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Cheap flights from London, ON to Washington, D.C. Reagan-National Airport from C$ 432

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 18/12. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — DCA
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 5 November 2025.

Round-trip from

C$ 655

One-way from

C$ 432
Air Canada
  • Air Canada
  • 24/4-27/4
  • 3 total stops
  • 13h 22m total
  • London to Washington, D.C.
Search Deals
United Airlines
  • United Airlines
  • 18/12
  • 1 total stop
  • 4h 55m total
  • London to Washington, D.C.
Search Deals

Find 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 5 November 2025.

Sat 20/129:25 a.m.YXU - DCA
2 stops11h 34mUnited Airlines
Sat 27/127:30 a.m.DCA - YXU
2 stops13h 51mUnited Airlines
Deal found 5/11C$ 1,121

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 5 November 2025.
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

London

Fly to

Reagan-National

Route

Depart

Return

Price

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 24/4

5:10 a.m.-3:24 p.m.

2 stops10h 14m

Washington, D.C. Reagan-National

Mon 27/4

11:05 a.m.-9:18 p.m.

2 stops10h 13m

C$ 655

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Thu 18/12

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

1 stop4h 55m

C$ 432

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

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, December is the cheapest month in which you can book a flight from London, Ontario to Washington, D.C. Reagan-National Airport (average of C$ 190). Flying from London, Ontario to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of C$ 291). 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$ 655, Air Canada can have you in Washington, D.C. Reagan-National Airport from London, Ontario in 10h 14m. 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, December is the cheapest month in which you can book a flight from London, Ontario to Washington, D.C. Reagan-National Airport (average of C$ 190). Flying from London, Ontario to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of C$ 291). 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
Hanover
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Herndon
Arlington
Manassas
Fredericksburg
Alexandria
Rockville

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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.

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

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