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 46m 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$ 414 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.

9:55 a.m. - 2:57 p.m.

IAD

YXU

5h 02m

1 stop

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

YXU

IAD

4h 54m

1 stop

C$ 790Air Canada

Thu, 25 Jun - Wed, 1 Jul

9:55 a.m. - 2:57 p.m.

IAD

YXU

5h 02m

1 stop

8:40 p.m. - 3:24 p.m.

YXU

IAD

18h 44m

2 stops

C$ 900Multiple Airlines

Thu, 25 Jun - Wed, 1 Jul

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$ 903Air Canada

Sat, 3 Oct - Sat, 10 Oct

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

IAD

YXU

5h 00m

1 stop

3:30 p.m. - 8:25 p.m.

YXU

IAD

4h 55m

1 stop

C$ 903Air Canada

Sat, 3 Oct - Sat, 10 Oct

6:59 a.m. - 11:43 a.m.

DCA

YXU

4h 44m

1 stop

5:10 a.m. - 8:53 a.m.

YXU

DCA

3h 43m

1 stop

C$ 944Air Canada

Fri, 29 May - Tue, 2 Jun

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

IAD

YXU

5h 33m

1 stop

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

YXU

IAD

4h 59m

1 stop

C$ 944Air Canada

Wed, 3 Jun - Sat, 6 Jun

6:59 a.m. - 11:43 a.m.

DCA

YXU

4h 44m

1 stop

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

YXU

DCA

6h 51m

2 stops

C$ 951Air Canada

Fri, 29 May - Tue, 2 Jun

6:00 a.m. - 2:57 p.m.

DCA

YXU

8h 57m

2 stops

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

YXU

DCA

4h 27m

1 stop

C$ 955Air Canada

Fri, 26 Jun - Fri, 3 Jul

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

IAD

YXU

5h 03m

1 stop

5:10 a.m. - 3:03 p.m.

YXU

IAD

9h 53m

2 stops

C$ 955Air Canada

Wed, 3 Jun - Sat, 6 Jun

6:45 a.m. - 5:45 p.m.

IAD

YXU

11h 00m

2 stops

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

YXU

IAD

5h 20m

1 stop

C$ 1,064United Airlines

Sat, 3 Oct - Sat, 10 Oct

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

25 Jun

IAD9:55 a.m.Washington, D.C. Dulles Intl

5h 02m

1 stop

YXU2:57 p.m.London

1 Jul

YXU3:30 p.m.London

4h 54m

1 stop

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

C$ 790

Air Canada

3 Oct

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

3h 55m

1 stop

YXU2:55 p.m.London

10 Oct

YXU6:20 p.m.London

4h 14m

1 stop

DCA10:34 p.m.Washington, D.C. Reagan-National

C$ 903

Air Canada

29 May

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

4h 44m

1 stop

YXU11:43 a.m.London

2 Jun

YXU5:10 a.m.London

3h 43m

1 stop

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

C$ 944

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

25 Sep

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

3h 55m

1 stop

YXU2:55 p.m.London

27 Sep

YXU6:20 p.m.London

4h 14m

1 stop

DCA10:34 p.m.Washington, D.C. Reagan-National

C$ 1,050

United Airlines

3 Oct

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

8h 25m

2 stops

YXU2:55 p.m.London

10 Oct

YXU6:20 p.m.London

4h 14m

1 stop

DCA10:34 p.m.Washington, D.C. Reagan-National

C$ 1,064

United Airlines

3 Oct

DCA7:30 a.m.Washington, D.C. Reagan-National

10h 15m

2 stops

YXU5:45 p.m.London

10 Oct

YXU10:05 a.m.London

9h 43m

2 stops

DCA7:48 p.m.Washington, D.C. Reagan-National

C$ 1,085

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

Thu 25/6

9:55 a.m.-2:57 p.m.

1 stop5h 02m

London

Wed 1/7

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

1 stop4h 54m

C$ 790

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Thu 25/6

9:55 a.m.-2:57 p.m.

1 stop5h 02m

London

Wed 1/7

8:40 p.m.-3:24 p.m.

2 stops18h 44m

C$ 900

Quickest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sat 3/10

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

1 stop3h 55m

London

Sat 10/10

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

1 stop4h 14m

C$ 903

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Sat 3/10

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

1 stop5h 00m

London

Sat 10/10

3:30 p.m.-8:25 p.m.

1 stop4h 55m

C$ 903

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 29/5

6:59 a.m.-11:43 a.m.

1 stop4h 44m

London

Tue 2/6

5:10 a.m.-8:53 a.m.

1 stop3h 43m

C$ 944

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Wed 3/6

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

1 stop5h 33m

London

Sat 6/6

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

1 stop4h 59m

C$ 944

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 29/5

6:59 a.m.-11:43 a.m.

1 stop4h 44m

London

Tue 2/6

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

2 stops6h 51m

C$ 951

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 26/6

6:00 a.m.-2:57 p.m.

2 stops8h 57m

London

Fri 3/7

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

1 stop4h 27m

C$ 955

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Wed 3/6

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

1 stop5h 03m

London

Sat 6/6

5:10 a.m.-3:03 p.m.

2 stops9h 53m

C$ 955

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Sat 3/10

6:45 a.m.-5:45 p.m.

2 stops11h 00m

London

Sat 10/10

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

1 stop5h 20m

C$ 1,064

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 58m
Direct flights	None

The fastest flight from Washington, D.C. to London, Ontario takes 3h 58m

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 58m.
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.