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

The average flight duration from Washington, D.C. to London, Ontario depends on which airport you fly into and out of. Flying from Washington, D.C. to Toronto Pearson Intl Airport is 1h 24m on average, while flying from Baltimore to Toronto Pearson Intl Airport is 4h 54m on average. Toronto Pearson Intl Airport is the most popular airport in London, Ontario.

When did momondo last update prices for flights from Washington, D.C. to London Airport?

Prices for flights from Washington, D.C. to London Airport refresh daily.

How old do you have to be to fly from Washington, D.C. to London Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to London Airport.

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

The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 435 Cheap Flights from Washington, D.C. to London, Ontario in 2026

Find the cheapest flights from Washington, D.C. to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 p.m. - 5:20 a.m.IAD Washington, D.C. Dulles Intl-YXU London

10h 20m1 stop Calgary

5:55 p.m. - 6:20 a.m.YXU London-IAD Washington, D.C. Dulles Intl

36h 25m2 stops Calgary Las Vegas Harry Reid Intl

C$ 916Multiple Airlines

Mon, 7 Sep - Sun, 13 Sep

4:20 p.m. - 9:40 p.m.IAD Washington, D.C. Dulles Intl-YXU London

5h 20m1 stop Toronto Pearson Intl

3:30 p.m. - 8:25 p.m.YXU London-IAD Washington, D.C. Dulles Intl

4h 55m1 stop Toronto Pearson Intl

C$ 980Air Canada

Mon, 7 Sep - Sun, 13 Sep

11:00 a.m. - 2:50 p.m.DCA Washington, D.C. Reagan-National-YXU London

3h 50m1 stop Toronto Pearson Intl

3:30 p.m. - 7:59 p.m.YXU London-DCA Washington, D.C. Reagan-National

4h 29m1 stop Toronto Pearson Intl

C$ 980Air Canada

Mon, 7 Sep - Sun, 13 Sep

11:00 a.m. - 2:50 p.m.DCA Washington, D.C. Reagan-National-YXU London

3h 50m1 stop Toronto Pearson Intl

5:40 a.m. - 12:14 p.m.YXU London-DCA Washington, D.C. Reagan-National

6h 34m2 stops Toronto Pearson Intl Ottawa

C$ 987Air Canada

Mon, 7 Sep - Sun, 13 Sep

12:55 p.m. - 9:40 p.m.DCA Washington, D.C. Reagan-National-YXU London

8h 45m2 stops Ottawa Toronto Pearson Intl

6:20 p.m. - 10:34 p.m.YXU London-DCA Washington, D.C. Reagan-National

4h 14m1 stop Toronto Pearson Intl

C$ 987Air Canada

Wed, 23 Sep - Wed, 30 Sep

12:55 p.m. - 9:40 p.m.DCA Washington, D.C. Reagan-National-YXU London

8h 45m2 stops Ottawa Toronto Pearson Intl

5:40 a.m. - 12:14 p.m.YXU London-DCA Washington, D.C. Reagan-National

6h 34m2 stops Toronto Pearson Intl Ottawa

C$ 995Air Canada

Wed, 23 Sep - Wed, 30 Sep

6:59 a.m. - 5:43 p.m.DCA Washington, D.C. Reagan-National-YXU London

10h 44m1 stop Toronto Pearson Intl

6:20 p.m. - 10:34 p.m.YXU London-DCA Washington, D.C. Reagan-National

4h 14m1 stop Toronto Pearson Intl

C$ 1,013Air Canada

Wed, 23 Sep - Wed, 30 Sep

7:00 p.m. - 5:20 a.m.IAD Washington, D.C. Dulles Intl-YXU London

10h 20m1 stop Calgary

5:55 p.m. - 6:20 a.m.YXU London-IAD Washington, D.C. Dulles Intl

36h 25m2 stops Calgary Las Vegas Harry Reid Intl

C$ 1,056Multiple Airlines

Mon, 7 Sep - Sun, 13 Sep

7:00 p.m. - 5:20 a.m.IAD Washington, D.C. Dulles Intl-YXU London

10h 20m1 stop Calgary

6:10 a.m. - 10:45 a.m.YXU London-IAD Washington, D.C. Dulles Intl

28h 35m3 stops Calgary Ottawa Toronto Island

C$ 1,090Multiple Airlines

Mon, 7 Sep - Sun, 13 Sep

7:00 p.m. - 5:20 a.m.IAD Washington, D.C. Dulles Intl-YXU London

10h 20m1 stop Calgary

5:55 p.m. - 6:20 a.m.YXU London-IAD Washington, D.C. Dulles Intl

36h 25m2 stops Calgary Las Vegas Harry Reid Intl

C$ 1,115Multiple Airlines

Mon, 7 Sep - Sun, 13 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:00 a.m. - 2:50 p.m.DCA Washington, D.C. Reagan-National-YXU London

