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Cheap flights from Washington to London from £180

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LON
27 Dec — 3 Jan1
1 adult

Cheap flight deals from Washington to London

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 December 2024.

Round-trip from

£468

One-way from

£180
13/1-28/1
  • 13/1-28/1
  • 3 total stops
  • 48h 56m total
  • Washington to London
Search Deals
30/1
  • 30/1
  • 2 total stops
  • 59h 20m total
  • Washington to London
Search Deals

Find flight deals from Washington to London

Cheapest flights from Washington to London
Explore the most affordable flight options available from Washington to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 December 2024.

Tue 31/1211:49SEA - LGW
1 stop14h 46mMultiple Airlines
Wed 22/119:25LGW - SEA
2 stops50h 56mMultiple Airlines
Deal found 22/12£597
Tue 31/1214:35SEA - LHR
1 stop20h 55mIcelandair
Wed 22/120:40LHR - SEA
1 stop28h 20mIcelandair
Deal found 22/12£636
Tue 31/1214:35SEA - LGW
1 stop12h 20mIcelandair
Wed 22/111:55LGW - SEA
1 stop13h 05mIcelandair
Deal found 22/12£643
Mon 30/1210:35SEA - LHR
1 stop15h 35mLufthansa
Fri 10/106:30LHR - SEA
1 stop13h 40mLufthansa
Deal found 21/12£651
Mon 30/1205:45SEA - LHR
1 stop20h 25mAir Canada
Thu 9/113:00LHR - SEA
1 stop17h 00mAir Canada
Deal found 21/12£663
Mon 30/1218:50SEA - LHR
Nonstop9h 25mIberia
Wed 22/115:00LHR - SEA
Nonstop9h 55mIberia
Deal found 22/12£664
Mon 30/1217:45SEA - LHR
Nonstop9h 25mDelta
Wed 22/106:30LHR - SEA
1 stop13h 21mDelta
Deal found 22/12£678
Tue 31/1210:35SEA - LHR
2 stops18h 25mMultiple Airlines
Thu 9/114:30LHR - SEA
2 stops27h 20mMultiple Airlines
Deal found 21/12£684
Sat 28/1219:05PDX - LHR
1 stop31h 05mUnited Airlines
Wed 8/115:00LHR - PDX
2 stops35h 43mUnited Airlines
Deal found 20/12£730
Sat 28/1215:25PDX - LHR
1 stop34h 45mAir Canada
Tue 7/113:00LHR - PDX
1 stop28h 34mAir Canada
Deal found 21/12£737
Sun 29/1212:46PDX - LHR
1 stop14h 24mDelta
Mon 6/110:00LHR - PDX
1 stop33h 25mDelta
Deal found 21/12£778
Thu 26/1210:10PDX - LHR
1 stop16h 00mLufthansa
Sun 19/106:30LHR - PDX
2 stops19h 54mLufthansa
Deal found 21/12£791

Find flights from Washington to London within your budget

Customise your flight search to find flights from Washington to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 13/1

17:23-06:00

2 stops28h 37m

London Gatwick

Tue 28/1

12:00-00:19

1 stop20h 19m

£468

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 22/4

15:45-14:40

1 stop14h 55m

London Gatwick

Fri 2/5

15:40-20:40

1 stop13h 00m

£472

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 4/2

15:15-12:50

1 stop13h 35m

London Heathrow

Tue 11/2

14:50-14:21

1 stop31h 31m

£473

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Mon 13/1

14:35-19:30

1 stop20h 55m

London Heathrow

Tue 28/1

20:40-17:00

1 stop28h 20m

£474

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 19/2

15:15-12:50

1 stop13h 35m

London Heathrow

Tue 25/2

19:25-14:21

2 stops50h 56m

£484

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 22/1

14:35-14:50

2 stops16h 15m

London Stansted

Thu 30/1

08:15-17:00

2 stops16h 45m

£492

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 4/2

07:10-09:20

2 stops18h 10m

London Heathrow

Tue 11/2

06:40-22:21

2 stops23h 41m

£512

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 8/1

19:00-09:20

1 stop30h 20m

London Gatwick

Mon 27/1

06:00-17:05

1 stop19h 05m

£520

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 16/2

18:30-12:10

Nonstop9h 40m

London Heathrow

Tue 25/2

14:20-16:35

Nonstop10h 15m

£522

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 21/1

10:10-10:10

1 stop16h 00m

London Heathrow

Tue 11/2

06:30-18:43

2 stops20h 13m

£523

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 60 results
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Best time to book a flight from Washington to London

Have a flexible travel schedule? Discover the best time to fly to London from Washington 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.

Travel insights for flights from Washington to London

Get recent, data-driven insights about flights from Washington to London including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from State of Washington to London (average of £112). Flying from State of Washington to London in July is currently the most expensive (average of £160). 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 WA to LON?

Find hourly flight availability from Washington to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 December 2024.

When flying from State of Washington to London, 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 State of Washington to London

Explore weekly flight availability from Washington to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 December 2024.

The most flights from USWA to LON are scheduled on a Friday (21 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 22 December 2024.
Peruse reviews from past customers who have flown with Air Canada, Virgin Atlantic and Alaska Airlines from Washington to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,594 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Alaska Airlines
8.0
Very Good
9,537 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,283 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.6
Good
1,605 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Washington to London. 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 State of Washington to London one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £214. Icelandair flights start at £215 while deals on Lufthansa start at £274 one-way.

  • What are the most popular routes from State of Washington to London?

    The most popular route from State of Washington to London is Seattle/Tacoma Intl - London Heathrow. You may also consider Seattle/Tacoma Intl - London Gatwick or Seattle/Tacoma Intl - London City.

  • What are the most reliable airlines from State of Washington to London?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from State of Washington to London on time: KLM (89%), Singapore Airlines (86%), Air France (84%).

  • What are the cheapest flights from State of Washington to London?

    On average you can expect to pay £994 for a flight from State of Washington to London. The cheapest flight overall is £308 while the most popular route, (Seattle/Tacoma Intl - London Heathrow) is currently priced at £430.

  • Can I find deals for flights from Washington to London that include hotel bookings?

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

  • How can I find direct flights from Washington to London?

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

  • Can I find deals for business class flights from Washington to London?

    Yes. Cheapflights offers flight deals from Washington to London 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 State of Washington to London?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to London (average of £112). Flying from State of Washington to London in July is currently the most expensive (average of £160). 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

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Alternative routes for Washington to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Washington to London

Discover the top 4 airlines that operate flights from Washington to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 December 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£439Average£504FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£459Average£546FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£478Average£688FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£492Average£833FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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 Washington to London?

When you search for this flight from Washington to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Washington to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Washington to London with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Washington today and book when prices fit your budget.

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