London

$227+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LON
dic. 23 — dic. 301
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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 diciembre 18, 2024.

Round-trip from

$597
(Gotogate)

One-way from

$227
(Kiwi.com)
From Washington to London (LON)
One-way flight from Washington to London (LON)

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 diciembre 18, 2024.

This Expedia deal was found by Cheapflights users on 12/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/3110:35 amSEA - LHR
1 stop15h 35mLufthansa
jue. 1/91:25 pmLHR - SEA
2 stops28h 25mLufthansa
Deal found 12/18$834
This Air Canada deal was found by Cheapflights users on 12/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/3110:35 amSEA - LHR
1 stop15h 35mAir Canada
jue. 1/911:10 amLHR - SEA
1 stop18h 20mAir Canada
Deal found 12/18$840
This United Airlines deal was found by Cheapflights users on 12/17. 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.
mar. 12/3110:35 amSEA - LHR
1 stop15h 35mUnited Airlines
jue. 1/91:00 pmLHR - SEA
1 stop17h 00mUnited Airlines
Deal found 12/17$842
This Kiwi.com deal was found by Cheapflights users on 12/18. 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.
mar. 12/3111:49 amSEA - LGW
1 stop14h 46mMultiple Airlines
jue. 1/912:00 pmLGW - SEA
1 stop28h 57mMultiple Airlines
Deal found 12/18$870
This KLM deal was found by Cheapflights users on 12/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/3010:18 amPDX - LHR
1 stop15h 42mKLM
lun. 1/68:25 pmLHR - PDX
1 stop23h 00mKLM
Deal found 12/17$920
This Virgin Atlantic deal was found by Cheapflights users on 12/18. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/315:45 pmSEA - LHR
Nonstop9h 25mVirgin Atlantic
jue. 1/912:40 pmLHR - SEA
Nonstop10h 00mVirgin Atlantic
Deal found 12/18$930
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/177:03 amPDX - LHR
1 stop16h 12mDelta
mar. 12/246:20 amLHR - PDX
2 stops18h 08mDelta
Deal found 12/16$934
This United Airlines deal was found by Cheapflights users on 12/16. 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.
mar. 12/175:00 amPDX - LHR
2 stops23h 45mUnited Airlines
mar. 12/243:00 pmLHR - PDX
2 stops37h 49mUnited Airlines
Deal found 12/16$938
This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/247:15 pmSEA - LHR
1 stop30h 55mMultiple Airlines
vie. 1/316:30 amLHR - SEA
2 stops20h 00mMultiple Airlines
Deal found 12/17$944
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/171:25 pmPDX - LCY
1 stop12h 05mDelta
mar. 12/247:45 amLCY - PDX
2 stops20h 36mDelta
Deal found 12/16$980
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/305:45 pmSEA - LHR
Nonstop9h 25mDelta
mié. 1/83:50 pmLHR - SEA
Nonstop10h 30mDelta
Deal found 12/17$980
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2610:10 amPDX - LHR
1 stop16h 00mLufthansa
dom. 1/196:30 amLHR - PDX
2 stops19h 54mLufthansa
Deal found 12/17$1,002

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 2,558,603 searches. Data last updated diciembre 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

jue. 1/23

2:35 pm-11:05 pm

2 stops24h 30m

London Luton

jue. 1/30

9:00 am-5:00 pm

2 stops16h 00m

$595

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

mié. 2/12

3:15 pm-12:50 pm

1 stop13h 35m

London Heathrow

lun. 2/24

2:50 pm-2:21 pm

1 stop31h 31m

$597

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

mié. 4/30

3:45 pm-11:45 am

1 stop12h 00m

London Gatwick

mié. 5/21

3:40 pm-8:40 pm

1 stop13h 00m

$598

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

mar. 4/8

3:45 pm-11:55 am

1 stop12h 10m

London Heathrow

mié. 5/14

9:25 pm-8:40 pm

1 stop31h 15m

$598

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

lun. 1/20

2:35 pm-10:55 am

1 stop12h 20m

London Gatwick

lun. 1/27

7:05 am-2:21 pm

2 stops39h 16m

$611

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

lun. 2/17

2:35 pm-10:50 am

1 stop12h 15m

London Heathrow

mié. 2/19

2:50 pm-2:21 pm

1 stop31h 31m

$612

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

mié. 1/22

7:04 pm-12:40 pm

Nonstop9h 36m

London Heathrow

mié. 1/29

6:20 am-12:14 pm

1 stop13h 54m

$648

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

dom. 5/4

1:30 pm-6:50 am

Nonstop9h 20m

London Heathrow

jue. 5/22

10:20 am-4:00 pm

1 stop13h 40m

$653

PortlandLondon

PDX - LHR

PDXLHR

Portland

lun. 4/21

7:25 pm-1:00 pm

Nonstop9h 35m

London Heathrow

mié. 5/7

3:40 pm-5:35 pm

Nonstop9h 55m

$655

PortlandLondon

PDX - LHR

PDXLHR

Portland

dom. 1/26

10:10 am-9:20 am

2 stops15h 10m

London Heathrow

mar. 2/11

1:00 pm-10:09 pm

1 stop17h 09m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 $661). Flying from State of Washington to London in June is currently the most expensive (average of $1,135). 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 diciembre 18, 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 diciembre 18, 2024.

The most flights from USWA to LON are scheduled on a Tuesday (18 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 diciembre 18, 2024.
Peruse reviews from past customers who have flown with Air Canada, Scandinavian Airlines and Virgin Atlantic 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.
8.0
Very good
8,604 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

8.0
Very good
8,604 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

8.0
Very good
9,552 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

7.8
Good
1,349 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

7.7
Good
1,285 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

7.6
Good
1,606 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.6

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 $269 on WestJet. Other airlines that offer cheap prices include Icelandair from $278 and Lufthansa from $376 one-way.

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

  • 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 (89%), Singapore Airlines (86%) or Air France (84%) 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 $407. On average you can expect to pay $1,827. The most popular route, (Seattle/Tacoma Intl - London Heathrow), can usually be booked for $548.

  • 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 $661). Flying from State of Washington to London in June is currently the most expensive (average of $1,135). 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.

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 2,558,603 searches. Data last updated diciembre 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$384Average$689FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$497Average$678FlexibilityNo cancel feeOn-time76%
FinnairCheapest$560Average$832FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$572Average$889FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$581Average$828FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$583Average$748FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$588Average$901FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$590Average$802FlexibilityNo cancel feeOn-time70%
KLMCheapest$597Average$860FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$601Average$857FlexibilityNo cancel feeOn-time72%
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