What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to London Gatwick Airport one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £194. Icelandair flights start at £230 while deals on Air Transat start at £302 one-way.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to London Gatwick Airport?

Travellers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to London Gatwick Airport flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

January is one of the best times of the year to fly to London Gatwick Airport from Washington, D.C. Dulles Intl Airport. Prices for January average £576 per person but you can even find prices for as low as £297. The most expensive prices can be found in the month of June. Opting for a January flight can save you 35% on your journey compared to booking in June

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

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

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 holiday 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.

£192+ Flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport

Q: How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to London Gatwick Airport?

Find a great deal and save up to 16% by booking at least 39 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. Dulles Intl Airport to London Gatwick Airport within the next two weeks, with the cheapest ticket starting at £617.

Cheap flight deals from Dulles Intl to Gatwick

Round-trip from	£452
One-way from	£192
Popular in	February
Cheapest in	November
Average price	£455

Icelandair
26/4-1/5
2 total stops
45h 40m total
Washington, D.C. to London

Search Deals

10/5
1 total stop
16h 18m total
Washington, D.C. to London

Search Deals

High demand for flights, 4% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 21 March 2025.

Sat 26/420:30IAD - LGW

1 stop13h 00mIcelandair

Thu 1/515:40LGW - IAD

1 stop32h 40mIcelandair

Deal found 20/3£452

Mon 31/322:20IAD - LGW

1 stop12h 15mTAP AIR PORTUGAL

Wed 2/410:35LGW - IAD

1 stop15h 15mTAP AIR PORTUGAL

Deal found 20/3£464

Mon 5/522:05IAD - LGW

2 stops16h 35mMultiple Airlines

Mon 19/520:20LGW - IAD

2 stops28h 39mMultiple Airlines

Deal found 20/3£467

Sun 6/420:45IAD - LGW

1 stop16h 05mSWISS

Tue 15/418:35LGW - IAD

1 stop26h 40mSWISS

Deal found 20/3£476

Mon 24/322:25IAD - LGW

1 stop19h 05mTurkish Airlines

Sat 29/316:55LGW - IAD

1 stop22h 50mTurkish Airlines

Deal found 20/3£496

Mon 19/513:59IAD - LGW

2 stops13h 11mAmerican Airlines

Thu 29/512:20LGW - IAD

2 stops16h 42mAmerican Airlines

Deal found 20/3£550

Thu 14/819:05IAD - LGW

1 stop9h 55mKLM

Wed 20/812:00LGW - IAD

1 stop11h 28mKLM

Deal found 21/3£557

Wed 28/512:25IAD - LGW

1 stop16h 35mDelta

Tue 17/612:00LGW - IAD

1 stop11h 28mDelta

Deal found 19/3£565

Mon 16/616:30IAD - LGW

1 stop13h 45mITA Airways

Sun 6/712:05LGW - IAD

1 stop31h 35mITA Airways

Deal found 21/3£576

Best flights from Dulles Intl to Gatwick
Discover carefully curated flight deals from Dulles Intl to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 March 2025.

