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 Icelandair, which is currently one of the cheapest options available, starting at £197. TAP AIR PORTUGAL flights start at £201 while deals on Delta start at £318 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 £554 per person but you can even find prices for as low as £287. The most expensive prices can be found in the month of June. Opting for a January flight can save you 31% 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.

£197+ Flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport - Compare & Save Big

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 27% by booking at least 24 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 £595.

Cheap flight deals from Dulles Intl to Gatwick

Round-trip from	£462
One-way from	£197
Popular in	February
Cheapest in	November
Average price	£503

Icelandair
29/8-1/9
2 total stops
24h 40m total
Washington, D.C. to London

Search Deals

Icelandair
29/7
1 total stop
10h 25m total
Washington, D.C. to London

Search Deals

High demand for flights, 3% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 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 30 April 2025.

Fri 29/820:30IAD - LGW

1 stop13h 10mIcelandair

Mon 1/915:40LGW - IAD

1 stop11h 30mIcelandair

Deal found 29/4£462

Tue 6/522:20IAD - LGW

1 stop12h 15mTAP AIR PORTUGAL

Wed 14/516:25LGW - IAD

1 stop27h 55mTAP AIR PORTUGAL

Deal found 29/4£462

Mon 9/619:04IAD - LGW

1 stop30h 56mMultiple Airlines

Fri 20/610:00LGW - IAD

1 stop16h 12mMultiple Airlines

Deal found 29/4£465

Wed 13/812:35IAD - LGW

2 stops16h 25mVirgin Atlantic

Wed 20/812:00LGW - IAD

2 stops16h 15mVirgin Atlantic

Deal found 29/4£485

Mon 12/520:45IAD - LGW

1 stop16h 05mSWISS

Mon 19/518:35LGW - IAD

1 stop26h 40mSWISS

Deal found 28/4£499

Tue 19/816:30IAD - LGW

1 stop13h 45mITA Airways

Mon 1/912:05LGW - IAD

1 stop31h 35mITA Airways

Deal found 28/4£506

Wed 7/513:30IAD - LGW

1 stop21h 45mTurkish Airlines

Fri 16/514:00LGW - IAD

1 stop26h 45mTurkish Airlines

Deal found 29/4£558

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 30 April 2025.

Fri 29/820:30IAD - LGW

1 stop13h 10mIcelandair

Mon 1/915:40LGW - IAD

1 stop11h 30mIcelandair

Deal found 29/4£462

Thu 25/917:50IAD - LGW

2 stops21h 35mTAP AIR PORTUGAL

Thu 16/1010:35LGW - IAD

1 stop15h 15mTAP AIR PORTUGAL

Deal found 29/4£462

Mon 9/619:04IAD - LGW

1 stop30h 56mMultiple Airlines

Fri 20/610:00LGW - IAD

1 stop16h 12mMultiple Airlines

Deal found 29/4£465

Mon 8/916:30IAD - LGW

1 stop13h 45mITA Airways

Thu 11/912:05LGW - IAD

1 stop31h 35mITA Airways

Deal found 29/4£482

Wed 13/812:35IAD - LGW

2 stops16h 25mVirgin Atlantic

Wed 20/812:00LGW - IAD

2 stops16h 15mVirgin Atlantic

Deal found 29/4£485

Sun 14/920:45IAD - LGW

1 stop16h 05mSWISS

Tue 23/918:35LGW - IAD

1 stop26h 40mSWISS

Deal found 29/4£500

Sun 11/513:30IAD - LGW

1 stop21h 45mTurkish Airlines

Thu 22/517:15LGW - IAD

1 stop23h 30mTurkish Airlines

Deal found 30/4£572

Thu 22/511:35IAD - LGW

2 stops17h 15mPorter Airlines

Tue 3/611:35LGW - IAD

2 stops32h 31mPorter Airlines

Deal found 29/4£594

Last-minute flights from Dulles Intl to Gatwick
Discover last-minute flight deals from Dulles Intl to Gatwick. Data last updated 30 April 2025 and is based on user searches.

