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Cheap flights from Washington, D.C. to London from C$ 810

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 departing on 29/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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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.
 Logo
12:49 p.m. - 5:14 a.m.IAD-YXU
16h 25m3 stops
 Logo
8:00 p.m. - 5:54 p.m.YXU-IAD
21h 54m1 stop
C$ 810
Find Deal
Thu, 29 May - Sun, 1 Jun
 Logo
12:49 p.m. - 5:14 a.m.IAD-YXU
16h 25m3 stops
 Logo
8:00 p.m. - 3:06 p.m.YXU-IAD
19h 06m2 stops
C$ 930
Find Deal
Thu, 29 May - Sun, 1 Jun
 Logo
6:00 a.m. - 5:14 a.m.IAD-YXU
47h 14m3 stops
 Logo
9:45 p.m. - 8:52 p.m.YXU-IAD
23h 07m3 stops
C$ 949
Find Deal
Fri, 13 Jun - Fri, 20 Jun
 Logo
10:11 p.m. - 9:18 a.m.IAD-YXU
11h 07m1 stop
 Logo
9:55 a.m. - 1:41 p.m.YXU-IAD
3h 46m1 stop
C$ 963
Find Deal
Thu, 29 May - Sun, 1 Jun
Air Canada Logo
8:18 a.m. - 3:03 p.m.IAD-YXU
6h 45m2 stops
Air Canada Logo
6:15 a.m. - 11:39 a.m.YXU-IAD
5h 24m1 stop
C$ 1,032Air Canada
Find Deal
Thu, 29 May - Sun, 1 Jun
 Logo
12:49 p.m. - 5:14 a.m.IAD-YXU
16h 25m3 stops
 Logo
8:00 p.m. - 3:06 p.m.YXU-IAD
19h 06m3 stops
C$ 1,063
Find Deal
Thu, 29 May - Sun, 1 Jun
Air Canada Logo
11:00 a.m. - 3:03 p.m.DCA-YXU
4h 03m1 stop
Air Canada Logo
3:45 p.m. - 6:03 p.m.YXU-DCA
26h 18m1 stop
C$ 1,072Air Canada
Find Deal
Thu, 22 May - Mon, 26 May
United Airlines Logo
10:15 p.m. - 3:03 p.m.IAD-YXU
16h 48m2 stops
United Airlines Logo
6:15 a.m. - 11:39 a.m.YXU-IAD
5h 24m1 stop
C$ 1,213United Airlines
Find Deal
Thu, 29 May - Sun, 1 Jun
United Airlines Logo
5:12 p.m. - 9:28 p.m.IAD-YXU
4h 16m1 stop
United Airlines Logo
9:55 a.m. - 1:41 p.m.YXU-IAD
3h 46m1 stop
C$ 1,275United Airlines
Find Deal
Thu, 29 May - Sun, 1 Jun
WestJet Logo
6:00 a.m. - 7:10 p.m.DCA-YXU
13h 10m2 stops
WestJet Logo
8:00 p.m. - 11:00 a.m.YXU-DCA
15h 00m2 stops
C$ 2,089WestJet
Find Deal
Thu, 29 May - Sun, 1 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
29 May
IAD8:18 a.m.Washington, D.C. Dulles Intl
6h 45m
2 stops
YXU3:03 p.m.London
1 Jun
YXU6:15 a.m.London
5h 24m
1 stop
IAD11:39 a.m.Washington, D.C. Dulles Intl
C$ 1,032
Find similar
Air Canada
22 May
DCA11:00 a.m.Washington, D.C. Reagan-National
4h 03m
1 stop
YXU3:03 p.m.London
26 May
YXU3:45 p.m.London
26h 18m
1 stop
DCA6:03 p.m.Washington, D.C. Reagan-National
C$ 1,072
Find similar
Air Canada
22 May
DCA6:00 a.m.Washington, D.C. Reagan-National
9h 03m
2 stops
YXU3:03 p.m.London
26 May
YXU3:45 p.m.London
3h 58m
1 stop
DCA7:43 p.m.Washington, D.C. Reagan-National
C$ 1,083
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
29 May
IAD10:15 p.m.Washington, D.C. Dulles Intl
16h 48m
2 stops
YXU3:03 p.m.London
1 Jun
YXU6:15 a.m.London
5h 24m
1 stop
IAD11:39 a.m.Washington, D.C. Dulles Intl
C$ 1,213
Find similar
United Airlines
29 May
IAD5:12 p.m.Washington, D.C. Dulles Intl
4h 16m
1 stop
YXU9:28 p.m.London
1 Jun
YXU9:55 a.m.London
3h 46m
1 stop
IAD1:41 p.m.Washington, D.C. Dulles Intl
C$ 1,275
Find similar
United Airlines
22 May
IAD8:30 a.m.Washington, D.C. Dulles Intl
6h 33m
2 stops
YXU3:03 p.m.London
26 May
YXU9:55 a.m.London
11h 12m
2 stops
IAD9:07 p.m.Washington, D.C. Dulles Intl
C$ 1,461
Find similar

See travel insights to London from

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

Which airlines fly to London, Ontario?

Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to London, Ontario from Washington, D.C. according to our data. Air Canada is the first choice among our users, with 70% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 4 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

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$ 810

Fastest flight time

4h 03m

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$ 810
The fastest flight from Washington, D.C. to London, Ontario takes 4h 03m
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 03m.

  • 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.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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.


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Mon 5/5
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