Sat 26/420:30IAD - LGW

1 stop13h 00mIcelandair

Thu 1/515:40LGW - IAD

1 stop32h 40mIcelandair

Deal found 20/3£452

Mon 31/322:20IAD - LGW

1 stop12h 15mTAP AIR PORTUGAL

Wed 2/410:35LGW - IAD

1 stop15h 15mTAP AIR PORTUGAL

Deal found 20/3£464

Mon 5/522:05IAD - LGW

2 stops16h 35mMultiple Airlines

Mon 19/520:20LGW - IAD

2 stops28h 39mMultiple Airlines

Deal found 20/3£467

Sun 6/420:45IAD - LGW

1 stop16h 05mSWISS

Tue 15/418:35LGW - IAD

1 stop26h 40mSWISS

Deal found 20/3£476

Mon 19/513:59IAD - LGW

2 stops13h 11mAmerican Airlines

Thu 29/512:20LGW - IAD

2 stops16h 42mAmerican Airlines

Deal found 20/3£550

Thu 14/819:05IAD - LGW

1 stop9h 55mKLM

Wed 20/812:00LGW - IAD

1 stop11h 28mKLM

Deal found 21/3£557

Wed 28/512:25IAD - LGW

1 stop16h 35mDelta

Fri 13/612:00LGW - IAD

1 stop11h 28mDelta

Deal found 19/3£565

Mon 16/616:30IAD - LGW

1 stop13h 45mITA Airways

Sun 6/712:05LGW - IAD

1 stop31h 35mITA Airways

Deal found 21/3£576

Last-minute flights from Dulles Intl to Gatwick
Discover last-minute flight deals from Dulles Intl to Gatwick. Data last updated 21 March 2025 and is based on user searches.

Mon 24/322:25IAD - LGW

1 stop19h 05mTurkish Airlines

Sat 29/316:55LGW - IAD

1 stop22h 50mTurkish Airlines

Deal found 20/3£496

Wed 26/315:55IAD - LGW

2 stops23h 55mMultiple Airlines

Tue 1/409:00LGW - IAD

2 stops34h 35mMultiple Airlines

Deal found 19/3£526

Thu 27/321:45IAD - LGW

1 stop16h 05mSWISS

Wed 2/418:35LGW - IAD

1 stop26h 40mSWISS

Deal found 20/3£644

Fri 28/315:00IAD - LGW

1 stop26h 30mTurkish Airlines

Wed 9/417:15LGW - IAD

1 stop23h 30mTurkish Airlines

Deal found 19/3£518

Fri 28/309:20IAD - LGW

2 stops18h 10mAmerican Airlines

Wed 9/412:20LGW - IAD

2 stops25h 18mAmerican Airlines

Deal found 20/3£640

Fri 28/311:00IAD - LGW

1 stop38h 20mEthiopian Air

Thu 3/410:10LGW - IAD

2 stops27h 45mEthiopian Air

Deal found 19/3£1,773

Sun 30/320:30IAD - LGW

1 stop10h 15mIcelandair

Sat 12/415:40LGW - IAD

1 stop32h 40mIcelandair

Deal found 21/3£560

Mon 31/322:20IAD - LGW

1 stop12h 15mTAP AIR PORTUGAL

Wed 2/410:35LGW - IAD

1 stop15h 15mTAP AIR PORTUGAL

Deal found 20/3£464

Sun 6/420:45IAD - LGW

1 stop16h 05mSWISS

Tue 15/418:35LGW - IAD

1 stop26h 40mSWISS

Deal found 20/3£476

Wed 9/417:52IAD - LGW

1 stop35h 08mMultiple Airlines

Wed 23/414:00LGW - IAD

1 stop31h 35mMultiple Airlines

Deal found 20/3£468

Fri 25/416:35IAD - LGW

1 stop22h 25mIberia

Thu 1/520:40LGW - IAD

1 stop23h 20mIberia

Deal found 21/3£586

Sat 26/420:30IAD - LGW

1 stop13h 00mIcelandair

Thu 1/515:40LGW - IAD

1 stop32h 40mIcelandair

Deal found 20/3£452

One-way flights from Dulles Intl to Gatwick
Search for one-way flight options from Dulles Intl to Gatwick. Find affordable one-way fares based on user searches. Data last updated 21 March 2025.

