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Cheap flights from Washington, D.C. Reagan-National Airport to London Gatwick Airport from £197

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LGW
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

£410

One-way from

£197

Popular in

June

Cheapest in

September

Average price

£466
American Airlines
  • American Airlines
  • 8/10-15/10
  • 2 total stops
  • 25h 07m total
  • Washington, D.C. to London
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18/10
  • 18/10
  • 2 total stops
  • 15h 30m total
  • Washington, D.C. to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£53 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Reagan-National to Gatwick

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 17 September 2025.

Wed 8/1014:55DCA - LGW
1 stop12h 15mAmerican Airlines
Wed 15/1015:05LGW - DCA
1 stop12h 52mAmerican Airlines
Deal found 14/9£410
Tue 14/1010:00DCA - LGW
1 stop15h 35mAmerican Airlines
Tue 21/1012:20LGW - DCA
1 stop13h 40mAmerican Airlines
Deal found 16/9£411
Sun 5/1010:22DCA - LGW
1 stop17h 13mAmerican Airlines
Wed 15/1012:20LGW - DCA
2 stops16h 39mAmerican Airlines
Deal found 16/9£414
Mon 10/1106:00DCA - LGW
2 stops34h 10mMultiple Airlines
Fri 14/1106:50LGW - DCA
2 stops32h 36mMultiple Airlines
Deal found 16/9£436
Sat 27/913:20DCA - LGW
1 stop15h 15mJetBlue
Tue 7/1012:10LGW - DCA
1 stop13h 49mJetBlue
Deal found 15/9£439
Mon 22/917:55DCA - LGW
1 stop10h 40mJetBlue
Sat 27/912:10LGW - DCA
1 stop13h 45mJetBlue
Deal found 16/9£440
Wed 26/1106:00DCA - LGW
3 stops29h 25mMultiple Airlines
Wed 3/1207:25LGW - DCA
2 stops19h 31mMultiple Airlines
Deal found 14/9£441
Wed 19/1116:10DCA - LGW
2 stops16h 25mMultiple Airlines
Mon 1/1216:25LGW - DCA
3 stops28h 06mMultiple Airlines
Deal found 14/9£442
Wed 1/1013:39DCA - LGW
1 stop13h 31mBritish Airways
Tue 7/1015:05LGW - DCA
1 stop12h 52mBritish Airways
Deal found 14/9£447

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 17 September 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

Sun 28/9

18:59-09:35

1 stop9h 36m

London Gatwick

Tue 7/10

12:10-20:59

1 stop13h 49m

£439

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 29/9

18:59-09:35

1 stop9h 36m

London Gatwick

Fri 3/10

12:10-20:55

1 stop13h 45m

£439

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 30/9

18:59-09:35

1 stop9h 36m

London Gatwick

Sat 4/10

12:10-20:55

1 stop13h 45m

£439

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sat 27/9

13:20-09:35

1 stop15h 15m

London Gatwick

Tue 7/10

12:10-20:59

1 stop13h 49m

£439

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 29/9

18:59-09:35

1 stop9h 36m

London Gatwick

Sat 4/10

12:10-20:55

1 stop13h 45m

£439

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 7/10

18:55-09:35

1 stop9h 40m

London Gatwick

Tue 21/10

12:10-20:59

1 stop13h 49m

£450

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 2/10

13:20-09:35

1 stop15h 15m

London Gatwick

Wed 8/10

12:10-20:59

1 stop13h 49m

£450

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 9/10

06:38-08:10

1 stop20h 32m

London Gatwick

Wed 15/10

15:05-07:50

1 stop21h 45m

£455

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 16/10

13:59-09:35

1 stop14h 36m

London Gatwick

Tue 21/10

12:10-20:59

1 stop13h 49m

£461

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sat 4/10

15:15-09:35

1 stop13h 20m

London Gatwick

Tue 7/10

12:10-20:59

1 stop13h 49m

£461

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 19 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 £439, JetBlue can have you in London Gatwick Airport from Washington, D.C. Reagan-National Airport in 9h 36m. 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.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to London Gatwick Airport?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to London Gatwick Airport (average of £102). Flying from Washington, D.C. Reagan-National Airport to London Gatwick Airport in July is currently the most expensive (average of £142). 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 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
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Dartford
Guildford
Brentford
Bishop's Stortford
Romford

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