How long is the flight from London, Ontario to State of Washington?

For as low as C$ 770, WestJet can have you in State of Washington from London, Ontario in 10h. The distance between London, Ontario and State of Washington is about 3219 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

If weather is an important factor for your trip to State of Washington, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 - Seattle/Tacoma Intl, London - Portland and London - Wenatchee Pangborn Field.

What is the cheapest time of day to fly from YXU to 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.

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.

Can I find deals for flights from London to Washington that include hotel bookings?

Yes. In addition to deals on London to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from London to Washington?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Washington.

Can I find deals for business class flights from London to Washington?

Yes. Cheapflights offers flight deals from London to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 385+ Cheap Flights from London, ON to Washington

Cheap flight deals from London to Washington

Enter your travel dates to find the best prices.

Cheapest

Best

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Cheapest flights from London to Washington
Explore the most affordable flight options available from London to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.

Fri 4/126:40 a.m. -

1 stop10h 00m

Mon 7/122:30 p.m. -

1 stop12h 05m

Deal found 10/11C$ 770

Fri 4/126:40 a.m. -

1 stop10h 00m

Mon 7/1212:31 p.m. -

2 stops14h 04m

Deal found 10/11C$ 811

Fri 4/125:30 a.m. -

2 stops12h 07m

Mon 7/127:05 p.m. -

2 stops10h 32m

Deal found 10/11C$ 952

Find flight deals from London to Washington

Round-trip from	C$ 765
One-way from	C$ 385

WestJet
4/12-7/12
2 total stops
22h 05m total
London to Washington

Search Deals

Delta
25/11-31/12
1 total stop
10h 00m total
London to Washington

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Wed 25/11

6:40 a.m.-1:40 p.m.

1 stop10h 00m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 385

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Tue 22/12

8:20 a.m.-5:10 p.m.

2 stops35h 50m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 548

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Wed 25/11

6:40 a.m.-9:03 a.m.

3 stops29h 23m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 550

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Wed 25/11

9:05 p.m.-2:37 p.m.

2 stops20h 32m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 565

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Sat 26/12

5:30 a.m.-11:18 p.m.

3 stops20h 48m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 757

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Fri 4/12

6:40 a.m.-1:40 p.m.

1 stop10h 00m

Seattle/Tacoma Intl

Mon 7/12

2:30 p.m.-5:35 a.m.

1 stop12h 05m

C$ 770

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Fri 4/12

6:40 a.m.-1:40 p.m.

1 stop10h 00m

Seattle/Tacoma Intl

Mon 7/12

12:31 p.m.-5:35 a.m.

2 stops14h 04m

C$ 811

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Fri 4/12

5:30 a.m.-2:37 p.m.

2 stops12h 07m

Seattle/Tacoma Intl

Mon 7/12

7:05 p.m.-8:37 a.m.

2 stops10h 32m

C$ 952

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Mon 15/2

9:15 a.m.-8:59 p.m.

1 stop14h 44m

Seattle/Tacoma Intl

Sat 20/2

7:45 a.m.-9:52 p.m.

1 stop11h 07m

C$ 1,054

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Mon 15/2

9:15 a.m.-11:15 p.m.

3 stops17h 00m

Seattle/Tacoma Intl

Sat 20/2

7:00 a.m.-9:52 p.m.

2 stops11h 52m

C$ 1,667

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Sorted by cheapest first

Best time to book a flight from London to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from London with our price prediction graph.

YXU-SEA

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.

Cheapflights Insights

Everything you need to know about your flight from London to Washington

YXU-USWA

YXU-SEA

No data available for this route at this time. Please check back soon.

Related info for your journey

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.
How long is the flight from London, Ontario to State of Washington?
For as low as C$ 770, WestJet can have you in State of Washington from London, Ontario in 10h. The distance between London, Ontario and State of Washington is about 3219 km. This flight may include one or multiple stops.
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 - Seattle/Tacoma Intl, London - Portland and London - Wenatchee Pangborn Field.
Can I find deals for flights from London to Washington that include hotel bookings?
Yes. In addition to deals on London to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to Washington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Washington.
Can I find deals for business class flights from London to Washington?
Yes. Cheapflights offers flight deals from London to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Washington, users can toggle the no change fees filter when performing a flight search.

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Cheap flights from London, ON to Washington from C$ 385

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Washington

Cheapest flights from London to WashingtonExplore the most affordable flight options available from London to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.

Explore the most affordable flight options available from London to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.

Best flights from London to WashingtonDiscover carefully curated flight deals from London to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 November 2026.

Discover carefully curated flight deals from London to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 November 2026.

Last-minute flights from London to WashingtonDiscover last-minute flight deals from London to Washington. Data last updated 12 November 2026 and is based on user searches.

Discover last-minute flight deals from London to Washington. Data last updated 12 November 2026 and is based on user searches.

One-way flights from London to WashingtonSearch for one-way flight options from London to Washington. Find affordable one-way fares based on user searches. Data last updated 12 November 2026.

Search for one-way flight options from London to Washington. Find affordable one-way fares based on user searches. Data last updated 12 November 2026.

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Related info for your journey

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

How long is the flight from London, Ontario to State of Washington?

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

Can I find deals for flights from London to Washington that include hotel bookings?

How can I find direct flights from London to Washington?

Can I find deals for business class flights from London to Washington?

Browse thousands of different options on Cheapflights for your next trip

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London and Washington flights

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Cheapest flights from London to Washington
Explore the most affordable flight options available from London to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.

Best flights from London to Washington
Discover carefully curated flight deals from London to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 November 2026.

Last-minute flights from London to Washington
Discover last-minute flight deals from London to Washington. Data last updated 12 November 2026 and is based on user searches.

One-way flights from London to Washington
Search for one-way flight options from London to Washington. Find affordable one-way fares based on user searches. Data last updated 12 November 2026.