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Cheap flights from District of Columbia to Toronto from $416

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Toronto departing on 7/22. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from District of Columbia to Toronto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
11:00 am - 2:55 pm
DCA
-
YXU
3h 55m
1 stop
Air Canada Logo
6:20 pm - 10:34 pm
YXU
-
DCA
4h 14m
1 stop
$656Air Canada
Thu, Sep 24 - Mon, Sep 28
Air Canada Logo
4:30 pm - 9:46 pm
IAD
-
YXU
5h 16m
1 stop
Air Canada Logo
9:45 am - 3:50 pm
YXU
-
IAD
6h 05m
1 stop
$656Air Canada
Thu, Nov 26 - Sat, Nov 28
Air Canada Logo
11:00 am - 2:55 pm
DCA
-
YXU
3h 55m
1 stop
Air Canada Logo
5:40 am - 12:00 pm
YXU
-
DCA
6h 20m
2 stops
$661Air Canada
Thu, Sep 24 - Mon, Sep 28
Air Canada Logo
9:55 am - 3:06 pm
IAD
-
YXU
5h 11m
1 stop
Air Canada Logo
9:45 am - 8:23 pm
YXU
-
IAD
10h 38m
2 stops
$665Air Canada
Thu, Nov 26 - Sat, Nov 28
Air Canada Logo
6:00 am - 2:55 pm
DCA
-
YXU
8h 55m
2 stops
Air Canada Logo
5:40 am - 12:00 pm
YXU
-
DCA
6h 20m
2 stops
$670Air Canada
Thu, Sep 24 - Mon, Sep 28
Air Canada Logo
11:00 am - 2:55 pm
DCA
-
YXU
3h 55m
1 stop
Air Canada Logo
6:20 pm - 10:31 pm
YXU
-
DCA
4h 11m
1 stop
$686Air Canada
Wed, Jul 1 - Tue, Jul 7
Air Canada Logo
4:00 pm - 9:37 pm
IAD
-
YXU
5h 37m
1 stop
Air Canada Logo
10:05 am - 3:24 pm
YXU
-
IAD
5h 19m
1 stop
$686Air Canada
Tue, Jun 23 - Sat, Jun 27
Air Canada Logo
12:40 pm - 9:40 pm
DCA
-
YXU
9h 00m
2 stops
Air Canada Logo
3:30 pm - 7:57 pm
YXU
-
DCA
4h 27m
1 stop
$692Air Canada
Wed, Jul 1 - Tue, Jul 7
Multiple Airlines Logo
7:00 pm - 5:20 am
IAD
-
YXU
10h 20m
1 stop
Multiple Airlines Logo
2:40 pm - 10:46 am
YXU
-
IAD
20h 06m
3 stops
$752Multiple Airlines
Mon, Jul 6 - Tue, Jul 7
United Airlines Logo
10:10 pm - 3:06 pm
IAD
-
YXU
16h 56m
2 stops
United Airlines Logo
9:45 am - 3:50 pm
YXU
-
IAD
6h 05m
1 stop
$773United Airlines
Fri, Oct 30 - Mon, Nov 2

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
Sep 24
DCA11:00 amWashington, D.C. Reagan-National
3h 55m
1 stop
YXU2:55 pmLondon
Sep 28
YXU6:20 pmLondon
4h 14m
1 stop
DCA10:34 pmWashington, D.C. Reagan-National
$656
Air Canada
Sep 24
DCA11:00 amWashington, D.C. Reagan-National
3h 55m
1 stop
YXU2:55 pmLondon
Sep 28
YXU5:40 amLondon
6h 20m
2 stops
DCA12:00 pmWashington, D.C. Reagan-National
$661
Air Canada
Nov 26
IAD9:55 amWashington, D.C. Dulles Intl
5h 11m
1 stop
YXU3:06 pmLondon
Nov 28
YXU9:45 amLondon
10h 38m
2 stops
IAD8:23 pmWashington, D.C. Dulles Intl
$665

WestJet flights from District of Columbia to London, Ontario

Our best WestJet deals on District of Columbia to London, Ontario flight tickets
WestJet
Jul 20
IAD7:00 pmWashington, D.C. Dulles Intl
10h 20m
1 stop
YXU5:20 amLondon
Jul 26
YXU2:40 pmLondon
27h 30m
3 stops
IAD6:10 pmWashington, D.C. Dulles Intl
$1,153
WestJet
Jul 3
DCA5:00 pmWashington, D.C. Reagan-National
36h 20m
2 stops
YXU5:20 amLondon
Jul 5
YXU2:40 pmLondon
32h 46m
2 stops
DCA11:26 pmWashington, D.C. Reagan-National
$1,218
WestJet
Oct 14
DCA3:30 pmWashington, D.C. Reagan-National
13h 50m
2 stops
YXU5:20 amLondon
Oct 21
YXU6:10 amLondon
15h 45m
2 stops
DCA9:55 pmWashington, D.C. Reagan-National
$1,344

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 832,500 searches. Data last updated June 4, 2026.
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

Cheapest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 9/24

11:00 am-2:55 pm

1 stop3h 55m

London

Mon 9/28

6:20 pm-10:34 pm

1 stop4h 14m

$656

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Thu 11/26

4:30 pm-9:46 pm

1 stop5h 16m

London

Sat 11/28

9:45 am-3:50 pm

1 stop6h 05m

$656

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 9/24

11:00 am-2:55 pm

1 stop3h 55m

London

Mon 9/28

5:40 am-12:00 pm

2 stops6h 20m

$661

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Thu 11/26

9:55 am-3:06 pm

1 stop5h 11m

London

Sat 11/28

9:45 am-8:23 pm

2 stops10h 38m

$665

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 9/24

6:00 am-2:55 pm

2 stops8h 55m

London

Mon 9/28

5:40 am-12:00 pm

2 stops6h 20m

$670
Quickest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Wed 7/1

11:00 am-2:55 pm

1 stop3h 55m

London

Tue 7/7

6:20 pm-10:31 pm

1 stop4h 11m

$686

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Tue 6/23

4:00 pm-9:37 pm

1 stop5h 37m

London

Sat 6/27

10:05 am-3:24 pm

1 stop5h 19m

$686

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Wed 7/1

12:40 pm-9:40 pm

2 stops9h 00m

London

Tue 7/7

3:30 pm-7:57 pm

1 stop4h 27m

$692

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 7/6

7:00 pm-5:20 am

1 stop10h 20m

London

Tue 7/7

2:40 pm-10:46 am

3 stops20h 06m

$752

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 10/30

10:10 pm-3:06 pm

2 stops16h 56m

London

Mon 11/2

9:45 am-3:50 pm

1 stop6h 05m

$773

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Toronto from

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

What is the cheapest airline that flies from District of Columbia to London?

United Airlines is the most popular carrier operating from District of Columbia to London

What airlines fly to London, Ontario?

Air Canada, United Airlines and American Airlines 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 57% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 6 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

Fastest flight time

3h 55m

Direct flights

None
The fastest flight from District of Columbia to London, Ontario takes 3h 55m
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.
Search flight deals

Frequently asked questions about flying from District of Columbia to London, Ontario

  • 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 are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.

Traveling to a place near Toronto?

Book flights to Toronto 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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from District of Columbia to London for you.

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

Yes. momondo allows you to filter the results for District of Columbia to London flights to just show those with flexible booking policies.

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?

Yes. momondo can track prices for District of Columbia to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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