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Cheap flights from London, Ontario to Washington, D.C. from C$ 408

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London, Ontario to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:30 p.m. - 8:25 p.m.YXU  London-IAD Washington, D.C. Dulles Intl
4h 55m1 stop Toronto Pearson Intl
Air Canada Logo
9:55 a.m. - 2:50 p.m.IAD  Washington, D.C. Dulles Intl-YXU London
4h 55m1 stop Toronto Pearson Intl
C$ 836Air Canada
Tue, 20 Oct - Sat, 24 Oct
Air Canada Logo
3:30 p.m. - 8:25 p.m.YXU  London-IAD Washington, D.C. Dulles Intl
4h 55m1 stop Toronto Pearson Intl
Air Canada Logo
6:10 a.m. - 2:50 p.m.IAD  Washington, D.C. Dulles Intl-YXU London
8h 40m2 stops Chicago O'Hare Intl Toronto Pearson Intl
C$ 836Air Canada
Tue, 20 Oct - Sat, 24 Oct
Air Canada Logo
3:30 p.m. - 8:25 p.m.YXU  London-IAD Washington, D.C. Dulles Intl
4h 55m1 stop Toronto Pearson Intl
Air Canada Logo
6:10 a.m. - 2:50 p.m.IAD  Washington, D.C. Dulles Intl-YXU London
8h 40m2 stops Chicago O'Hare Intl Toronto Pearson Intl
C$ 838Air Canada
Tue, 20 Oct - Sat, 24 Oct
Air Canada Logo
3:30 p.m. - 8:25 p.m.YXU  London-IAD Washington, D.C. Dulles Intl
4h 55m1 stop Toronto Pearson Intl
Air Canada Logo
9:55 a.m. - 2:50 p.m.IAD  Washington, D.C. Dulles Intl-YXU London
4h 55m1 stop Toronto Pearson Intl
C$ 838Air Canada
Tue, 20 Oct - Sat, 24 Oct
Air Canada Logo
3:20 p.m. - 7:58 p.m.YXU  London-DCA Washington, D.C. Reagan-National
4h 38m1 stop Toronto Pearson Intl
Air Canada Logo
9:40 a.m. - 2:42 p.m.DCA  Washington, D.C. Reagan-National-YXU London
5h 02m1 stop Toronto Pearson Intl
C$ 838Air Canada
Sat, 20 Feb - Wed, 24 Feb
Air Canada Logo
3:30 p.m. - 8:25 p.m.YXU  London-IAD Washington, D.C. Dulles Intl
4h 55m1 stop Toronto Pearson Intl
Air Canada Logo
6:10 a.m. - 2:50 p.m.IAD  Washington, D.C. Dulles Intl-YXU London
8h 40m2 stops Chicago O'Hare Intl Toronto Pearson Intl
C$ 839Air Canada
Tue, 20 Oct - Sat, 24 Oct
Air Canada Logo
3:30 p.m. - 8:25 p.m.YXU  London-IAD Washington, D.C. Dulles Intl
4h 55m1 stop Toronto Pearson Intl
Air Canada Logo
9:55 a.m. - 2:50 p.m.IAD  Washington, D.C. Dulles Intl-YXU London
4h 55m1 stop Toronto Pearson Intl
C$ 839Air Canada
Tue, 20 Oct - Sat, 24 Oct
Air Canada Logo
5:30 a.m. - 12:19 p.m.YXU  London-DCA Washington, D.C. Reagan-National
6h 49m2 stops Toronto Pearson Intl Ottawa
Air Canada Logo
12:55 p.m. - 9:52 p.m.DCA  Washington, D.C. Reagan-National-YXU London
8h 57m2 stops Ottawa Toronto Pearson Intl
C$ 839Air Canada
Sat, 30 Jan - Wed, 3 Feb
Air Canada Logo
3:20 p.m. - 7:58 p.m.YXU  London-DCA Washington, D.C. Reagan-National
4h 38m1 stop Toronto Pearson Intl
Air Canada Logo
9:40 a.m. - 2:42 p.m.DCA  Washington, D.C. Reagan-National-YXU London
5h 02m1 stop Toronto Pearson Intl
C$ 840Air Canada
Sat, 30 Jan - Wed, 3 Feb
United Airlines Logo
3:25 p.m. - 10:29 a.m.YXU  London-BWI Baltimore/Washington
19h 04m2 stops Toronto Pearson Intl Chicago O'Hare Intl
United Airlines Logo
6:10 a.m. - 9:57 p.m.BWI  Baltimore/Washington-YXU London
15h 47m2 stops Chicago O'Hare Intl Toronto Pearson Intl
C$ 959United Airlines
Mon, 23 Nov - Fri, 27 Nov

