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.

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.

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).

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 £547 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 28% 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.

£198+ 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 35% by booking at least 48 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 £578.

Cheap flight deals from Dulles Intl to Gatwick

Round-trip from	£399
One-way from	£198
Popular in	December
Cheapest in	November
Average price	£580

TAP AIR PORTUGAL
10/8-2/9
2 total stops
39h 45m total
Washington, D.C. to London

Search Deals

27/7
1 total stop
27h 57m total
Washington, D.C. to London

Search Deals

High demand for flights, 2% potential price rise

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 15 July 2025.

Sun 10/822:20IAD - LGW

1 stop11h 50mTAP AIR PORTUGAL

Tue 2/916:25LGW - IAD

1 stop27h 55mTAP AIR PORTUGAL

Deal found 14/7£399

Sun 7/922:20IAD - LGW

2 stops19h 10mMultiple Airlines

Mon 15/917:00LGW - IAD

2 stops27h 20mMultiple Airlines

Deal found 14/7£400

Thu 14/812:13IAD - LGW

1 stop16h 47mDelta

Thu 28/812:00LGW - IAD

1 stop12h 43mDelta

Deal found 14/7£401

Wed 3/906:00IAD - LGW

2 stops23h 00mVirgin Atlantic

Mon 8/912:00LGW - IAD

1 stop12h 43mVirgin Atlantic

Deal found 13/7£404

Wed 17/920:45IAD - LGW

1 stop16h 10mSWISS

Wed 8/1018:35LGW - IAD

1 stop26h 40mSWISS

Deal found 14/7£408

Thu 25/920:30IAD - LGW

1 stop13h 10mIcelandair

Sat 4/1015:40LGW - IAD

1 stop32h 40mIcelandair

Deal found 13/7£411

Sat 6/916:35IAD - LGW

1 stop13h 15mIberia

Tue 7/1020:40LGW - IAD

1 stop23h 20mIberia

Deal found 13/7£413

Mon 18/816:35IAD - LGW

2 stops25h 10mBritish Airways

Tue 26/820:40LGW - IAD

1 stop23h 20mBritish Airways

Deal found 14/7£420

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 15 July 2025.

