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$177+ Cheap flights from Washington to London (LON)

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LON
Nov 19 — Nov 261
1 adult
Tue 11/19
Tue 11/26
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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 November 14, 2024.

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 November 14, 2024.

This oojo deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/32:35 pmPDX - LHR
1 stop20h 55mIcelandair
Tue 12/108:40 pmLHR - PDX
1 stop28h 10mIcelandair
Deal found 11/13$592
This Mytrip deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/32:35 pmPDX - LHR
2 stops22h 25mMultiple Airlines
Wed 12/117:50 amLHR - PDX
2 stops17h 00mMultiple Airlines
Deal found 11/13$596
This Gotogate deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/32:35 pmSEA - LGW
1 stop12h 20mIcelandair
Tue 12/1011:55 amLGW - SEA
1 stop13h 05mIcelandair
Deal found 11/13$598
This Gotogate deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/22:35 pmSEA - LHR
1 stop12h 15mIcelandair
Sat 12/712:15 pmLHR - SEA
1 stop12h 45mIcelandair
Deal found 11/13$599
This Kiwi.com deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/35:45 amSEA - LGW
2 stops20h 50mMultiple Airlines
Tue 12/1012:00 pmLGW - SEA
1 stop34h 53mMultiple Airlines
Deal found 11/13$600
This Mytrip deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/18:00 pmSEA - LHR
1 stop17h 00mAer Lingus
Sun 12/87:50 amLHR - SEA
1 stop18h 25mAer Lingus
Deal found 11/13$610
This oojo deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/52:35 pmPDX - LGW
1 stop12h 20mIcelandair
Sun 12/811:55 amLGW - PDX
1 stop12h 55mIcelandair
Deal found 11/13$611
This Kiwi.com deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/35:45 amPDX - LGW
1 stop20h 50mMultiple Airlines
Thu 12/1212:00 pmLGW - PDX
1 stop19h 48mMultiple Airlines
Deal found 11/14$621
This Kiwi.com deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/28:00 pmSEA - LHR
1 stop17h 50mMultiple Airlines
Sun 12/88:25 amLHR - SEA
1 stop17h 50mMultiple Airlines
Deal found 11/14$622
This lol.travel deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:45 pmSEA - LHR
Nonstop9h 25mVirgin Atlantic
Tue 1/146:20 amLHR - SEA
1 stop13h 00mVirgin Atlantic
Deal found 11/13$623
This Gotogate deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:45 amSEA - LHR
2 stops19h 35mAir Canada
Tue 1/146:00 pmLHR - SEA
2 stops28h 30mAir Canada
Deal found 11/13$625
This United Airlines deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/410:10 amPDX - LHR
1 stop16h 00mUnited Airlines
Wed 12/113:00 pmLHR - PDX
2 stops37h 12mUnited Airlines
Deal found 11/13$647

Find flights from Washington to London within your budget

Customize 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 2,752,363 searches. Data last updated November 14, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 1/14

7:35 am-10:35 am

2 stops19h 00m

London Gatwick

Sun 1/26

12:00 pm-9:21 am

1 stop29h 21m

$591

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 12/3

2:35 pm-7:30 pm

1 stop20h 55m

London Heathrow

Tue 12/10

8:40 pm-4:50 pm

1 stop28h 10m

$592

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 12/3

2:25 pm-9:00 pm

2 stops22h 35m

London Heathrow

Wed 12/11

7:50 am-4:50 pm

2 stops17h 00m

$596

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 12/3

2:35 pm-10:55 am

1 stop12h 20m

London Gatwick

Tue 12/10

11:55 am-5:00 pm

1 stop13h 05m

$598

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 3/23

3:35 pm-7:30 pm

1 stop20h 55m

London Heathrow

Mon 4/7

9:25 pm-5:40 pm

1 stop28h 15m

$598

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 12/1

8:00 pm-9:00 pm

1 stop17h 00m

London Heathrow

Sun 12/8

7:50 am-6:15 pm

1 stop18h 25m

$610

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 12/3

5:45 am-10:35 am

2 stops20h 50m

London Gatwick

Tue 12/10

12:00 pm-12:10 am

2 stops20h 10m

$610

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 12/29

5:45 pm-11:10 am

Nonstop9h 25m

London Heathrow

Tue 1/14

6:20 am-11:20 am

1 stop13h 00m

$623

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 12/29

5:45 am-9:20 am

2 stops19h 35m

London Heathrow

Tue 1/14

6:00 pm-2:30 pm

2 stops28h 30m

$625

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 4/8

7:40 pm-1:00 pm

Nonstop9h 20m

London Heathrow

Wed 5/14

9:30 am-4:00 pm

1 stop14h 30m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

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 round-trip 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, November is the cheapest month in which you can book a flight from State of Washington to London (average of $648). Flying from State of Washington to London in June is currently the most expensive (average of $1,089). 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 November 14, 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 November 14, 2024.

The most flights from USWA to LON are scheduled on a Wednesday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 November 14, 2024.
Peruse reviews from past customers who have flown with Aer Lingus, WestJet and United 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
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

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
8,788 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,346 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,304 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,640 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

Virgin Atlantic
7.6
Good
663 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

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?

    One-way options have recently been found by users for as low as $208 on WestJet. Other airlines that offer cheap prices include Icelandair from $214 and Scandinavian Airlines from $380 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?

    No one likes to see their flight delayed. When booking a flight from State of Washington to London consider choosing KLM (84%), Air France (77%) or Delta (77%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from State of Washington to London is $440. On average you can expect to pay $1,781. The most popular route, (Seattle/Tacoma Intl - London Heathrow), can usually be booked for $517.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from State of Washington to London (average of $648). Flying from State of Washington to London in June is currently the most expensive (average of $1,089). 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.

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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 10 airlines flying from Washington to London

Discover the top 10 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 2,752,363 searches. Data last updated November 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$384Average$677FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$498Average$849FlexibilityNo cancel feeOn-time76%
FinnairCheapest$560Average$725FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$572Average$859FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$575Average$926FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$579Average$822FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$579Average$741FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$587Average$893FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$588Average$885FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$590Average$798FlexibilityNo cancel feeOn-time70%
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