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 4h 22m 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$ 445 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.

4:20 p.m. - 9:40 p.m.

IAD

YXU

5h 20m

1 stop

10:05 a.m. - 3:24 p.m.

YXU

IAD

5h 19m

1 stop

C$ 819Air Canada

Fri, 3 Jul - Fri, 10 Jul

9:40 a.m. - 3:06 p.m.

DCA

YXU

5h 26m

1 stop

3:25 p.m. - 7:57 p.m.

YXU

DCA

4h 32m

1 stop

C$ 906Air Canada

Thu, 5 Nov - Fri, 6 Nov

9:55 a.m. - 3:06 p.m.

IAD

YXU

5h 11m

1 stop

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

YXU

IAD

6h 05m

1 stop

C$ 906Air Canada

Thu, 5 Nov - Fri, 6 Nov

9:40 a.m. - 3:06 p.m.

DCA

YXU

5h 26m

1 stop

3:25 p.m. - 7:57 p.m.

YXU

DCA

4h 32m

1 stop

C$ 908Air Canada

Thu, 5 Nov - Fri, 6 Nov

9:40 a.m. - 3:06 p.m.

DCA

YXU

5h 26m

1 stop

5:45 a.m. - 12:19 p.m.

YXU

DCA

6h 34m

2 stops

C$ 915Air Canada

Thu, 5 Nov - Fri, 6 Nov

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$ 919Air Canada

Thu, 5 Nov - Fri, 6 Nov

12:55 p.m. - 9:46 p.m.

DCA

YXU

8h 51m

2 stops

5:45 a.m. - 12:19 p.m.

YXU

DCA

6h 34m

2 stops

C$ 922Air Canada

Thu, 5 Nov - Fri, 6 Nov

11:00 a.m. - 9:46 p.m.

DCA

YXU

10h 46m

2 stops

5:45 a.m. - 12:19 p.m.

YXU

DCA

6h 34m

2 stops

C$ 926Air Canada

Thu, 5 Nov - Fri, 6 Nov

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

IAD

YXU

5h 03m

1 stop

5:10 a.m. - 11:11 a.m.

YXU

IAD

6h 01m

1 stop

C$ 1,104Multiple Airlines

Fri, 5 Jun - Sat, 13 Jun

10:29 p.m. - 2:58 p.m.

IAD

YXU

16h 29m

2 stops

10:05 a.m. - 3:29 p.m.

YXU

IAD

5h 24m

1 stop

C$ 1,111United Airlines

Fri, 5 Jun - Sat, 13 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

3 Jul

IAD4:20 p.m.Washington, D.C. Dulles Intl

5h 20m

1 stop

YXU9:40 p.m.London

10 Jul

YXU10:05 a.m.London

5h 19m

1 stop

IAD3:24 p.m.Washington, D.C. Dulles Intl

C$ 819

Air Canada

5 Nov

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

5h 26m

1 stop

YXU3:06 p.m.London

6 Nov

YXU3:25 p.m.London

4h 32m

1 stop

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

C$ 906

Air Canada

5 Nov

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

5h 26m

1 stop

YXU3:06 p.m.London

6 Nov

YXU5:45 a.m.London

6h 34m

2 stops

DCA12:19 p.m.Washington, D.C. Reagan-National

C$ 915

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

5 Jun

IAD10:29 p.m.Washington, D.C. Dulles Intl

16h 29m

2 stops

YXU2:58 p.m.London

13 Jun

YXU10:05 a.m.London

5h 24m

1 stop

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

C$ 1,111

United Airlines

5 Jun

IAD10:15 p.m.Washington, D.C. Dulles Intl

16h 43m

2 stops

YXU2:58 p.m.London

13 Jun

YXU10:05 a.m.London

14h 54m

2 stops

IAD12:59 a.m.Washington, D.C. Dulles Intl

C$ 1,132

United Airlines

9 Jul

IAD8:29 a.m.Washington, D.C. Dulles Intl

24h 51m

2 stops

YXU9:20 a.m.London

13 Jul

YXU3:30 p.m.London

4h 54m

1 stop

IAD8:24 p.m.Washington, D.C. Dulles Intl

C$ 1,144

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 3/7

4:20 p.m.-9:40 p.m.

1 stop5h 20m

London

Fri 10/7

10:05 a.m.-3:24 p.m.

1 stop5h 19m

C$ 819

Quickest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 5/11

9:40 a.m.-3:06 p.m.

1 stop5h 26m

London

Fri 6/11

3:25 p.m.-7:57 p.m.

1 stop4h 32m

C$ 906

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Thu 5/11

9:55 a.m.-3:06 p.m.

1 stop5h 11m

London

Fri 6/11

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

1 stop6h 05m

C$ 906

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 5/11

9:40 a.m.-3:06 p.m.

1 stop5h 26m

London

Fri 6/11

3:25 p.m.-7:57 p.m.

1 stop4h 32m

C$ 908

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 5/11

9:40 a.m.-3:06 p.m.

1 stop5h 26m

London

Fri 6/11

5:45 a.m.-12:19 p.m.

2 stops6h 34m

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$ 919

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 5/11

12:55 p.m.-9:46 p.m.

2 stops8h 51m

London

Fri 6/11

5:45 a.m.-12:19 p.m.

2 stops6h 34m

C$ 922

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 5/11

11:00 a.m.-9:46 p.m.

2 stops10h 46m

London

Fri 6/11

5:45 a.m.-12:19 p.m.

2 stops6h 34m

C$ 926

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 5/6

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

1 stop5h 03m

London

Sat 13/6

5:10 a.m.-11:11 a.m.

1 stop6h 01m

C$ 1,104

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 5/6

10:29 p.m.-2:58 p.m.

2 stops16h 29m

London

Sat 13/6

10:05 a.m.-3:29 p.m.

1 stop5h 24m

C$ 1,111

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?

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.