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Cheap Flights from Washington D.C. (DCA) to London (LGW)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Washington Ronald Reagan to London Gatwick flight deals

      Find the cheapest month or even day of the year to fly to London Gatwick

      Book the best London Gatwick fare with no extra fees

      Flight deals from Washington Ronald Reagan to London Gatwick

      Looking for a cheap last-minute deal or the best return flight from Washington Ronald Reagan Airport to London Gatwick Airport? If you want to travel next month, return fares start from $1,056. Find the lowest prices on one-way and return tickets right here.
      London.$1,052 per passenger.Departing Sun, 27 Sep, returning Sat, 3 Oct.Return flight with Air Canada and Air Transat.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Sun, 27 Sep, arriving in London Gatwick.Inbound indirect flight with Air Transat, departs from London Gatwick on Sat, 3 Oct, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,052, select.
      London.$1,056 per passenger.Departing Fri, 16 Oct, returning Fri, 23 Oct.Return flight with Air Canada and Air Transat.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Fri, 16 Oct, arriving in London Gatwick.Inbound indirect flight with Air Transat, departs from London Gatwick on Fri, 23 Oct, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,056, select.
      London.$1,075 per passenger.Departing Fri, 23 Oct, returning Fri, 6 Nov.Return flight with Air Canada and Air Transat.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Fri, 23 Oct, arriving in London Gatwick.Inbound indirect flight with Air Transat, departs from London Gatwick on Fri, 6 Nov, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,075, select.
      London.$1,218 per passenger.Departing Tue, 17 Nov, returning Fri, 18 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Tue, 17 Nov, arriving in London Gatwick.Inbound indirect flight with Delta, departs from London Gatwick on Fri, 18 Dec, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,218, select.
      London.$1,224 per passenger.Departing Mon, 2 Nov, returning Sun, 15 Nov.Return flight with jetBlue and Norse Atlantic Airways (UK).Outbound indirect flight with jetBlue, departs from Washington Ronald Reagan on Mon, 2 Nov, arriving in London Gatwick.Inbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Sun, 15 Nov, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,224, select.
      London.$1,299 per passenger.Departing Mon, 22 Mar, returning Mon, 29 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Mon, 22 Mar, arriving in London Gatwick.Inbound indirect flight with Delta, departs from London Gatwick on Mon, 29 Mar, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,299, select.
      London.$1,353 per passenger.Departing Fri, 4 Dec, returning Mon, 14 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Fri, 4 Dec, arriving in London Gatwick.Inbound indirect flight with Delta, departs from London Gatwick on Mon, 14 Dec, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,353, select.
      London.$1,458 per passenger.Departing Tue, 8 Sep, returning Tue, 15 Sep.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Washington Ronald Reagan on Tue, 8 Sep, arriving in London Gatwick.Inbound indirect flight with Iberia, departs from London Gatwick on Tue, 15 Sep, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,458, select.
      London.$1,682 per passenger.Departing Wed, 20 Jan, returning Sun, 31 Jan.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Washington Ronald Reagan on Wed, 20 Jan, arriving in London Gatwick.Inbound indirect flight with TAP Air Portugal, departs from London Gatwick on Sun, 31 Jan, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,682, select.
      London.$1,698 per passenger.Departing Wed, 9 Dec, returning Thu, 14 Jan.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Washington Ronald Reagan on Wed, 9 Dec, arriving in London Gatwick.Inbound indirect flight with TAP Air Portugal, departs from London Gatwick on Thu, 14 Jan, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,698, select.
      London.$1,714 per passenger.Departing Thu, 24 Jun, returning Thu, 1 Jul.Return flight with jetBlue and TAP Air Portugal.Outbound indirect flight with jetBlue, departs from Washington Ronald Reagan on Thu, 24 Jun, arriving in London Gatwick.Inbound indirect flight with TAP Air Portugal, departs from London Gatwick on Thu, 1 Jul, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,714, select.
      London.$1,714 per passenger.Departing Wed, 24 Feb, returning Wed, 3 Mar.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Washington Ronald Reagan on Wed, 24 Feb, arriving in London Gatwick.Inbound indirect flight with TAP Air Portugal, departs from London Gatwick on Wed, 3 Mar, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,714, select.
      London.$1,738 per passenger.Departing Thu, 4 Feb, returning Mon, 8 Feb.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Washington Ronald Reagan on Thu, 4 Feb, arriving in London Gatwick.Inbound indirect flight with TAP Air Portugal, departs from London Gatwick on Mon, 8 Feb, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,738, select.
      London.$1,821 per passenger.Departing Wed, 30 Sep, returning Tue, 3 Nov.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Washington Ronald Reagan on Wed, 30 Sep, arriving in London Gatwick.Inbound indirect flight with TAP Air Portugal, departs from London Gatwick on Tue, 3 Nov, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,821, select.
      London.$2,011 per passenger.Departing Tue, 4 May, returning Sun, 9 May.Return flight with jetBlue and Ryanair.Outbound indirect flight with jetBlue, departs from Washington Ronald Reagan on Tue, 4 May, arriving in London Gatwick.Inbound indirect flight with Ryanair, departs from London Gatwick on Sun, 9 May, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $2,011, select.
      London.$2,096 per passenger.Departing Mon, 21 Jun, returning Sun, 27 Jun.Return flight with Air Canada and Air Transat.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Mon, 21 Jun, arriving in London Gatwick.Inbound indirect flight with Air Transat, departs from London Gatwick on Sun, 27 Jun, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $2,096, select.

