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

Reykjavik (KEF) – chosen by Cheapflights users on 94% of one-stop itineraries from London Gatwick Airport to Washington, D.C. Dulles Intl Airport on Cheapflights.

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

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £446.

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 £377 on this airline. Icelandair is 33% 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).

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.

£365+ Cheap Flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport

Q: How much does it cost for a return flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment. London Gatwick Airport to Washington, D.C. Dulles Intl Airport flights typically cost between £470 and £779 in January. The cheapest return flight price found within the last 3 days was £397 on TAP AIR PORTUGAL (15 Jan-29 Jan).

Cheap flight deals from Gatwick to Dulles Intl

Round-trip from	£397
One-way from	£365
Popular in	July
Cheapest in	November
Average price	£766

TAP AIR PORTUGAL
15/1-29/1
2 total stops
45h 20m total
London to Washington, D.C.

Search Deals

15/11
3 total stops
27h 30m total
London to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£114 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from Gatwick to Dulles Intl

Enter your travel dates to find the best prices.

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 15 October 2025.

Tue 2/1216:35LGW - IAD

1 stop33h 25mTAP AIR PORTUGAL

Mon 8/1217:30IAD - LGW

1 stop11h 20mTAP AIR PORTUGAL

Deal found 13/10£400

Fri 5/1210:40LGW - IAD

1 stop15h 20mTAP AIR PORTUGAL

Tue 9/1217:30IAD - LGW

1 stop11h 20mTAP AIR PORTUGAL

Deal found 14/10£401

Thu 13/1114:00LGW - IAD

1 stop34h 51mMultiple Airlines

Sat 13/1221:20IAD - LGW

1 stop31h 40mMultiple Airlines

Deal found 15/10£404

Thu 13/1108:50LGW - IAD

1 stop11h 45mMultiple Airlines

Sun 16/1121:00IAD - LGW

1 stop12h 25mMultiple Airlines

Deal found 14/10£405

Sun 23/1110:40LGW - IAD

1 stop33h 35mTAP AIR PORTUGAL

Tue 2/1217:30IAD - LGW

1 stop11h 20mTAP AIR PORTUGAL

Deal found 14/10£406

Sat 6/1214:00LGW - IAD

1 stop22h 35mMultiple Airlines

Tue 6/117:30IAD - LGW

2 stops18h 25mMultiple Airlines

Deal found 14/10£410

Tue 21/1009:40LGW - IAD

1 stop11h 10mMultiple Airlines

Thu 30/1022:00IAD - LGW

1 stop15h 20mMultiple Airlines

Deal found 14/10£411

Thu 13/1114:00LGW - IAD

1 stop34h 51mMultiple Airlines

Mon 17/1117:30IAD - LGW

1 stop11h 20mMultiple Airlines

Deal found 14/10£422

Wed 19/1109:50LGW - IAD

2 stops34h 25mMultiple Airlines

Sat 29/1117:30IAD - LGW

1 stop11h 20mMultiple Airlines

Deal found 14/10£423

Mon 3/1109:00LGW - IAD

1 stop15h 30mMultiple Airlines

Mon 17/1117:05IAD - LGW

1 stop11h 10mMultiple Airlines

Deal found 13/10£425

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 15 October 2025.

