LGW - IAD

$511 Find Cheap Flights from London Gatwick Airport to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Gatwick to Dulles Intl departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Washington, D.C., as well as popular online travel agencies
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41 299 237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$545
Overall average: $597
Icelandair
Wed 2/18Sat 2/28
LGW - IAD • 1 stop
Cheapest one-way
$511
Multiple Airlines
Sat 2/7
LGW - IAD • 2 stops
When to travel
April
Cheapest • 34% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Gatwick to Dulles Intl (LGW-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Gatwick to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Gatwick to Dulles Intl

Wed, Feb 18 - Sat, Feb 28
Icelandair Logo
11:55 am - 6:30 pm
LGW
-
IAD
11h 35m
1 stop
Icelandair Logo
7:40 pm - 10:55 am
IAD
-
LGW
10h 15m
1 stop
$545Icelandair
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
2:00 pm - 7:24 am
LGW
-
IAD
22h 24m
1 stop
Multiple Airlines Logo
2:58 pm - 10:00 am
IAD
-
LGW
15h 02m
2 stops
$551Multiple Airlines
Wed, Feb 18 - Sat, Feb 28
SWISS Logo
6:40 pm - 4:40 pm
LGW
-
IAD
27h 00m
1 stop
SWISS Logo
8:30 pm - 5:50 pm
IAD
-
LGW
16h 20m
1 stop
$552SWISS
Thu, Feb 26 - Thu, Mar 5
Multiple Airlines Logo
2:00 pm - 7:20 am
LGW
-
IAD
22h 20m
1 stop
Multiple Airlines Logo
10:10 am - 10:00 am
IAD
-
LGW
18h 50m
1 stop
$553Multiple Airlines
Thu, Feb 26 - Thu, Mar 5
Multiple Airlines Logo
2:00 pm - 7:20 am
LGW
-
IAD
22h 20m
1 stop
Multiple Airlines Logo
10:10 am - 10:00 am
IAD
-
LGW
18h 50m
1 stop
$563Multiple Airlines
Thu, Apr 9 - Thu, Apr 30
SWISS Logo
9:25 am - 4:45 pm
LGW
-
IAD
12h 20m
1 stop
SWISS Logo
8:20 pm - 5:50 pm
IAD
-
LGW
16h 30m
1 stop
$571SWISS
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
6:35 pm - 7:40 pm
LGW
-
IAD
30h 05m
2 stops
Multiple Airlines Logo
8:20 pm - 5:50 pm
IAD
-
LGW
16h 30m
1 stop
$572Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
SWISS Logo
6:40 pm - 3:25 pm
LGW
-
IAD
24h 45m
1 stop
SWISS Logo
9:30 pm - 5:50 pm
IAD
-
LGW
16h 20m
1 stop
$575SWISS
Fri, Feb 20 - Mon, Mar 2
Icelandair Logo
11:55 am - 6:30 pm
LGW
-
IAD
11h 35m
1 stop
Icelandair Logo
7:40 pm - 10:55 am
IAD
-
LGW
10h 15m
1 stop
$578Icelandair
Tue, Feb 17 - Sun, Feb 22
SWISS Logo
6:40 pm - 3:05 pm
LGW
-
IAD
25h 25m
1 stop
SWISS Logo
8:30 pm - 5:50 pm
IAD
-
LGW
16h 20m
1 stop
$579SWISS
Booking Insights

KAYAK's insights & trends for Gatwick to Dulles Intl flights

Get data-powered insights and trends into flights from Gatwick to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport is April, where tickets cost $476 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is $1,027 and $968 respectively.

Find deals

Good to know

Low seasonApril
Cheapest flight$511
Best time to beat the crowds with an average 35% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from London Gatwick Airport to Washington Dulles Airport

When to book flights from Gatwick to Dulles Intl

Are your dates flexible? Find out the best times to travel from Gatwick to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Gatwick Airport to Washington Dulles Airport flights

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

    In the last 3 days, the lowest price for a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport was $511 for a one-way ticket and $545 for a round-trip.

  • Do I need a passport to fly between London Gatwick Airport and Washington Dulles Airport?

    Yes, you’ll need a passport to travel to Washington Dulles Airport from London Gatwick Airport.

  • Which aircraft models fly most regularly from London Gatwick Airport to Washington Dulles Airport?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from London Gatwick Airport to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Gatwick Airport to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Gatwick Airport to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from London Gatwick Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Gatwick Airport to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to London Gatwick Airport with another airline. Booking your flights between London Gatwick Airport and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Gatwick Airport to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from London Gatwick Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Gatwick to Dulles Intl

Information on your arrival and departure airports

London Gatwick Airport (LGW)
Dulles Intl (IAD)