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Cheap flights from London to Washington from £235

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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SEA
20 Kas — 27 Kas1
1 adult

Cheap flight deals from London to Washington

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Washington (USWA). 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 15 Kasım 2024.

Find flight deals from London to Washington

Cheapest flights from London to Washington
Explore the most affordable flight options available from London to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 Kasım 2024.

Per 5/1212:00LGW - SEA
1 stop28h 57mMultiple Airlines
Pzt 9/1221:21SEA - LGW
1 stop29h 14mMultiple Airlines
Deal found 14/11£485
Per 5/1220:40LHR - SEA
1 stop28h 20mIcelandair
Pzt 9/1214:35SEA - LHR
1 stop20h 55mIcelandair
Deal found 14/11£487
Cmt 23/1113:45LHR - SEA
1 stop37h 28mUnited Airlines
Pzt 25/1106:05SEA - LHR
1 stop21h 45mUnited Airlines
Deal found 15/11£498
Çar 4/1211:55LGW - SEA
1 stop13h 05mIcelandair
Çar 11/1214:35SEA - LGW
1 stop12h 20mIcelandair
Deal found 13/11£507
Per 5/1206:30STN - SEA
2 stops34h 50mMultiple Airlines
Pzt 9/1220:00SEA - STN
1 stop16h 40mMultiple Airlines
Deal found 14/11£517
Çar 4/1206:30LHR - SEA
1 stop13h 40mMultiple Airlines
Çar 12/310:55SEA - LHR
1 stop14h 00mMultiple Airlines
Deal found 15/11£529
Pzt 9/1211:10LHR - SEA
1 stop34h 10mLufthansa
Sal 24/1210:35SEA - LHR
1 stop15h 35mLufthansa
Deal found 15/11£532
Sal 10/1213:15LHR - SEA
Nonstop10h 00mVirgin Atlantic
Sal 17/1209:30SEA - LHR
1 stop16h 30mVirgin Atlantic
Deal found 14/11£543
Çar 4/1206:20LHR - SEA
1 stop13h 49mDelta
Çar 12/318:45SEA - LHR
Nonstop9h 25mDelta
Deal found 14/11£550
Sal 10/1213:15LHR - SEA
Nonstop10h 00mKLM
Sal 17/1209:30SEA - LHR
1 stop16h 30mKLM
Deal found 15/11£552
Per 5/1206:40LHR - PDX
2 stops21h 07mMultiple Airlines
Paz 8/1207:03PDX - LHR
2 stops27h 27mMultiple Airlines
Deal found 15/11£554
Per 5/1206:40LHR - PDX
2 stops25h 15mScandinavian Airlines
Çar 11/1213:02PDX - LHR
2 stops18h 58mScandinavian Airlines
Deal found 14/11£560

Find flights from London to Washington within your budget

Customise your flight search to find flights from London to Washington 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 943,810 searches. Data last updated 15 Kasım 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Cum 7/2

