How long does it take to fly to London, Ontario?

The average flight duration from State of Washington to London, Ontario depends on which airport you fly into and out of. Flying from Seattle to Toronto Pearson Intl Airport is 4h 35m on average, while flying from Spokane to Toronto Pearson Intl Airport is 6h 44m on average. Toronto Pearson Intl Airport is the most popular airport in London, Ontario.

When did momondo last update prices for flights from Washington to London Airport?

Prices for flights from Washington to London Airport refresh daily.

How old do you have to be to fly from Washington to London Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to London Airport.

What documentation or ID do you need to fly to London Airport?

The necessary travel and health documents for your London Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 597 Cheap Flights from Washington to London in 2025/26

1 adult

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Cheap round-trip flights

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8:10 a.m. - 9:21 p.m.SEA-YXU

10h 11m1 stop

5:40 p.m. - 10:16 p.m.YXU-SEA

7h 36m1 stop

C$ 597Air Canada

Find Deal

Fri, 2 Jan - Fri, 9 Jan

8:10 a.m. - 9:21 p.m.SEA-YXU

10h 11m1 stop

5:40 p.m. - 9:31 a.m.YXU-SEA

18h 51m2 stops

C$ 618Air Canada

Find Deal

Fri, 2 Jan - Fri, 9 Jan

8:10 a.m. - 9:21 p.m.SEA-YXU

10h 11m1 stop

7:30 a.m. - 10:06 p.m.YXU-SEA

17h 36m3 stops

C$ 858Multiple Airlines

Find Deal

Fri, 2 Jan - Fri, 9 Jan

5:40 a.m. - 9:27 p.m.SEA-YXU

12h 47m2 stops

6:15 a.m. - 11:15 a.m.YXU-SEA

8h 00m1 stop

C$ 1,000Air Canada

Find Deal

Tue, 5 May - Wed, 6 May

7:45 p.m. - 9:17 a.m.SEA-YXU

10h 32m2 stops

3:35 p.m. - 10:16 p.m.YXU-SEA

9h 41m2 stops

C$ 1,008Air Canada

Find Deal

Tue, 5 May - Wed, 6 May

7:05 a.m. - 7:07 p.m.SEA-YXU

9h 02m1 stop

8:00 p.m. - 8:28 p.m.YXU-SEA

27h 28m1 stop

C$ 1,153WestJet

Find Deal

Tue, 5 May - Wed, 6 May

7:05 a.m. - 7:07 p.m.SEA-YXU

9h 02m1 stop

8:00 p.m. - 8:28 p.m.YXU-SEA

27h 28m1 stop

C$ 1,154WestJet

Find Deal

Tue, 5 May - Wed, 6 May

10:05 a.m. - 8:46 a.m.SEA-YXU

19h 41m3 stops

5:40 p.m. - 9:31 a.m.YXU-SEA

18h 51m2 stops

C$ 1,197Air Canada

Find Deal

Fri, 2 Jan - Fri, 9 Jan

11:09 p.m. - 9:21 p.m.SEA-YXU

19h 12m2 stops

5:40 p.m. - 10:16 p.m.YXU-SEA

7h 36m1 stop

C$ 1,350United Airlines

Find Deal

Mon, 22 Dec - Mon, 29 Dec

11:09 p.m. - 9:21 p.m.SEA-YXU

19h 12m2 stops

5:10 a.m. - 11:12 p.m.YXU-SEA

21h 02m2 stops

C$ 1,371United Airlines

Find Deal

Mon, 22 Dec - Mon, 29 Dec

Air Canada flights from State of Washington to London, Ontario

Our best Air Canada deals on State of Washington to London, Ontario flight tickets