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Air Canada flights from London, Ontario to Washington, D.C.

Our best Air Canada deals on London, Ontario to Washington, D.C. flight tickets
Air Canada
20 Oct
YXU3:30 p.m.London
4h 55m
1 stop
IAD8:25 p.m.Washington, D.C. Dulles Intl
24 Oct
IAD9:55 a.m.Washington, D.C. Dulles Intl
4h 55m
1 stop
YXU2:50 p.m.London
C$ 836
Air Canada
20 Oct
YXU3:30 p.m.London
4h 55m
1 stop
IAD8:25 p.m.Washington, D.C. Dulles Intl
24 Oct
IAD9:55 a.m.Washington, D.C. Dulles Intl
4h 55m
1 stop
YXU2:50 p.m.London
C$ 838
Air Canada
20 Oct
YXU3:30 p.m.London
4h 55m
1 stop
IAD8:25 p.m.Washington, D.C. Dulles Intl
24 Oct
IAD6:10 a.m.Washington, D.C. Dulles Intl
8h 40m
2 stops
YXU2:50 p.m.London
C$ 839

United Airlines flights from London, Ontario to Washington, D.C.

Our best United Airlines deals on London, Ontario to Washington, D.C. flight tickets
United Airlines
23 Nov
YXU3:25 p.m.London
19h 04m
2 stops
BWI10:29 a.m.Baltimore/Washington
27 Nov
BWI6:10 a.m.Baltimore/Washington
15h 47m
2 stops
YXU9:57 p.m.London
C$ 959
United Airlines
23 Nov
YXU3:25 p.m.London
19h 04m
2 stops
BWI10:29 a.m.Baltimore/Washington
27 Nov
BWI6:10 a.m.Baltimore/Washington
15h 42m
2 stops
YXU9:52 p.m.London
C$ 960
United Airlines
23 Nov
YXU3:25 p.m.London
19h 04m
2 stops
BWI10:29 a.m.Baltimore/Washington
27 Nov
BWI6:10 a.m.Baltimore/Washington
15h 42m
2 stops
YXU9:52 p.m.London
C$ 961

momondo Fare Finder

 
Use the filters below to find and compare flights from London, Ontario to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

YXU London - IAD Washington, D.C. Dulles Intl

YXUIAD

London

Tue 20/10

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

1 stop4h 55m

Washington, D.C. Dulles Intl

Sat 24/10

9:55 a.m.-2:50 p.m.

1 stop4h 55m

C$ 836

LondonWashington, D.C.

YXU London - IAD Washington, D.C. Dulles Intl

YXUIAD

London

Tue 20/10

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

1 stop4h 55m

Washington, D.C. Dulles Intl

Sat 24/10

6:10 a.m.-2:50 p.m.

2 stops8h 40m

C$ 836

LondonWashington, D.C.

YXU London - IAD Washington, D.C. Dulles Intl

YXUIAD

London

Tue 20/10

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

1 stop4h 55m

Washington, D.C. Dulles Intl

Sat 24/10

6:10 a.m.-2:50 p.m.

2 stops8h 40m

C$ 838

LondonWashington, D.C.

YXU London - IAD Washington, D.C. Dulles Intl

YXUIAD

London

Tue 20/10

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

1 stop4h 55m

Washington, D.C. Dulles Intl

Sat 24/10

9:55 a.m.-2:50 p.m.