Tue 20/116:35LGW - IAD

1 stop33h 25mTAP AIR PORTUGAL

Wed 4/222:30IAD - LGW

1 stop11h 35mTAP AIR PORTUGAL

Deal found 14/10£400

Sat 24/107:10LGW - IAD

2 stops16h 20mMultiple Airlines

Sun 8/219:40IAD - LGW

2 stops16h 00mMultiple Airlines

Deal found 14/10£495

Tue 11/1111:55LGW - IAD

1 stop11h 35mIcelandair

Tue 18/1119:40IAD - LGW

1 stop10h 15mIcelandair

Deal found 14/10£526

Wed 5/1113:10LGW - IAD

2 stops31h 05mMultiple Airlines

Sat 8/1117:30IAD - LGW

1 stop11h 20mMultiple Airlines

Deal found 13/10£497

Fri 13/310:40LGW - IAD

1 stop15h 20mTAP AIR PORTUGAL

Mon 16/318:30IAD - LGW

1 stop11h 20mTAP AIR PORTUGAL

Deal found 14/10£497

Wed 12/1111:55LGW - IAD

1 stop11h 35mIcelandair

Tue 16/1219:40IAD - LGW

1 stop10h 15mIcelandair

Deal found 15/10£535

Sun 9/1106:50LGW - IAD

2 stops37h 25mMultiple Airlines

Sun 16/1122:30IAD - LGW

1 stop12h 15mMultiple Airlines

Deal found 14/10£503

Thu 8/116:00LGW - IAD

1 stop34h 00mTAP AIR PORTUGAL

Fri 23/122:30IAD - LGW

1 stop12h 15mTAP AIR PORTUGAL

Deal found 14/10£527

Tue 11/1111:55LGW - IAD

1 stop11h 35mIcelandair

Tue 16/1219:40IAD - LGW

1 stop10h 15mIcelandair

Deal found 15/10£554

Tue 25/1108:15LGW - IAD

2 stops15h 15mMultiple Airlines

Wed 10/1219:40IAD - LGW

2 stops16h 00mMultiple Airlines

Deal found 14/10£517

Tue 11/1111:55LGW - IAD

1 stop11h 35mIcelandair

Mon 15/1219:40IAD - LGW

1 stop10h 15mIcelandair

Deal found 15/10£554

Mon 15/1209:00LGW - IAD

2 stops34h 35mMultiple Airlines

Tue 30/1217:30IAD - LGW

2 stops23h 15mMultiple Airlines

Deal found 14/10£518

Last-minute flights from Gatwick to Dulles Intl
Discover last-minute flight deals from Gatwick to Dulles Intl. Data last updated 15 October 2025 and is based on user searches.

Mon 20/1008:40LGW - IAD

1 stop15h 15mMultiple Airlines

Mon 3/1121:00IAD - LGW

1 stop10h 15mMultiple Airlines

Deal found 13/10£605

Mon 20/1018:25LGW - IAD

2 stops30h 05mMultiple Airlines

Mon 27/1018:05IAD - LGW

1 stop11h 10mMultiple Airlines

Deal found 14/10£636

Mon 20/1020:40LGW - IAD

1 stop24h 10mMultiple Airlines

Tue 4/1117:30IAD - LGW

1 stop11h 20mMultiple Airlines

Deal found 14/10£642

Tue 21/1009:40LGW - IAD

1 stop11h 10mMultiple Airlines

Thu 30/1022:00IAD - LGW

1 stop15h 20mMultiple Airlines

Deal found 14/10£411

Tue 21/1009:40LGW - IAD

1 stop14h 50mMultiple Airlines

Mon 3/1117:05IAD - LGW

1 stop10h 15mMultiple Airlines

Deal found 13/10£564

Tue 21/1007:10LGW - IAD

2 stops33h 35mMultiple Airlines

Sun 14/1208:30IAD - LGW

1 stop20h 30mMultiple Airlines

Deal found 14/10£599

Wed 22/1013:05LGW - IAD

1 stop11h 25mMultiple Airlines

Wed 29/1018:05IAD - LGW

1 stop11h 55mMultiple Airlines

Deal found 13/10£600

Wed 22/1018:35LGW - IAD

2 stops29h 20mMultiple Airlines

Thu 30/1018:05IAD - LGW

1 stop10h 25mMultiple Airlines

Deal found 13/10£625

Wed 22/1007:10LGW - IAD

2 stops33h 35mMultiple Airlines

Sun 2/1122:30IAD - LGW

2 stops19h 50mMultiple Airlines

Deal found 13/10£639

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 15 October 2025.

