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 16m 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$ 475 Cheap Flights from Washington, D.C. to London in 2026

1 adult

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

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One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:30 p.m. - 9:21 p.m.

IAD

YXU

4h 51m

1 stop

9:40 a.m. - 3:46 p.m.

YXU

IAD

6h 06m

1 stop

C$ 889Air Canada

Tue, 17 Mar - Tue, 24 Mar

12:55 p.m. - 9:21 p.m.

DCA

YXU

8h 26m

2 stops

5:10 a.m. - 8:55 a.m.

YXU

DCA

3h 45m

1 stop

C$ 896Air Canada

Mon, 16 Mar - Mon, 23 Mar

9:55 a.m. - 5:05 p.m.

IAD

YXU

7h 10m

2 stops

9:40 a.m. - 3:46 p.m.

YXU

IAD

6h 06m

1 stop

C$ 900Air Canada

Tue, 17 Mar - Tue, 24 Mar

12:55 p.m. - 9:21 p.m.

DCA

YXU

8h 26m

2 stops

5:10 a.m. - 12:19 p.m.

YXU

DCA

7h 09m

2 stops

C$ 903Air Canada

Mon, 16 Mar - Mon, 23 Mar

6:50 p.m. - 8:46 a.m.

DCA

YXU

13h 56m

1 stop

5:10 a.m. - 8:55 a.m.

YXU

DCA

3h 45m

1 stop

C$ 922Air Canada

Mon, 16 Mar - Mon, 23 Mar

6:59 a.m. - 5:05 p.m.

DCA

YXU

10h 06m

1 stop

5:40 p.m. - 10:35 p.m.

YXU

DCA

4h 55m

1 stop

C$ 923Air Canada

Tue, 17 Mar - Tue, 24 Mar

6:30 a.m. - 5:05 p.m.

DCA

YXU

10h 35m

2 stops

5:10 a.m. - 8:55 a.m.

YXU

DCA

3h 45m

1 stop

C$ 1,018United Airlines

Tue, 17 Mar - Tue, 24 Mar

1:00 p.m. - 9:21 p.m.

DCA

YXU

8h 21m

2 stops

5:10 a.m. - 12:18 p.m.

YXU

DCA

7h 08m

2 stops

C$ 1,040United Airlines

Tue, 17 Mar - Tue, 24 Mar

10:12 a.m. - 6:35 a.m.

DCA

YXU

20h 23m

2 stops

8:10 p.m. - 7:12 p.m.

YXU

DCA

23h 02m

3 stops

C$ 1,080Multiple Airlines

Mon, 16 Mar - Mon, 23 Mar

1:19 p.m. - 6:35 a.m.

IAD

YXU

17h 16m

2 stops

8:10 p.m. - 2:39 p.m.

YXU

IAD

18h 29m

2 stops

C$ 2,071WestJet

Tue, 17 Mar - Tue, 24 Mar

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

17 Mar

IAD4:30 p.m.Washington, D.C. Dulles Intl

4h 51m

1 stop

YXU9:21 p.m.London

24 Mar

YXU9:40 a.m.London

6h 06m

1 stop

IAD3:46 p.m.Washington, D.C. Dulles Intl

C$ 889

Air Canada

16 Mar

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

8h 26m

2 stops

YXU9:21 p.m.London

23 Mar

YXU5:10 a.m.London

3h 45m

1 stop

DCA8:55 a.m.Washington, D.C. Reagan-National

C$ 896

Air Canada

17 Mar

IAD9:55 a.m.Washington, D.C. Dulles Intl

7h 10m

2 stops

YXU5:05 p.m.London

24 Mar

YXU9:40 a.m.London

6h 06m

1 stop

IAD3:46 p.m.Washington, D.C. Dulles Intl

C$ 900

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

17 Mar

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

10h 35m

2 stops

YXU5:05 p.m.London

24 Mar

YXU5:10 a.m.London

3h 45m

1 stop

DCA8:55 a.m.Washington, D.C. Reagan-National

C$ 1,018

United Airlines

17 Mar

DCA1:00 p.m.Washington, D.C. Reagan-National

8h 21m

2 stops

YXU9:21 p.m.London

24 Mar

YXU5:10 a.m.London

7h 08m

2 stops

DCA12:18 p.m.Washington, D.C. Reagan-National

C$ 1,040

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

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 17/3

4:30 p.m.-9:21 p.m.

1 stop4h 51m

London

Tue 24/3

9:40 a.m.-3:46 p.m.

1 stop6h 06m

C$ 889

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 16/3

12:55 p.m.-9:21 p.m.

2 stops8h 26m

London

Mon 23/3

5:10 a.m.-8:55 a.m.

1 stop3h 45m

C$ 896

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 17/3

9:55 a.m.-5:05 p.m.

2 stops7h 10m

London

Tue 24/3

9:40 a.m.-3:46 p.m.

1 stop6h 06m

C$ 900

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 16/3

12:55 p.m.-9:21 p.m.

2 stops8h 26m

London

Mon 23/3

5:10 a.m.-12:19 p.m.

2 stops7h 09m

C$ 903

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 16/3

6:50 p.m.-8:46 a.m.

1 stop13h 56m

London

Mon 23/3

5:10 a.m.-8:55 a.m.

1 stop3h 45m

C$ 922

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 17/3

6:59 a.m.-5:05 p.m.

1 stop10h 06m

London

Tue 24/3

5:40 p.m.-10:35 p.m.

1 stop4h 55m

C$ 923

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 17/3

6:30 a.m.-5:05 p.m.

2 stops10h 35m

London

Tue 24/3

5:10 a.m.-8:55 a.m.

1 stop3h 45m

C$ 1,018

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 17/3

1:00 p.m.-9:21 p.m.

2 stops8h 21m

London

Tue 24/3

5:10 a.m.-12:18 p.m.

2 stops7h 08m

C$ 1,040

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 16/3

10:12 a.m.-6:35 a.m.

2 stops20h 23m

London

Mon 23/3

8:10 p.m.-7:12 p.m.

3 stops23h 02m

C$ 1,080

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 17/3

1:19 p.m.-6:35 a.m.

2 stops17h 16m

London

Tue 24/3

8:10 p.m.-2:39 p.m.

2 stops18h 29m

C$ 2,071

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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?

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

Which airlines fly to London, Ontario?

Air Canada, United Airlines and WestJet 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 74% 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	4h 51m
Direct flights	None

The fastest flight from Washington, D.C. to London, Ontario takes 4h 51m

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.

Search flight deals

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 4h 51m.
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.