LGW - IAD

$577 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 12/23. 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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Everything you should know

Cheapest round-trip
$621
Typical prices: $582-$728
Multiple Airlines
Wed 1/14Wed 1/21
LGW - IAD • 1 stop
Cheapest one-way
$574
Multiple Airlines
Tue 12/23
LGW - IAD • 3 stops
When to travel
November
Cheapest • 27% price drop
May
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, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
8:50 am - 3:35 pm
LGW
-
IAD
11h 45m1 stop
Multiple Airlines Logo
5:05 pm - 11:10 am
IAD
-
LGW
13h 05m1 stop
$621Multiple Airlines
Tue, Feb 24 - Thu, Mar 5
Icelandair Logo
11:55 am - 6:30 pm
LGW
-
IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 10:55 am
IAD
-
LGW
10h 15m1 stop
$622Icelandair
Wed, Mar 18 - Tue, Mar 24
TAP AIR PORTUGAL Logo
10:40 am - 10:00 pm
LGW
-
IAD
15h 20m1 stop
TAP AIR PORTUGAL Logo
6:30 pm - 9:50 am
IAD
-
LGW
11h 20m1 stop
$624TAP AIR PORTUGAL
Wed, Mar 4 - Wed, Mar 11
Icelandair Logo
11:55 am - 6:30 pm
LGW
-
IAD
11h 35m1 stop
Icelandair Logo
8:40 pm - 10:55 am
IAD
-
LGW
10h 15m1 stop
$625Icelandair
Tue, Jan 13 - Tue, Jan 20
TAP AIR PORTUGAL Logo
4:35 pm - 9:00 pm
LGW
-
IAD
33h 25m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 9:50 am
IAD
-
LGW
11h 20m1 stop
$626TAP AIR PORTUGAL
Fri, Mar 20 - Sun, Mar 22
TAP AIR PORTUGAL Logo
10:40 am - 10:00 pm
LGW
-
IAD
15h 20m1 stop
TAP AIR PORTUGAL Logo
11:30 pm - 9:50 am
IAD
-
LGW
30h 20m1 stop
$629TAP AIR PORTUGAL
Tue, Jan 13 - Tue, Jan 20
TAP AIR PORTUGAL Logo
9:20 pm - 9:00 pm
LGW
-
IAD
28h 40m2 stops
TAP AIR PORTUGAL Logo
5:30 pm - 9:50 am
IAD
-
LGW
11h 20m1 stop
$630TAP AIR PORTUGAL
Thu, Jan 22 - Mon, Feb 2
Icelandair Logo
11:55 am - 6:30 pm
LGW
-
IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 10:55 am
IAD
-
LGW
10h 15m1 stop
$631Icelandair
Sun, Jan 25 - Mon, Jan 26
Multiple Airlines Logo
9:10 am - 9:00 pm
LGW
-
IAD
16h 50m2 stops
Multiple Airlines Logo
1:31 pm - 10:00 am
IAD
-
LGW
15h 29m1 stop
$632Multiple Airlines
Fri, Jan 16 - Thu, Jan 29
TAP AIR PORTUGAL Logo
10:45 am - 9:00 pm
LGW
-
IAD
15h 15m2 stops
TAP AIR PORTUGAL Logo
5:30 pm - 9:50 am
IAD
-
LGW
11h 20m1 stop
$633TAP AIR PORTUGAL
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.

How much is a round-trip flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport departing in January.

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 November, where tickets cost $522 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is $1,003 and $968 respectively.

Find deals

Good to know

Low seasonApril
Cheapest flight$574
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly and prices are also 1% lower on average.
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 $574 for a one-way ticket and $621 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)