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 3h 50m 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$ 405 Cheap Flights from Washington, D.C. to London, Ontario 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.

11:00 a.m. - 2:55 p.m.

DCA

YXU

3h 55m

1 stop

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

YXU

DCA

4h 14m

1 stop

C$ 907Air Canada

Fri, 18 Sep - Sun, 20 Sep

4:30 p.m. - 9:46 p.m.

IAD

YXU

5h 16m

1 stop

9:45 a.m. - 3:50 p.m.

YXU

IAD

6h 05m

1 stop

C$ 907Air Canada

Thu, 5 Nov - Fri, 6 Nov

11:00 a.m. - 2:55 p.m.

DCA

YXU

3h 55m

1 stop

5:40 a.m. - 12:00 p.m.

YXU

DCA

6h 20m

2 stops

C$ 915Air Canada

Thu, 24 Sep - Mon, 28 Sep

4:30 p.m. - 9:46 p.m.

IAD

YXU

5h 16m

1 stop

9:45 a.m. - 8:23 p.m.

YXU

IAD

10h 38m

2 stops

C$ 920Air Canada

Thu, 5 Nov - Fri, 6 Nov

6:00 a.m. - 2:55 p.m.

DCA

YXU

8h 55m

2 stops

5:40 a.m. - 12:00 p.m.

YXU

DCA

6h 20m

2 stops

C$ 926Air Canada

Thu, 24 Sep - Mon, 28 Sep

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

DCA

YXU

3h 58m

1 stop

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

YXU

DCA

4h 28m

1 stop

C$ 949Air Canada

Sun, 14 Jun - Mon, 15 Jun

10:27 a.m. - 9:40 p.m.

DCA

YXU

11h 13m

2 stops

3:30 p.m. - 8:00 p.m.

YXU

DCA

4h 30m

1 stop

C$ 1,070United Airlines

Fri, 18 Sep - Sun, 20 Sep

6:15 a.m. - 2:55 p.m.

IAD

YXU

8h 40m

2 stops

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

YXU

IAD

5h 20m

1 stop

C$ 1,070United Airlines

Fri, 18 Sep - Sun, 20 Sep

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

IAD

YXU

10h 20m

1 stop

5:55 p.m. - 12:28 a.m.

YXU

IAD

30h 33m

2 stops

C$ 1,073Multiple Airlines

Mon, 7 Sep - Mon, 14 Sep

7:00 a.m. - 3:06 p.m.

DCA

YXU

8h 06m

2 stops

5:45 a.m. - 3:53 p.m.

YXU

DCA

10h 08m

2 stops

C$ 1,091United Airlines

Sun, 22 Nov - Fri, 27 Nov

WestJet flights from Washington, D.C. to London, Ontario

Our best WestJet deals on Washington, D.C. to London, Ontario flight tickets

WestJet

7 Sep

DCA6:05 a.m.Washington, D.C. Reagan-National

31h 45m

2 stops

YXU1:50 p.m.London

14 Sep

YXU6:10 a.m.London

14h 25m

2 stops

DCA8:35 p.m.Washington, D.C. Reagan-National

C$ 1,586

WestJet

13 Jul

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

10h 20m

1 stop

YXU5:20 a.m.London

16 Jul

YXU8:40 p.m.London

21h 30m

1 stop

IAD6:10 p.m.Washington, D.C. Dulles Intl

C$ 1,616

WestJet

2 Jul

DCA6:59 p.m.Washington, D.C. Reagan-National

18h 51m

2 stops

YXU1:50 p.m.London

6 Jul

YXU6:10 a.m.London

17h 16m

2 stops

DCA11:26 p.m.Washington, D.C. Reagan-National

C$ 1,676

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

18 Sep

DCA10:27 a.m.Washington, D.C. Reagan-National

11h 13m

2 stops

YXU9:40 p.m.London

20 Sep

YXU3:30 p.m.London

4h 30m

1 stop

DCA8:00 p.m.Washington, D.C. Reagan-National

C$ 1,070

United Airlines

18 Sep

IAD6:15 a.m.Washington, D.C. Dulles Intl

8h 40m

2 stops

YXU2:55 p.m.London

20 Sep

YXU3:30 p.m.London

7h 29m

2 stops

IAD10:59 p.m.Washington, D.C. Dulles Intl

C$ 1,091

United Airlines

11 Jul

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

3h 55m

1 stop

YXU2:55 p.m.London

18 Jul

YXU6:20 p.m.London

4h 11m

1 stop

DCA10:31 p.m.Washington, D.C. Reagan-National

C$ 1,098

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

Quickest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 18/9

11:00 a.m.-2:55 p.m.

1 stop3h 55m

London

Sun 20/9

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

1 stop4h 14m

C$ 907

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Thu 5/11

4:30 p.m.-9:46 p.m.

1 stop5h 16m

London

Fri 6/11

9:45 a.m.-3:50 p.m.

1 stop6h 05m

C$ 907

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 24/9

11:00 a.m.-2:55 p.m.

1 stop3h 55m

London

Mon 28/9

5:40 a.m.-12:00 p.m.

2 stops6h 20m

C$ 915

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Thu 5/11

4:30 p.m.-9:46 p.m.

1 stop5h 16m

London

Fri 6/11

9:45 a.m.-8:23 p.m.

2 stops10h 38m

C$ 920

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 24/9

6:00 a.m.-2:55 p.m.

2 stops8h 55m

London

Mon 28/9

5:40 a.m.-12:00 p.m.

2 stops6h 20m

C$ 926

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sun 14/6

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

1 stop3h 58m

London

Mon 15/6

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

1 stop4h 28m

C$ 949

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 18/9

10:27 a.m.-9:40 p.m.

2 stops11h 13m

London

Sun 20/9

3:30 p.m.-8:00 p.m.

1 stop4h 30m

C$ 1,070

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 18/9

6:15 a.m.-2:55 p.m.

2 stops8h 40m

London

Sun 20/9

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

1 stop5h 20m

C$ 1,070

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

Mon 14/9

5:55 p.m.-12:28 a.m.

2 stops30h 33m

C$ 1,073

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sun 22/11

7:00 a.m.-3:06 p.m.

2 stops8h 06m

London

Fri 27/11

5:45 a.m.-3:53 p.m.

2 stops10h 08m

C$ 1,091

Flights are sorted by cheapest round-trip flights first.

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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, United Airlines, and WestJet 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 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.

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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 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.