Which airport typically offers the quickest stopover for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

Flights via New York (JFK) offer the fastest connection on this route, with an average stopover time of 1h 11m.

What’s the cheapest stopover airport for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

Zurich (ZRH) is the most affordable one-stop option, with an average return flight price of £533.

What’s the top stopover airport for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

Reykjavik (KEF) – chosen by Cheapflights users on 91% of one-stop itineraries from London Gatwick Airport to Washington, D.C. Dulles Intl Airport on Cheapflights.

What’s the fastest stopover option from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

Flights via New York (JFK) have the shortest average one-way travel time for one-stop routes: 11h 28m.

What is the cheapest airline to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport round-trip?

Our cheapest airline available from London Gatwick Airport to Washington, D.C. Dulles Intl Airport is Icelandair. Our recent data shows that you can find tickets from as low as £380 on this airline. Icelandair is 27% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

What is the cheapest time of day to fly from LGW to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport as you normally would.

Can I find deals for flights from Gatwick to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Gatwick to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Gatwick to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Dulles Intl.

Can I find deals for business class flights from Gatwick to Dulles Intl?

Yes. Cheapflights offers flight deals from Gatwick to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£364+ Flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Gatwick to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Gatwick to Dulles Intl
Explore the most affordable flight options available from Gatwick to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Mon 9/311:55

LGW

IAD

1 stop11h 35m

Icelandair

Tue 17/320:40

IAD

LGW

1 stop10h 15m

Icelandair

Deal found 2/2£398

Wed 4/311:55

LGW

IAD

1 stop11h 35m

Icelandair

Wed 11/320:40

IAD

LGW

1 stop10h 15m

Icelandair

Deal found 2/2£400

Thu 8/1015:40

LGW

IAD

1 stop32h 40m

Icelandair

Tue 13/1020:30

IAD

LGW

1 stop13h 10m

Icelandair

Deal found 2/2£413

Fri 20/218:40

LGW

IAD

1 stop27h 00m

SWISS

Mon 2/317:45

IAD

LGW

1 stop19h 05m

SWISS

Deal found 31/1£420

Wed 11/216:35

LGW

IAD

1 stop27h 40m

TAP AIR PORTUGAL

Tue 17/217:30

IAD

LGW

1 stop17h 15m

TAP AIR PORTUGAL

Deal found 31/1£424

Wed 4/216:35

LGW

IAD

1 stop27h 40m

TAP AIR PORTUGAL

Wed 18/222:30

IAD

LGW

1 stop11h 35m

TAP AIR PORTUGAL

Deal found 2/2£424

Thu 26/208:50

LGW

IAD

2 stops14h 40m

Multiple Airlines

Mon 2/319:40

IAD

LGW

2 stops16h 40m

Multiple Airlines

Deal found 31/1£426

Mon 2/316:35

LGW

IAD

1 stop27h 00m

TAP AIR PORTUGAL

Mon 9/318:30

IAD

LGW

1 stop11h 20m

TAP AIR PORTUGAL

Deal found 1/2£426

Wed 4/210:40

LGW

IAD

1 stop15h 20m

TAP AIR PORTUGAL

Tue 17/217:30

IAD

LGW

1 stop11h 20m

TAP AIR PORTUGAL

Deal found 1/2£427

Sat 7/216:35

LGW

IAD

1 stop33h 25m

TAP AIR PORTUGAL

Mon 16/217:30

IAD

LGW

1 stop17h 15m

TAP AIR PORTUGAL

Deal found 31/1£429

Thu 5/314:00

LGW

IAD

1 stop22h 24m

Multiple Airlines

Mon 16/314:58

IAD

LGW

2 stops15h 02m

Multiple Airlines

Deal found 30/1£429

Sun 8/210:40

LGW

IAD

1 stop33h 35m

TAP AIR PORTUGAL

Tue 17/217:30

IAD

LGW

1 stop11h 20m

TAP AIR PORTUGAL

Deal found 1/2£430

Find flight deals from Gatwick to Dulles Intl

Round-trip from	£398
One-way from	£364
Popular in	July
Cheapest in	April
Average price	£436

Icelandair
9/3-17/3
2 total stops
21h 50m total
London to Washington, D.C.

Search Deals

31/5
2 total stops
16h 55m total
London to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 24% potential increase in price (£123 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Mon 2/3

