In terms of precipitation, rainfall in London Gatwick Airport ranges from 40.0 - 70.0 mm 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 time of day to fly from IAD to LGW?

When flying from Washington, D.C. Dulles Intl Airport to London Gatwick Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

C$ 453+ Cheap Flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport

Cheap flight deals from Dulles Intl to Gatwick

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 28 October 2026.

Sun 15/1111:16 a.m. -

1 stop13h 34m

Wed 18/119:50 a.m. -

1 stop29h 31m

Deal found 23/10C$ 951

Thu 10/125:25 p.m. -

1 stop11h 25m

Mon 14/129:35 p.m. -

2 stops22h 05m

Deal found 27/10C$ 1,031

Wed 11/1110:30 p.m. -

2 stops30h 30m

Mon 16/114:35 p.m. -

1 stop27h 05m

Deal found 27/10C$ 1,035

Mon 30/115:25 p.m. -

2 stops22h 10m

Wed 9/124:35 p.m. -

1 stop27h 40m

Deal found 23/10C$ 1,037

Sat 14/115:25 p.m. -

1 stop11h 25m

Sun 22/119:25 p.m. -

2 stops46h 15m

Deal found 26/10C$ 1,038

Tue 1/125:25 p.m. -

1 stop11h 25m

Mon 7/129:35 p.m. -

2 stops22h 05m

Deal found 23/10C$ 1,040

Fri 27/1110:30 p.m. -

2 stops28h 50m

Fri 4/124:40 p.m. -

1 stop27h 35m

Deal found 26/10C$ 1,044

Sun 29/1110:30 p.m. -

2 stops17h 05m

Sat 12/124:35 p.m. -

1 stop33h 00m

Deal found 25/10C$ 1,047

Thu 26/115:25 p.m. -

2 stops35h 00m

Fri 4/124:40 p.m. -

1 stop27h 35m

Deal found 27/10C$ 1,063

Thu 12/115:25 p.m. -

2 stops22h 10m

Mon 16/114:35 p.m. -

1 stop27h 05m

Deal found 24/10C$ 1,065

Sat 14/117:40 p.m. -

1 stop10h 15m

Wed 18/1111:55 a.m. -

1 stop11h 35m

Deal found 27/10C$ 1,066

Find flight deals from Dulles Intl to Gatwick

Round-trip from	C$ 951
One-way from	C$ 453
Popular in	June
Cheapest in	February
Average price	C$ 1,324

15/11-18/11
2 total stops
43h 05m total
Washington, D.C. to London

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Icelandair
17/11-31/12
1 total stop
10h 15m total
Washington, D.C. to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (C$ 358 potential increase over avg. RT price).

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Cheapest flight prices on average. 8% potential price decrease (C$ 122 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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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

Cheapest round-trip

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Wed 31/3

6:30 p.m.-4:00 p.m.

2 stops16h 30m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 476

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Wed 17/3

6:30 p.m.-3:45 p.m.

2 stops17h 15m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 476

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Mon 29/3

6:30 p.m.-4:00 p.m.

2 stops16h 30m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 528

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Sat 27/2

6:40 p.m.-3:45 p.m.

1 stop16h 05m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 539

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Thu 21/1

10:16 p.m.-10:00 a.m.

1 stop30h 44m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 543

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Fri 26/2

7:30 a.m.-9:00 a.m.

2 stops20h 30m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 546

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Sat 3/4

6:30 p.m.-4:00 p.m.

2 stops16h 30m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 546

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Mon 15/3

6:25 p.m.-8:35 p.m.

2 stops22h 10m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 638

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Thu 1/4

4:40 p.m.-8:25 p.m.

2 stops22h 45m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 666

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Sat 6/3

5:25 p.m.-8:40 p.m.

2 stops22h 15m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 666

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 23 resultsSorted by cheapest first

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.

IAD-LGW

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 C$ 598). Flying from Washington, D.C. Dulles Intl Airport to London Gatwick Airport in June is currently the most expensive (average of C$ 2,103). 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.

Related info for your journey

How long is the flight from Washington, D.C. Dulles Intl Airport to London Gatwick Airport?
There are many flights that can get you from Washington, D.C. Dulles Intl Airport to London Gatwick Airport in 22h 10m. Fly via TAP AIR PORTUGAL to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to London Gatwick Airport is about 5927 km.
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 C$ 598). Flying from Washington, D.C. Dulles Intl Airport to London Gatwick Airport in June is currently the most expensive (average of C$ 2,103). 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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Gatwick

Romford

Twickenham

Ilford

Bromley

Sutton

Luton

Kingston upon Thames

Slough

Marlow

Cobham

Hounslow

Wembley

Watford

High Wycombe

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Cheapflights makes it easy to find Dulles Intl to Gatwick flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Gatwick from Dulles Intl.

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?

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Cheap flights from Washington, D.C. Dulles Intl Airport to London Gatwick Airport from C$ 453

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. 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

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 28 October 2026.

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 28 October 2026.

Best flights from Dulles Intl to GatwickDiscover carefully curated flight deals from Dulles Intl to Gatwick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 October 2026.

Discover carefully curated flight deals from Dulles Intl to Gatwick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 October 2026.

Last-minute flights from Dulles Intl to GatwickDiscover last-minute flight deals from Dulles Intl to Gatwick. Data last updated 28 October 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Gatwick. Data last updated 28 October 2026 and is based on user searches.

One-way flights from Dulles Intl to GatwickSearch for one-way flight options from Dulles Intl to Gatwick. Find affordable one-way fares based on user searches. Data last updated 28 October 2026.

Search for one-way flight options from Dulles Intl to Gatwick. Find affordable one-way fares based on user searches. Data last updated 28 October 2026.

Find flight deals from Dulles Intl to Gatwick

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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

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

Related info for your journey

How long is the flight from Washington, D.C. Dulles Intl Airport to London Gatwick Airport?

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?

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Alternative routes for Dulles Intl to Gatwick

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Complete your trip

Complete your trip to Gatwick by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to England

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Other flights to Gatwick

Explore flights to Gatwick departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 October 2026.

Dulles Intl and Gatwick flights

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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 28 October 2026.

Best flights from Dulles Intl to Gatwick
Discover carefully curated flight deals from Dulles Intl to Gatwick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 October 2026.

Last-minute flights from Dulles Intl to Gatwick
Discover last-minute flight deals from Dulles Intl to Gatwick. Data last updated 28 October 2026 and is based on user searches.

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 28 October 2026.