Sat 15/1122:30LGW - IAD

3 stops27h 30mMultiple Airlines

Deal found 13/10£365

Sun 9/1108:30LGW - IAD

3 stops37h 44mMultiple Airlines

Deal found 13/10£366

Wed 5/1116:35LGW - IAD

1 stop27h 40mTAP AIR PORTUGAL

Deal found 13/10£367

Mon 8/1208:35LGW - IAD

3 stops35h 00mMultiple Airlines

Deal found 14/10£368

Thu 8/108:30LGW - IAD

3 stops32h 08mMultiple Airlines

Deal found 14/10£369

Sun 21/1221:40LGW - IAD

2 stops22h 35mMultiple Airlines

Deal found 13/10£371

Mon 15/1208:35LGW - IAD

1 stop36h 55mMultiple Airlines

Deal found 13/10£372

Fri 27/306:50LGW - IAD

2 stops19h 10mMultiple Airlines

Deal found 13/10£373

Wed 3/1219:40LGW - IAD

1 stop25h 50mIberia

Deal found 14/10£376

Sun 30/1108:30LGW - IAD

3 stops30h 54mMultiple Airlines

Deal found 14/10£377

Sat 8/1119:35LGW - IAD

3 stops30h 25mMultiple Airlines

Deal found 14/10£378

Sat 1/1114:00LGW - IAD

3 stops30h 09mMultiple Airlines

Deal found 14/10£379

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

Tue 20/1

16:35-21:00

1 stop33h 25m

Washington, D.C. Dulles Intl

Wed 4/2

22:30-15:05

1 stop11h 35m

£400

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sat 24/1

07:10-18:30

2 stops16h 20m

Washington, D.C. Dulles Intl

Sun 8/2

19:40-16:40

2 stops16h 00m

£495

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 5/11

13:10-15:15

2 stops31h 05m

Washington, D.C. Dulles Intl

Sat 8/11

17:30-09:50

1 stop11h 20m

£497

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Fri 13/3

10:40-22:00

1 stop15h 20m

Washington, D.C. Dulles Intl

Mon 16/3

18:30-09:50

1 stop11h 20m

£497

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sun 9/11

06:50-15:15

2 stops37h 25m

Washington, D.C. Dulles Intl

Sun 16/11

22:30-15:45

1 stop12h 15m

£503

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Tue 25/11

08:15-18:30

2 stops15h 15m

Washington, D.C. Dulles Intl

Wed 10/12

19:40-16:40

2 stops16h 00m

£517

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Mon 15/12

09:00-14:35

2 stops34h 35m

Washington, D.C. Dulles Intl

Tue 30/12

17:30-21:45

2 stops23h 15m

£518

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Tue 11/11

11:55-18:30

1 stop11h 35m

Washington, D.C. Dulles Intl

Tue 18/11

19:40-10:55

1 stop10h 15m

£526

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 8/1

16:00-21:00

1 stop34h 00m

Washington, D.C. Dulles Intl

Fri 23/1

22:30-15:45

1 stop12h 15m

£527

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 12/11

11:55-18:30

1 stop11h 35m

Washington, D.C. Dulles Intl

Tue 16/12

19:40-10:55

1 stop10h 15m

£535

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 22 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.

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 £340). Flying from London Gatwick Airport to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of £618). 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.

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

Unlike in the evening, when flights are generally more expensive, you can save up to 59% on flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the morning.

How much does it cost for a return flight 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.

Icelandair

7.0

Good

556 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Icelandair

7.0

Good

556 reviews

Icelandair

7.0

Good

556 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

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 £400, TAP AIR PORTUGAL can have you in Washington, D.C. Dulles Intl Airport from London Gatwick Airport in 33h 25m. The distance from London Gatwick Airport to Washington, D.C. Dulles Intl Airport is about 3683 mi.
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 £377 on this airline. Icelandair is 33% 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 £340). Flying from London Gatwick Airport to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of £618). 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

Silver Spring

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Arlington

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College Park

Tysons

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Top airline flying from Gatwick to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£377	Average£538	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights

Fly with Cheapflights

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 £365

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 15/11. 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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 15 October 2025.

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 15 October 2025.

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

How much does it cost for a return 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 fastest stopover option 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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gatwick to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Gatwick to Dulles Intl

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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 15 October 2025.