HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$739+ Cheap flights from Reagan-National (DCA) to London, ON (YXU)

DCA — YXU
Dec 11 — Dec 181
Fri 12/11
Fri 12/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Reagan-National to London

Cheapest flights from Reagan-National to London

Sun 12/139:40 am -
1 stop5h 02m
Mon 12/213:20 pm -
1 stop4h 38m
Deal found 11/9$739
Tue 12/19:40 am -
1 stop5h 02m
Fri 12/113:20 pm -
1 stop4h 38m
Deal found 11/10$741
Sun 12/139:00 pm -
2 stops20h 45m
Mon 12/216:15 am -
1 stop7h 50m
Deal found 11/9$761
Fri 12/119:40 am -
1 stop5h 02m
Fri 12/183:20 pm -
1 stop4h 38m
Deal found 11/10$764
Fri 12/2511:05 am -
2 stops10h 47m
Fri 1/13:20 pm -
1 stop4h 38m
Deal found 11/10$773
Tue 12/110:05 am -
2 stops10h 22m
Fri 12/115:30 am -
2 stops9h 54m
Deal found 11/10$932
Wed 12/236:17 am -
2 stops16h 38m
Wed 12/306:15 am -
1 stop7h 50m
Deal found 11/8$1,039
Fri 12/119:40 am -
1 stop5h 02m
Fri 12/185:30 am -
2 stops8h 35m
Deal found 11/10$1,101
Thu 12/249:40 am -
1 stop12h 12m
Thu 12/313:20 pm -
1 stop4h 38m
Deal found 11/9$1,110
Mon 12/216:00 am -
1 stop7h 45m
Mon 12/286:15 am -
2 stops10h 44m
Deal found 11/6$1,115

Find flight deals from Reagan-National to London

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$739
(Air Canada)
Provider with most accurate pricing for Washington, D.C. Reagan-National-London flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-London flights.
Search Deals
From Washington, D.C. Reagan-National to London
Search Deals

Cheapflights Fare Finder

 
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
Quickest round-trip

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Sun 12/13

9:40 am-2:42 pm

1 stop5h 02m

London

Mon 12/21

3:20 pm-7:58 pm

1 stop4h 38m

$739

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Tue 12/1

9:40 am-2:42 pm

1 stop5h 02m

London

Fri 12/11

3:20 pm-7:58 pm

1 stop4h 38m

$741

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Fri 1/22

6:00 am-5:07 pm

2 stops11h 07m

London

Mon 1/25

9:15 am-3:24 pm

2 stops6h 09m

$759

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Fri 12/11

9:40 am-2:42 pm

1 stop5h 02m

London

Fri 12/18

3:20 pm-7:58 pm

1 stop4h 38m

$764

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Wed 12/23

9:40 am-2:47 pm

1 stop5h 07m

London

Wed 12/30

3:20 pm-7:58 pm

1 stop4h 38m

$817

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Thu 1/7

9:40 am-5:07 pm

1 stop7h 27m

London

Mon 1/11

5:50 pm-10:38 pm

1 stop4h 48m

$839

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Thu 3/18

9:40 am-9:49 pm

1 stop12h 09m

London

Sat 3/27

9:15 am-3:18 pm

2 stops6h 03m

$848

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Wed 12/23

6:17 am-10:55 pm

2 stops16h 38m

London

Wed 12/30

6:15 am-2:05 pm

1 stop7h 50m

$1,039

Washington, D.C.London

DCA Washington, D.C. Reagan-National - YXU London

DCAYXU

Washington, D.C. Reagan-National

Thu 3/18

10:00 am-9:49 pm

2 stops11h 49m

London

Sat 3/27

9:15 am-3:18 pm

2 stops6h 03m

$1,071

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-London, Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-London, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-London, Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-London, Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-London, Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Related info for your journey

  • 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 5h 02m. 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

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights