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$657+ Cheap flights from Reagan-National (DCA) to London, ON (YXU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YXU
Jun 12 — Jun 191
Fri 6/12
Fri 6/19
1 adult, Economy
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Cheap flight deals from Reagan-National to London

Cheapest flights from Reagan-National to London
Explore the most affordable flight options available from Reagan-National to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.

This Air Canada deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:00 am
DCA
-
YXU
1 stop3h 55m
Air Canada
Sat 10/106:20 pm
YXU
-
DCA
1 stop4h 14m
Air Canada
Deal found 5/12$657
This Air Canada deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:59 am
DCA
-
YXU
1 stop4h 44m
Air Canada
Tue 6/25:10 am
YXU
-
DCA
1 stop3h 43m
Air Canada
Deal found 5/12$687
This Air Canada deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:00 am
DCA
-
YXU
2 stops8h 57m
Air Canada
Fri 7/33:30 pm
YXU
-
DCA
1 stop4h 27m
Air Canada
Deal found 5/12$695
This Air Canada deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:00 am
DCA
-
YXU
1 stop10h 38m
Air Canada
Sun 6/75:10 am
YXU
-
DCA
1 stop3h 43m
Air Canada
Deal found 5/11$712
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:30 am
DCA
-
YXU
2 stops8h 25m
United Airlines
Sat 10/106:20 pm
YXU
-
DCA
1 stop4h 14m
United Airlines
Deal found 5/12$774
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:15 am
DCA
-
YXU
2 stops7h 43m
United Airlines
Sun 6/75:10 am
YXU
-
DCA
1 stop3h 43m
United Airlines
Deal found 5/11$804
This Air Canada deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:59 am
DCA
-
YXU
1 stop4h 44m
Air Canada
Thu 5/2112:20 pm
YXU
-
DCA
1 stop5h 53m
Air Canada
Deal found 5/8$859

Find flight deals from Reagan-National to London

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to London (YXU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 13, 2026.

Round-trip from

$657
(Air Canada)
From Washington, D.C. Reagan-National to London
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to London 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, Cheapflights users made 2,558,603 searches. Data last updated May 13, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to London 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

Sat 10/3

11:00 am-2:55 pm

1 stop3h 55m

London

Sat 10/10

6:20 pm-10:34 pm

1 stop4h 14m

$657

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 5/29

6:59 am-11:43 am

1 stop4h 44m

London

Tue 6/2

5:10 am-8:53 am

1 stop3h 43m

$687
Quickest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sun 6/21

11:00 am-2:57 pm

1 stop3h 57m

London

Sun 6/28

5:10 am-8:52 am

1 stop3h 42m

$687

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Fri 6/26

6:00 am-2:57 pm

2 stops8h 57m

London

Fri 7/3

5:10 am-3:38 pm

2 stops10h 28m

$704

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Mon 6/1

11:00 am-9:38 pm

1 stop10h 38m

London

Sun 6/7

5:10 am-8:53 am

1 stop3h 43m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Sorted by cheapest first

Best time to book a flight from Reagan-National to London

Have a flexible travel schedule? Discover the best time to fly to London from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to London from Washington, D.C. Reagan-National?

    Located just 5.3 mi from the city center, London is the airport most travelers will use when flying to London from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to London (YXU) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Reagan-National from 0 different airlines.

  • How long is the flight from Washington, D.C. Reagan-National Airport to London, Ontario?

    Airlines like Air Canada fly from Washington, D.C. Reagan-National Airport to London, Ontario in about 3h 55m. The time it takes to get you to your destination can typically vary by up to . The distance from Washington, D.C. Reagan-National Airport to London, Ontario is about 359 mi.

  • Can I find deals for flights from Reagan-National to London that include hotel bookings?

    Yes. In addition to deals on Reagan-National to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to London.

  • Can I find deals for business class flights from Reagan-National to London?

    Yes. Cheapflights offers flight deals from Reagan-National to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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