Fri 2/516:35IAD - LGW

1 stop13h 20mBritish Airways

Mon 12/520:40LGW - IAD

1 stop23h 20mBritish Airways

Deal found 29/4£617

Mon 5/520:45IAD - LGW

1 stop16h 05mSWISS

Mon 19/518:35LGW - IAD

1 stop26h 40mSWISS

Deal found 29/4£586

Tue 6/522:20IAD - LGW

1 stop12h 15mTAP AIR PORTUGAL

Wed 14/516:25LGW - IAD

1 stop27h 55mTAP AIR PORTUGAL

Deal found 29/4£462

Tue 6/520:30IAD - LGW

2 stops19h 45mMultiple Airlines

Tue 13/508:50LGW - IAD

2 stops15h 30mMultiple Airlines

Deal found 29/4£478

Wed 7/513:30IAD - LGW

1 stop21h 45mTurkish Airlines

Fri 16/514:00LGW - IAD

1 stop26h 45mTurkish Airlines

Deal found 29/4£558

Thu 8/520:30IAD - LGW

1 stop13h 10mIcelandair

Sun 11/515:40LGW - IAD

1 stop32h 40mIcelandair

Deal found 29/4£487

Sat 10/521:40IAD - LGW

2 stops27h 40mEthiopian Air

Thu 22/510:10LGW - IAD

2 stops27h 45mEthiopian Air

Deal found 29/4£1,873

Mon 12/520:30IAD - LGW

1 stop10h 15mIcelandair

Tue 20/515:40LGW - IAD

1 stop32h 40mIcelandair

Deal found 28/4£468

Mon 12/520:45IAD - LGW

1 stop16h 05mSWISS

Mon 19/518:35LGW - IAD

1 stop26h 40mSWISS

Deal found 28/4£499

Tue 27/512:20IAD - LGW

1 stop16h 40mDelta

Wed 4/612:00LGW - IAD

1 stop12h 39mDelta

Deal found 29/4£609

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 30 April 2025.

Tue 29/723:15IAD - LGW

1 stop10h 25mIcelandair

Deal found 29/4£197

Thu 10/719:25IAD - LGW

1 stop30h 30mMultiple Airlines

Deal found 29/4£198

Sat 2/817:00IAD - LGW

1 stop11h 45mTAP AIR PORTUGAL

Deal found 29/4£201

Wed 9/712:12IAD - LGW

1 stop16h 48mDelta

Deal found 29/4£318

Wed 9/716:35IAD - LGW

1 stop13h 20mIberia

Deal found 29/4£325

Sun 1/616:20IAD - LGW

2 stops36h 30mPorter Airlines

Deal found 29/4£329

Wed 9/713:00IAD - LGW

2 stops16h 00mVirgin Atlantic

Deal found 29/4£356

Mon 19/516:20IAD - LGW

1 stop13h 25mAir Transat

Deal found 29/4£359

Sun 18/520:45IAD - LGW

1 stop16h 05mSWISS

Deal found 29/4£376

Wed 9/712:12IAD - LGW

2 stops18h 03mITA Airways

Deal found 29/4£377

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

Fri 29/8

20:30-14:40

1 stop13h 10m

London Gatwick

Mon 1/9

15:40-22:10

1 stop11h 30m

£462

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 25/9

17:50-20:25

2 stops21h 35m

London Gatwick

Thu 16/10

10:35-20:50

1 stop15h 15m

£462

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 9/6

19:04-07:00

1 stop30h 56m

London Gatwick

Fri 20/6

10:00-21:12

1 stop16h 12m

£465

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 8/9

16:30-11:15

1 stop13h 45m

London Gatwick

Thu 11/9

12:05-14:40

1 stop31h 35m

£482

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 13/8

12:35-10:00

2 stops16h 25m

London Gatwick

Wed 20/8

12:00-23:15

2 stops16h 15m

£485

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 14/9

20:45-17:50

1 stop16h 05m

London Gatwick

Tue 23/9

18:35-16:15

1 stop26h 40m

£500

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 11/5

13:30-16:15

1 stop21h 45m

London Gatwick

Thu 22/5

17:15-11:45

1 stop23h 30m

£572

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 22/5

11:35-09:50

2 stops17h 15m

London Gatwick

Tue 3/6

11:35-15:06

2 stops32h 31m

£594

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 29/7

23:15-14:40

1 stop10h 25m

£197

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 10/7

19:25-06:55

1 stop30h 30m

£198

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 18 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 Porter Airlines, Delta and Air Transat 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.

Porter Airlines

8.0

Very Good

285 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Porter Airlines

8.0

Very Good

285 reviews

Porter Airlines

8.0

Very Good

285 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Delta

8.0

Very Good

7,929 reviews

Porter Airlines

8.0

Very Good

285 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Air Transat

7.8

Good

385 reviews

Porter Airlines

8.0

Very Good

285 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

SWISS

7.5

Good

1,588 reviews

Porter Airlines

8.0

Very Good

285 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Virgin Atlantic

7.4

Good

642 reviews

Porter Airlines

8.0

Very Good

285 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

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 (£462), TAP AIR PORTUGAL (£462), and ITA Airways (£482) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to London Gatwick Airport. Icelandair is 18% 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 Icelandair, which is currently one of the cheapest options available, starting at £197. TAP AIR PORTUGAL flights start at £201 while deals on Delta start at £318 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

Deal

Hounslow

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Ilford

Hayes

Southend-on-Sea

Crawley

Wembley

Ipswich

Maidstone

Winchester

Folkestone

Dartford

Watford

Chichester

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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 £197

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 29/7. 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 30 April 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 30 April 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 Porter Airlines, Delta and Air Transat 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.

Fly with Cheapflights

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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 30 April 2025.