Cheap flights from London to Washington

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Seattle (SEA)
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How to find the cheapest flight from
London (YXU) to Washington

All the information you need to plan the best YXU to SEA flight in 2022: compare London to Washington flight prices with the expected peak season, weather and rainfall in Washington.
When is the cheapest time to fly from London, Ontario to State of Washington (YXU - WA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to State of Washington as you normally would.

One-way flights to Washington from London

The cheapest one-way flights from London to Washington
5:15 p.m. - 1:27 p.m.
Multiple Airlines
1 stop
23h 12m
YXU - SEA
Multiple Airlines
C$ 318
Kiwi.com
2:35 p.m. - 6:03 a.m.
Air Canada
2 stops
18h 28m
YXU - SEA
Air Canada
C$ 348
Air Canada
2:20 a.m. - 5:18 p.m.
United Airlines
3 stops
17h 58m
YXU - SEA
United Airlines
C$ 499
United Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Washington</span> flights.

Flight FAQs

From London to Washington

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

Most people fly from London (YXU) if they book a flight from London to Washington. London is conveniently located just 8.6 km from London’s city centre.

Which airlines flying from London to Washington have flexible changes due to COVID-19?

One of the carriers operating flights from London to Washington that may be offering flexible change policies is Air Canada. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

How popular is this London, Ontario to State of Washington flight route?

Flights from London to Washington have been viewed 34 times in the past calendar month.

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

The most popular flight routes from London, Ontario to State of Washington are London - Wenatchee Pangborn Field, London - Pullman Moscow Regional and London - Seattle/Tacoma Intl.

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

While on average a flight from London, Ontario to State of Washington is generally C$ 874, our data shows the cheapest flight currently is C$ 399. When looking at the most popular route, (London - Wenatchee Pangborn Field), you can expect to pay C$ 1,054 for that flight.

COVID Restrictions

View COVID Travel Restrictions for Washington (WA)

Do I need a COVID test to fly to Washington from London?

Information is based on travel restrictions from London to Washington

Most visitors from London need to provide a negative COVID-19 test result and/or quarantine to enter Washington.

COVID-19 testing requirements
Visitors from London are not required to present a negative COVID-19 PCR test or antigen result upon entering Washington.

Quarantine requirements
Visitors from London are not required to quarantine after entering Washington.

Do I need a test to fly back to London from Washington?

Returning to London from Washington

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to London.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering London.

Hide COVID Travel Restrictions for Washington (WA)

Destination points for flights from London to Washington

Select to see more specific information for flights from London to all places in Washington.
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