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Cheap flights from Washington, D.C. to London, Ontario from C$ 1,081

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to London, Ontario departing on 21/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. to London.

Cheap last-minute flights

Planning a quick getaway from Washington, D.C. to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. to London

Find recent round-trip train or bus tickets from Washington, D.C. to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
2:35 p.m. - 8:20 p.m.IAD-YXU
5h 45m1 stop
9:55 a.m. - 4:26 p.m.YXU-IAD
6h 31m1 stop
C$ 1,081
Find Deal
Tue, 21 Jan - Tue, 28 Jan
8:25 a.m. - 8:20 p.m.IAD-YXU
11h 55m2 stops
9:55 a.m. - 4:26 p.m.YXU-IAD
6h 31m1 stop
C$ 1,096
Find Deal
Tue, 21 Jan - Tue, 28 Jan
12:55 p.m. - 8:20 p.m.DCA-YXU
7h 25m2 stops
5:10 a.m. - 6:07 p.m.YXU-DCA
12h 57m1 stop
C$ 1,120Air Canada
Find Deal
Tue, 21 Jan - Tue, 28 Jan
10:35 a.m. - 2:50 p.m.IAD-YXU
4h 15m1 stop
5:45 a.m. - 11:39 a.m.YXU-IAD
5h 54m1 stop
C$ 1,126
Find Deal
Fri, 7 Feb - Fri, 14 Feb
8:18 a.m. - 8:20 p.m.IAD-YXU
12h 02m2 stops
3:25 p.m. - 9:23 p.m.YXU-IAD
5h 58m1 stop
C$ 1,133
Find Deal
Fri, 7 Feb - Fri, 14 Feb
9:40 a.m. - 2:50 p.m.DCA-YXU
5h 10m1 stop
3:25 p.m. - 7:57 p.m.YXU-DCA
4h 32m1 stop
C$ 1,142Air Canada
Find Deal
Fri, 7 Feb - Fri, 14 Feb
11:10 a.m. - 8:20 p.m.DCA-YXU
9h 10m2 stops
3:25 p.m. - 7:57 p.m.YXU-DCA
4h 32m1 stop
C$ 1,149Air Canada
Find Deal
Fri, 7 Feb - Fri, 14 Feb
9:40 a.m. - 2:50 p.m.DCA-YXU
5h 10m1 stop
3:25 p.m. - 7:57 p.m.YXU-DCA
4h 32m1 stop
C$ 1,155United Airlines
Find Deal
Fri, 7 Feb - Fri, 14 Feb
6:05 a.m. - 2:50 p.m.IAD-YXU
8h 45m2 stops
9:55 a.m. - 4:24 p.m.YXU-IAD
6h 29m1 stop
C$ 1,168United Airlines
Find Deal
Fri, 7 Feb - Fri, 14 Feb
9:40 a.m. - 2:50 p.m.DCA-YXU
5h 10m1 stop
3:25 p.m. - 11:57 p.m.YXU-DCA
8h 32m2 stops
C$ 1,176United Airlines
Find Deal
Sat, 8 Feb - Sat, 15 Feb
WAS-YXU
923 kmmulti-stop
Multiple Airlines
Find Deal

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
21 Jan
DCA12:55 p.m.Washington, D.C. Reagan-National
7h 25m
2 stops
YXU8:20 p.m.London
28 Jan
YXU5:10 a.m.London
12h 57m
1 stop
DCA6:07 p.m.Washington, D.C. Reagan-National
C$ 1,120
Find similar
Air Canada
7 Feb
DCA9:40 a.m.Washington, D.C. Reagan-National
5h 10m
1 stop
YXU2:50 p.m.London
14 Feb
YXU3:25 p.m.London
4h 32m
1 stop
DCA7:57 p.m.Washington, D.C. Reagan-National
C$ 1,142
Find similar
Air Canada
7 Feb
DCA11:10 a.m.Washington, D.C. Reagan-National
9h 10m
2 stops
YXU8:20 p.m.London
14 Feb
YXU3:25 p.m.London
4h 32m
1 stop
DCA7:57 p.m.Washington, D.C. Reagan-National
C$ 1,149
Find similar

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
7 Feb
DCA9:40 a.m.Washington, D.C. Reagan-National
5h 10m
1 stop
YXU2:50 p.m.London
14 Feb
YXU3:25 p.m.London
4h 32m
1 stop
DCA7:57 p.m.Washington, D.C. Reagan-National
C$ 1,155
Find similar
United Airlines
7 Feb
IAD6:05 a.m.Washington, D.C. Dulles Intl
8h 45m
2 stops
YXU2:50 p.m.London
14 Feb
YXU9:55 a.m.London
6h 29m
1 stop
IAD4:24 p.m.Washington, D.C. Dulles Intl
C$ 1,168
Find similar
United Airlines
8 Feb
DCA9:40 a.m.Washington, D.C. Reagan-National
5h 10m
1 stop
YXU2:50 p.m.London
15 Feb
YXU3:25 p.m.London
8h 32m
2 stops
DCA11:57 p.m.Washington, D.C. Reagan-National
C$ 1,176
Find similar

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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

Best price found

C$ 1,081

Fastest flight time

4h 15m

Direct flights

None

Airports in London, Ontario

1 airport
The best flight deal from Washington, D.C. to London, Ontario found on momondo in the last 72 hours is C$ 1,081
The fastest flight from Washington, D.C. to London, Ontario takes 4h 15m
There are no direct flights from Washington, D.C. to London, Ontario. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - London Airport and Washington, D.C. Dulles Intl Airport - London Airport.
There is 1 airport near London, Ontario: London (YXU)

  • 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 4h 15m.

  • 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.


  • How do I get Price Alerts for flights from Washington, D.C. to London, Ontario?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Washington, D.C. from London, Ontario. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Washington, D.C. to London, Ontario with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.


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.


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