What are the cheapest airlines to fly from United Kingdom to State of Washington one-way?

£409 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on WestJet and Icelandair, with prices starting from £412 and £438, respectively.

How far in advance should I book a flight from United Kingdom to State of Washington?

To save on the cost of your flight from United Kingdom to State of Washington, book at least 44 days before your planned departure. Booking around this time can save you about 37% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £605 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £833.

What is the cheapest month to fly from United Kingdom to State of Washington?

Flights from United Kingdom to State of Washington lean towards being more expensive in August. Prices are generally better when you fly from United Kingdom to State of Washington in January, with the cheapest ticket starting at £338.

Can I find deals for flights from United Kingdom to Washington that include hotel bookings?

Yes. In addition to deals on United Kingdom to Washington flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from United Kingdom to Washington?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Washington.

Can I find deals for business class flights from United Kingdom to Washington?

Yes. Cheapflights offers flight deals from United Kingdom to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£508+ Flights from the United Kingdom to Washington

Cheap flight deals from United Kingdom to Washington

Round-trip from	£459
One-way from	£379
Popular in	August
Cheapest in	January
Average price	£528
Good round-trip deal	£556 or less
Good one-way deal	£649 or less

Icelandair
15/4-24/4
2 total stops
48h 35m total
United Kingdom to Washington

Search Deals

5/5
3 total stops
38h 17m total
United Kingdom to Washington

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£85 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from United Kingdom to Washington.

Search Deals

Price to beat on a one-way flight from United Kingdom to Washington.

Search Deals

Find flight deals from United Kingdom to Washington

Cheapest flights from United Kingdom to Washington
Explore the most affordable flight options available from United Kingdom to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.

Tue 15/421:25LHR - SEA

1 stop31h 15mIcelandair

Thu 24/419:00SEA - LHR

1 stop17h 20mIcelandair

Deal found 30/3£459

Wed 16/415:40LGW - SEA

1 stop13h 00mIcelandair

Thu 24/419:00SEA - LGW

1 stop11h 40mIcelandair

Deal found 30/3£461

Mon 28/406:00LHR - SEA

2 stops24h 43mMultiple Airlines

Fri 23/518:50SEA - LHR

1 stop16h 50mMultiple Airlines

Deal found 29/3£461

Wed 21/506:40LHR - SEA

1 stop15h 10mScandinavian Airlines

Fri 6/616:00SEA - LHR

1 stop33h 20mScandinavian Airlines

Deal found 30/3£461

Thu 15/508:40LHR - SEA

2 stops18h 57mAir Canada

Thu 22/507:20SEA - LHR

1 stop18h 40mAir Canada

Deal found 30/3£462

Fri 2/506:30LHR - SEA

1 stop13h 55mLufthansa

Thu 8/510:00SEA - LHR

2 stops17h 50mLufthansa

Deal found 30/3£467

Thu 1/520:05LHR - SEA

2 stops30h 47mSWISS

Mon 12/514:40SEA - LHR

2 stops38h 20mSWISS

Deal found 30/3£468

Wed 21/507:05STN - SEA

1 stop14h 45mMultiple Airlines

Fri 6/616:00SEA - STN

1 stop15h 45mMultiple Airlines

Deal found 30/3£469

Tue 22/409:50LHR - SEA

1 stop15h 09mBritish Airways

Wed 30/420:20SEA - LHR

Nonstop9h 20mBritish Airways

Deal found 30/3£472

Mon 21/406:30LHR - SEA

1 stop13h 15mDelta

Mon 5/517:35SEA - LHR

Nonstop9h 45mDelta

Deal found 31/3£475

Mon 21/412:00LHR - SEA

1 stop17h 14mFinnair

Mon 5/517:40SEA - LHR

1 stop13h 30mFinnair

Deal found 30/3£476

Sun 27/420:55LHR - SEA

1 stop22h 50mKLM

Sun 4/517:35SEA - LHR

Nonstop9h 45mKLM

Deal found 30/3£479

Best flights from United Kingdom to Washington
Discover carefully curated flight deals from United Kingdom to Washington that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 March 2025.

