Find flights
When to book
FAQs

Cheap flights from London, ON to Washington, D.C. Reagan-National Airport from C$ 335

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — DCA
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Reagan-National

Enter your travel dates to find the best prices.

Cheapest flights from London to Reagan-National
Explore the most affordable flight options available from London to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 February 2026.

Fri 10/45:10 a.m.
YXU
-
DCA
1 stop3h 43m
Air Canada
Fri 17/46:00 a.m.
DCA
-
YXU
2 stops11h 03m
Air Canada
Deal found 24/2C$ 586
Mon 30/35:40 p.m.
YXU
-
DCA
1 stop5h 03m
Air Canada
Tue 31/36:00 a.m.
DCA
-
YXU
2 stops11h 03m
Air Canada
Deal found 24/2C$ 613
Fri 10/47:30 a.m.
YXU
-
DCA
3 stops34h 33m
Multiple Airlines
Fri 17/46:00 a.m.
DCA
-
YXU
2 stops15h 18m
Multiple Airlines
Deal found 24/2C$ 1,031

Find flight deals from London to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Reagan-National (DCA). 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 26 February 2026.

Round-trip from

C$ 586

One-way from

C$ 335
Air Canada
  • Air Canada
  • 10/4-17/4
  • 3 total stops
  • 14h 46m total
  • London to Washington, D.C.
Search Deals
Air Canada
  • Air Canada
  • 9/4
  • 1 total stop
  • 3h 43m total
  • London to Washington, D.C.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Reagan-National 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 629,999 searches. Data last updated 26 February 2026.
Use the filters below to find and compare flights from London 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 10/4

5:10 a.m.-8:53 a.m.

1 stop3h 43m

Washington, D.C. Reagan-National

Fri 17/4

6:00 a.m.-5:03 p.m.

2 stops11h 03m

C$ 586

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Mon 30/3

5:10 a.m.-12:01 p.m.

2 stops6h 51m

Washington, D.C. Reagan-National

Tue 31/3

6:00 a.m.-5:03 p.m.

2 stops11h 03m

C$ 613

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Thu 9/4

5:10 a.m.-8:53 a.m.

1 stop3h 43m

C$ 335

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Thu 9/4

5:10 a.m.-8:53 a.m.

1 stop3h 43m

C$ 382

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Wed 8/4

5:10 a.m.-8:53 a.m.

1 stop3h 43m

C$ 406

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Thu 9/4

8:10 p.m.-12:02 p.m.

3 stops39h 52m

C$ 468

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/2

Sorted by cheapest first

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

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from London 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.

Cheapflights Insights

Everything you need to know about your flight from London to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from London, Ontario to Washington, D.C. Reagan-National Airport?

Currently, January is the cheapest month in which you can book a flight from London, Ontario to Washington, D.C. Reagan-National Airport (average of C$ 107). Flying from London, Ontario to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of C$ 285). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from London to Reagan-National. 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 from for flights from London to Washington, D.C. Reagan-National?

    For a flight from London to Washington, D.C. Reagan-National, you will be flying from London. London (YXU) is just 8.6 km from the centre of the city. London is the only London airport and it handles 0 outbound flights to Washington, D.C. Reagan-National per day. 0 airlines have flights to Washington, D.C. Reagan-National from London on a regular basis.

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

    For as low as C$ 586, Air Canada can have you in Washington, D.C. Reagan-National Airport from London, Ontario in 3h 43m. London, Ontario and Washington, D.C. Reagan-National Airport are separated by a distance of 578 km.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from London, Ontario to Washington, D.C. Reagan-National Airport?

    Currently, January is the cheapest month in which you can book a flight from London, Ontario to Washington, D.C. Reagan-National Airport (average of C$ 107). Flying from London, Ontario to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of C$ 285). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Silver Spring
Hanover
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Herndon
Manassas
Fredericksburg
Alexandria
Rockville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Reagan-National?

When you search for this flight from London to Reagan-National, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Reagan-National?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Reagan-National.

Can Cheapflights find flights from London to Reagan-National with no change fees?

Yes! Cheapflights helps users easily find flights from London to Reagan-National with no change fees.

Can Cheapflights notify me if prices for flights from London to Reagan-National become cheaper?

Yes! Start tracking prices for London to Reagan-National flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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.