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Cheap flights from District of Columbia to London from C$ 837

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to London departing on 14/1. 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 District of Columbia to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:30 p.m. - 9:21 p.m.IAD-YXU
4h 51m1 stop
Air Canada Logo
9:25 a.m. - 3:46 p.m.YXU-IAD
6h 21m1 stop
C$ 837Air Canada
Find Deal
Wed, 14 Jan - Fri, 16 Jan
Air Canada Logo
4:30 p.m. - 9:18 p.m.IAD-YXU
4h 48m1 stop
Air Canada Logo
9:25 a.m. - 3:39 p.m.YXU-IAD
6h 14m1 stop
C$ 838Air Canada
Find Deal
Tue, 7 Apr - Tue, 14 Apr
Air Canada Logo
8:40 p.m. - 8:46 a.m.DCA-YXU
12h 06m1 stop
Air Canada Logo
5:10 a.m. - 8:55 a.m.YXU-DCA
3h 45m1 stop
C$ 870Air Canada
Find Deal
Sun, 21 Dec - Sun, 28 Dec
Air Canada Logo
9:00 a.m. - 5:05 p.m.IAD-YXU
8h 05m1 stop
Air Canada Logo
5:10 a.m. - 3:46 p.m.YXU-IAD
10h 36m1 stop
C$ 903Air Canada
Find Deal
Sun, 21 Dec - Sun, 28 Dec
Multiple Airlines Logo
12:35 p.m. - 5:05 p.m.IAD-YXU
4h 30m1 stop
Multiple Airlines Logo
9:25 a.m. - 4:13 p.m.YXU-IAD
6h 48m2 stops
C$ 966Multiple Airlines
Find Deal
Wed, 14 Jan - Fri, 16 Jan
United Airlines Logo
6:00 a.m. - 5:05 p.m.DCA-YXU
11h 05m2 stops
United Airlines Logo
5:10 a.m. - 8:55 a.m.YXU-DCA
3h 45m1 stop
C$ 972United Airlines
Find Deal
Wed, 14 Jan - Fri, 16 Jan
Multiple Airlines Logo
7:00 a.m. - 5:05 p.m.DCA-YXU
10h 05m2 stops
Multiple Airlines Logo
5:10 a.m. - 3:28 p.m.YXU-DCA
10h 18m2 stops
C$ 979Multiple Airlines
Find Deal
Wed, 14 Jan - Fri, 16 Jan
United Airlines Logo
6:00 a.m. - 5:05 p.m.IAD-YXU
11h 05m2 stops
United Airlines Logo
5:10 a.m. - 3:46 p.m.YXU-IAD
10h 36m1 stop
C$ 1,038United Airlines
Find Deal
Sun, 21 Dec - Sun, 28 Dec
WestJet Logo
12:37 p.m. - 6:34 a.m.DCA-YXU
17h 57m2 stops
WestJet Logo
8:10 p.m. - 11:37 a.m.YXU-DCA
15h 27m2 stops
C$ 2,347WestJet
Find Deal
Mon, 22 Dec - Mon, 29 Dec
WestJet Logo
12:58 p.m. - 6:34 a.m.IAD-YXU
17h 36m2 stops
WestJet Logo
8:10 p.m. - 12:13 p.m.YXU-IAD
16h 03m2 stops
C$ 2,347WestJet
Find Deal
Mon, 22 Dec - Mon, 29 Dec

Air Canada flights from District of Columbia to London, Ontario

Our best Air Canada deals on District of Columbia to London, Ontario flight tickets
Air Canada
14 Jan
IAD4:30 p.m.Washington, D.C. Dulles Intl
4h 51m
1 stop
YXU9:21 p.m.London
16 Jan
YXU9:25 a.m.London
6h 21m
1 stop
IAD3:46 p.m.Washington, D.C. Dulles Intl
C$ 837
Find similar
Air Canada
7 Apr
IAD4:30 p.m.Washington, D.C. Dulles Intl
4h 48m
1 stop
YXU9:18 p.m.London
14 Apr
YXU9:25 a.m.London
6h 14m
1 stop
IAD3:39 p.m.Washington, D.C. Dulles Intl
C$ 838
Find similar
Air Canada
21 Dec
DCA8:40 p.m.Washington, D.C. Reagan-National
12h 06m
1 stop
YXU8:46 a.m.London
28 Dec
YXU5:10 a.m.London
3h 45m
1 stop
DCA8:55 a.m.Washington, D.C. Reagan-National
C$ 870
Find similar

United Airlines flights from District of Columbia to London, Ontario

Our best United Airlines deals on District of Columbia to London, Ontario flight tickets
United Airlines
14 Jan
DCA6:00 a.m.Washington, D.C. Reagan-National
11h 05m
2 stops
YXU5:05 p.m.London
16 Jan
YXU5:10 a.m.London
3h 45m
1 stop
DCA8:55 a.m.Washington, D.C. Reagan-National
C$ 972
Find similar
United Airlines
21 Dec
IAD6:00 a.m.Washington, D.C. Dulles Intl
11h 05m
2 stops
YXU5:05 p.m.London
28 Dec
YXU5:10 a.m.London
10h 36m
1 stop
IAD3:46 p.m.Washington, D.C. Dulles Intl
C$ 1,038
Find similar
United Airlines
22 Dec
DCA6:50 p.m.Washington, D.C. Reagan-National
13h 56m
1 stop
YXU8:46 a.m.London
29 Dec
YXU5:10 a.m.London
15h 49m
2 stops
DCA8:59 p.m.Washington, D.C. Reagan-National
C$ 1,209
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to London, Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from District of Columbia to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Wed 14/1

4:30 p.m.-9:21 p.m.

1 stop4h 51m

London

Fri 16/1

9:25 a.m.-3:46 p.m.

1 stop6h 21m

C$ 837

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 7/4

4:30 p.m.-9:18 p.m.

1 stop4h 48m

London

Tue 14/4

9:25 a.m.-3:39 p.m.

1 stop6h 14m

C$ 838

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sun 21/12

8:40 p.m.-8:46 a.m.

1 stop12h 06m

London

Sun 28/12

5:10 a.m.-8:55 a.m.

1 stop3h 45m

C$ 870

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Sun 21/12

9:00 a.m.-5:05 p.m.

1 stop8h 05m

London

Sun 28/12

5:10 a.m.-3:46 p.m.

1 stop10h 36m

C$ 903

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Wed 14/1

12:35 p.m.-5:05 p.m.

1 stop4h 30m

London

Fri 16/1

9:25 a.m.-4:13 p.m.

2 stops6h 48m

C$ 966

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Wed 14/1

6:00 a.m.-5:05 p.m.

2 stops11h 05m

London

Fri 16/1

5:10 a.m.-8:55 a.m.

1 stop3h 45m

C$ 972

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Wed 14/1

7:00 a.m.-5:05 p.m.

2 stops10h 05m

London

Fri 16/1

5:10 a.m.-3:28 p.m.

2 stops10h 18m

C$ 979

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Sun 21/12

6:00 a.m.-5:05 p.m.

2 stops11h 05m

London

Sun 28/12

5:10 a.m.-3:46 p.m.

1 stop10h 36m

C$ 1,038

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 22/12

12:37 p.m.-6:34 a.m.

2 stops17h 57m

London

Mon 29/12

8:10 p.m.-11:37 a.m.

2 stops15h 27m

C$ 2,347

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 22/12

12:58 p.m.-6:34 a.m.

2 stops17h 36m

London

Mon 29/12

8:10 p.m.-12:13 p.m.

2 stops16h 03m

C$ 2,347

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from District of Columbia 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, United Airlines and WestJet are the top three most popular airlines that fly to London, Ontario from District of Columbia according to our data. Air Canada is the first choice among our users, with 73% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 3 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

Cheap District of Columbia to London, Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to London, Ontario

Direct flights

None
There are no direct flights from District of Columbia to London, Ontario. There are no popular flight routes from District of Columbia to London, Ontario.
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  • When did momondo last update prices for flights from District of Columbia to London Airport?

    Prices for flights from District of Columbia to London Airport were last updated today.

  • How old do you have to be to fly from District of Columbia to London Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from District of Columbia to London Airport.

  • What documentation or ID do you need to fly to London Airport?

    The required travel and health documents for your London Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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 District of Columbia to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from District of Columbia to London. momondo saves you time and could save you money on your trip.

Can I find flights from District of Columbia to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from District of Columbia with this policy.

How can momondo help me find flights from District of Columbia to London?

Once all potential District of Columbia 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 District of Columbia to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from District of Columbia and alert you when they change.

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