Cheap flights from London to Washington, D.C. Reagan-National Airport from £396

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
24 Aug — 31 Aug1
1 adult

Cheapflights Tip: The best prices from London to Washington, D.C. Reagan-National are usually found in February or January, booked 24 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap 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 19 August 2025.

Round-trip from

£431

One-way from

£396

Popular in

December

Cheapest in

February

Average price

£634
JetBlue
  • JetBlue
  • 10/9-18/9
  • 2 total stops
  • 29h 00m total
  • London to Washington, D.C.
15/10
  • 15/10
  • 2 total stops
  • 27h 04m total
  • London to Washington, D.C.
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from London to Reagan-National

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 19 August 2025.

Wed 10/912:10LGW - DCA
1 stop13h 45mJetBlue
Thu 18/913:20DCA - LGW
1 stop15h 15mJetBlue
Deal found 18/8£431
Mon 8/912:10LGW - DCA
1 stop24h 49mJetBlue
Mon 22/917:55DCA - LGW
1 stop10h 40mJetBlue
Deal found 18/8£432
Thu 11/912:10LGW - DCA
1 stop13h 45mJetBlue
Mon 15/916:45DCA - LGW
1 stop11h 50mJetBlue
Deal found 18/8£433
Sun 5/1008:15LHR - DCA
1 stop19h 41mJetBlue
Sun 12/1017:20DCA - LHR
1 stop22h 25mJetBlue
Deal found 18/8£433
Thu 6/1107:25LHR - DCA
1 stop20h 33mJetBlue
Mon 10/1116:55DCA - LHR
1 stop11h 35mJetBlue
Deal found 18/8£434
Thu 2/1012:10LGW - DCA
1 stop26h 46mJetBlue
Tue 7/1018:55DCA - LGW
1 stop9h 40mJetBlue
Deal found 18/8£435
Wed 15/1008:25LHR - DCA
1 stop12h 31mJetBlue
Mon 20/1011:15DCA - LHR
1 stop14h 15mJetBlue
Deal found 18/8£435
Tue 2/912:10LGW - DCA
1 stop12h 53mJetBlue
Sat 13/915:15DCA - LGW
1 stop13h 20mJetBlue
Deal found 18/8£436
Sun 7/908:25LHR - DCA
1 stop28h 44mJetBlue
Wed 10/1216:55DCA - LHR
1 stop9h 00mJetBlue
Deal found 18/8£436
Sun 7/908:25LHR - DCA
1 stop28h 44mJetBlue
Thu 18/913:20DCA - LHR
1 stop12h 10mJetBlue
Deal found 18/8£437
Thu 6/1109:20LHR - DCA
1 stop15h 32mIcelandair
Mon 10/1106:24DCA - LHR
1 stop9h 21mIcelandair
Deal found 19/8£437
Mon 15/912:10LGW - DCA
1 stop13h 45mJetBlue
Mon 22/917:55DCA - LGW
1 stop10h 40mJetBlue
Deal found 17/8£438

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 19 August 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.

LGW - DCA

LGWDCA

London Gatwick

Wed 10/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Thu 18/9

13:20-09:35

1 stop15h 15m

£431

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 9/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Sun 21/9

16:40-09:35

1 stop11h 55m

£432

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Mon 8/9

12:10-07:59

1 stop24h 49m

Washington, D.C. Reagan-National

Mon 22/9

17:55-09:35

1 stop10h 40m

£432

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 10/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Sun 21/9

16:40-09:35

1 stop11h 55m

£432

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 11/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Tue 16/9

18:59-09:35

1 stop9h 36m

£433

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 6/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Tue 23/9

11:55-09:35

1 stop16h 40m

£433

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 12/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Wed 17/9

16:45-09:35

1 stop11h 50m

£433

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 6/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Mon 22/9

17:55-09:35

1 stop10h 40m

£433

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 6/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Wed 24/9

11:55-09:35

1 stop16h 40m

£433

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 10/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Sun 14/9

13:20-09:35

1 stop15h 15m

£433

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 58 results
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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

How far ahead should I book a flight from London to Washington, D.C. Reagan-National Airport?

Use this chart to determine the optimal time to book a return flight from London to Reagan-National. Price data was last updated on 8 August 2025.

The price you pay for your flight from London to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 £625). Flying from London to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £856). 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.

What is the cheapest time of day to fly from LON to DCA?

Find hourly flight availability from London to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

It’s optimal to fly from London to Washington, D.C. Reagan-National Airport in the morning. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the evening.

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.

Boston (BOS) – chosen by Cheapflights users on 41% 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 £289.

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 Dublin (DUB) have the shortest average one-way travel time for one-stop routes: 10h 50m.

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 Newark (EWR) offer the fastest connection on this route, with an average stopover time of 1h 21m.

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 19 August 2025.
Check out reviews from past customers who have flown with Finnair, Virgin Atlantic, andJetBlue 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.

Overall

7.6

Boarding

7.6

Comfort

7.5

Entertainment

6.9

Food

6.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Boarding

7.6

Comfort

7.5

Entertainment

6.9

Food

6.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Boarding

7.6

Comfort

7.5

Entertainment

6.9

Food

6.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Boarding

7.6

Comfort

7.5

Entertainment

6.9

Food

6.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Boarding

7.6

Comfort

7.5

Entertainment

6.9

Food

6.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Boarding

7.6

Comfort

7.5

Entertainment

6.9

Food

6.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 JetBlue fly from London to Washington, D.C. Reagan-National Airport in about 13h 45m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3670 mi.

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

    Icelandair, at £361, was found to be the cheapest airline from London to Washington, D.C. Reagan-National Airport.Alternate airlines flying return to your destination include JetBlue and Virgin Atlantic. Icelandair is 35% 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 £625). Flying from London to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £856). 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
Woodbridge
Arlington
College Park
Laurel
Tysons

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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 8 airlines flying from London to Reagan-National

Discover the top 8 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 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£361Average£517FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£372Average£627FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Virgin AtlanticCheapest£461Average£636FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£475Average£634FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£484Average£643FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£487Average£649FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£495Average£573FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£495Average£637FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

Deals for London to Reagan-National flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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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