Air Canada

2 Jan

SEA8:10 a.m.Seattle/Tacoma Intl

10h 11m

1 stop

YXU9:21 p.m.London

9 Jan

YXU5:40 p.m.London

7h 36m

1 stop

SEA10:16 p.m.Seattle/Tacoma Intl

C$ 597

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Air Canada

2 Jan

SEA8:10 a.m.Seattle/Tacoma Intl

10h 11m

1 stop

YXU9:21 p.m.London

9 Jan

YXU5:40 p.m.London

18h 51m

2 stops

SEA9:31 a.m.Seattle/Tacoma Intl

C$ 618

Find similar

Air Canada

5 May

SEA5:40 a.m.Seattle/Tacoma Intl

12h 47m

2 stops

YXU9:27 p.m.London

6 May

YXU6:15 a.m.London

8h 00m

1 stop

SEA11:15 a.m.Seattle/Tacoma Intl

C$ 1,000

Find similar

WestJet flights from State of Washington to London, Ontario

Our best WestJet deals on State of Washington to London, Ontario flight tickets

WestJet

5 May

SEA7:05 a.m.Seattle/Tacoma Intl

9h 02m

1 stop

YXU7:07 p.m.London

6 May

YXU8:00 p.m.London

27h 28m

1 stop

SEA8:28 p.m.Seattle/Tacoma Intl

C$ 1,153

Find similar

WestJet

5 May

SEA7:05 a.m.Seattle/Tacoma Intl

9h 02m

1 stop

YXU7:07 p.m.London

6 May

YXU8:00 p.m.London

27h 28m

1 stop

SEA8:28 p.m.Seattle/Tacoma Intl

C$ 1,154

Find similar

WestJet

22 Dec

SEA3:10 p.m.Seattle/Tacoma Intl

12h 24m

1 stop

YXU6:34 a.m.London

29 Dec

YXU8:10 p.m.London

21h 10m

1 stop

SEA2:20 p.m.Seattle/Tacoma Intl

C$ 1,605

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Fri 2/1

8:10 a.m.-9:21 p.m.

1 stop10h 11m

London

Fri 9/1

5:40 p.m.-10:16 p.m.

1 stop7h 36m

C$ 597

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Fri 2/1

8:10 a.m.-9:21 p.m.

1 stop10h 11m

London

Fri 9/1

5:40 p.m.-9:31 a.m.

2 stops18h 51m

C$ 618

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Fri 2/1

8:10 a.m.-9:21 p.m.

1 stop10h 11m

London

Fri 9/1

7:30 a.m.-10:06 p.m.

3 stops17h 36m

C$ 858

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Tue 5/5

5:40 a.m.-9:27 p.m.

2 stops12h 47m

London

Wed 6/5

6:15 a.m.-11:15 a.m.

1 stop8h 00m

C$ 1,000

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Tue 5/5

7:45 p.m.-9:17 a.m.

2 stops10h 32m

London

Wed 6/5

3:35 p.m.-10:16 p.m.

2 stops9h 41m

C$ 1,008

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Tue 5/5

7:05 a.m.-7:07 p.m.

1 stop9h 02m

London

Wed 6/5

8:00 p.m.-8:28 p.m.

1 stop27h 28m

C$ 1,153

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Tue 5/5

7:05 a.m.-7:07 p.m.

1 stop9h 02m

London

Wed 6/5

8:00 p.m.-8:28 p.m.

1 stop27h 28m

C$ 1,154

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Fri 2/1

10:05 a.m.-8:46 a.m.

3 stops19h 41m

London

Fri 9/1

5:40 p.m.-9:31 a.m.

2 stops18h 51m

C$ 1,197

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Mon 22/12

11:09 p.m.-9:21 p.m.

2 stops19h 12m

London

Mon 29/12

5:40 p.m.-10:16 p.m.

1 stop7h 36m

C$ 1,350

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Mon 22/12

11:09 p.m.-9:21 p.m.

2 stops19h 12m

London

Mon 29/12

5:10 a.m.-11:12 p.m.

2 stops21h 02m

C$ 1,371

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from State of Washington to London, Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Airlines

Other information

Which airlines fly to London, Ontario?

Alaska Airlines, Air Canada and WestJet are the top three most popular airlines that fly to London, Ontario from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 47% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 4 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

Cheap State of Washington to London, Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to London, Ontario

Direct flights	None

There are no direct flights from State of Washington to London, Ontario. There are no popular flight routes from State of Washington to London, Ontario.

Search flight deals

When did momondo last update prices for flights from Washington to London Airport?
Prices for flights from Washington to London Airport refresh daily.
How old do you have to be to fly from Washington to London Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to London Airport.
What documentation or ID do you need to fly to London Airport?
The necessary travel and health documents for your London Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Grand Bend

Port Stanley

Why use momondo?

Why should I use momondo to find a flight deal from Washington to London?

Finding the right flight to London from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Washington to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Washington.

I’m not ready to book a flight from Washington to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Washington and alert you when they change.