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Cheap flights from Washington, D.C. Reagan-National Airport to London Gatwick Airport from £243

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LGW
19 Dec — 26 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Reagan-National to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Gatwick (LGW). 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 November 2025.

Round-trip from

£449

One-way from

£243

Popular in

December

Cheapest in

September

Average price

£590
2/12-8/12
  • 2/12-8/12
  • 6 total stops
  • 57h 10m total
  • Washington, D.C. to London
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10/12
  • 10/12
  • 2 total stops
  • 35h 00m total
  • Washington, D.C. to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£33 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Reagan-National to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Reagan-National to Gatwick
Explore the most affordable flight options available from Reagan-National to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 November 2025.

Tue 2/1211:05DCA - LGW
3 stops26h 25mMultiple Airlines
Mon 8/1216:20LGW - DCA
3 stops30h 45mMultiple Airlines
Deal found 16/11£449
Mon 1/1216:10DCA - LGW
3 stops23h 50mMultiple Airlines
Mon 8/1216:20LGW - DCA
3 stops30h 45mMultiple Airlines
Deal found 16/11£454
Tue 2/1208:40DCA - LGW
2 stops17h 50mAmerican Airlines
Wed 10/1212:30LGW - DCA
2 stops17h 08mAmerican Airlines
Deal found 15/11£464
Tue 2/1211:05DCA - LGW
3 stops26h 25mMultiple Airlines
Sat 6/1222:30LGW - DCA
2 stops26h 15mMultiple Airlines
Deal found 17/11£468
Mon 24/1111:05DCA - LGW
2 stops27h 20mMultiple Airlines
Mon 1/1208:55LGW - DCA
3 stops35h 36mMultiple Airlines
Deal found 17/11£471
Sun 7/1216:10DCA - LGW
2 stops17h 30mMultiple Airlines
Tue 16/1206:45LGW - DCA
2 stops20h 11mMultiple Airlines
Deal found 18/11£475
Wed 10/1211:45DCA - LGW
2 stops16h 15mAmerican Airlines
Thu 8/112:30LGW - DCA
2 stops17h 04mAmerican Airlines
Deal found 15/11£478
Tue 16/1211:47DCA - LGW
1 stop14h 43mBritish Airways
Tue 27/111:20LGW - DCA
1 stop15h 04mBritish Airways
Deal found 18/11£515

Cheapflights Fare Finder

 
Customise your flight search to find flights from Reagan-National to Gatwick 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 November 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to London Gatwick Airport that are best for you.

Fly from

Reagan-National

Fly to

Gatwick

Route

Depart

Return

Price

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 15/1

08:36-09:00

1 stop19h 24m

London Gatwick

Wed 21/1

12:30-10:15

1 stop26h 45m

£452

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 15/4

17:55-14:40

2 stops15h 45m

London Gatwick

Wed 22/4

15:40-08:01

2 stops21h 21m

£572

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sun 11/1

15:30-10:55

2 stops14h 25m

London Gatwick

Sat 17/1

11:55-21:51

2 stops14h 56m

£672

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 2/12

17:02-16:25

2 stops18h 23m

London Gatwick

Wed 10/12

10:00-22:57

2 stops17h 57m

£680

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Fri 30/1

06:00-10:55

3 stops23h 55m

London Gatwick

Sun 8/2

11:55-12:19

3 stops29h 24m

£682

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 9/12

17:02-16:25

2 stops18h 23m

London Gatwick

Sun 14/12

10:00-10:05

2 stops29h 05m

£709

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 9/12

17:02-16:25

2 stops18h 23m

London Gatwick

Tue 16/12

10:00-10:05

2 stops29h 05m

£709

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 1/12

12:55-09:45

2 stops15h 50m

London Gatwick

Sat 6/12

11:40-19:45

1 stop13h 05m

£722

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sun 29/3

17:15-14:40

2 stops16h 25m

London Gatwick

Sat 4/4

15:40-10:00

2 stops23h 20m

£765

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 26/3

07:15-10:55

2 stops23h 40m

London Gatwick

Sun 5/4

15:40-08:01

2 stops21h 21m

£776

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 23 results
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Best time to book a flight from Reagan-National to Gatwick

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

Related info for your journey

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

    For as low as £572, Icelandair can have you in London Gatwick Airport from Washington, D.C. Reagan-National Airport in 15h 45m. Washington, D.C. Reagan-National Airport and London Gatwick Airport are separated by a distance of 3670 mi.

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

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

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

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

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

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

See more FAQs

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Crawley
Brentford
Romford
Chichester
Ipswich
Bedford
Eastbourne

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