3h 50m1 stop Toronto Pearson Intl

6:20 p.m. - 10:31 p.m.YXU London-DCA Washington, D.C. Reagan-National

4h 11m1 stop Toronto Pearson Intl

C$ 1,872United Airlines

Thu, 13 Aug - Sun, 16 Aug

7:46 a.m. - 5:42 p.m.DCA Washington, D.C. Reagan-National-YXU London

9h 56m2 stops Chicago O'Hare Intl Toronto Pearson Intl

6:20 p.m. - 10:31 p.m.YXU London-DCA Washington, D.C. Reagan-National

4h 11m1 stop Toronto Pearson Intl

C$ 1,884United Airlines

Thu, 13 Aug - Sun, 16 Aug

9:55 a.m. - 2:50 p.m.IAD Washington, D.C. Dulles Intl-YXU London

4h 55m1 stop Toronto Pearson Intl

10:05 a.m. - 4:41 p.m.YXU London-IAD Washington, D.C. Dulles Intl

6h 36m1 stop Toronto Pearson Intl

C$ 1,893United Airlines

Thu, 13 Aug - Sun, 16 Aug

11:25 a.m. - 1:50 p.m.IAD Washington, D.C. Dulles Intl-YXU London

26h 25m2 stops Toronto Island Winnipeg

5:55 p.m. - 6:10 p.m.YXU London-IAD Washington, D.C. Dulles Intl

24h 15m1 stop Calgary

C$ 1,898Multiple Airlines

Thu, 13 Aug - Sun, 16 Aug

6:16 a.m. - 2:50 p.m.IAD Washington, D.C. Dulles Intl-YXU London

8h 34m2 stops Newark Toronto Pearson Intl

5:40 a.m. - 3:01 p.m.YXU London-IAD Washington, D.C. Dulles Intl

9h 21m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

C$ 2,355Multiple Airlines

Thu, 13 Aug - Sun, 16 Aug

6:02 a.m. - 5:20 a.m.DCA Washington, D.C. Reagan-National-YXU London

23h 18m2 stops New York John F Kennedy Intl Calgary

5:55 p.m. - 5:28 p.m.YXU London-DCA Washington, D.C. Reagan-National

23h 33m2 stops Calgary Atlanta Hartsfield-Jackson

C$ 2,460WestJet

Thu, 13 Aug - Sun, 16 Aug

11:25 a.m. - 5:20 a.m.IAD Washington, D.C. Dulles Intl-YXU London

17h 55m3 stops Toronto Island Montreal Pierre Elliott Trudeau Intl Calgary

2:40 p.m. - 3:10 p.m.YXU London-IAD Washington, D.C. Dulles Intl

24h 30m2 stops Winnipeg Toronto Pearson Intl

C$ 2,729Multiple Airlines

Thu, 13 Aug - Sun, 16 Aug

11:25 a.m. - 5:20 a.m.IAD Washington, D.C. Dulles Intl-YXU London

17h 55m3 stops Toronto Island Montreal Pierre Elliott Trudeau Intl Calgary

2:40 p.m. - 6:10 p.m.YXU London-IAD Washington, D.C. Dulles Intl

27h 30m3 stops Winnipeg Kelowna Calgary

C$ 3,151Multiple Airlines

Thu, 13 Aug - Sun, 16 Aug

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Air Canada flights from Washington, D.C. to London, Ontario

Our best Air Canada deals on Washington, D.C. to London, Ontario flight tickets

Air Canada

7 Sep

DCA11:00 a.m.Washington, D.C. Reagan-National

3h 50m

1 stop

YXU2:50 p.m.London

13 Sep

YXU3:30 p.m.London

4h 29m

1 stop

DCA7:59 p.m.Washington, D.C. Reagan-National

C$ 980

Air Canada

7 Sep

DCA11:00 a.m.Washington, D.C. Reagan-National

3h 50m

1 stop

YXU2:50 p.m.London

13 Sep

YXU5:40 a.m.London

6h 34m

2 stops

DCA12:14 p.m.Washington, D.C. Reagan-National

C$ 987

Air Canada

23 Sep

DCA12:55 p.m.Washington, D.C. Reagan-National

8h 45m

2 stops

YXU9:40 p.m.London

30 Sep

YXU5:40 a.m.London

6h 34m

2 stops

DCA12:14 p.m.Washington, D.C. Reagan-National

C$ 995

United Airlines flights from Washington, D.C. to London, Ontario

Our best United Airlines deals on Washington, D.C. to London, Ontario flight tickets

