433 € Cheap Flights from London Gatwick to Washington Dulles

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Flight deals from London Gatwick Airport to Washington Dulles Airport

Looking for a cheap last-minute deal or the best return flight from London Gatwick Airport to Washington Dulles Airport? If you want to travel next month, return fares start from 433 €. Find the lowest prices on one-way and return tickets right here.

Washington D.C..433 € per passenger.Departing Thu, 16 Apr, returning Mon, 20 Apr.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Thu, 16 Apr, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 20 Apr, arriving in London Gatwick.Price includes taxes and charges.From 433 €, select.

Washington D.C..445 € per passenger.Departing Thu, 12 Mar, returning Fri, 3 Apr.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Thu, 12 Mar, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Fri, 3 Apr, arriving in London Gatwick.Price includes taxes and charges.From 445 €, select.

Washington D.C..447 € per passenger.Departing Tue, 17 Mar, returning Sun, 22 Mar.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Tue, 17 Mar, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 22 Mar, arriving in London Gatwick.Price includes taxes and charges.From 447 €, select.

Washington D.C..448 € per passenger.Departing Sat, 2 May, returning Sat, 9 May.Return flight with SWISS.Outbound indirect flight with SWISS, departs from London Gatwick on Sat, 2 May, arriving in Washington Dulles.Inbound indirect flight with SWISS, departs from Washington Dulles on Sat, 9 May, arriving in London Gatwick.Price includes taxes and charges.From 448 €, select.

Washington D.C..452 € per passenger.Departing Wed, 11 Mar, returning Sun, 3 May.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Wed, 11 Mar, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 3 May, arriving in London Gatwick.Price includes taxes and charges.From 452 €, select.

Washington D.C..467 € per passenger.Departing Thu, 30 Apr, returning Sun, 3 May.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Thu, 30 Apr, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 3 May, arriving in London Gatwick.Price includes taxes and charges.From 467 €, select.

Washington D.C..475 € per passenger.Departing Wed, 3 Jun, returning Wed, 10 Jun.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Wed, 3 Jun, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 10 Jun, arriving in London Gatwick.Price includes taxes and charges.From 475 €, select.

Washington D.C..475 € per passenger.Departing Wed, 27 May, returning Wed, 10 Jun.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Wed, 27 May, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 10 Jun, arriving in London Gatwick.Price includes taxes and charges.From 475 €, select.

Washington D.C..477 € per passenger.Departing Wed, 1 Jul, returning Sun, 12 Jul.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Wed, 1 Jul, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 12 Jul, arriving in London Gatwick.Price includes taxes and charges.From 477 €, select.

Washington D.C..477 € per passenger.Departing Wed, 24 Jun, returning Wed, 8 Jul.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Wed, 24 Jun, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 8 Jul, arriving in London Gatwick.Price includes taxes and charges.From 477 €, select.

Washington D.C..491 € per passenger.Departing Fri, 8 May, returning Mon, 14 Sep.Return flight with Norse Atlantic Airways (UK) and Icelandair.Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Fri, 8 May, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 14 Sep, arriving in London Gatwick.Price includes taxes and charges.From 491 €, select.

Washington D.C..500 € per passenger.Departing Fri, 24 Apr, returning Tue, 27 Oct.Return flight with Norse Atlantic Airways (UK) and TAP Air Portugal.Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Fri, 24 Apr, arriving in Washington Dulles.Inbound indirect flight with TAP Air Portugal, departs from Washington Dulles on Tue, 27 Oct, arriving in London Gatwick.Price includes taxes and charges.From 500 €, select.

Washington D.C..506 € per passenger.Departing Thu, 13 Aug, returning Tue, 18 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from London Gatwick on Thu, 13 Aug, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Tue, 18 Aug, arriving in London Gatwick.Price includes taxes and charges.From 506 €, select.

Washington D.C..508 € per passenger.Departing Mon, 13 Jul, returning Tue, 4 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from London Gatwick on Mon, 13 Jul, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Tue, 4 Aug, arriving in London Gatwick.Price includes taxes and charges.From 508 €, select.

Washington D.C..521 € per passenger.Departing Wed, 2 Sep, returning Mon, 14 Sep.Return flight with Norse Atlantic Airways (UK) and Icelandair.Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Wed, 2 Sep, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 14 Sep, arriving in London Gatwick.Price includes taxes and charges.From 521 €, select.

Washington D.C..522 € per passenger.Departing Fri, 28 Aug, returning Sat, 5 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from London Gatwick on Fri, 28 Aug, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Sat, 5 Sep, arriving in London Gatwick.Price includes taxes and charges.From 522 €, select.

Find the cheapest month to fly from London Gatwick to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Gatwick to Washington Dulles flights are currently cheapest in April.

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London Gatwick to Washington Dulles: Alternative routes

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

London to Washington D.C.: Flight information

The things to know before you go.

Cheapest flight found	433 €
Cheapest month to fly	April

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

How much are return flights from London Gatwick to Washington Dulles?

