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 5h 38m 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$ 895 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

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

4h 55m1 stop Toronto Pearson Intl

C$ 895Air Canada

Tue, 6 Oct - Tue, 13 Oct

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. - 8:26 p.m.YXU London-IAD Washington, D.C. Dulles Intl

4h 56m1 stop Toronto Pearson Intl

C$ 895Air Canada

Sat, 17 Oct - Sat, 24 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$ 895Air Canada

Tue, 6 Oct - Sat, 10 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$ 895Air Canada

Mon, 28 Sep - Fri, 9 Oct

12:43 p.m. - 5:43 p.m.IAD Washington, D.C. Dulles Intl-YXU London

5h 00m1 stop Toronto Pearson Intl

3:30 p.m. - 8:26 p.m.YXU London-IAD Washington, D.C. Dulles Intl

4h 56m1 stop Toronto Pearson Intl

C$ 895Air Canada

Sat, 17 Oct - Sat, 24 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$ 895Air Canada

Tue, 6 Oct - Sat, 10 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$ 897Air 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$ 897Air Canada

Tue, 6 Oct - Mon, 12 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$ 903Air 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

5:40 a.m. - 12:09 p.m.YXU London-DCA Washington, D.C. Reagan-National

6h 29m2 stops Toronto Pearson Intl Ottawa

C$ 903Air Canada

Tue, 6 Oct - Sat, 10 Oct

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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

6 Oct

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

3h 50m

1 stop

YXU2:50 p.m.London

10 Oct

YXU6:20 p.m.London

4h 14m

1 stop

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

C$ 895

Air Canada

6 Oct

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

3h 50m

1 stop

YXU2:50 p.m.London

12 Oct

YXU6:20 p.m.London

4h 14m

1 stop

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

C$ 897

Air Canada

6 Oct

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

3h 50m

1 stop

YXU2:50 p.m.London

10 Oct

YXU5:40 a.m.London

6h 29m

2 stops

DCA12:09 p.m.Washington, D.C. Reagan-National

C$ 903

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 Oct

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

3h 50m

1 stop

YXU2:50 p.m.London

28 Oct

YXU3:25 p.m.London

4h 33m

1 stop

DCA7:58 p.m.Washington, D.C. Reagan-National

C$ 1,288

United Airlines

6 Oct

IAD6:45 a.m.Washington, D.C. Dulles Intl

8h 05m

2 stops

YXU2:50 p.m.London

13 Oct

YXU3:30 p.m.London

4h 55m

1 stop

IAD8:25 p.m.Washington, D.C. Dulles Intl

C$ 1,302

United Airlines

6 Oct

DCA6:30 a.m.Washington, D.C. Reagan-National

11h 13m

2 stops

YXU5:43 p.m.London

13 Oct

YXU5:40 a.m.London

8h 43m

2 stops

DCA2:23 p.m.Washington, D.C. Reagan-National

C$ 1,323

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 6/10

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

1 stop6h 22m

London

Tue 13/10

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

1 stop4h 55m

C$ 895

Washington, D.C.London

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

IADYXU

Washington, D.C. Dulles Intl

Sat 17/10

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

1 stop5h 40m

London

Sat 24/10

3:30 p.m.-8:26 p.m.

1 stop4h 56m

C$ 895

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$ 895

Washington, D.C.London

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

IADYXU

Washington, D.C. Dulles Intl

Mon 28/9

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

1 stop4h 55m

London

Fri 9/10

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

1 stop4h 55m

C$ 895

Washington, D.C.London

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

IADYXU

Washington, D.C. Dulles Intl

Sat 17/10

12:43 p.m.-5:43 p.m.

1 stop5h 00m

London

Sat 24/10

3:30 p.m.-8:26 p.m.

1 stop4h 56m

C$ 895

Quickest round-trip

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$ 895

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$ 897

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

Mon 12/10

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

1 stop4h 14m

C$ 897

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$ 903

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

5:40 a.m.-12:09 p.m.

2 stops6h 29m

C$ 903

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 84% 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$ 895
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$ 895

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.