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$ 796 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

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

8:40 p.m. - 5:14 p.m.

YXU

IAD

20h 34m

2 stops

C$ 796Multiple Airlines

Mon, 17 Aug - Thu, 20 Aug

8:39 p.m. - 5:20 a.m.

IAD

YXU

32h 41m

2 stops

8:40 p.m. - 6:10 p.m.

YXU

IAD

21h 30m

1 stop

C$ 832Multiple Airlines

Thu, 20 Aug - Thu, 27 Aug

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

IAD

YXU

10h 20m

1 stop

8:40 p.m. - 6:10 p.m.

YXU

IAD

21h 30m

1 stop

C$ 876WestJet

Mon, 17 Aug - Thu, 20 Aug

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

IAD

YXU

10h 20m

1 stop

5:55 p.m. - 5:14 p.m.

YXU

IAD

23h 19m

2 stops

C$ 891Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

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$ 976WestJet

Mon, 10 Aug - Mon, 17 Aug

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

DCA

YXU

3h 55m

1 stop

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

YXU

DCA

4h 30m

1 stop

C$ 1,016Air Canada

Tue, 13 Oct - Fri, 16 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$ 1,016Air Canada

Tue, 13 Oct - Fri, 16 Oct

12:40 p.m. - 9:40 p.m.

DCA

YXU

9h 00m

2 stops

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

YXU

DCA

4h 30m

1 stop

C$ 1,023Air Canada

Tue, 13 Oct - Fri, 16 Oct

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

IAD

YXU

10h 20m

1 stop

8:40 p.m. - 3:10 p.m.

YXU

IAD

18h 30m

3 stops

C$ 1,026Multiple Airlines

Mon, 17 Aug - Thu, 20 Aug

11:57 a.m. - 9:40 p.m.

DCA

YXU

9h 43m

2 stops

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

YXU

DCA

4h 27m

1 stop

C$ 1,232United Airlines

Mon, 10 Aug - Mon, 17 Aug

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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

13 Oct

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

3h 55m

1 stop

YXU2:55 p.m.London

16 Oct

YXU3:30 p.m.London

4h 30m

1 stop

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

C$ 1,016

Air Canada

13 Oct

DCA12:40 p.m.Washington, D.C. Reagan-National

9h 00m

2 stops

YXU9:40 p.m.London

16 Oct

YXU3:30 p.m.London

4h 30m

1 stop

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

C$ 1,023

Air Canada

13 Oct

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

5h 40m

1 stop

YXU9:40 p.m.London

16 Oct

YXU5:40 a.m.London

9h 20m

2 stops

IAD3:00 p.m.Washington, D.C. Dulles Intl

C$ 1,028

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

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

WestJet

17 Aug

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

10h 20m

1 stop

YXU5:20 a.m.London

20 Aug

YXU8:40 p.m.London

21h 30m

1 stop

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

C$ 876

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$ 976

WestJet

21 Aug

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

10h 20m

1 stop

YXU5:20 a.m.London

24 Aug

YXU6:10 a.m.London

12h 00m

1 stop

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

C$ 1,436

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 17/8

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

1 stop10h 20m

London

Thu 20/8

8:40 p.m.-5:14 p.m.

2 stops20h 34m

C$ 796

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Thu 20/8

8:39 p.m.-5:20 a.m.

2 stops32h 41m

London

Thu 27/8

8:40 p.m.-6:10 p.m.

1 stop21h 30m

C$ 832

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 17/8

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

1 stop10h 20m

London

Thu 20/8

8:40 p.m.-6:10 p.m.

1 stop21h 30m

C$ 876

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

5:55 p.m.-5:14 p.m.

2 stops23h 19m

C$ 891

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$ 976

Quickest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 13/10

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

1 stop3h 55m

London

Fri 16/10

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

1 stop4h 30m

C$ 1,016

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 13/10

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

1 stop5h 00m

London

Fri 16/10

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

1 stop4h 55m

C$ 1,016

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Tue 13/10

12:40 p.m.-9:40 p.m.

2 stops9h 00m

London

Fri 16/10

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

1 stop4h 30m

C$ 1,023

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 17/8

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

1 stop10h 20m

London

Thu 20/8

8:40 p.m.-3:10 p.m.

3 stops18h 30m

C$ 1,026

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 10/8

11:57 a.m.-9:40 p.m.

2 stops9h 43m

London

Mon 17/8

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

1 stop4h 27m

C$ 1,232

Flights are sorted by cheapest round-trip flights first.

Sorted 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

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 35m on average. Toronto Pearson Intl Airport is the most popular airport in London, Ontario.

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.