Tue 15/421:25LHR - SEA

1 stop31h 15mIcelandair

Thu 24/419:00SEA - LHR

1 stop17h 20mIcelandair

Deal found 30/3£459

Mon 28/406:00LHR - SEA

2 stops24h 43mMultiple Airlines

Fri 23/518:50SEA - LHR

1 stop16h 50mMultiple Airlines

Deal found 29/3£461

Wed 21/506:40LHR - SEA

1 stop15h 10mScandinavian Airlines

Fri 6/616:00SEA - LHR

1 stop33h 20mScandinavian Airlines

Deal found 30/3£461

Thu 15/508:40LHR - SEA

2 stops18h 57mAir Canada

Thu 22/507:20SEA - LHR

1 stop18h 40mAir Canada

Deal found 30/3£462

Fri 2/506:30LHR - SEA

1 stop13h 55mLufthansa

Wed 7/510:00SEA - LHR

2 stops16h 00mLufthansa

Deal found 30/3£467

Thu 1/520:05LHR - SEA

2 stops30h 47mSWISS

Mon 12/514:40SEA - LHR

2 stops38h 20mSWISS

Deal found 30/3£468

Tue 22/409:50LHR - SEA

1 stop15h 09mBritish Airways

Wed 30/420:20SEA - LHR

Nonstop9h 20mBritish Airways

Deal found 30/3£472

Mon 21/406:30LHR - SEA

1 stop13h 15mDelta

Mon 5/517:35SEA - LHR

Nonstop9h 45mDelta

Deal found 31/3£475

Mon 21/412:00LHR - SEA

1 stop17h 14mFinnair

Mon 5/517:40SEA - LHR

1 stop13h 30mFinnair

Deal found 30/3£476

Sun 27/420:55LHR - SEA

1 stop22h 50mKLM

Sun 4/517:35SEA - LHR

Nonstop9h 45mKLM

Deal found 30/3£479

Tue 22/406:50LHR - SEA

2 stops23h 53mUnited Airlines

Wed 30/412:54SEA - LHR

1 stop15h 26mUnited Airlines

Deal found 30/3£480

Mon 21/413:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 5/517:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 31/3£483

Direct flights from United Kingdom to Washington
Explore direct flight options from United Kingdom to Washington based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 March 2025.

Tue 13/517:25LHR - SEA

Nonstop10h 15mKLM

Wed 21/520:20SEA - LHR

Nonstop9h 55mKLM

Deal found 31/3£464

Mon 21/413:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 5/517:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 30/3£480

Mon 21/413:25LHR - SEA

Nonstop10h 20mDelta

Mon 5/520:20SEA - LHR

Nonstop9h 55mDelta

Deal found 31/3£489

Mon 21/417:25LHR - SEA

Nonstop10h 20mMultiple Airlines

Mon 5/520:20SEA - LHR

Nonstop9h 55mMultiple Airlines

Deal found 30/3£499

Mon 21/416:30LHR - SEA

Nonstop9h 50mBritish Airways

Mon 5/513:30SEA - LHR

Nonstop9h 20mBritish Airways

Deal found 31/3£505

Mon 8/913:25LHR - SEA

Nonstop10h 20mAir France

Fri 26/917:35SEA - LHR

Nonstop9h 45mAir France

Deal found 30/3£512

Tue 26/809:25LHR - SEA

Nonstop9h 45mIberia

Thu 4/913:30SEA - LHR

Nonstop9h 20mIberia

Deal found 30/3£521

Tue 6/515:40LHR - PDX

Nonstop9h 55mBritish Airways

Tue 13/519:25PDX - LHR

Nonstop9h 35mBritish Airways

Deal found 30/3£554

Mon 21/409:50LHR - SEA

Nonstop9h 45mAmerican Airlines

Mon 5/520:20SEA - LHR

Nonstop9h 20mAmerican Airlines

Deal found 31/3£564

Mon 21/415:40LHR - PDX

Nonstop9h 55mFinnair

Mon 5/519:25PDX - LHR

Nonstop9h 35mFinnair

Deal found 30/3£566

Mon 28/415:40LHR - PDX

Nonstop9h 55mMultiple Airlines

Mon 5/519:25PDX - LHR

Nonstop9h 35mMultiple Airlines

Deal found 30/3£573

Mon 5/515:40LHR - PDX

Nonstop9h 55mIberia

Mon 12/519:25PDX - LHR

Nonstop9h 35mIberia

Deal found 30/3£579

Last-minute flights from United Kingdom to Washington
Discover last-minute flight deals from United Kingdom to Washington. Data last updated 31 March 2025 and is based on user searches.

