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$242+ Cheap flights from Washington to London (YXU)

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YXU
Nov 9 — Nov 161
1 adult
Sat 11/9
Sat 11/16
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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 4, 2024.

This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/23:45 pmSEA - YXU
2 stops24h 27mWestJet
Mon 12/98:00 pmYXU - SEA
1 stop21h 21mWestJet
Deal found 11/3$520
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/26:05 amSEA - YXU
1 stop11h 15mMultiple Airlines
Mon 12/93:25 pmYXU - SEA
1 stop9h 15mMultiple Airlines
Deal found 11/3$545
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/1611:55 pmSEA - YXU
2 stops11h 55mUnited Airlines
Mon 12/233:25 pmYXU - SEA
1 stop8h 55mUnited Airlines
Deal found 11/3$788

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 2,455,398 searches. Data last updated November 4, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Tue 12/17

1:53 pm-2:50 pm

2 stops21h 57m

$242

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Tue 12/17

4:00 pm-7:12 pm

3 stops24h 12m

$479

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Mon 12/2

3:45 pm-7:12 pm

2 stops24h 27m

London

Mon 12/9

8:00 pm-2:21 pm

1 stop21h 21m

$520

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Mon 12/2

6:05 am-8:20 pm

1 stop11h 15m

London

Mon 12/9

3:25 pm-9:40 pm

1 stop9h 15m

$545

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Mon 12/16

11:55 pm-2:50 pm

2 stops11h 55m

London

Mon 12/23

3:25 pm-9:20 pm

1 stop8h 55m

$788

Flights are sorted by cheapest first

Deals found on 11/4

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.

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, Ontario ranges from 2.8 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. March is typically the driest time to visit London, Ontario when rainfall is around 2.8 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, Ontario, 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 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 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 4, 2024.
United Airlines
7.4
Good
9,226 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.7

Reviews

1 / 10

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

United Airlines
7.4
Good
9,226 reviews
United Airlines
7.4
Good
9,226 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.7

Reviews

1 / 10

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

WestJet
7.3
Good
2,803 reviews
United Airlines
7.4
Good
9,226 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.7

Reviews

1 / 10

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

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 airport do you fly into for flights to London from Washington?

    Located just 5.3 mi from the city center, London (YXU) is the airport most travelers will use when flying to London from Washington.

  • Can I find flights from State of Washington to London, Ontario for under $600 on Cheapflights?

    Yes, there are multiple flights from State of Washington to London, Ontario for under $600. The cheapest flight booked recently is on WestJet for just $520, but on average you can expect to pay $617.

  • What does SEA to YXU mean?

    Seattle/Tacoma Intl Airport is SEA and London Airport is YXU. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Wenatchee Pangborn Field Airport (EAT), Spokane Airport (GEG), Pasco Tri Cities Airport (PSC), Everett Paine Field Airport (PAE), Bellingham Airport (BLI).

  • Can I find deals for flights from Washington to London that include extra baggage allowance?

    The amount of baggage you can bring on your Washington to London flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington to London with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington to London flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Washington to London that allow pets onboard?

    Many airlines flying from Washington to London offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington to London?

    Yes, you can often find last-minute deals on Washington to London flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the State of Washington to London, Ontario flight deals updated?

    The State of Washington to London, Ontario flight deals you see on this page were last updated on 11/3.

See more FAQs

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Top airline flying from Washington to London

Discover the top airline 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 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$205Average$399FlexibilityNo cancel feeOn-time67%
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