1 stop4h 55m

C$ 838
Quickest round-trip

LondonWashington, D.C.

YXU London - DCA Washington, D.C. Reagan-National

YXUDCA

London

Sat 20/2

3:20 p.m.-7:58 p.m.

1 stop4h 38m

Washington, D.C. Reagan-National

Wed 24/2

9:40 a.m.-2:42 p.m.

1 stop5h 02m

C$ 838

LondonWashington, D.C.

YXU London - IAD Washington, D.C. Dulles Intl

YXUIAD

London

Tue 20/10

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

1 stop4h 55m

Washington, D.C. Dulles Intl

Sat 24/10

6:10 a.m.-2:50 p.m.

2 stops8h 40m

C$ 839

LondonWashington, D.C.

YXU London - IAD Washington, D.C. Dulles Intl

YXUIAD

London

Tue 20/10

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

1 stop4h 55m

Washington, D.C. Dulles Intl

Sat 24/10

9:55 a.m.-2:50 p.m.

1 stop4h 55m

C$ 839

LondonWashington, D.C.

YXU London - DCA Washington, D.C. Reagan-National

YXUDCA

London

Sat 30/1

5:30 a.m.-12:19 p.m.

2 stops6h 49m

Washington, D.C. Reagan-National

Wed 3/2

12:55 p.m.-9:52 p.m.

2 stops8h 57m

C$ 839

LondonWashington, D.C.

YXU London - DCA Washington, D.C. Reagan-National

YXUDCA

London

Sat 30/1

3:20 p.m.-7:58 p.m.

1 stop4h 38m

Washington, D.C. Reagan-National

Wed 3/2

9:40 a.m.-2:42 p.m.

1 stop5h 02m

C$ 840

LondonBaltimore

YXU London - BWI Baltimore/Washington

YXUBWI

London

Mon 23/11

3:25 p.m.-10:29 a.m.

2 stops19h 04m

Baltimore/Washington

Fri 27/11

6:10 a.m.-9:57 p.m.

2 stops15h 47m

C$ 959

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from London, Ontario to Washington, D.C.

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

Can stopping save me money on London, Ontario to Washington, D.C. flights?

You could potentially save up to 38% on your flight if you consider stops on a London, Ontario to Washington, D.C. flight.

When to book flights from London, Ontario to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London, Ontario to Washington, D.C. (YXU to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Washington, D.C.

Best price found

C$ 408

Fastest flight time

4h 38m

Direct flights

None
The best one-way flight to Washington, D.C. from London, Ontario in the past 72 hours is C$ 408. The best round-trip flight deal from London, Ontario to Washington, D.C. found on momondo in the last 72 hours is C$ 836.
The fastest flight from London, Ontario to Washington, D.C. takes 4h 38m
There are no direct flights from London, Ontario to Washington, D.C.. There are no popular flight routes from London, Ontario to Washington, D.C..
Search flight deals

Frequently asked questions about flying from London, Ontario to Washington, D.C.

  • How far is London to Washington, D.C. by plane?

    London and Washington, D.C. are 573.8 km apart from one another. A reasonable flight in good conditions will take 4h 38m.

  • When did momondo last update prices for flights from London Airport to Washington, D.C.?

    Prices for flights from London Airport to Washington, D.C. refresh daily.

  • How old do you have to be to fly from London Airport to Washington, D.C.?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. 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 Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Upper Marlboro
Gaithersburg
Arlington
Gettysburg
Fairfax
Towson
Fredericksburg
National Harbor
Woodbridge
Herndon
Silver Spring
McLean
Falls Church
Alexandria
Easton
Rockville
Camp Springs
Tysons

Why use momondo?

Why should I use momondo to find a flight deal from London to Washington, D.C.?

It is quick and easy to find London to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from London to Washington, D.C. with flexible booking policies on momondo?

All flight searches from London to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Washington, D.C.?

momondo helps you find the best flight between London and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from London. 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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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport