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Gatwick

$361+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LGW
mai 17 — mai 241
dom 5/17
dom 5/24
1 adult, Economy
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Cheap 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 abril 17, 2026.

This Mytrip deal was found by Cheapflights users on 4/13. 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.
ter 5/58:30 pm
IAD
-
LGW
2 stops21h 10m
Multiple Airlines
qua 5/135:55 am
LGW
-
IAD
2 stops21h 20m
Multiple Airlines
Deal found 4/13$686
This Mytrip deal was found by Cheapflights users on 4/12. 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.
ter 5/125:15 pm
IAD
-
LGW
2 stops25h 05m
Multiple Airlines
ter 5/197:30 am
LGW
-
IAD
2 stops17h 05m
Multiple Airlines
Deal found 4/12$693
This Mytrip deal was found by Cheapflights users on 4/12. 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.
dom 4/268:30 pm
IAD
-
LGW
2 stops17h 45m
Multiple Airlines
ter 5/58:50 pm
LGW
-
IAD
3 stops27h 30m
Multiple Airlines
Deal found 4/12$699
This Gotogate deal was found by Cheapflights users on 4/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 9/268:30 pm
IAD
-
LGW
1 stop13h 10m
Icelandair
ter 10/63:40 pm
LGW
-
IAD
1 stop32h 40m
Icelandair
Deal found 4/14$701
This FlightHub deal was found by Cheapflights users on 4/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/231:20 pm
IAD
-
LGW
1 stop18h 50m
Turkish Airlines
qua 9/305:35 pm
LGW
-
IAD
1 stop23h 00m
Turkish Airlines
Deal found 4/15$703
This Mytrip deal was found by Cheapflights users on 4/12. 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.
dom 5/1011:20 pm
IAD
-
LGW
2 stops14h 55m
Multiple Airlines
seg 5/259:30 pm
LGW
-
IAD
3 stops27h 59m
Multiple Airlines
Deal found 4/12$704
This FlightHub deal was found by Cheapflights users on 4/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/221:20 pm
IAD
-
LGW
1 stop15h 35m
Turkish Airlines
ter 10/65:35 pm
LGW
-
IAD
1 stop23h 00m
Turkish Airlines
Deal found 4/16$705
This deal was found by Cheapflights users on 4/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 5/78:30 pm
IAD
-
LGW
1 stop13h 10m
Icelandair
dom 5/171:00 pm
LGW
-
IAD
1 stop11h 20m
Icelandair
Deal found 4/16$707
This FlightHub deal was found by Cheapflights users on 4/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/221:20 pm
IAD
-
LGW
1 stop15h 35m
Turkish Airlines
ter 9/295:35 pm
LGW
-
IAD
1 stop23h 00m
Turkish Airlines
Deal found 4/16$708
This deal was found by Cheapflights users on 4/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 5/148:30 pm
IAD
-
LGW
1 stop13h 10m
Icelandair
ter 6/21:00 pm
LGW
-
IAD
1 stop11h 20m
Icelandair
Deal found 4/16$711
This Booking.com deal was found by Cheapflights users on 4/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/249:45 pm
IAD
-
LGW
1 stop34h 25m
Turkish Airlines
ter 9/297:25 am
LGW
-
IAD
1 stop33h 10m
Turkish Airlines
Deal found 4/16$712

Find 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 abril 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$686
(Mytrip)

One-way from

$361
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$648
Provider with most accurate pricing for Washington, D.C. Dulles Intl-London Gatwick flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-London Gatwick flights.
Search Deals
From Washington, D.C. Dulles Intl to London Gatwick
Search Deals
One-way flight from Washington, D.C. Dulles Intl to London Gatwick
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 abril 17, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

qua 5/6

9:45 pm-4:00 pm

1 stop13h 15m

London Gatwick

qua 5/20

10:25 am-7:35 pm

1 stop14h 10m

$865

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

sex 5/1

1:20 pm-9:55 am

1 stop15h 35m

London Gatwick

seg 5/18

7:05 am-11:35 am

1 stop33h 30m

$944

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

qua 5/13

6:15 pm-9:25 am

1 stop10h 10m

London Gatwick

ter 5/19

10:35 am-10:56 pm

2 stops17h 21m

$948

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

sáb 8/15

8:20 pm-5:50 pm

1 stop16h 30m

London Gatwick

sáb 8/22

9:25 am-4:45 pm

1 stop12h 20m

$962

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

dom 9/20

5:40 pm-8:25 pm

2 stops21h 45m

London Gatwick

qui 9/24

2:50 pm-2:25 pm

1 stop28h 35m

$976

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

qua 5/13

9:45 pm-9:25 am

1 stop30h 40m

London Gatwick

sáb 5/23

10:25 am-7:35 pm

1 stop14h 10m

$1,090
Quickest round-trip

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

seg 6/22

8:30 pm-11:45 am

1 stop10h 15m

London Gatwick

qua 7/15

3:40 pm-10:15 pm

1 stop11h 35m

$1,100

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

dom 6/21

11:20 pm-11:45 am

1 stop31h 25m

London Gatwick

sex 6/26

3:40 pm-10:15 pm

1 stop11h 35m

$1,101

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

ter 9/15

12:00 pm-9:25 am

2 stops16h 25m

London Gatwick

ter 9/22

5:00 pm-11:51 am

2 stops23h 51m

$1,145

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

dom 5/3

6:15 pm-9:25 am

1 stop10h 10m

London Gatwick

qua 7/1

10:25 am-11:14 pm

2 stops17h 49m

$1,168

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 23 resultsSorted by cheapest first
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3

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to London Gatwick Airport (average of $426). Flying from Washington, D.C. Dulles Intl Airport to London Gatwick Airport in June is currently the most expensive (average of $1,012). 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.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to London Gatwick Airport?

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 abril 17, 2026.
Peruse reviews from past customers who have flown with TAP AIR PORTUGAL and Icelandair 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.
TAP AIR PORTUGAL
7.1
Good
2,209 reviews

Boarding

7.0

Entertainment

6.3

Overall

7.1

Crew

7.8

Food

6.2

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Maxime,Nov 2025

EWR - LIS

The solo business class seat as part of the 4x2 configuration is very cramped. Do not recommend choosing this.
TAP AIR PORTUGAL
7.1
Good
2,209 reviews
TAP AIR PORTUGAL
7.1
Good
2,209 reviews

Boarding

7.0

Entertainment

6.3

Overall

7.1

Crew

7.8

Food

6.2

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Maxime,Nov 2025

EWR - LIS

The solo business class seat as part of the 4x2 configuration is very cramped. Do not recommend choosing this.
Icelandair
7.0
Good
634 reviews
TAP AIR PORTUGAL
7.1
Good
2,209 reviews

Boarding

7.0

Entertainment

6.3

Overall

7.1

Crew

7.8

Food

6.2

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Maxime,Nov 2025

EWR - LIS

The solo business class seat as part of the 4x2 configuration is very cramped. Do not recommend choosing this.

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 13h 15m. Virgin Atlantic provides one of the quickest options available for as low as $865. 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 $309 on this airline. An additional option worth looking into is Icelandair, starting at $505. These flights start at 52% 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to London Gatwick Airport (average of $426). Flying from Washington, D.C. Dulles Intl Airport to London Gatwick Airport in June is currently the most expensive (average of $1,012). 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
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

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 abril 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$309Average$447FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$505Average$636FlexibilityNo cancel feeOn-time76%

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