Sat 10/512:42IAD - LGW

1 stop16h 18mMultiple Airlines

Deal found 21/3£192

Thu 24/722:20IAD - LGW

1 stop30h 25mTAP AIR PORTUGAL

Deal found 20/3£194

Sun 4/520:30IAD - LGW

1 stop13h 10mIcelandair

Deal found 20/3£230

Wed 21/516:20IAD - LGW

1 stop13h 25mAir Transat

Deal found 19/3£302

Thu 8/511:35IAD - LGW

2 stops17h 15mPorter Airlines

Deal found 20/3£308

Sun 20/420:45IAD - LGW

1 stop16h 05mSWISS

Deal found 20/3£321

Tue 20/509:40IAD - LGW

3 stops18h 45mWestJet

Deal found 19/3£355

Sat 19/416:35IAD - LGW

1 stop13h 15mIberia

Deal found 20/3£360

Cheapflights Fare Finder

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

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 26/4

20:30-14:30

1 stop13h 00m

London Gatwick

Thu 1/5

15:40-19:20

1 stop32h 40m

£452

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 31/3

22:20-15:35

1 stop12h 15m

London Gatwick

Wed 2/4

10:35-20:50

1 stop15h 15m

£464

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 5/5

22:05-19:40

2 stops16h 35m

London Gatwick

Mon 19/5

20:20-19:59

2 stops28h 39m

£467

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 6/4

20:45-17:50

1 stop16h 05m

London Gatwick

Tue 15/4

18:35-16:15

1 stop26h 40m

£476

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 19/5

13:59-08:10

2 stops13h 11m

London Gatwick

Thu 29/5

12:20-00:02

2 stops16h 42m

£550

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 14/8

19:05-10:00

1 stop9h 55m

London Gatwick

Wed 20/8

12:00-18:28

1 stop11h 28m

£557

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 28/5

12:25-10:00

1 stop16h 35m

London Gatwick

Fri 13/6

12:00-18:28

1 stop11h 28m

£565

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 16/6

16:30-11:15

1 stop13h 45m

London Gatwick

Mon 23/6

12:05-14:40

1 stop31h 35m

£576

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 10/5

12:42-10:00

1 stop16h 18m

£192

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 24/7

22:20-09:45

1 stop30h 25m

£194

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 16 results

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 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 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 £102). Flying from Washington, D.C. Dulles Intl Airport to London Gatwick Airport in July is currently the most expensive (average of £142). 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.

Rainfall in Gatwick by month

In terms of precipitation, rainfall in London Gatwick Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Gatwick Airport when rainfall is around 40.0 mm.

Temperature in Gatwick by month

If weather is an important factor for your trip to London Gatwick 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Gatwick

Peruse reviews from past customers who have flown with Delta, Porter Airlines and KLM from Washington, D.C. to London 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.

Delta

8.0

Very Good

7,895 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,895 reviews

Delta

8.0

Very Good

7,895 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines

7.9

Good

275 reviews

Delta

8.0

Very Good

7,895 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,319 reviews

Delta

8.0

Very Good

7,895 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat

7.8

Good

380 reviews

Delta

8.0

Very Good

7,895 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,567 reviews

Delta

8.0

Very Good

7,895 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to London Gatwick Airport round-trip?
According to our current data, Icelandair (£452), TAP AIR PORTUGAL (£464), and SWISS (£476) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to London Gatwick Airport. Icelandair is 23% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to London Gatwick Airport one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £194. Icelandair flights start at £230 while deals on Air Transat start at £302 one-way.
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 holiday 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 £102). Flying from Washington, D.C. Dulles Intl Airport to London Gatwick Airport in July is currently the most expensive (average of £142). 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

Hounslow

Deal

Milton Keynes

Gatwick

Croydon

Slough

Luton

Eastbourne

Ilford

Hayes

Crawley

Southend-on-Sea

Wembley

Maidstone

Winchester

Ipswich

Watford

Southall

Dartford

Folkestone

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

When you search for this flight from Dulles Intl to Gatwick, 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 Dulles Intl to Gatwick?

Cheapflights helps you find that perfect flight to Gatwick from Dulles Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Dulles Intl to Gatwick, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Dulles Intl to Gatwick flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport from £192

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Dulles Intl to Gatwick

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Gatwick

Cheapest flights from Dulles Intl to GatwickExplore 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 21 March 2025.

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 21 March 2025.

Cheapflights Fare Finder

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.

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.

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?

Rainfall in Gatwick by month

Plan your trip to Gatwick by taking into account the average rainfall totals by month.

Temperature in Gatwick by month

Plan your trip to Gatwick by taking into account the average temperature totals by month.

Reviews of airlines servicing Gatwick

Peruse reviews from past customers who have flown with Delta, Porter Airlines and KLM from Washington, D.C. to London 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.

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.

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

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to London Gatwick Airport one-way?

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

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

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

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

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

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

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

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

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

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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 21 March 2025.