Mon 7/416:15LHR - SEA

2 stops29h 44mUnited Airlines

Tue 22/407:08SEA - LHR

2 stops39h 12mUnited Airlines

Deal found 31/3£540

Mon 7/421:25LHR - SEA

1 stop28h 25mIcelandair

Tue 22/419:00SEA - LHR

1 stop17h 20mIcelandair

Deal found 30/3£686

Tue 8/414:05LHR - SEA

2 stops32h 18mAir Canada

Tue 22/419:05SEA - LHR

1 stop34h 15mAir Canada

Deal found 30/3£536

Tue 8/406:20LHR - SEA

1 stop18h 39mBritish Airways

Sat 12/413:35SEA - LHR

1 stop33h 15mBritish Airways

Deal found 31/3£593

Tue 8/409:25LHR - SEA

Nonstop9h 45mMultiple Airlines

Sat 12/413:35SEA - LHR

1 stop33h 15mMultiple Airlines

Deal found 31/3£601

Tue 8/409:55LHR - SEA

1 stop14h 05mKLM

Tue 22/420:20SEA - LHR

Nonstop9h 55mKLM

Deal found 31/3£676

Tue 8/413:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Tue 22/417:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 30/3£678

Tue 8/408:40LHR - PDX

1 stop34h 40mDelta

Mon 14/405:10PDX - LHR

2 stops17h 35mDelta

Deal found 30/3£686

Tue 8/415:40LHR - PDX

Nonstop9h 55mAmerican Airlines

Wed 16/411:57PDX - LHR

1 stop14h 53mAmerican Airlines

Deal found 30/3£693

Tue 8/406:45LCY - SEA

1 stop18h 14mBritish Airways

Tue 22/418:45SEA - LCY

1 stop15h 35mBritish Airways

Deal found 31/3£707

Wed 9/414:05LHR - PDX

2 stops32h 40mAir Canada

Mon 14/415:25PDX - LHR

2 stops36h 25mAir Canada

Deal found 30/3£683

Thu 10/412:15LHR - PDX

1 stop15h 59mUnited Airlines

Wed 16/409:55PDX - LHR

1 stop13h 30mUnited Airlines

Deal found 30/3£687

One-way flights from United Kingdom to Washington
Search for one-way flight options from United Kingdom to Washington. Find affordable one-way fares based on user searches. Data last updated 31 March 2025.

Mon 5/507:20LHR - PDX

3 stops38h 17mMultiple Airlines

Deal found 30/3£379

Sun 25/510:55LGW - PDX

2 stops27h 37mMultiple Airlines

Deal found 30/3£387

Wed 23/409:50LHR - SEA

1 stop15h 09mAer Lingus

Deal found 31/3£409

Sun 15/614:10LHR - SEA

1 stop30h 48mWestJet

Deal found 30/3£412

Mon 15/910:45LGW - SEA

3 stops34h 14mWestJet

Deal found 31/3£413

Sat 3/514:10LHR - PDX

1 stop30h 42mWestJet

Deal found 30/3£414

Mon 2/621:25LHR - SEA

2 stops23h 33mMultiple Airlines

Deal found 30/3£414

Sun 29/619:55LGW - SEA

3 stops25h 03mMultiple Airlines

Deal found 31/3£415

Tue 3/609:05LCY - SEA

2 stops19h 23mMultiple Airlines

Deal found 30/3£415

Sun 20/706:50LTN - SEA

2 stops43h 48mMultiple Airlines

Deal found 30/3£417

Sun 6/417:45STN - SEA

3 stops33h 16mMultiple Airlines

Deal found 31/3£420

Tue 19/815:40LGW - SEA

1 stop13h 00mIcelandair

Deal found 30/3£438

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 15/4

21:25-20:40

1 stop31h 15m

Seattle/Tacoma Intl

Thu 24/4

19:00-20:20

1 stop17h 20m

£459

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 28/4

06:00-22:43

2 stops24h 43m

Seattle/Tacoma Intl

Fri 23/5

18:50-19:40

1 stop16h 50m

£461

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 16/4

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Thu 24/4

19:00-14:40

1 stop11h 40m

£461

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 21/5

06:40-13:50

1 stop15h 10m

Seattle/Tacoma Intl

Fri 6/6

16:00-09:20

1 stop33h 20m

£461

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 15/5

08:40-19:37

2 stops18h 57m

Seattle/Tacoma Intl

Thu 22/5

07:20-10:00

1 stop18h 40m

£462

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 2/5

06:30-12:25

1 stop13h 55m

Seattle/Tacoma Intl

Thu 8/5

12:55-10:40

1 stop13h 45m

£467

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 1/5

20:05-18:52

2 stops30h 47m

Seattle/Tacoma Intl

Mon 12/5

14:40-13:00

2 stops38h 20m

£468

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 21/5

07:05-13:50

1 stop14h 45m

Seattle/Tacoma Intl

Fri 6/6

16:00-15:45

1 stop15h 45m

£469

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 22/4

09:50-16:59

1 stop15h 09m

Seattle/Tacoma Intl

Wed 30/4

20:20-13:40

Nonstop9h 20m

£472

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 21/4

06:30-11:45

1 stop13h 15m

Seattle/Tacoma Intl

Mon 5/5

17:35-11:20

Nonstop9h 45m

£475

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 60 results

...

