Cheap flights from London to Washington, D.C. Reagan-National Airport from £401

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
21 Apr — 28 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 22 March 2026.

Wed 22/408:40
LHR
-
DCA
1 stop14h 06m
JetBlue
Sat 25/406:00
DCA
-
LHR
1 stop9h 45m
JetBlue
Deal found 18/3£412
Fri 21/813:00
LHR
-
DCA
1 stop13h 26m
American Airlines
Mon 31/813:49
DCA
-
LHR
1 stop14h 16m
American Airlines
Deal found 20/3£417
Mon 24/809:15
LHR
-
DCA
1 stop14h 26m
American Airlines
Sun 30/817:45
DCA
-
LHR
1 stop13h 30m
American Airlines
Deal found 20/3£420
Wed 29/408:40
LHR
-
DCA
1 stop14h 06m
JetBlue
Sat 2/506:00
DCA
-
LHR
1 stop9h 45m
JetBlue
Deal found 18/3£429
Sun 23/809:30
LHR
-
DCA
1 stop11h 08m
Air Canada
Mon 31/812:40
DCA
-
LHR
1 stop12h 50m
Air Canada
Deal found 20/3£432
Sat 22/807:45
LHR
-
DCA
1 stop13h 08m
United Airlines
Tue 1/914:00
DCA
-
LHR
1 stop11h 45m
United Airlines
Deal found 20/3£433
Fri 12/614:05
LHR
-
DCA
1 stop12h 50m
Air Canada
Sun 14/620:40
DCA
-
LHR
1 stop10h 10m
Air Canada
Deal found 21/3£435
Wed 6/514:10
LHR
-
DCA
1 stop26h 51m
Air Canada
Mon 11/512:45
DCA
-
LHR
1 stop12h 45m
Air Canada
Deal found 17/3£439
Fri 21/815:00
LHR
-
DCA
1 stop13h 59m
American Airlines
Sun 30/806:30
DCA
-
LHR
1 stop10h 10m
American Airlines
Deal found 20/3£440
Mon 8/612:20
LGW
-
DCA
1 stop12h 39m
JetBlue
Wed 10/617:25
DCA
-
LGW
1 stop11h 10m
JetBlue
Deal found 20/3£441
Fri 24/414:05
LHR
-
DCA
1 stop30h 25m
Air Canada
Wed 6/512:45
DCA
-
LHR
1 stop14h 50m
Air Canada
Deal found 17/3£442
Mon 4/510:30
LHR
-
DCA
1 stop11h 15m
British Airways
Mon 11/516:43
DCA
-
LHR
1 stop10h 17m
British Airways
Deal found 20/3£448

Find flight deals from London to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 22 March 2026.

Round-trip from

£412

One-way from

£401

Popular in

June

Cheapest in

February

Average price

£565
JetBlue
  • JetBlue
  • 22/4-25/4
  • 2 total stops
  • 23h 51m total
  • London to Washington, D.C.
JetBlue
  • JetBlue
  • 2/6
  • 1 total stop
  • 30h 58m total
  • London to Washington, D.C.
Highest demand for flights based on searches. 14% potential increase in price (£68 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 22 March 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 return flight

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 23/4

11:30-22:29

2 stops15h 59m

Washington, D.C. Reagan-National

Mon 27/4

11:17-06:50

1 stop14h 33m

£463
Fastest return journey

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 21/4

10:30-16:45

1 stop11h 15m

Washington, D.C. Reagan-National

Tue 12/5

17:31-09:10

1 stop10h 39m

£479

LondonWashington, D.C.

LCY - DCA

LCYDCA

London City

Wed 22/4

19:15-22:29

2 stops32h 14m

Washington, D.C. Reagan-National

Sun 26/4

17:40-09:10

2 stops34h 30m

£497

LondonWashington, D.C.

LCY - DCA

LCYDCA

London City

Fri 17/4

19:15-20:00

2 stops29h 45m

Washington, D.C. Reagan-National

Wed 22/4

17:31-15:15

2 stops40h 44m

£504

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 6/5

10:30-16:45

1 stop11h 15m

Washington, D.C. Reagan-National

Wed 13/5

06:00-21:40

1 stop10h 40m

£525

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 22/7

06:45-20:51

2 stops19h 06m

Washington, D.C. Reagan-National

Wed 26/8

06:30-21:40

1 stop10h 10m

£532

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 20/7

06:15-20:51

2 stops19h 36m

Washington, D.C. Reagan-National

Wed 26/8

13:44-06:50

1 stop12h 06m

£532

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 22/5

12:00-19:48

1 stop12h 48m

Washington, D.C. Reagan-National

Sun 24/5

17:57-10:25

1 stop11h 28m

£576

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 31/7

07:00-23:22

2 stops21h 22m

Washington, D.C. Reagan-National

Sun 9/8

17:30-09:40

1 stop11h 10m

£584

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 7/4

09:15-16:47

1 stop12h 32m

Washington, D.C. Reagan-National

Fri 7/8

06:30-21:40

1 stop10h 10m

£597

Flights are sorted by cheapest return flights first.

