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Cheap flights from London, Ontario to Washington, D.C. Dulles Intl Airport from $458

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to Washington, D.C. Dulles Intl Airport departing on 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London, Ontario to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from London, Ontario to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London, Ontario to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from London, Ontario to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London, Ontario to Washington, D.C.

Find recent round-trip train or bus tickets from London, Ontario to Washington, D.C..

All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
8:00 pm - 12:49 pmYXU-IAD
16h 49m2 stops
5:57 pm - 11:20 amIAD-YXU
17h 23m1 stop
Fri, Jan 10 - Sun, Jan 12
9:55 am - 4:26 pmYXU-IAD
6h 31m1 stop
6:05 am - 2:50 pmIAD-YXU
8h 45m2 stops
$570United Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
5:10 am - 11:47 amYXU-IAD
6h 37m2 stops
6:05 am - 2:50 pmIAD-YXU
8h 45m2 stops
$576United Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
3:25 pm - 9:21 pmYXU-IAD
5h 56m1 stop
10:35 am - 2:50 pmIAD-YXU
4h 15m1 stop
$577United Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
5:10 am - 9:46 amYXU-IAD
4h 36m1 stop
10:30 am - 2:58 pmIAD-YXU
4h 28m1 stop
$652Air Canada
Find Deal
Mon, Jan 6 - Sat, May 3
9:55 am - 1:51 pmYXU-IAD
3h 56m1 stop
2:35 pm - 8:20 pmIAD-YXU
5h 45m1 stop
$687Air Canada
Find Deal
Fri, Jan 10 - Sun, Jan 12
8:00 pm - 3:50 pmYXU-IAD
19h 50m3 stops
1:24 am - 1:25 pmIAD-YXU
36h 01m3 stops
Wed, Feb 5 - Tue, Feb 11
8:00 pm - 3:50 pmYXU-IAD
19h 50m3 stops
12:05 pm - 1:25 pmIAD-YXU
25h 20m3 stops
Wed, Feb 5 - Wed, Feb 12
8:00 pm - 3:50 pmYXU-IAD
19h 50m3 stops
3:34 pm - 1:25 pmIAD-YXU
21h 51m2 stops
Wed, Feb 5 - Wed, Feb 12
8:00 pm - 12:49 pmYXU-IAD
16h 49m2 stops
2:00 pm - 7:12 pmIAD-YXU
29h 12m3 stops
Fri, Jan 10 - Sun, Jan 12
YXU-IAD
341 mimulti-stop
Multiple Airlines
Find Deal
5:45 am - 9:46 amYXU-IAD
4h 01m1 stop
12:49 pm - 8:20 pmIAD-YXU
7h 31m2 stops
$871Air Canada
Find Deal
Fri, Dec 27 - Mon, Dec 30
5:45 am - 11:46 amYXU-IAD
6h 01m2 stops
12:49 pm - 8:20 pmIAD-YXU
7h 31m2 stops
Fri, Dec 27 - Mon, Dec 30
8:00 pm - 10:24 pmYXU-IAD
26h 24m3 stops
1:45 pm - 7:12 pmIAD-YXU
29h 27m3 stops
$3,576
Find Deal
Fri, Dec 27 - Mon, Dec 30

United Airlines flights from London, Ontario to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on London, Ontario to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Feb 5
YXU9:55 amLondon
6h 31m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Feb 12
IAD6:05 amWashington, D.C. Dulles Intl
8h 45m
2 stops
YXU2:50 pmLondon
United Airlines
Feb 5
YXU5:10 amLondon
6h 37m
2 stops
IAD11:47 amWashington, D.C. Dulles Intl
Feb 12
IAD6:05 amWashington, D.C. Dulles Intl
8h 45m
2 stops
YXU2:50 pmLondon
United Airlines
Feb 5
YXU3:25 pmLondon
5h 56m
1 stop
IAD9:21 pmWashington, D.C. Dulles Intl
Feb 12
IAD10:35 amWashington, D.C. Dulles Intl
4h 15m
1 stop
YXU2:50 pmLondon

Air Canada flights from London, Ontario to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on London, Ontario to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Jan 6
YXU5:10 amLondon
4h 36m
1 stop
IAD9:46 amWashington, D.C. Dulles Intl
May 3
IAD10:30 amWashington, D.C. Dulles Intl
4h 28m
1 stop
YXU2:58 pmLondon
Air Canada
Jan 10
YXU9:55 amLondon
3h 56m
1 stop
IAD1:51 pmWashington, D.C. Dulles Intl
Jan 12
IAD2:35 pmWashington, D.C. Dulles Intl
5h 45m
1 stop
YXU8:20 pmLondon
Air Canada
Dec 27
YXU5:45 amLondon
4h 01m
1 stop
IAD9:46 amWashington, D.C. Dulles Intl
Dec 30
IAD12:49 pmWashington, D.C. Dulles Intl
7h 31m
2 stops
YXU8:20 pmLondon

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When to book flights from London, Ontario to Washington, D.C. Dulles Intl Airport

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

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

Best Price Found

$458

Fastest flight time

3h 56m

Direct flights

None
The best flight deal from London, Ontario to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $458
The fastest flight from London, Ontario to Washington, D.C. Dulles Intl Airport takes 3h 56m
There are no direct flights from London, Ontario to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is London Airport - Washington, D.C. Dulles Intl Airport.

  • How far is London to Washington, D.C. Dulles Intl by plane?

    Washington, D.C. Dulles Intl is 341.3 mi away from London. Flights usually cover this in 3h 56m, 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. Dulles Intl Airport?

    Prices for flights from London Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London Airport to Washington, D.C. Dulles Intl Airport?

    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. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


  • How do I get Price Alerts for flights from London, Ontario to Washington, D.C. Dulles Intl Airport?

    Price Alerts will notify you by email when the price for flights to Washington, D.C. Dulles Intl Airport from London, Ontario decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from London, Ontario to Washington, D.C. Dulles Intl Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.


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 recognisable 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?

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.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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