11:55-18:30

1 stop11h 35m

Washington, D.C. Dulles Intl

Sun 8/3

20:40-10:55

1 stop10h 15m

£463

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sat 16/5

10:25-19:35

1 stop14h 10m

Washington, D.C. Dulles Intl

Sat 23/5

21:45-16:00

1 stop13h 15m

£507

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 22/7

10:25-19:35

1 stop14h 10m

Washington, D.C. Dulles Intl

Tue 22/9

21:45-16:00

1 stop13h 15m

£516

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 6/5

10:25-19:35

1 stop14h 10m

Washington, D.C. Dulles Intl

Wed 27/5

18:15-09:25

1 stop10h 10m

£517

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Fri 13/2

18:50-15:05

1 stop25h 15m

Washington, D.C. Dulles Intl

Mon 23/2

17:45-17:50

1 stop19h 05m

£524

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sun 19/7

10:25-19:35

1 stop14h 10m

Washington, D.C. Dulles Intl

Sun 16/8

18:15-09:25

1 stop10h 10m

£524

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Fri 13/2

18:40-16:40

1 stop27h 00m

Washington, D.C. Dulles Intl

Wed 25/2

17:45-17:50

1 stop19h 05m

£529

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sun 14/6

10:25-19:35

1 stop14h 10m

Washington, D.C. Dulles Intl

Sat 4/7

18:15-09:20

1 stop10h 05m

£531

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 2/4

10:25-19:35

1 stop14h 10m

Washington, D.C. Dulles Intl

Sun 5/4

18:15-09:25

1 stop10h 10m

£532

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sun 19/7

10:25-19:35

1 stop14h 10m

Washington, D.C. Dulles Intl

Wed 12/8

18:15-09:25

1 stop10h 10m

£532

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 24 results

Best time to book a flight from Gatwick to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Gatwick with our price prediction graph.

LGW-IAD

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.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport

Prices

What is the cheapest month to book a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

Currently, February is the cheapest month in which you can book a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport (average of £325). Flying from London Gatwick Airport to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of £601). 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.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Icelandair from London Gatwick Airport to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Icelandair

7.1

Good

606 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.

Icelandair

7.1

Good

606 reviews

Icelandair

7.1

Good

606 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.

Related info for your journey

How long is the flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?
For as low as £463, Icelandair can have you in Washington, D.C. Dulles Intl Airport from London Gatwick Airport in 11h 35m. The distance from London Gatwick Airport to Washington, D.C. Dulles Intl Airport is about 3683 mi. This flight may include one or multiple stops.
What is the cheapest airline to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport round-trip?
Our cheapest airline available from London Gatwick Airport to Washington, D.C. Dulles Intl Airport is Icelandair. Our recent data shows that you can find tickets from as low as £380 on this airline. Icelandair is 27% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Gatwick to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Gatwick to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Gatwick to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Dulles Intl.
Can I find deals for business class flights from Gatwick to Dulles Intl?
Yes. Cheapflights offers flight deals from Gatwick to Dulles Intl 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 London Gatwick Airport to Washington, D.C. Dulles Intl Airport?
Currently, February is the cheapest month in which you can book a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport (average of £325). Flying from London Gatwick Airport to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of £601). 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.

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Top airline flying from Gatwick to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£380	Average£575	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights

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How does Cheapflights help users find flights from Gatwick to Dulles Intl?

When you search for this flight from Gatwick to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Dulles Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Gatwick to Dulles Intl.

Can Cheapflights find flights from Gatwick to Dulles Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Gatwick to Dulles Intl with no change fees.

Can Cheapflights notify me if prices for flights from Gatwick to Dulles Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Gatwick today and book when prices fit your budget.

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Cheap flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport from £364

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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Gatwick to Dulles Intl

Cheapest flights from Gatwick to Dulles IntlExplore the most affordable flight options available from Gatwick to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Explore the most affordable flight options available from Gatwick to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Best flights from Gatwick to Dulles IntlDiscover carefully curated flight deals from Gatwick to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 February 2026.

Discover carefully curated flight deals from Gatwick to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 February 2026.

Last-minute flights from Gatwick to Dulles IntlDiscover last-minute flight deals from Gatwick to Dulles Intl. Data last updated 2 February 2026 and is based on user searches.

Discover last-minute flight deals from Gatwick to Dulles Intl. Data last updated 2 February 2026 and is based on user searches.

One-way flights from Gatwick to Dulles IntlSearch for one-way flight options from Gatwick to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 2 February 2026.

Search for one-way flight options from Gatwick to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 2 February 2026.

Find flight deals from Gatwick to Dulles Intl

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Gatwick to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Gatwick with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

What’s the top stopover airport for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

What’s the cheapest stopover airport for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

What’s the fastest stopover option from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

Which airport typically offers the quickest stopover for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Icelandair from London Gatwick Airport to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Dulles Intl. 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 London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

What is the cheapest airline to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport round-trip?

Can I find deals for flights from Gatwick to Dulles Intl that include hotel bookings?

How can I find direct flights from Gatwick to Dulles Intl?

Can I find deals for business class flights from Gatwick to Dulles Intl?

What is the cheapest month to book a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

Travelling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Gatwick to Dulles Intl

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Top airline flying from Gatwick to Dulles Intl

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How does Cheapflights help users find flights from Gatwick to Dulles Intl?

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Dulles Intl?

Can Cheapflights find flights from Gatwick to Dulles Intl with no change fees?

Can Cheapflights notify me if prices for flights from Gatwick to Dulles Intl become cheaper?

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Cheapest flights from Gatwick to Dulles Intl
Explore the most affordable flight options available from Gatwick to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Best flights from Gatwick to Dulles Intl
Discover carefully curated flight deals from Gatwick to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 February 2026.

Last-minute flights from Gatwick to Dulles Intl
Discover last-minute flight deals from Gatwick to Dulles Intl. Data last updated 2 February 2026 and is based on user searches.

One-way flights from Gatwick to Dulles Intl
Search for one-way flight options from Gatwick to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 2 February 2026.