Deals found on 17/3

Showing 1-10 of 58 resultsSorted by cheapest first
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6

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 return 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 to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of £377). Flying from London to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of £552). 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.

How much does it cost for a return flight from London to Washington, D.C. Reagan-National Airport?

What’s the top stopover airport for flights from London to Washington, D.C. Reagan-National Airport?

Share of one-stop return flights from London to Washington, D.C. Reagan-National Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

New York (JFK) – chosen by Cheapflights users on 43% of one-stop itineraries from London to Washington, D.C. Reagan-National Airport on Cheapflights.

What’s the cheapest stopover airport for flights from London to Washington, D.C. Reagan-National Airport?

Average return fare for one-stop flights from London to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £405.

What’s the fastest stopover option from London to Washington, D.C. Reagan-National Airport?

Shortest average travel time for one-stop one-way flights from London to Washington, D.C. Reagan-National Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for one-stop routes: 10h 58m.

Which airport typically offers the quickest stopover for flights from London to Washington, D.C. Reagan-National Airport?

Average stopover duration for one-stop one-way flights from London to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Philadelphia (PHL) offer the fastest connection on this route, with an average stopover time of 1h 25m.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated 22 March 2026.
Check out reviews from past customers who have flown with JetBlue,American Airlines, andIcelandair from London to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.5

Crew

8.0

Boarding

7.4

Overall

7.2

Food

6.6

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

FLL - ORH

I pay extra for an even more seat row 3, but the luggage area has no more spots so i have to place my luggage in row 10. This was totally un accepatable.

Comfort

7.5

Crew

8.0

Boarding

7.4

Overall

7.2

Food

6.6

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

FLL - ORH

I pay extra for an even more seat row 3, but the luggage area has no more spots so i have to place my luggage in row 10. This was totally un accepatable.

Comfort

7.5

Crew

8.0

Boarding

7.4

Overall

7.2

Food

6.6

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

FLL - ORH

I pay extra for an even more seat row 3, but the luggage area has no more spots so i have to place my luggage in row 10. This was totally un accepatable.

Comfort

7.5

Crew

8.0

Boarding

7.4

Overall

7.2

Food

6.6

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

FLL - ORH

I pay extra for an even more seat row 3, but the luggage area has no more spots so i have to place my luggage in row 10. This was totally un accepatable.

Comfort

7.5

Crew

8.0

Boarding

7.4

Overall

7.2

Food

6.6

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

FLL - ORH

I pay extra for an even more seat row 3, but the luggage area has no more spots so i have to place my luggage in row 10. This was totally un accepatable.

Comfort

7.5

Crew

8.0

Boarding

7.4

Overall

7.2

Food

6.6

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

FLL - ORH

I pay extra for an even more seat row 3, but the luggage area has no more spots so i have to place my luggage in row 10. This was totally un accepatable.

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

    Airlines like British Airways, United Airlines, and Finnair fly from London to Washington, D.C. Reagan-National Airport in about 12h 50m. The time it takes to get you to your destination can typically vary by up to 4h 19m. Airlines will cover a distance of 3652 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Washington, D.C. Reagan-National Airport round-trip?

    United Airlines, at £333, was found to be the cheapest airline from London to Washington, D.C. Reagan-National Airport.Alternate airlines flying return to your destination include Air Canada and JetBlue. United Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular routes from London to Washington, D.C. Reagan-National Airport?

  • 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 holiday 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 to Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of £377). Flying from London to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of £552). 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
Oxon Hill
Gaithersburg
Woodbridge
Arlington
Alexandria

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Alternative routes for London to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from London to Reagan-National

Discover the top 6 airlines that operate flights from London to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£333Average£536FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£401Average£618FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£416Average£621FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£432Average£559FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£438Average£550FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£529Average£587FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Reagan-National flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from London to Reagan-National on Cheapflights with our Price Alert feature and get notified when better prices are available.

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