      Find the cheapest month to fly from Washington Ronald Reagan to London Gatwick

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Ronald Reagan to London Gatwick flights are currently cheapest in October.
      Sep
      from $1,458
      Oct
      from $1,056
      Nov
      from $1,224
      Dec
      from $1,353
      Jan
      from $1,682
      Feb
      from $1,738
      Mar
      from $1,299
      Apr
      from $4,295
      May
      from $2,011
      Jun
      from $2,096
      Jul
      Find prices
      Aug
      Find prices

      Washington Ronald Reagan to London Gatwick: Alternative routes

      Compare routes from Washington Ronald Reagan to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Gatwick.

      London City

      12km from central London
      Closest
      from $1,242
      Search flights

      London Heathrow

      23km from central London
      Cheapest
      from $976
      Search flights

      London Gatwick

      40km from central London
      from $1,052
      Search flights

      London Luton

      45km from central London
      from $1,177
      Search flights

      London Stansted

      49km from central London
      from $1,285
      Search flights

      London Southend

      57km from central London
      from $2,933
      Search flights

      Washington D.C. to London: Flight information

      The things to know before you go.
      Cheapest flight found$1,052
      Cheapest month to flySeptember

      Finding cheap flights from Washington Ronald Reagan to London Gatwick: Frequently asked questions

      The best price we found for a return flight from Washington Ronald Reagan to London Gatwick is $1,052. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Washington Ronald Reagan to London Gatwick. But we found flights with one or more stops from $1,052.
      As of September 2026, there are no flights flying from Washington Ronald Reagan to London Gatwick.
      The cheapest month to fly from Washington Ronald Reagan to London Gatwick is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Ronald Reagan Airport to London Gatwick Airport on Sunday, 27 September 2026.
      No airlines currently offer direct flights between Washington Ronald Reagan Airport and London Gatwick Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Gatwick but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Air Canada offers the cheapest flight tickets to London Gatwick.

      Flying from Washington Ronald Reagan Airport (DCA) to London Gatwick Airport (LGW): what you need to know

      • London's timezone is UTC+0, making London five hours ahead of Washington DC.

      • Leave enough time to make your DCA to LGW flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

      • Flying during a peak time like August? Major public holidays and other popular seasons can result in longer lines at security. Play it safe and arrive up to four hours before international flights and two hours before a domestic departure.

      • Think about adding a stopover when booking your ticket from Washington Ronald Reagan Airport to London Gatwick Airport. Simply uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here's where you can stop between DCA and LGW:

        • New York John F. Kennedy Airport

        • Toronto Pearson International Airport

        • Orlando International Airport

      How to find the cheapest flights from Washington Ronald Reagan Airport (DCA) to London Gatwick Airport (LGW)

      • The cheapest price we've found for a one-way Washington Ronald Reagan Airport to London Gatwick Airport flight is $319. A round-trip plane ticket is currently $1,052. Depending on the availability and when you book, these fares could change.

      • It's a good idea to book ahead of time if you want to get cheap tickets from DCA to LGW. That's because flight prices are based on demand, which tends to rise closer to departure.

      • If you can be flexible with your trip dates, try using the 'Whole month' tool. It'll find the lowest price across each month when searching for your flight from Washington Ronald Reagan Airport to London Gatwick Airport.

      • You don't need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll send you an update as soon as the price changes on cheap flights from DCA to LGW.

      • Secure the ideal flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Washington Ronald Reagan Airport to London Gatwick Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and number of stops.

      Handy information about Washington Ronald Reagan Airport (DCA)

      • The address for DCA is 1 Aviation Circle.

      • 71% of flights that depart Washington Ronald Reagan Airport arrive at their destination on time.

      • Washington Ronald Reagan Airport is around 6 kilometres from central Washington DC. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 10 minutes or so to arrive, depending on the traffic.

      • Planning to catch public transport? Expect a journey time of around 25 minutes.

      • Looking for a convenient hotel close to DCA? If you're catching an early flight from Washington Ronald Reagan Airport to London Gatwick Airport, these stays will have you moments from your departure gate:

      Arriving at London Gatwick Airport (LGW)

      Getting from London Gatwick Airport (LGW) to central London

      • From London Gatwick Airport, London is approximately 48 kilometres away. It takes around 1 hour 5 minutes to drive to the centre.

      • If you're travelling by public transport, expect a journey of roughly 45 minutes.

      When to fly to London Gatwick Airport (LGW)

      • The quietest month for a flight from Washington Ronald Reagan Airport to London Gatwick Airport is March, while August is the most popular. Pick the best time to visit London based on whether you prefer a more relaxed vibe or a faster pace.

      • When reserving your flight from Washington Ronald Reagan Airport to London Gatwick Airport, consider the kind of weather you like. July is the warmest month in London, with the temperature ranging from 11ºC (52ºF) to 26ºC (79ºF).

      • January has average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap tickets from DCA to LGW sometime then if you'd rather travel in cooler conditions.

      Explore more of the United Kingdom

      • You've visited London, now it's time to discover other corners of the United Kingdom. Travel about 257 kilometres north-west to Manchester to check off its popular sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, you'll have a full itinerary ahead.

      • If there's time to check out another major stop in the United Kingdom, head for Birmingham, roughly 161 kilometres north-west of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are highlights.

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      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.