United Airlines

21 Sep

IAD10:15 p.m.Washington, D.C. Dulles Intl

16h 35m

2 stops

YXU2:50 p.m.London

28 Sep

YXU10:05 a.m.London

5h 20m

1 stop

IAD3:25 p.m.Washington, D.C. Dulles Intl

C$ 1,434

United Airlines

23 Sep

DCA1:10 p.m.Washington, D.C. Reagan-National

8h 30m

2 stops

YXU9:40 p.m.London

30 Sep

YXU3:30 p.m.London

4h 29m

1 stop

DCA7:59 p.m.Washington, D.C. Reagan-National

C$ 1,442

United Airlines

21 Sep

IAD10:15 p.m.Washington, D.C. Dulles Intl

16h 35m

2 stops

YXU2:50 p.m.London

28 Sep

YXU5:40 a.m.London

25h 40m

2 stops

IAD7:20 a.m.Washington, D.C. Dulles Intl

C$ 1,451

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - YXU London

IADYXU

Washington, D.C. Dulles Intl

Mon 7/9

7:00 p.m.-5:20 a.m.

1 stop10h 20m

London

Sun 13/9

5:55 p.m.-6:20 a.m.

2 stops36h 25m

C$ 916

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - YXU London

IADYXU

Washington, D.C. Dulles Intl

Mon 7/9

4:20 p.m.-9:40 p.m.

1 stop5h 20m

London

Sun 13/9

3:30 p.m.-8:25 p.m.

1 stop4h 55m

C$ 980

Quickest round-trip

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Mon 7/9

11:00 a.m.-2:50 p.m.

1 stop3h 50m

London

Sun 13/9

3:30 p.m.-7:59 p.m.

1 stop4h 29m

C$ 980

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Mon 7/9

11:00 a.m.-2:50 p.m.

1 stop3h 50m

London

Sun 13/9

5:40 a.m.-12:14 p.m.

2 stops6h 34m

C$ 987

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Wed 23/9

12:55 p.m.-9:40 p.m.

2 stops8h 45m

London

Wed 30/9

6:20 p.m.-10:34 p.m.

1 stop4h 14m

C$ 987

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Wed 23/9

12:55 p.m.-9:40 p.m.

2 stops8h 45m

London

Wed 30/9

5:40 a.m.-12:14 p.m.

2 stops6h 34m

C$ 995

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Wed 23/9

6:59 a.m.-5:43 p.m.

1 stop10h 44m

London

Wed 30/9

6:20 p.m.-10:34 p.m.

1 stop4h 14m

C$ 1,013

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - YXU London

IADYXU

Washington, D.C. Dulles Intl

Mon 7/9

7:00 p.m.-5:20 a.m.

1 stop10h 20m

London

Sun 13/9

5:55 p.m.-6:20 a.m.

2 stops36h 25m

C$ 1,056

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - YXU London

IADYXU

Washington, D.C. Dulles Intl

Mon 7/9

7:00 p.m.-5:20 a.m.

1 stop10h 20m

London

Sun 13/9

6:10 a.m.-10:45 a.m.

3 stops28h 35m

C$ 1,090

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - YXU London

IADYXU

Washington, D.C. Dulles Intl

Mon 7/9

7:00 p.m.-5:20 a.m.

1 stop10h 20m

London

Sun 13/9

5:55 p.m.-6:20 a.m.

2 stops36h 25m

C$ 1,115

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. 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

What is the cheapest airline that flies from Washington, D.C. to London?

Air Canada, WestJet, and United Airlines are the most popular carriers operating from Washington, D.C. to London

Which airlines fly to London, Ontario?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to London, Ontario from Washington, D.C. according to our data. Air Canada is the first choice among our users, with 83% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 3 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Washington, D.C. to London, Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to London, Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to London, Ontario (WAS to YXU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to London, Ontario

Fastest flight time	3h 50m
Direct flights	None

The fastest flight from Washington, D.C. to London, Ontario takes 3h 50m

There are no direct flights from Washington, D.C. to London, Ontario. There are no popular flight routes from Washington, D.C. to London, Ontario.

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Frequently asked questions about flying from Washington, D.C. to London, Ontario

How far is Washington, D.C. to London by plane?
Washington, D.C. and London are 573.8 km apart from one another. In terms of flight time, this usually takes a little over 3h 50m.
When did momondo last update prices for flights from Washington, D.C. to London Airport?
Prices for flights from Washington, D.C. to London Airport refresh daily.
How old do you have to be to fly from Washington, D.C. to London Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to London Airport.
What documentation or ID do you need to fly to London Airport?
The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Washington, D.C..

Can I find flights from Washington, D.C. to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to London?

Once all potential Washington, D.C. to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to London from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.