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Gatwick

$248+ Cheap flights from Dulles Intl (IAD) to Gatwick (LGW)

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LGW
Nov 23 — Nov 301
Sun 11/23
Sun 11/30
1 adult, Economy
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Cheap flight deals from Dulles Intl to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 October 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$559
(Gotogate)

One-way from

$248
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$681
Provider with most accurate pricing for Washington, D.C. Dulles Intl-London Gatwick flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-London Gatwick flights.
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From Washington, D.C. Dulles Intl to London Gatwick
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One-way flight from Washington, D.C. Dulles Intl to London Gatwick
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Highest demand for flights based on searches. 4% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Dulles Intl to Gatwick

Cheapest flights from Dulles Intl to Gatwick
Explore the most affordable flight options available from Dulles Intl to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2025.

This Mytrip deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:40 pmIAD - LGW
2 stops14h 30mMultiple Airlines
Tue 11/188:50 amLGW - IAD
2 stops14h 40mMultiple Airlines
Deal found 10/23$561
This CrystalTravel deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:40 pmIAD - LGW
1 stop10h 15mIcelandair
Tue 12/211:55 amLGW - IAD
1 stop11h 35mIcelandair
Deal found 10/23$562
This oojo deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:30 pmIAD - LGW
1 stop12h 15mTAP AIR PORTUGAL
Fri 12/2610:40 amLGW - IAD
1 stop15h 20mTAP AIR PORTUGAL
Deal found 10/22$564
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:22 pmIAD - LGW
2 stops28h 38mMultiple Airlines
Fri 11/142:00 pmLGW - IAD
1 stop34h 51mMultiple Airlines
Deal found 10/23$566
This oojo deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:30 pmIAD - LGW
2 stops22h 10mTAP AIR PORTUGAL
Sun 12/710:40 amLGW - IAD
1 stop33h 35mTAP AIR PORTUGAL
Deal found 10/23$567
This SmartFares deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:40 pmIAD - LGW
1 stop10h 15mIcelandair
Mon 1/1911:55 amLGW - IAD
1 stop11h 35mIcelandair
Deal found 10/22$568
This oojo deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:30 pmIAD - LGW
1 stop17h 20mTAP AIR PORTUGAL
Sat 12/1310:10 amLGW - IAD
2 stops39h 50mTAP AIR PORTUGAL
Deal found 10/22$570
This Mytrip deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:05 pmIAD - LGW
1 stop13h 05mMultiple Airlines
Wed 11/1211:15 amLGW - IAD
1 stop13h 15mMultiple Airlines
Deal found 10/23$571
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/236:00 pmIAD - LGW
2 stops16h 45mMultiple Airlines
Tue 12/24:10 pmLGW - IAD
2 stops28h 40mMultiple Airlines
Deal found 10/22$572
This Mytrip deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/510:55 pmIAD - LGW
2 stops17h 10mMultiple Airlines
Mon 11/109:40 amLGW - IAD
2 stops36h 00mMultiple Airlines
Deal found 10/23$573
This Mytrip deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:40 pmIAD - LGW
2 stops22h 50mMultiple Airlines
Sat 11/225:40 pmLGW - IAD
3 stops29h 50mMultiple Airlines
Deal found 10/23$574
This Mytrip deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:55 pmIAD - LGW
2 stops19h 25mMultiple Airlines
Mon 12/110:10 amLGW - IAD
2 stops35h 30mMultiple Airlines
Deal found 10/23$575

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 2,558,603 searches. Data last updated October 24, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport that are best for you.

Fly from

Dulles Intl

Fly to

Gatwick

Route

Depart

Return

Price

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 11/25

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Wed 12/3

11:55 am-6:30 pm

1 stop11h 35m

$566

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 12/8

10:55 pm-9:00 pm

2 stops17h 05m

London Gatwick

Mon 12/15

9:30 pm-3:50 pm

2 stops23h 20m

$589

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 1/29

5:30 pm-3:50 pm

1 stop17h 20m

London Gatwick

Sun 2/1

9:05 am-9:00 pm

2 stops16h 55m

$594

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 11/26

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Tue 12/2

11:55 am-6:30 pm

1 stop11h 35m

$601

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 2/14

7:40 pm-3:20 pm

2 stops14h 40m

London Gatwick

Thu 2/19

7:00 am-6:30 pm

2 stops16h 30m

$603

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 11/18

6:00 pm-9:55 pm

2 stops22h 55m

London Gatwick

Sat 11/22

7:45 pm-3:50 pm

2 stops25h 05m

$603

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 11/16

5:25 pm-5:50 pm

1 stop19h 25m

London Gatwick

Tue 11/25

6:40 pm-3:30 pm

1 stop25h 50m

$612

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 2/15

8:30 pm-4:45 pm

2 stops15h 15m

London Gatwick

Sat 2/21

7:10 pm-4:40 pm

2 stops26h 30m

$639

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 11/23

10:30 pm-8:35 pm

2 stops17h 05m

London Gatwick

Thu 12/4

10:10 am-9:00 pm

2 stops39h 50m

$643

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 12/30

5:30 pm-9:25 am

2 stops34h 55m

London Gatwick

Tue 1/13

4:35 pm-9:00 pm

1 stop33h 25m

$654

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

Showing 1-10 of 22 results
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Compare providers for flights from Dulles Intl to Gatwick

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Gatwick in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-London Gatwick Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-London Gatwick Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-London Gatwick Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-London Gatwick Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-London Gatwick Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Dulles Intl with our price prediction graph.
Estimated round-trip 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 Washington, D.C. Dulles Intl Airport to London Gatwick Airport

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to London Gatwick Airport (average of $432). Flying from Washington, D.C. Dulles Intl Airport to London Gatwick Airport in June is currently the most expensive (average of $984). 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 Gatwick

Get insights into the airlines that provide service to Gatwick. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Gatwick. Reviews last updated October 24, 2025.
Peruse reviews from past customers who have flown with Icelandair and TAP AIR PORTUGAL from Washington, D.C. Dulles Intl Airport to London Gatwick Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.1
Good
561 reviews

Overall

7.1

Boarding

7.2

Crew

8.1

Entertainment

7.0

Comfort

6.9

Food

6.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
Icelandair
7.1
Good
561 reviews
Icelandair
7.1
Good
561 reviews

Overall

7.1

Boarding

7.2

Crew

8.1

Entertainment

7.0

Comfort

6.9

Food

6.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
TAP AIR PORTUGAL
7.1
Good
2,029 reviews
Icelandair
7.1
Good
561 reviews

Overall

7.1

Boarding

7.2

Crew

8.1

Entertainment

7.0

Comfort

6.9

Food

6.2

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

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

    A quick flight from Washington, D.C. Dulles Intl Airport to London Gatwick Airport can take about 10h 15m. Icelandair provides one of the quickest options available for as low as $566. Airlines will cover a distance of 3683 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to London Gatwick Airport round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to London Gatwick Airport is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as $425 on this airline. An additional option worth looking into is Icelandair, starting at $494. These flights start at 41% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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.

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to London Gatwick Airport (average of $432). Flying from Washington, D.C. Dulles Intl Airport to London Gatwick Airport in June is currently the most expensive (average of $984). 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

Traveling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Dulles Intl to Gatwick

Discover the top 2 airlines that operate flights from Dulles Intl to Gatwick. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$425Average$628FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$494Average$777FlexibilityNo cancel feeOn-time76%

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