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Per 6/3

14:35-10:55

1 stop12h 20m

£479

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Per 5/12

12:00-08:57

1 stop28h 57m

Seattle/Tacoma Intl

Pzt 9/12

21:21-10:35

1 stop29h 14m

£485

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Per 6/2

08:25-14:09

1 stop37h 44m

Seattle/Tacoma Intl

Per 20/2

23:17-05:55

1 stop22h 38m

£485

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sal 25/2

13:15-15:15

Nonstop10h 00m

Seattle/Tacoma Intl

Sal 4/3

17:45-11:10

Nonstop9h 25m

£488

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Çar 7/5

10:20-16:00

1 stop13h 40m

Seattle/Tacoma Intl

Cmt 17/5

17:40-12:10

1 stop34h 30m

£494

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Çar 7/5

09:30-16:00

1 stop14h 30m

Seattle/Tacoma Intl

Cmt 17/5

17:40-15:10

1 stop13h 30m

£508

LondonSeattle

STN - SEA

STNSEA

London Stansted

Per 5/12

06:30-09:20

2 stops34h 50m

Seattle/Tacoma Intl

Pzt 9/12

20:00-20:40

1 stop16h 40m

£517

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Çar 15/1

06:30-11:50

1 stop13h 20m

Seattle/Tacoma Intl

Sal 21/1

17:45-11:10

Nonstop9h 25m

£518

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Pzt 13/1

13:00-22:00

1 stop17h 00m

Seattle/Tacoma Intl

Paz 26/1

23:59-05:55

2 stops21h 56m

£519

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Çar 4/12

06:30-12:10

1 stop13h 40m

Seattle/Tacoma Intl

Çar 12/3

10:55-07:55

1 stop14h 00m

£529

Flights are sorted by cheapest first

Deals found on 14/11

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

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

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

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

Currently, January is the cheapest month in which you can book a flight from London to State of Washington (average of £616). Flying from London to State of Washington in July is currently the most expensive (average of £841). 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 LON to WA?

Find hourly flight availability from London 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 15 Kasım 2024.

When flying from London 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 London to State of Washington

Explore weekly flight availability from London to Washington. 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 15 Kasım 2024.

The most flights from LON to USWA are scheduled on a Wednesday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Washington by month

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

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

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated 15 Kasım 2024.
See what other customers who have flown with Icelandair, Virgin Atlantic and Finnair from London to Washington have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
528 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.4

Entertainment

7.6

Reviews

1 / 10

The crew was great, the seats were comfy but in need of better lumbar support. I was disappointed in the movie selection. No classics, a lot of sci-fi/fantasy that hold no interest for me. All in all, B+ rating.

8.1
Very Good
528 reviews
8.1
Very Good
528 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.4

Entertainment

7.6

Reviews

1 / 10

The crew was great, the seats were comfy but in need of better lumbar support. I was disappointed in the movie selection. No classics, a lot of sci-fi/fantasy that hold no interest for me. All in all, B+ rating.

8.0
Very Good
8,786 reviews
8.1
Very Good
528 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.4

Entertainment

7.6

Reviews

1 / 10

The crew was great, the seats were comfy but in need of better lumbar support. I was disappointed in the movie selection. No classics, a lot of sci-fi/fantasy that hold no interest for me. All in all, B+ rating.

7.8
Good
1,350 reviews
8.1
Very Good
528 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.4

Entertainment

7.6

Reviews

1 / 10

The crew was great, the seats were comfy but in need of better lumbar support. I was disappointed in the movie selection. No classics, a lot of sci-fi/fantasy that hold no interest for me. All in all, B+ rating.

7.7
Good
1,304 reviews
8.1
Very Good
528 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.4

Entertainment

7.6

Reviews

1 / 10

The crew was great, the seats were comfy but in need of better lumbar support. I was disappointed in the movie selection. No classics, a lot of sci-fi/fantasy that hold no interest for me. All in all, B+ rating.

7.6
Good
1,175 reviews
8.1
Very Good
528 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.4

Entertainment

7.6

Reviews

1 / 10

The crew was great, the seats were comfy but in need of better lumbar support. I was disappointed in the movie selection. No classics, a lot of sci-fi/fantasy that hold no interest for me. All in all, B+ rating.

Related info for your journey

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £284. Icelandair flights start at £360 while deals on Aer Lingus start at £408 one-way.

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

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

    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 London to State of Washington on time: Air France (69%), Delta (69%), Virgin Atlantic (69%).

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

    On average you can expect to pay £2,000 for a flight from London to State of Washington. The cheapest flight overall is £525 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £427.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from London to State of Washington (average of £616). Flying from London to State of Washington in July is currently the most expensive (average of £841). 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 London to Washington

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

Top 10 airlines flying from London to Washington

Discover the top 10 airlines that operate flights from London to Washington. 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 943,810 searches. Data last updated 15 Kasım 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£8Average£686FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£306Average£928FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest£318Average£592FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
IcelandairCheapest£388Average£561FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£406Average£596FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£419Average£662FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£435Average£558FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£443Average£837FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£449Average£713FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£471Average£622FlexibilityNo cancel feeOn-time77%
Search Air France 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 London to Washington?

Deals for London to Washington flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from London to Washington by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from London to Washington with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for London to Washington flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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