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 22m on average, while flying from Baltimore to Toronto Pearson Intl Airport is 5h 04m 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$ 804 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:28 a.m. - 2:50 p.m.IAD Washington, D.C. Dulles Intl-YXU London

6h 22m1 stop Toronto Pearson Intl

5:40 a.m. - 3:25 p.m.YXU London-IAD Washington, D.C. Dulles Intl

9h 45m1 stop Toronto Pearson Intl

C$ 804Air Canada

Tue, 22 Sep - Tue, 29 Sep

4:00 p.m. - 9:40 p.m.IAD Washington, D.C. Dulles Intl-YXU London

5h 40m1 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$ 1,050Air Canada

Fri, 9 Oct - Fri, 16 Oct

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

4h 14m1 stop Toronto Pearson Intl

C$ 1,050Air Canada

Fri, 9 Oct - Fri, 16 Oct

12:40 p.m. - 5:20 a.m.IAD Washington, D.C. Dulles Intl-YXU London

16h 40m3 stops Minneapolis St Paul Regina Calgary

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

28h 35m3 stops Calgary Montreal Pierre Elliott Trudeau Intl Toronto Island

C$ 1,119Multiple Airlines

Fri, 9 Oct - Fri, 16 Oct

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

5:55 p.m. - 3:10 p.m.YXU London-IAD Washington, D.C. Dulles Intl

21h 15m3 stops Calgary Ottawa Toronto Island

C$ 1,159Multiple Airlines

Sun, 11 Oct - Sun, 18 Oct

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

5h 20m1 stop Toronto Pearson Intl

C$ 1,197Air Canada

Wed, 7 Oct - Fri, 9 Oct

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

4h 14m1 stop Toronto Pearson Intl

C$ 1,197Air Canada

Wed, 7 Oct - Fri, 9 Oct

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

4h 55m1 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$ 1,198Air Canada

Tue, 6 Oct - Sat, 10 Oct

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

4h 14m1 stop Toronto Pearson Intl

C$ 1,198Air Canada

Tue, 6 Oct - Sat, 10 Oct

8:15 a.m. - 2:50 p.m.IAD Washington, D.C. Dulles Intl-YXU London

6h 35m2 stops Ottawa 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$ 1,205Air Canada

Tue, 6 Oct - Sat, 10 Oct

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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

9 Oct

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

3h 50m

1 stop

YXU2:50 p.m.London

16 Oct

YXU6:20 p.m.London

4h 14m

1 stop

DCA10:34 p.m.Washington, D.C. Reagan-National

C$ 1,423

United Airlines

9 Oct

IAD10:40 p.m.Washington, D.C. Dulles Intl

16h 10m

2 stops

YXU2:50 p.m.London

16 Oct

YXU10:05 a.m.London

5h 20m

1 stop

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

C$ 1,437

United Airlines

9 Oct

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

3h 50m

1 stop

YXU2:50 p.m.London

16 Oct

YXU10:05 a.m.London

8h 04m

2 stops

DCA6:09 p.m.Washington, D.C. Reagan-National

C$ 1,444

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

22 Sep

IAD8:28 a.m.Washington, D.C. Dulles Intl

6h 22m

1 stop

YXU2:50 p.m.London

29 Sep

YXU5:40 a.m.London

9h 45m

1 stop

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

C$ 804

Air Canada

9 Oct

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

3h 50m

1 stop

YXU2:50 p.m.London

16 Oct

YXU6:20 p.m.London

4h 14m

1 stop

DCA10:34 p.m.Washington, D.C. Reagan-National

C$ 1,050

Air Canada

7 Oct

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

3h 50m

1 stop

YXU2:50 p.m.London

9 Oct

YXU6:20 p.m.London

4h 14m

1 stop

DCA10:34 p.m.Washington, D.C. Reagan-National

C$ 1,197

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

Tue 22/9

8:28 a.m.-2:50 p.m.

1 stop6h 22m

London

Tue 29/9

5:40 a.m.-3:25 p.m.

1 stop9h 45m

C$ 804

Washington, D.C.London

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

IADYXU

Washington, D.C. Dulles Intl

Fri 9/10

4:00 p.m.-9:40 p.m.

1 stop5h 40m

London

Fri 16/10

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

1 stop4h 55m

C$ 1,050

Quickest round-trip

Washington, D.C.London

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

DCAYXU

Washington, D.C. Reagan-National

Fri 9/10

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

1 stop3h 50m

London

Fri 16/10

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

1 stop4h 14m

C$ 1,050

Washington, D.C.London

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

IADYXU

Washington, D.C. Dulles Intl

Fri 9/10

12:40 p.m.-5:20 a.m.

3 stops16h 40m

London

Fri 16/10

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

3 stops28h 35m

C$ 1,119

Washington, D.C.London

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

IADYXU

Washington, D.C. Dulles Intl

Sun 11/10

11:25 a.m.-5:20 a.m.

3 stops17h 55m

London

Sun 18/10

5:55 p.m.-3:10 p.m.

3 stops21h 15m

C$ 1,159

Washington, D.C.London

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

IADYXU

Washington, D.C. Dulles Intl

Wed 7/10

9:55 a.m.-2:50 p.m.

1 stop4h 55m

London

Fri 9/10

10:05 a.m.-3:25 p.m.

1 stop5h 20m

C$ 1,197

Washington, D.C.London

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

DCAYXU

Washington, D.C. Reagan-National

Wed 7/10

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

1 stop3h 50m

London

Fri 9/10

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

1 stop4h 14m

C$ 1,197

Washington, D.C.London

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

IADYXU

Washington, D.C. Dulles Intl

Tue 6/10

9:55 a.m.-2:50 p.m.

1 stop4h 55m

London

Sat 10/10

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

1 stop4h 55m

C$ 1,198

Washington, D.C.London

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

DCAYXU

Washington, D.C. Reagan-National

Tue 6/10

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

1 stop3h 50m

London

Sat 10/10

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

1 stop4h 14m

C$ 1,198

Washington, D.C.London

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

IADYXU

Washington, D.C. Dulles Intl

Tue 6/10

8:15 a.m.-2:50 p.m.

2 stops6h 35m

London

Sat 10/10

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

1 stop4h 55m

C$ 1,205

Flights are sorted by cheapest round-trip flights first.

Sorted 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

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

Best price found	C$ 804
Fastest flight time	3h 50m
Direct flights	None

The best flight deal from Washington, D.C. to London, Ontario found on momondo in the last 72 hours is C$ 804

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.

Grand Bend

Port Stanley

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.