Best time to book a flight from United Kingdom to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from United Kingdom with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Washington

What is the cheapest month to book a flight from United Kingdom to State of Washington?

Currently, January is the cheapest month in which you can book a flight from United Kingdom to State of Washington (average of £622). Flying from United Kingdom to State of Washington in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to WA?

When flying from United Kingdom to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to State of Washington

The most flights from GB0 to USWA are scheduled on a Monday (21 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Washington by month

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

Temperature in Washington by month

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Washington

See what other customers who have flown with Emirates, Delta and Alaska Airlines from United Kingdom to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Emirates

8.0

Very Good

3,192 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Emirates

8.0

Very Good

3,192 reviews

Emirates

8.0

Very Good

3,192 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

Delta

8.0

Very Good

7,899 reviews

Emirates

8.0

Very Good

3,192 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

Alaska Airlines

8.0

Very Good

9,818 reviews

Emirates

8.0

Very Good

3,192 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

KLM

7.8

Good

1,321 reviews

Emirates

8.0

Very Good

3,192 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

Finnair

7.6

Good

1,267 reviews

Emirates

8.0

Very Good

3,192 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

Related info for your journey

What are the cheapest airlines to fly from United Kingdom to State of Washington one-way?
£409 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on WestJet and Icelandair, with prices starting from £412 and £438, respectively.
Can I find deals for flights from United Kingdom to Washington that include hotel bookings?
Yes. In addition to deals on United Kingdom to Washington flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Washington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Washington.
Can I find deals for business class flights from United Kingdom to Washington?
Yes. Cheapflights offers flight deals from United Kingdom to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from United Kingdom to State of Washington?
Currently, January is the cheapest month in which you can book a flight from United Kingdom to State of Washington (average of £622). Flying from United Kingdom to State of Washington in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for United Kingdom to Washington