Sun 10/822:20IAD - LGW

1 stop11h 50mTAP AIR PORTUGAL

Tue 2/916:25LGW - IAD

1 stop27h 55mTAP AIR PORTUGAL

Deal found 14/7£399

Sun 7/922:20IAD - LGW

2 stops19h 10mMultiple Airlines

Mon 15/917:00LGW - IAD

2 stops27h 20mMultiple Airlines

Deal found 14/7£400

Thu 14/812:13IAD - LGW

1 stop16h 47mDelta

Thu 28/812:00LGW - IAD

1 stop12h 43mDelta

Deal found 14/7£401

Wed 3/906:00IAD - LGW

2 stops23h 00mVirgin Atlantic

Mon 8/912:00LGW - IAD

1 stop12h 43mVirgin Atlantic

Deal found 13/7£404

Wed 17/920:45IAD - LGW

1 stop16h 10mSWISS

Wed 8/1018:35LGW - IAD

1 stop26h 40mSWISS

Deal found 14/7£408

Thu 25/920:30IAD - LGW

1 stop13h 10mIcelandair

Sat 4/1015:40LGW - IAD

1 stop32h 40mIcelandair

Deal found 13/7£411

Sat 6/916:35IAD - LGW

1 stop13h 15mIberia

Tue 7/1020:40LGW - IAD

1 stop23h 20mIberia

Deal found 13/7£413

Mon 18/816:35IAD - LGW

2 stops25h 10mBritish Airways

Tue 26/820:40LGW - IAD

1 stop23h 20mBritish Airways

Deal found 14/7£420

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

Sat 19/720:31IAD - LGW

2 stops33h 44mITA Airways

Sun 31/812:05LGW - IAD

1 stop31h 35mITA Airways

Deal found 13/7£517

Sat 19/706:10IAD - LGW

2 stops19h 50mMultiple Airlines

Mon 25/810:00LGW - IAD

1 stop14h 24mMultiple Airlines

Deal found 13/7£525

Sat 19/720:30IAD - LGW

1 stop13h 05mIcelandair

Sun 31/815:40LGW - IAD

1 stop11h 30mIcelandair

Deal found 13/7£562

Tue 22/712:12IAD - LGW

1 stop16h 48mVirgin Atlantic

Tue 29/712:00LGW - IAD

1 stop12h 51mVirgin Atlantic

Deal found 14/7£495

Tue 22/720:45IAD - LGW

1 stop16h 05mSWISS

Wed 6/818:35LGW - IAD

1 stop26h 40mSWISS

Deal found 14/7£618

Wed 23/717:50IAD - LGW

1 stop15h 10mTAP AIR PORTUGAL

Thu 21/821:20LGW - IAD

2 stops23h 00mTAP AIR PORTUGAL

Deal found 13/7£544

Wed 23/712:12IAD - LGW

1 stop16h 48mKLM

Thu 31/712:00LGW - IAD

2 stops17h 34mKLM

Deal found 14/7£634

Thu 24/716:35IAD - LGW

1 stop22h 20mIberia

Wed 13/811:35LGW - IAD

1 stop32h 25mIberia

Deal found 13/7£533

Tue 29/712:12IAD - LGW

2 stops18h 03mITA Airways

Wed 27/812:05LGW - IAD

1 stop31h 35mITA Airways

Deal found 13/7£453

Sat 2/816:35IAD - LGW

1 stop13h 15mIberia

Tue 2/920:40LGW - IAD

1 stop23h 20mIberia

Deal found 14/7£413

Sun 10/822:20IAD - LGW

1 stop11h 50mTAP AIR PORTUGAL

Tue 2/916:25LGW - IAD

1 stop27h 55mTAP AIR PORTUGAL

Deal found 14/7£399

Sun 10/823:15IAD - LGW

1 stop31h 30mIcelandair

Tue 19/815:40LGW - IAD

1 stop11h 30mIcelandair

Deal found 13/7£424

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 15 July 2025.

Sun 27/721:58IAD - LGW

1 stop27h 57mMultiple Airlines

Deal found 14/7£198

Sun 17/822:20IAD - LGW

1 stop30h 25mTAP AIR PORTUGAL

Deal found 13/7£204

Mon 21/720:30IAD - LGW

1 stop10h 15mIcelandair

Deal found 13/7£205

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

Sun 10/8

22:20-15:10

1 stop11h 50m

London Gatwick

Tue 2/9

16:25-15:20

1 stop27h 55m

£399

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 7/9

22:20-22:30

2 stops19h 10m

London Gatwick

Mon 15/9

17:00-15:20

2 stops27h 20m

£400

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 14/8

12:13-10:00

1 stop16h 47m

London Gatwick

Thu 28/8

12:00-19:43

1 stop12h 43m

£401

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 3/9

06:00-10:00

2 stops23h 00m

London Gatwick

Mon 8/9

12:00-19:43

1 stop12h 43m

£404

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 17/9

20:45-17:55

1 stop16h 10m

London Gatwick

Wed 8/10

18:35-16:15

1 stop26h 40m

£408

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 25/9

20:30-14:40

1 stop13h 10m

London Gatwick

Sat 4/10

15:40-19:20

1 stop32h 40m

£411

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 6/9

16:35-10:50

1 stop13h 15m

London Gatwick

Tue 7/10

20:40-15:00

1 stop23h 20m

£413

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 18/8

16:35-22:45

2 stops25h 10m

London Gatwick

Tue 26/8

20:40-15:00

1 stop23h 20m

£420

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 27/7

21:58-06:55

1 stop27h 57m

£198

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 17/8

22:20-09:45

1 stop30h 25m

£204

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 11 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, April 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.

Reviews of airlines servicing Gatwick

Get a feel of what it's like to fly with Delta, SWISS, andVirgin Atlantic from Washington, D.C. Dulles Intl Airport to London Gatwick Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,956 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

SWISS

7.5

Good

1,657 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

655 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

TAP AIR PORTUGAL

7.1

Good

1,918 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Icelandair

7.0

Good

515 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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, TAP AIR PORTUGAL (£399), Delta (£401), and Virgin Atlantic (£404) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to London Gatwick Airport. TAP AIR PORTUGAL is 26% cheaper than the average price of flights available within the next 90 days to this destination.
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, April 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.

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Croydon

Hounslow

Deal

Gatwick

Slough

Luton

Wembley

Crawley

Eastbourne

Ilford

Hayes

Ipswich

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Folkestone

Watford

Winchester

Maidstone

Guildford

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 £198

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 27/7. 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 15 July 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 15 July 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?

Reviews of airlines servicing Gatwick

Get a feel of what it's like to fly with Delta, SWISS, andVirgin Atlantic from Washington, D.C. Dulles Intl Airport to London Gatwick Airport by reading reviews from past customers. Users have also rated airlines 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?

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 London Gatwick 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 15 July 2025.