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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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LGW
16 Mar — 23 Mar1
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 14 February 2026.

Mon 9/312:55
DCA
-
LGW
3 stops27h 20m
Multiple Airlines
Sun 15/306:50
LGW
-
DCA
2 stops19h 06m
Multiple Airlines
Deal found 11/2£445
Tue 3/311:35
DCA
-
LGW
1 stop14h 55m
British Airways
Tue 10/311:20
LGW
-
DCA
1 stop16h 25m
British Airways
Deal found 13/2£448
Mon 2/316:10
DCA
-
LGW
2 stops22h 15m
Multiple Airlines
Mon 9/306:55
LGW
-
DCA
3 stops30h 00m
Multiple Airlines
Deal found 12/2£452
Mon 9/316:10
DCA
-
LGW
2 stops24h 05m
Multiple Airlines
Mon 16/306:55
LGW
-
DCA
3 stops30h 00m
Multiple Airlines
Deal found 11/2£453
Mon 9/316:10
DCA
-
LGW
2 stops23h 15m
Multiple Airlines
Wed 18/308:40
LGW
-
DCA
3 stops28h 15m
Multiple Airlines
Deal found 12/2£453
Wed 11/316:10
DCA
-
LGW
2 stops22h 55m
Multiple Airlines
Wed 18/317:30
LGW
-
DCA
3 stops32h 26m
Multiple Airlines
Deal found 11/2£455
Wed 2/910:04
DCA
-
LGW
1 stop19h 36m
British Airways
Fri 18/910:45
LGW
-
DCA
1 stop17h 30m
British Airways
Deal found 10/2£467
Wed 2/908:20
DCA
-
LGW
1 stop21h 20m
American Airlines
Wed 9/912:20
LGW
-
DCA
1 stop14h 10m
American Airlines
Deal found 10/2£469
Thu 5/316:10
DCA
-
LGW
2 stops16h 45m
Multiple Airlines
Mon 9/306:55
LGW
-
DCA
3 stops30h 00m
Multiple Airlines
Deal found 11/2£470

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 14 February 2026.

Round-trip from

£445

One-way from

£243

Popular in

June

Cheapest in

September

Average price

£471
9/3-15/3
  • 9/3-15/3
  • 5 total stops
  • 46h 26m total
  • Washington, D.C. to London
Search Deals
25/4
  • 25/4
  • 3 total stops
  • 31h 05m total
  • Washington, D.C. to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£52 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 14 February 2026.
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

Wed 25/2

15:40-10:55

2 stops14h 15m

London Gatwick

Wed 4/3

11:55-22:59

2 stops16h 04m

£588

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 26/2

14:05-10:55

2 stops15h 50m

London Gatwick

Tue 3/3

11:55-14:58

2 stops32h 03m

£655

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sat 18/4

17:45-16:25

2 stops17h 40m

London Gatwick

Sun 26/4

10:00-22:41

2 stops17h 41m

£678

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sun 2/8

14:15-09:35

1 stop14h 20m

London Gatwick

Wed 5/8

12:20-19:59

1 stop12h 39m

£706

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 14/7

18:41-09:35

1 stop9h 54m

London Gatwick

Wed 29/7

12:20-19:59

1 stop12h 39m

£729

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 5/8

20:30-16:25

2 stops14h 55m

London Gatwick

Wed 19/8

10:00-07:22

2 stops26h 22m

£748

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sat 21/3

17:05-16:25

2 stops19h 20m

London Gatwick

Thu 26/3

10:00-22:36

2 stops16h 36m

£779

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 1/4

13:59-08:40

1 stop13h 41m

London Gatwick

Mon 6/4

14:00-23:45

1 stop14h 45m

£790

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 25/5

15:59-09:35

1 stop12h 36m

London Gatwick

Mon 1/6

12:20-19:59

1 stop12h 39m

£801

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 13/4

19:59-14:40

2 stops13h 41m

London Gatwick

Sat 18/4

15:40-07:59

2 stops45h 19m

£812

Flights are sorted by cheapest return flights first.

Deals found on 11/2

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 £706, Icelandair can have you in London Gatwick Airport from Washington, D.C. Reagan-National Airport in 14h 20m. 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
Luton
Wembley
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Bedford
Romford

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