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 25m on average, while flying from Baltimore to Toronto Pearson Intl Airport is 4h 51m 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$ 400 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

5:40 a.m. - 3:01 p.m.

YXU

IAD

9h 21m

2 stops

C$ 842Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

12:40 p.m. - 5:20 a.m.

DCA

YXU

16h 40m

2 stops

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

YXU

DCA

6h 20m

2 stops

C$ 855Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

6:00 a.m. - 1:50 p.m.

DCA

YXU

31h 50m

3 stops

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

YXU

DCA

6h 20m

2 stops

C$ 859Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

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

IAD

YXU

10h 20m

1 stop

3:30 p.m. - 8:24 p.m.

YXU

IAD

4h 54m

1 stop

C$ 859Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

10:14 p.m. - 1:50 p.m.

IAD

YXU

15h 36m

2 stops

5:40 a.m. - 3:01 p.m.

YXU

IAD

9h 21m

2 stops

C$ 860Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

12:40 p.m. - 5:20 a.m.

DCA

YXU

16h 40m

2 stops

3:30 p.m. - 7:57 p.m.

YXU

DCA

4h 27m

1 stop

C$ 863Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

11:00 a.m. - 2:50 p.m.

DCA

YXU

3h 50m

1 stop

6:20 p.m. - 10:31 p.m.

YXU

DCA

4h 11m

1 stop

C$ 900Air Canada

Mon, 10 Aug - Mon, 17 Aug

6:10 a.m. - 2:50 p.m.

IAD

YXU

8h 40m

2 stops

5:40 a.m. - 3:01 p.m.

YXU

IAD

9h 21m

2 stops

C$ 1,002Air Canada

Mon, 10 Aug - Mon, 17 Aug

11:00 a.m. - 2:50 p.m.

DCA

YXU

3h 50m

1 stop

3:30 p.m. - 7:59 p.m.

YXU

DCA

4h 29m

1 stop

C$ 1,015Air Canada

Tue, 22 Sep - Thu, 24 Sep

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

IAD

YXU

10h 20m

1 stop

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

YXU

IAD

12h 00m

1 stop

C$ 1,021WestJet

Mon, 10 Aug - Mon, 17 Aug

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

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

WestJet

10 Aug

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

10h 20m

1 stop

YXU5:20 a.m.London

17 Aug

YXU6:10 a.m.London

12h 00m

1 stop

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

C$ 1,021

WestJet

1 Aug

DCA6:00 a.m.Washington, D.C. Reagan-National

31h 50m

2 stops

YXU1:50 p.m.London

4 Aug

YXU2:40 p.m.London

9h 10m

2 stops

DCA11:50 p.m.Washington, D.C. Reagan-National

C$ 1,384

WestJet

8 Jul

IAD11:10 a.m.Washington, D.C. Dulles Intl

18h 10m

2 stops

YXU5:20 a.m.London

12 Jul

YXU2:40 p.m.London

8h 40m

2 stops

IAD11:20 p.m.Washington, D.C. Dulles Intl

C$ 2,148

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 Nov

DCA10:30 a.m.Washington, D.C. Reagan-National

11h 22m

2 stops

YXU9:52 p.m.London

23 Nov

YXU3:25 p.m.London

4h 33m

1 stop

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

C$ 1,181

United Airlines

17 Nov

DCA2:00 p.m.Washington, D.C. Reagan-National

7h 52m

2 stops

YXU9:52 p.m.London

23 Nov

YXU5:30 a.m.London

6h 23m

2 stops

DCA11:53 a.m.Washington, D.C. Reagan-National

C$ 1,204

United Airlines

10 Aug

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

9h 43m

2 stops

YXU9:40 p.m.London

17 Aug

YXU3:30 p.m.London

4h 27m

1 stop

DCA7:57 p.m.Washington, D.C. Reagan-National

C$ 1,231

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 10/8

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

1 stop10h 20m

London

Mon 17/8

5:40 a.m.-3:01 p.m.

2 stops9h 21m

C$ 842

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 10/8

12:40 p.m.-5:20 a.m.

2 stops16h 40m

London

Mon 17/8

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

2 stops6h 20m

C$ 855

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 10/8

6:00 a.m.-1:50 p.m.

3 stops31h 50m

London

Mon 17/8

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

2 stops6h 20m

C$ 859

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 10/8

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

1 stop10h 20m

London

Mon 17/8

3:30 p.m.-8:24 p.m.

1 stop4h 54m

C$ 859

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 10/8

10:14 p.m.-1:50 p.m.

2 stops15h 36m

London

Mon 17/8

5:40 a.m.-3:01 p.m.

2 stops9h 21m

C$ 860

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 10/8

12:40 p.m.-5:20 a.m.

2 stops16h 40m

London

Mon 17/8

3:30 p.m.-7:57 p.m.

1 stop4h 27m

C$ 863

Quickest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 10/8

11:00 a.m.-2:50 p.m.

1 stop3h 50m

London

Mon 17/8

6:20 p.m.-10:31 p.m.

1 stop4h 11m

C$ 900

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 10/8

6:10 a.m.-2:50 p.m.

2 stops8h 40m

London

Mon 17/8

5:40 a.m.-3:01 p.m.

2 stops9h 21m

C$ 1,002

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 22/9

11:00 a.m.-2:50 p.m.

1 stop3h 50m

London

Thu 24/9

3:30 p.m.-7:59 p.m.

1 stop4h 29m

C$ 1,015

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 10/8

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

1 stop10h 20m

London

Mon 17/8

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

1 stop12h 00m

C$ 1,021

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 is the most popular carrier 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.

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.