Heathrow to John F Kennedy Intl flights

Heathrow to Newark flights

Gatwick to John F Kennedy Intl flights

Heathrow to LaGuardia flights

London City to John F Kennedy Intl flights

Gatwick to Newark flights

London City to Newark flights

Stansted to Stewart flights

Heathrow to Orlando flights

Heathrow to Miami flights

Heathrow to Los Angeles flights

Heathrow to Boston flights

Gatwick to LaGuardia flights

Stansted to John F Kennedy Intl flights

Manchester to Orlando flights

Heathrow to San Francisco flights

Heathrow to O'Hare Intl flights

Heathrow to Las Vegas flights

Heathrow to Dulles Intl flights

Heathrow to Seattle flights

Gatwick to Orlando flights

Manchester to John F Kennedy Intl flights

Luton to John F Kennedy Intl flights

Heathrow to Dallas/Fort Worth flights

Heathrow to Atlanta flights

Stansted to Newark flights

Heathrow to Baltimore flights

Heathrow to Hobby flights

London City to Los Angeles flights

Gatwick to Boston flights

London City to Miami flights

Gatwick to Miami flights

Gatwick to Los Angeles flights

Heathrow to George Bush Intcntl flights

London City to Orlando flights

Gatwick to Stewart flights

Manchester to Newark flights

London City to Boston flights

Heathrow to Nashville flights

Manchester to LaGuardia flights

Luton to Newark flights

Heathrow to Denver flights

Heathrow to Raleigh flights

Heathrow to Tampa flights

Gatwick to San Francisco flights

London City to San Francisco flights

Luton to Stewart flights

Stansted to Boston flights

Heathrow to San Diego flights

Heathrow to Charlotte flights

Complete your trip

State of Washington car hire

Seattle/Tacoma Intl Airport car hire

Spokane Airport car hire

Wenatchee Pangborn Field Airport car hire

Pasco Tri Cities Airport car hire

Bellingham Airport car hire

Pullman Moscow Regional Airport car hire

Yakima Air Terminal Airport car hire

Walla Walla Airport car hire

Kenmore Air Harbor Airport car hire

Seattle car hire

Bellingham car hire

Direct flights to United States

Find a return flight route from Washington

Seattle to Heathrow flights

Portland to Heathrow flights

Seattle to Gatwick flights

Seattle to London City flights

Portland to Gatwick flights

Seattle to Edinburgh flights

Seattle to Glasgow Intl flights

Portland to Edinburgh flights

Spokane to Edinburgh flights

Spokane to Heathrow flights

Seattle to Manchester flights

Portland to Glasgow Intl flights

Spokane to Glasgow Intl flights

Portland to Stansted flights

Spokane to Gatwick flights

Portland to Manchester flights

Seattle to Aberdeen flights

Portland to Luton flights

Seattle to Bristol flights

Spokane to Manchester flights

Seattle to Liverpool flights

Seattle to Newcastle upon Tyne flights

Portland to Belfast City flights

Portland to Belfast Intl flights

Seattle to Inverness flights

Seattle to Leeds flights

Seattle to Birmingham flights

Portland to Aberdeen flights

Seattle to Belfast City flights

Spokane to Southampton flights

Portland to Bristol flights

Portland to Leeds flights

Bellingham to Gatwick flights

Portland to Southend flights

United Kingdom to Washington flights

Gatwick to Seattle flights

London City to Seattle flights

Heathrow to Portland flights

Manchester to Seattle flights

Stansted to Seattle flights

Gatwick to Portland flights

London City to Portland flights

Luton to Seattle flights

Heathrow to Spokane flights

Edinburgh to Seattle flights

Manchester to Portland flights

Stansted to Portland flights

Belfast Intl to Seattle flights

Belfast City to Seattle flights

Edinburgh to Portland flights

Luton to Portland flights

Glasgow Intl to Seattle flights

Bristol to Seattle flights

Newcastle upon Tyne to Seattle flights

Birmingham to Spokane flights

Gatwick to Spokane flights

Glasgow Intl to Portland flights

London City to Spokane flights

Birmingham to Seattle flights

Grimsby to Portland flights

Leeds to Seattle flights

Heathrow to Pasco flights

Heathrow to Bellingham flights

Leeds to Portland flights

Manchester to Spokane flights

Edinburgh to Pasco flights

Bristol to Portland flights

Birmingham to Portland flights

Newquay to Seattle flights

Southampton to Seattle flights

Southend to Seattle flights

Top 10 airlines flying from United Kingdom to Washington

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£8	Average£818	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Icelandair	Cheapest£338	Average£644	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Air France	Cheapest£400	Average£638	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Lufthansa	Cheapest£410	Average£613	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£414	Average£693	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	Cheapest£422	Average£710	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Finnair	Cheapest£430	Average£629	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
British Airways	Cheapest£451	Average£839	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Delta	Cheapest£461	Average£804	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Virgin Atlantic	Cheapest£463	Average£718	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to Washington?

Cheapflights helps you search for flights from United Kingdom to Washington via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Washington?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Washington.

Can Cheapflights find flights from United Kingdom to Washington with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from United Kingdom to Washington flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from United Kingdom to Washington become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from the United Kingdom to Washington from £379

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Washington

Keep the following information in mind while searching for United Kingdom to Washington flight deals. Data was last updated 31 March 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from United Kingdom to Washington

Cheapest flights from United Kingdom to WashingtonExplore the most affordable flight options available from United Kingdom to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.

Explore the most affordable flight options available from United Kingdom to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Washington that are best for you.

Best time to book a flight from United Kingdom to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from United Kingdom with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Washington

What is the cheapest month to book a flight from United Kingdom to State of Washington?

What is the cheapest time of day to fly from GB to WA?

Find hourly flight availability from United Kingdom to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 March 2025.

Weekly flight availability from United Kingdom to State of Washington

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington

See what other customers who have flown with Emirates, Delta and Alaska Airlines from United Kingdom to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from United Kingdom to State of Washington one-way?

Can I find deals for flights from United Kingdom to Washington that include hotel bookings?

How can I find direct flights from United Kingdom to Washington?

Can I find deals for business class flights from United Kingdom to Washington?

What is the cheapest month to book a flight from United Kingdom to State of Washington?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from United Kingdom to Washington

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Washington?

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Washington?

Can Cheapflights find flights from United Kingdom to Washington with no change fees?

Can Cheapflights notify me if prices for flights from United Kingdom to Washington become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from United Kingdom to Washington
Explore the most affordable flight options available from United Kingdom to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.