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Cheap flights from London, Ontario to Washington, D.C. from $255

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to Washington, D.C. departing on 12/14. 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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Air Canada Logo
5:10 am - 8:59 amYXU-DCA
3h 49m1 stop
Air Canada Logo
6:00 am - 5:03 pmDCA-YXU
11h 03m2 stops
$468Air Canada
Find Deal
Fri, Apr 24 - Mon, Apr 27
Air Canada Logo
5:10 am - 12:06 pmYXU-DCA
6h 56m2 stops
Air Canada Logo
6:00 am - 5:03 pmDCA-YXU
11h 03m2 stops
$469Air Canada
Find Deal
Fri, Apr 24 - Mon, Apr 27
Air Canada Logo
5:10 am - 8:59 amYXU-DCA
3h 49m1 stop
Air Canada Logo
12:55 pm - 9:18 pmDCA-YXU
8h 23m2 stops
$470Air Canada
Find Deal
Fri, Apr 24 - Mon, Apr 27
Air Canada Logo
5:10 am - 8:59 amYXU-DCA
3h 49m1 stop
Air Canada Logo
9:40 am - 5:03 pmDCA-YXU
7h 23m1 stop
$504Air Canada
Find Deal
Fri, Apr 24 - Mon, Apr 27
Air Canada Logo
5:40 pm - 10:39 pmYXU-DCA
4h 59m1 stop
Air Canada Logo
9:40 am - 5:03 pmDCA-YXU
7h 23m1 stop
$506Air Canada
Find Deal
Fri, Apr 24 - Mon, Apr 27
United Airlines Logo
5:15 am - 2:37 pmYXU-DCA
9h 22m2 stops
United Airlines Logo
7:00 am - 5:05 pmDCA-YXU
10h 05m2 stops
$559United Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
Air Canada Logo
5:40 pm - 10:35 pmYXU-DCA
4h 55m1 stop
Air Canada Logo
6:59 am - 5:05 pmDCA-YXU
10h 06m1 stop
$687Air Canada
Find Deal
Fri, Dec 12 - Fri, Dec 19
United Airlines Logo
9:25 am - 4:56 pmYXU-DCA
7h 31m2 stops
United Airlines Logo
6:59 am - 5:05 pmDCA-YXU
10h 06m1 stop
$693United Airlines
Find Deal
Fri, Dec 12 - Fri, Dec 19

Air Canada flights from London, Ontario to Washington, D.C. Reagan-National Airport

Our best Air Canada deals on London, Ontario to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
Apr 24
YXU5:10 amLondon
3h 49m
1 stop
DCA8:59 amWashington, D.C. Reagan-National
Apr 27
DCA6:00 amWashington, D.C. Reagan-National
11h 03m
2 stops
YXU5:03 pmLondon
$468
Find similar
Air Canada
Apr 24
YXU5:10 amLondon
6h 56m
2 stops
DCA12:06 pmWashington, D.C. Reagan-National
Apr 27
DCA6:00 amWashington, D.C. Reagan-National
11h 03m
2 stops
YXU5:03 pmLondon
$469
Find similar
Air Canada
Apr 24
YXU5:10 amLondon
3h 49m
1 stop
DCA8:59 amWashington, D.C. Reagan-National
Apr 27
DCA12:55 pmWashington, D.C. Reagan-National
8h 23m
2 stops
YXU9:18 pmLondon
$470
Find similar

United Airlines flights from London, Ontario to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on London, Ontario to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Nov 27
YXU5:15 amLondon
9h 22m
2 stops
DCA2:37 pmWashington, D.C. Reagan-National
Dec 4
DCA7:00 amWashington, D.C. Reagan-National
10h 05m
2 stops
YXU5:05 pmLondon
$559
Find similar
United Airlines
Dec 12
YXU9:25 amLondon
7h 31m
2 stops
DCA4:56 pmWashington, D.C. Reagan-National
Dec 19
DCA6:59 amWashington, D.C. Reagan-National
10h 06m
1 stop
YXU5:05 pmLondon
$693
Find similar
United Airlines
Nov 4
YXU5:40 pmLondon
4h 55m
1 stop
DCA10:35 pmWashington, D.C. Reagan-National
Nov 11
DCA6:30 amWashington, D.C. Reagan-National
14h 51m
2 stops
YXU9:21 pmLondon
$826
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to Washington, D.C. Reagan-National Airport 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 October 30, 2025.
Use the filters below to find and compare flights from London, Ontario to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 4/24

5:10 am-8:59 am

1 stop3h 49m

Washington, D.C. Reagan-National

Mon 4/27

6:00 am-5:03 pm

2 stops11h 03m

$468

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 4/24

5:10 am-12:06 pm

2 stops6h 56m

Washington, D.C. Reagan-National

Mon 4/27

6:00 am-5:03 pm

2 stops11h 03m

$469

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 4/24

5:10 am-8:59 am

1 stop3h 49m

Washington, D.C. Reagan-National

Mon 4/27

12:55 pm-9:18 pm

2 stops8h 23m

$470

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 4/24

5:10 am-8:59 am

1 stop3h 49m

Washington, D.C. Reagan-National

Mon 4/27

9:40 am-5:03 pm

1 stop7h 23m

$504

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 4/24

5:40 pm-10:39 pm

1 stop4h 59m

Washington, D.C. Reagan-National

Mon 4/27

9:40 am-5:03 pm

1 stop7h 23m

$506

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Thu 11/27

5:15 am-2:37 pm

2 stops9h 22m

Washington, D.C. Reagan-National

Thu 12/4

7:00 am-5:05 pm

2 stops10h 05m

$559

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 12/12

5:40 pm-10:35 pm

1 stop4h 55m

Washington, D.C. Reagan-National

Fri 12/19

6:59 am-5:05 pm

1 stop10h 06m

$687

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 12/12

9:25 am-4:56 pm

2 stops7h 31m

Washington, D.C. Reagan-National

Fri 12/19

6:59 am-5:05 pm

1 stop10h 06m

$693

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sun 12/14

5:10 am-8:55 am

1 stop3h 45m

$255

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sun 12/14

5:10 am-8:55 am

1 stop3h 45m

$286

Flights are sorted by cheapest round-trip flights 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. Reagan-National Airport

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 London to Washington, D.C. Reagan-National?

Air Canada and United Airlines are the most popular carriers operating from London to Washington, D.C. Reagan-National

What airlines fly to Washington, D.C. Reagan-National Airport?

Air Canada, American Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from London, Ontario according to our data. Air Canada is the first choice among our users, with 76% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from London, Ontario to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport (YXU to DCA) flight deals and tips

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

Direct flights

None
There are no direct flights from London, Ontario to Washington, D.C. Reagan-National Airport. There are no popular flight routes from London, Ontario to Washington, D.C. Reagan-National Airport.
Search flight deals

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

    London and Washington, D.C. Reagan-National are 359.4 mi apart from one another. Flights usually cover this in 3h 49m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London Airport to Washington, D.C. Reagan-National Airport were last updated today.

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

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

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for London to Washington, D.C. flights to just show those with flexible booking policies.

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

Once all potential London to Washington, D.C. 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 London to Washington, D.C. right now. Can momondo alert me if prices change?

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

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