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 4h 23m 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$ 378 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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:05 p.m. - 9:38 p.m.

IAD

YXU

5h 33m

1 stop

9:30 a.m. - 3:29 p.m.

YXU

IAD

5h 59m

1 stop

C$ 835Air Canada

Fri, 1 May - Sat, 9 May

4:05 p.m. - 9:38 p.m.

IAD

YXU

5h 33m

1 stop

9:30 a.m. - 6:58 p.m.

YXU

IAD

9h 28m

2 stops

C$ 848Air Canada

Fri, 1 May - Sat, 9 May

9:45 a.m. - 5:33 p.m.

IAD

YXU

7h 48m

2 stops

9:30 a.m. - 6:58 p.m.

YXU

IAD

9h 28m

2 stops

C$ 859Air Canada

Tue, 2 Jun - Fri, 5 Jun

11:00 a.m. - 2:58 p.m.

DCA

YXU

3h 58m

1 stop

6:10 p.m. - 10:28 p.m.

YXU

DCA

4h 18m

1 stop

C$ 866Air Canada

Tue, 2 Jun - Fri, 5 Jun

9:55 a.m. - 2:58 p.m.

IAD

YXU

5h 03m

1 stop

3:30 p.m. - 8:29 p.m.

YXU

IAD

4h 59m

1 stop

C$ 866Air Canada

Tue, 2 Jun - Fri, 5 Jun

12:45 p.m. - 9:38 p.m.

DCA

YXU

8h 53m

2 stops

3:30 p.m. - 7:58 p.m.

YXU

DCA

4h 28m

1 stop

C$ 873Air Canada

Tue, 2 Jun - Fri, 5 Jun

9:45 a.m. - 5:33 p.m.

IAD

YXU

7h 48m

2 stops

9:30 a.m. - 3:29 p.m.

YXU

IAD

5h 59m

1 stop

C$ 877Air Canada

Tue, 2 Jun - Fri, 5 Jun

12:45 p.m. - 9:38 p.m.

DCA

YXU

8h 53m

2 stops

5:10 a.m. - 12:01 p.m.

YXU

DCA

6h 51m

2 stops

C$ 880Air Canada

Fri, 1 May - Sat, 9 May

6:00 a.m. - 2:58 p.m.

DCA

YXU

8h 58m

2 stops

5:10 a.m. - 12:01 p.m.

YXU

DCA

6h 51m

2 stops

C$ 885Air Canada

Tue, 2 Jun - Fri, 5 Jun

9:45 a.m. - 5:33 p.m.

IAD

YXU

7h 48m

2 stops

9:30 a.m. - 6:58 p.m.

YXU

IAD

9h 28m

2 stops

C$ 889Air Canada

Tue, 2 Jun - Fri, 5 Jun

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

2 Jun

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

3h 58m

1 stop

YXU2:58 p.m.London

5 Jun

YXU6:10 p.m.London

4h 18m

1 stop

DCA10:28 p.m.Washington, D.C. Reagan-National

C$ 866

Air Canada

2 Jun

DCA12:45 p.m.Washington, D.C. Reagan-National

8h 53m

2 stops

YXU9:38 p.m.London

5 Jun

YXU3:30 p.m.London

4h 28m

1 stop

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

C$ 873

Air Canada

2 Jun

IAD9:45 a.m.Washington, D.C. Dulles Intl

7h 48m

2 stops

YXU5:33 p.m.London

5 Jun

YXU9:30 a.m.London

5h 59m

1 stop

IAD3:29 p.m.Washington, D.C. Dulles Intl

C$ 877

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

12 Jun

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

3h 58m

1 stop

YXU2:58 p.m.London

17 Jun

YXU5:10 a.m.London

3h 43m

1 stop

DCA8:53 a.m.Washington, D.C. Reagan-National

C$ 998

United Airlines

24 May

DCA11:57 a.m.Washington, D.C. Reagan-National

9h 41m

2 stops

YXU9:38 p.m.London

31 May

YXU12:20 p.m.London

5h 53m

1 stop

DCA6:13 p.m.Washington, D.C. Reagan-National

C$ 1,043

United Airlines

20 May

IAD6:00 a.m.Washington, D.C. Dulles Intl

11h 33m

2 stops

YXU5:33 p.m.London

27 May

YXU12:20 p.m.London

3h 53m

1 stop

IAD4:13 p.m.Washington, D.C. Dulles Intl

C$ 1,047

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 - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 1/5

4:05 p.m.-9:38 p.m.

1 stop5h 33m

London

Sat 9/5

9:30 a.m.-3:29 p.m.

1 stop5h 59m

C$ 835

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 1/5

4:05 p.m.-9:38 p.m.

1 stop5h 33m

London

Sat 9/5

9:30 a.m.-6:58 p.m.

2 stops9h 28m

C$ 848

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 2/6

9:45 a.m.-5:33 p.m.

2 stops7h 48m

London

Fri 5/6

9:30 a.m.-6:58 p.m.

2 stops9h 28m

C$ 859

Quickest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 2/6

11:00 a.m.-2:58 p.m.

1 stop3h 58m

London

Fri 5/6

6:10 p.m.-10:28 p.m.

1 stop4h 18m

C$ 866

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 2/6

9:55 a.m.-2:58 p.m.

1 stop5h 03m

London

Fri 5/6

3:30 p.m.-8:29 p.m.

1 stop4h 59m

C$ 866

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 2/6

12:45 p.m.-9:38 p.m.

2 stops8h 53m

London

Fri 5/6

3:30 p.m.-7:58 p.m.

1 stop4h 28m

C$ 873

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 2/6

9:45 a.m.-5:33 p.m.

2 stops7h 48m

London

Fri 5/6

9:30 a.m.-3:29 p.m.

1 stop5h 59m

C$ 877

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 1/5

12:45 p.m.-9:38 p.m.

2 stops8h 53m

London

Sat 9/5

5:10 a.m.-12:01 p.m.

2 stops6h 51m

C$ 880

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 2/6

6:00 a.m.-2:58 p.m.

2 stops8h 58m

London

Fri 5/6

5:10 a.m.-12:01 p.m.

2 stops6h 51m

C$ 885

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 2/6

9:45 a.m.-5:33 p.m.

2 stops7h 48m

London

Fri 5/6

9:30 a.m.-6:58 p.m.

2 stops9h 28m

C$ 889

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 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 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 76% 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 55m
Direct flights	None

The fastest flight from Washington, D.C. to London, Ontario takes 3h 55m

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

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 55m.
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.