Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London, Ontario to Washington, D.C. from C$ 423

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
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$ 819Air Canada
Tue, 20 Oct - Sat, 24 Oct
Air Canada Logo
5:40 a.m. - 3:00 p.m.YXU  London-IAD Washington, D.C. Dulles Intl
9h 20m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau 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$ 823Air 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$ 825Air 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
9:55 a.m. - 2:47 p.m.IAD  Washington, D.C. Dulles Intl-YXU London
4h 52m1 stop Toronto Pearson Intl
C$ 825Air Canada
Sun, 18 Oct - Sun, 1 Nov
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$ 826Air Canada
Sat, 20 Feb - Wed, 24 Feb
Air Canada Logo
9:05 a.m. - 7:00 p.m.YXU  London-IAD Washington, D.C. Dulles Intl
9h 55m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:10 a.m. - 7:40 p.m.IAD  Washington, D.C. Dulles Intl-YXU London
13h 30m2 stops Chicago O'Hare Intl Toronto Pearson Intl
C$ 828Air 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$ 829Air Canada
Sat, 20 Feb - Wed, 24 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
12:55 p.m. - 9:47 p.m.DCA  Washington, D.C. Reagan-National-YXU London
8h 52m2 stops Ottawa Toronto Pearson Intl
C$ 830Air 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
9:55 a.m. - 2:50 p.m.IAD  Washington, D.C. Dulles Intl-YXU London
4h 55m1 stop Toronto Pearson Intl
C$ 830Air Canada
Sat, 17 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. - 9:47 p.m.DCA  Washington, D.C. Reagan-National-YXU London
8h 52m2 stops Ottawa Toronto Pearson Intl
C$ 836Air Canada
Sat, 20 Feb - Wed, 24 Feb

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
IAD6:10 a.m.Washington, D.C. Dulles Intl
8h 40m
2 stops
YXU2:50 p.m.London
C$ 819
Air Canada
20 Oct
YXU5:40 a.m.London
9h 20m
2 stops
IAD3:00 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$ 823
Air Canada
18 Oct
YXU3:30 p.m.London
4h 55m
1 stop
IAD8:25 p.m.Washington, D.C. Dulles Intl
1 Nov
IAD9:55 a.m.Washington, D.C. Dulles Intl
4h 52m
1 stop
YXU2:47 p.m.London
C$ 825

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
18 Oct
YXU3:30 p.m.London
4h 55m
1 stop
IAD8:25 p.m.Washington, D.C. Dulles Intl
1 Nov
IAD10:15 a.m.Washington, D.C. Dulles Intl
11h 37m
2 stops
YXU9:52 p.m.London
C$ 982
United Airlines
15 Oct
YXU10:05 a.m.London
12h 54m
2 stops
BWI10:59 p.m.Baltimore/Washington
22 Oct
BWI9:09 a.m.Baltimore/Washington
12h 31m
2 stops
YXU9:40 p.m.London
C$ 1,028
United Airlines
18 Oct
YXU10:05 a.m.London
12h 54m
2 stops
BWI10:59 p.m.Baltimore/Washington
1 Nov
BWI6:10 a.m.Baltimore/Washington
8h 37m
2 stops
YXU2:47 p.m.London
C$ 1,029

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

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

2 stops8h 40m

C$ 819

LondonWashington, D.C.

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

YXUIAD

London

Tue 20/10

5:40 a.m.-3:00 p.m.

2 stops9h 20m

Washington, D.C. Dulles Intl

Sat 24/10

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

2 stops8h 40m

C$ 823
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$ 825

LondonWashington, D.C.

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

YXUIAD

London

Sun 18/10

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

1 stop4h 55m

Washington, D.C. Dulles Intl

Sun 1/11

9:55 a.m.-2:47 p.m.

1 stop4h 52m

C$ 825

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$ 826

LondonWashington, D.C.

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

YXUIAD

London

Tue 20/10

9:05 a.m.-7:00 p.m.

2 stops9h 55m

Washington, D.C. Dulles Intl

Sat 24/10

6:10 a.m.-7:40 p.m.

2 stops13h 30m

C$ 828

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$ 829

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

12:55 p.m.-9:47 p.m.

2 stops8h 52m

C$ 830

LondonWashington, D.C.

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

YXUIAD

London

Sat 17/10

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$ 830

LondonWashington, D.C.

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

YXUDCA

London

Sat 20/2

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

2 stops6h 49m

Washington, D.C. Reagan-National

Wed 24/2

12:55 p.m.-9:47 p.m.

2 stops8h 52m

C$ 836

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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$ 423

Fastest flight time

4h 29m

Direct flights

None
The best one-way flight to Washington, D.C. from London, Ontario in the past 72 hours is C$ 423. The best round-trip flight deal from London, Ontario to Washington, D.C. found on momondo in the last 72 hours is C$ 819.
The fastest flight from London, Ontario to Washington, D.C. takes 4h 29m
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 29m.

  • 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
Gaithersburg
Arlington
Fairfax
National Harbor
Fredericksburg
Woodbridge
Herndon
Silver Spring
Gettysburg
Falls Church
Alexandria
McLean
Easton
Rockville
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.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 5/10
Mon 12/10
By creating a price alert you accept our terms of use and privacy policy.

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