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Cheap flights from Washington to London from C$ 338

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YXU
9 Nov — 16 Nov1
1 adult

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 4 November 2024.

Mon 2/123:45 p.m.SEA - YXU
2 stops24h 27mWestJet
Mon 9/128:00 p.m.YXU - SEA
1 stop21h 21mWestJet
Deal found 3/11C$ 725
Mon 2/126:05 a.m.SEA - YXU
1 stop11h 15mMultiple Airlines
Mon 9/123:25 p.m.YXU - SEA
1 stop9h 15mMultiple Airlines
Deal found 3/11C$ 760
Mon 16/1211:55 p.m.SEA - YXU
2 stops11h 55mUnited Airlines
Mon 23/123:25 p.m.YXU - SEA
1 stop8h 55mUnited Airlines
Deal found 3/11C$ 1,099

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 503,521 searches. Data last updated 4 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Tue 17/12

1:53 p.m.-2:50 p.m.

2 stops21h 57m

C$ 338

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Tue 17/12

4:00 p.m.-7:12 p.m.

3 stops24h 12m

C$ 668

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Mon 2/12

3:45 p.m.-7:12 p.m.

2 stops24h 27m

London

Mon 9/12

8:00 p.m.-2:21 p.m.

1 stop21h 21m

C$ 725

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Mon 2/12

6:05 a.m.-8:20 p.m.

1 stop11h 15m

London

Mon 9/12

3:25 p.m.-9:40 p.m.

1 stop9h 15m

C$ 760

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Mon 16/12

11:55 p.m.-2:50 p.m.

2 stops11h 55m

London

Mon 23/12

3:25 p.m.-9:20 p.m.

1 stop8h 55m

C$ 1,099

Flights are sorted by cheapest first

Deals found on 4/11

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, Ontario?

Currently, October is the cheapest month in which you can book a flight from State of Washington to London, Ontario (average of C$ 248). Flying from State of Washington to London, Ontario in March is currently the most expensive (average of C$ 521). 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.

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 70.0 - 100.0 mm per month. January is typically the wettest month, when rainfall can reach 100.0 mm. March is typically the driest time to visit London, Ontario when rainfall is around 70.0 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, 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 20.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 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 4 November 2024.
United Airlines
7.4
Good
9,226 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

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
Check prices

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

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
Check prices

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

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?

    For a flight from Washington to London, you will be flying into London. London (YXU) is just 8.6 km from the centre of the city.

  • 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, Ontario?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to London, Ontario (average of C$ 248). Flying from State of Washington to London, Ontario in March is currently the most expensive (average of C$ 521). 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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