The best price we found for a return flight from London Gatwick to Washington Dulles is 433 €. 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.

Which airlines fly direct from London Gatwick to Washington Dulles?

Currently, there are no airlines that fly direct from London Gatwick to Washington Dulles. But we found flights with one or more stops from 433 €.

How many flights are there a week from London Gatwick to Washington Dulles?

As of March 2026, there are no flights flying from London Gatwick to Washington Dulles.

When is the cheapest time to fly from London Gatwick to Washington Dulles?

The cheapest month to fly from London Gatwick to Washington Dulles is usually April.

Which upcoming date is cheapest to fly from London Gatwick Airport to Washington Dulles Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Gatwick Airport to Washington Dulles Airport on Thursday, 16 April 2026.

Can I get a direct flight from London Gatwick Airport to Washington Dulles Airport?

No airlines currently offer direct flights between London Gatwick Airport and Washington Dulles Airport. Most routes have one or more stops.

How can I find the best flight deal to Washington Dulles?

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 Washington Dulles 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.

When is the best time to book flights to Washington D.C.?

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

Which is the cheapest airline to fly from London Gatwick Airport to Washington Dulles with?

Currently, Icelandair offers the cheapest flight tickets to Washington Dulles.

Travelling from London Gatwick Airport (LGW) to Washington Dulles International Airport (IAD): what you need to know

The timezone in Washington DC is UTC-4, which is four hours behind London.
Your LGW to IAD flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
During popular months such as August, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're travelling during peak periods in general.
If you want to include a stop along the way, simply uncheck 'Direct flights only' when searching for your ticket from London Gatwick Airport to Washington Dulles International Airport. These are the most popular stopovers between LGW and IAD:
- Dublin Airport
- Montreal-Pierre Elliott Trudeau International Airport
- Amsterdam Airport Schiphol

How to find the cheapest flights from London Gatwick Airport (LGW) to Washington Dulles International Airport (IAD)

263 € is currently the best price for a one-way London Gatwick Airport to Washington Dulles International Airport flight. A return flight starts at 433 €. These fares can change based on availability.
To score cheap tickets from LGW to IAD, book as early as you can. Airlines usually offer their most competitively priced fares when flights are first made available.
Finding cheap flights from London Gatwick Airport to Washington Dulles International Airport is easier if you're flexible with your travel dates. Use the 'Whole month' tool to see the lowest prices across each month and land a great deal.
You don't need to check every day to see if fares have gone down when you create a Price Alert. We'll let you know the moment the price changes on cheap flights from LGW to IAD.
Tailor your trip with filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from London Gatwick Airport to Washington Dulles International Airport.

Handy information about London Gatwick Airport (LGW)

69.26% of flights leaving from London Gatwick Airport reach their destination on schedule.
Central London to London Gatwick Airport is around 80 kilometres. Depending on traffic, it'll take you about 1 hour 20 minutes to get there if you're driving, ride-sharing or catching a cab.
Catching public transport? You can expect a journey time of around 1 hour 25 minutes.
Get your holiday off to a stress-free start by staying near LGW. Whether you have an early flight from London Gatwick Airport to Washington Dulles International Airport or just don't like being rushed, these stays are perfect:

Arriving at Washington Dulles International Airport (IAD)

The last thing you need is a long trip to your hotel if you're landing late on a London Gatwick Airport to Washington Dulles International Airport flight. Book one of these accommodation options near IAD instead:
Follow your own route with a Washington Dulles International Airport rental car. Book your wheels from Dollar, Thrifty or Sixt and find adventure across Washington DC and beyond.
To secure the lowest price, book your ride from Washington Dulles International Airport around one week before travelling.

Getting from Washington Dulles International Airport (IAD) to central Washington DC

The street address for IAD is 1 Saarinen Circle.
From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 50 minutes to drive to the centre.
It takes around 3 hours 25 minutes if you're travelling on public transport.

When to fly to Washington Dulles International Airport (IAD)

The quietest month for a flight from London Gatwick Airport to Washington Dulles International Airport is January, while April is the busiest. Pick the ideal time to go to Washington DC based on whether you prefer a more relaxed vibe or a faster pace.
Book your flight from London Gatwick Airport to Washington Dulles International Airport for July if you want to visit Washington DC during its warmest month. You can expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).
If you want to travel in cooler conditions, look for a cheap ticket from LGW to IAD in January. Average temperatures are between -6ºC (21ºF) and 10ºC (50ºF) then.

Explore more of United States

Washington DC has plenty going for it, but there are so many other parts of United States you should also see. About 322 kilometres north-east of Washington DC, a trip to New York will keep your itinerary busy. Check out popular attractions like Statue of Liberty, Central Park and Empire State Building.
Philadelphia is another well-known destination in United States and is around 193 kilometres north-east of Washington DC. No trip is complete without experiencing Liberty Bell, Independence Hall and Philadelphia Museum of Art.