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Cheap flights from Washington, D.C. Reagan-National Airport to London Gatwick Airport from £278

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LGW
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 December 2025.

Tue 16/1211:47DCA - LGW
1 stop14h 43mBritish Airways
Wed 14/111:20LGW - DCA
1 stop15h 04mBritish Airways
Deal found 1/12£482
Wed 10/1211:45DCA - LGW
2 stops16h 15mAmerican Airlines
Thu 25/1212:30LGW - DCA
2 stops27h 27mAmerican Airlines
Deal found 1/12£550
Wed 3/1206:59DCA - LGW
3 stops31h 46mMultiple Airlines
Wed 10/1207:40LGW - DCA
3 stops30h 15mMultiple Airlines
Deal found 2/12£561
Sun 7/1207:30DCA - LGW
2 stops22h 25mIcelandair
Fri 12/1211:55LGW - DCA
2 stops31h 49mIcelandair
Deal found 1/12£563
Sun 7/1216:10DCA - LGW
2 stops16h 35mMultiple Airlines
Thu 25/1207:00LGW - DCA
2 stops32h 21mMultiple Airlines
Deal found 1/12£570
Sun 7/1211:05DCA - LGW
3 stops27h 40mMultiple Airlines
Wed 10/1220:30LGW - DCA
3 stops24h 01mMultiple Airlines
Deal found 1/12£587
Tue 16/1208:19DCA - LGW
1 stop18h 11mBritish Airways
Fri 9/111:20LGW - DCA
1 stop15h 04mBritish Airways
Deal found 2/12£591
Sun 7/1207:30DCA - LGW
2 stops22h 25mIcelandair
Sun 11/111:55LGW - DCA
2 stops14h 50mIcelandair
Deal found 1/12£595
Sat 6/1216:15DCA - LGW
2 stops13h 40mIcelandair
Fri 12/1211:55LGW - DCA
2 stops31h 49mIcelandair
Deal found 1/12£600
Sun 7/1216:10DCA - LGW
2 stops16h 35mMultiple Airlines
Sun 14/1220:50LGW - DCA
3 stops23h 41mMultiple Airlines
Deal found 2/12£606

Find 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 3 December 2025.

Round-trip from

£446

One-way from

£278

Popular in

December

Cheapest in

September

Average price

£736
22/1-29/1
  • 22/1-29/1
  • 2 total stops
  • 34h 28m total
  • Washington, D.C. to London
Search Deals
Icelandair
  • Icelandair
  • 8/12
  • 2 total stops
  • 13h 00m total
  • Washington, D.C. to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 3 December 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 22/1

13:44-09:00

1 stop14h 16m

London Gatwick

Thu 29/1

12:30-10:15

1 stop26h 45m

£450

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 27/1

13:00-10:55

2 stops16h 55m

London Gatwick

Tue 10/2

11:55-21:51

2 stops14h 56m

£602

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 21/1

15:25-10:55

2 stops14h 30m

London Gatwick

Wed 4/2

11:55-21:45

2 stops14h 50m

£602

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 7/1

15:25-10:55

2 stops14h 30m

London Gatwick

Thu 15/1

11:55-21:45

2 stops14h 50m

£602

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 21/5

18:45-09:35

1 stop9h 50m

London Gatwick

Thu 11/6

12:10-19:59

1 stop12h 49m

£623

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 15/1

15:25-10:55

2 stops14h 30m

London Gatwick

Thu 22/1

11:55-21:45

2 stops14h 50m

£634

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sun 24/5

17:15-09:35

1 stop11h 20m

London Gatwick

Fri 29/5

12:10-19:59

1 stop12h 49m

£640

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Fri 6/2

13:00-10:55

2 stops16h 55m

London Gatwick

Tue 10/2

11:55-21:51

2 stops14h 56m

£640

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 26/1

15:25-10:55

2 stops14h 30m

London Gatwick

Mon 9/2

11:55-21:51

2 stops14h 56m

£640

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Fri 16/1

15:25-10:55

2 stops14h 30m

London Gatwick

Fri 23/1

11:55-21:45

2 stops14h 50m

£647

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 24 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 £623, Icelandair can have you in London Gatwick Airport from Washington, D.C. Reagan-National Airport in 9h 50m. Washington, D.C. Reagan-National Airport and London Gatwick Airport are separated by a distance of 3670 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Romford
Bedford
Chichester
Guildford
Ipswich

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