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Cheap flights from London, Ontario to Washington, D.C. from C$ 344

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 31/10. 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

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

Cheap round-trip flights

Multiple Airlines Logo
YXU-DCA
931 kmmulti-stop
Multiple Airlines Logo
DCA-YXU
931 kmmulti-stop
Multiple Airlines
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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
20 Sep
YXU6:10 a.m.London
5h 58m
2 stops
DCA12:08 p.m.Washington, D.C. Reagan-National
24 Sep
DCA11:00 a.m.Washington, D.C. Reagan-National
4h 17m
1 stop
YXU3:17 p.m.London
C$ 1,404
Find similar
Air Canada
19 Sep
YXU3:50 p.m.London
3h 54m
1 stop
DCA7:44 p.m.Washington, D.C. Reagan-National
26 Sep
DCA6:59 a.m.Washington, D.C. Reagan-National
8h 18m
1 stop
YXU3:17 p.m.London
C$ 1,974
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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
19 Sep
YXU3:50 p.m.London
3h 54m
1 stop
DCA7:44 p.m.Washington, D.C. Reagan-National
24 Sep
DCA6:00 a.m.Washington, D.C. Reagan-National
9h 17m
2 stops
YXU3:17 p.m.London
C$ 1,260
Find similar
United Airlines
19 Sep
YXU6:10 a.m.London
8h 06m
2 stops
DCA2:16 p.m.Washington, D.C. Reagan-National
24 Sep
DCA6:00 a.m.Washington, D.C. Reagan-National
9h 17m
2 stops
YXU3:17 p.m.London
C$ 1,268
Find similar
United Airlines
19 Sep
YXU3:50 p.m.London
3h 54m
1 stop
DCA7:44 p.m.Washington, D.C. Reagan-National
26 Sep
DCA6:00 a.m.Washington, D.C. Reagan-National
15h 29m
2 stops
YXU9:29 p.m.London
C$ 1,310
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 96,600 searches. Data last updated 16 septiembre 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

vie. 31/10

5:40 p.m.-10:35 p.m.

1 stop4h 55m

C$ 344

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

vie. 31/10

9:25 a.m.-5:25 p.m.

2 stops8h 00m

C$ 394

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

mié. 24/9

3:50 p.m.-7:44 p.m.

1 stop3h 54m

C$ 553

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

mié. 24/9

6:10 a.m.-12:59 p.m.

2 stops6h 49m

C$ 559

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

mié. 24/9

8:00 p.m.-7:30 p.m.

3 stops47h 30m

C$ 648

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

vie. 31/10

8:10 p.m.-1:04 p.m.

3 stops40h 54m

C$ 823

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Washington, D.C. Reagan-National Airport?

On average, the least expensive day to fly to Washington, D.C. Reagan-National Airport from London, Ontario is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as C$ 560. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London, Ontario to Washington, D.C. Reagan-National Airport for around C$ 665.

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

    A flight from London to Washington, D.C. Reagan-National will travel around 578.5 km.

  • 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 are updated daily.

  • How old do you have to be to fly from London Airport to Washington, D.C. Reagan-National 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 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 travel and health documents required for your trip to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport. 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
Alexandria
Gettysburg
Linthicum Heights
Bethesda
Silver Spring
Herndon
Reston
Fairfax
Laurel
Capitol Heights
Arlington
Manassas
Fredericksburg
Woodbridge
Rockville
McLean
National Harbor
Tysons

Why use momondo?

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

Finding the right flight to Washington, D.C. from London is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Washington, D.C. from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Washington, D.C..

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 not ready to book a flight from London to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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