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Cheap flights from London, ON to Washington, D.C. Reagan-National Airport from C$ 372

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — DCA
10 May — 17 May1
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 10 April 2026.

Thu 15/105:40 a.m.
YXU
-
DCA
2 stops6h 20m
Air Canada
Sun 18/1012:40 p.m.
DCA
-
YXU
2 stops9h 00m
Air Canada
Deal found 8/4C$ 659
Fri 22/55:10 a.m.
YXU
-
DCA
2 stops6h 51m
Air Canada
Tue 26/56:59 a.m.
DCA
-
YXU
1 stop4h 44m
Air Canada
Deal found 5/4C$ 663
Sat 2/55:10 a.m.
YXU
-
DCA
1 stop3h 43m
Air Canada
Wed 6/56:59 a.m.
DCA
-
YXU
1 stop4h 44m
Air Canada
Deal found 9/4C$ 710
Sat 23/512:20 p.m.
YXU
-
DCA
1 stop5h 53m
United Airlines
Sat 30/59:30 a.m.
DCA
-
YXU
2 stops12h 08m
United Airlines
Deal found 8/4C$ 779
Thu 2/76:10 a.m.
YXU
-
DCA
2 stops16h 49m
WestJet
Tue 14/73:15 p.m.
DCA
-
YXU
2 stops14h 05m
WestJet
Deal found 6/4C$ 1,486

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 10 April 2026.

Round-trip from

C$ 663

One-way from

C$ 372
Air Canada
  • Air Canada
  • 22/5-26/5
  • 2 total stops
  • 10h 37m total
  • London to Washington, D.C.
Search Deals
Air Canada
  • Air Canada
  • 21/5
  • 1 total stop
  • 5h 53m 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 10 April 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

Cheapest round-trip
Quickest round-trip

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 22/5

12:20 p.m.-6:13 p.m.

1 stop5h 53m

Washington, D.C. Reagan-National

Tue 26/5

6:59 a.m.-11:43 a.m.

1 stop4h 44m

C$ 663

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sat 2/5

12:20 p.m.-6:13 p.m.

1 stop5h 53m

Washington, D.C. Reagan-National

Wed 6/5

6:59 a.m.-11:43 a.m.

1 stop4h 44m

C$ 710

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sat 23/5

6:10 p.m.-10:28 p.m.

1 stop4h 18m

Washington, D.C. Reagan-National

Sat 30/5

6:59 a.m.-5:33 p.m.

1 stop10h 34m

C$ 718
Cheapest one-way

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Thu 21/5

12:20 p.m.-6:13 p.m.

1 stop5h 53m

C$ 372

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sat 23/5

12:20 p.m.-6:13 p.m.

1 stop5h 53m

C$ 372

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Thu 21/5

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

2 stops12h 02m

C$ 416

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sat 23/5

5:10 a.m.-2:23 p.m.

2 stops9h 13m

C$ 428
Quickest one-way

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Wed 15/4

5:40 p.m.-10:33 p.m.

1 stop4h 53m

C$ 462

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Wed 15/4

9:25 a.m.-10:48 p.m.

2 stops13h 23m

C$ 511

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sat 23/5

6:10 a.m.-12:59 p.m.

3 stops30h 49m

C$ 527

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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$ 108). Flying from London, Ontario to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of C$ 320). 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$ 663, Air Canada can have you in Washington, D.C. Reagan-National Airport from London, Ontario in 5h 53m. 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$ 108). Flying from London, Ontario to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of C$ 320). 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

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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.

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