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 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$ 281 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

YXU

10h 20m

1 stop

6:10 a.m. - 5:18 p.m.

YXU

IAD

35h 08m

2 stops

C$ 797Multiple Airlines

Mon, 7 Sep - Sun, 13 Sep

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

IAD

YXU

10h 20m

1 stop

6:10 a.m. - 5:36 p.m.

YXU

IAD

35h 26m

2 stops

C$ 800Multiple Airlines

Mon, 7 Sep - Sun, 13 Sep

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

IAD

YXU

10h 20m

1 stop

6:10 a.m. - 5:18 p.m.

YXU

IAD

35h 08m

2 stops

C$ 987Multiple Airlines

Mon, 7 Sep - Sun, 13 Sep

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

IAD

YXU

10h 20m

1 stop

6:10 a.m. - 3:10 p.m.

YXU

IAD

33h 00m

3 stops

C$ 1,006Multiple Airlines

Mon, 7 Sep - Sun, 13 Sep

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

IAD

YXU

10h 20m

1 stop

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

YXU

IAD

28h 35m

3 stops

C$ 1,020Multiple Airlines

Mon, 7 Sep - Sun, 13 Sep

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

IAD

YXU

10h 20m

1 stop

6:10 a.m. - 3:10 p.m.

YXU

IAD

33h 00m

3 stops

C$ 1,022Multiple Airlines

Mon, 7 Sep - Sun, 13 Sep

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

IAD

YXU

5h 00m

1 stop

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

YXU

IAD

5h 20m

1 stop

C$ 1,187Air Canada

Fri, 16 Oct - Tue, 20 Oct

9:40 a.m. - 2:47 p.m.

DCA

YXU

5h 07m

1 stop

3:25 p.m. - 7:58 p.m.

YXU

DCA

4h 33m

1 stop

C$ 1,187Air Canada

Wed, 18 Nov - Sat, 21 Nov

12:55 p.m. - 9:52 p.m.

DCA

YXU

8h 57m

2 stops

3:25 p.m. - 7:58 p.m.

YXU

DCA

4h 33m

1 stop

C$ 1,196Air Canada

Wed, 18 Nov - Sat, 21 Nov

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

IAD

YXU

5h 40m

1 stop

10:05 a.m. - 7:00 p.m.

YXU

IAD

8h 55m

2 stops

C$ 1,200Air Canada

Fri, 16 Oct - Tue, 20 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

11 Sep

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

3h 50m

1 stop

YXU2:50 p.m.London

18 Sep

YXU3:30 p.m.London

4h 29m

1 stop

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

C$ 1,340

United Airlines

11 Sep

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

8h 20m

2 stops

YXU2:50 p.m.London

18 Sep

YXU3:30 p.m.London

4h 29m

1 stop

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

C$ 1,354

United Airlines

11 Sep

DCA7:46 a.m.Washington, D.C. Reagan-National

7h 04m

2 stops

YXU2:50 p.m.London

18 Sep

YXU10:05 a.m.London

8h 04m

2 stops

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

C$ 1,375

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

18 Nov

DCA9:40 a.m.Washington, D.C. Reagan-National

5h 07m

1 stop

YXU2:47 p.m.London

21 Nov

YXU3:25 p.m.London

4h 33m

1 stop

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

C$ 1,187

Air Canada

18 Nov

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

8h 57m

2 stops

YXU9:52 p.m.London

21 Nov

YXU3:25 p.m.London

4h 33m

1 stop

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

C$ 1,196

Air Canada

16 Oct

IAD4:00 p.m.Washington, D.C. Dulles Intl

5h 40m

1 stop

YXU9:40 p.m.London

20 Oct

YXU10:05 a.m.London

8h 55m

2 stops

IAD7:00 p.m.Washington, D.C. Dulles Intl

C$ 1,200

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

Mon 7/9

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

1 stop10h 20m

London

Sun 13/9

6:10 a.m.-5:18 p.m.

2 stops35h 08m

C$ 797

Washington, D.C.London

IAD - YXU

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.-5:36 p.m.

2 stops35h 26m

C$ 800

Washington, D.C.London

IAD - YXU

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.-5:18 p.m.

2 stops35h 08m

C$ 987

Washington, D.C.London

IAD - YXU

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.-3:10 p.m.

3 stops33h 00m

C$ 1,006

Washington, D.C.London

IAD - YXU

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$ 1,020

Washington, D.C.London

IAD - YXU

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.-3:10 p.m.

3 stops33h 00m

C$ 1,022

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 16/10

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

1 stop5h 00m

London

Tue 20/10

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

1 stop5h 20m

C$ 1,187

Quickest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Wed 18/11

9:40 a.m.-2:47 p.m.

1 stop5h 07m

London

Sat 21/11

3:25 p.m.-7:58 p.m.

1 stop4h 33m

C$ 1,187

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Wed 18/11

12:55 p.m.-9:52 p.m.

2 stops8h 57m

London

Sat 21/11

3:25 p.m.-7:58 p.m.

1 stop4h 33m

C$ 1,196

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 16/10

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

1 stop5h 40m

London

Tue 20/10

10:05 a.m.-7:00 p.m.

2 stops8h 55m

C$ 1,200

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?

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

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.

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 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.