LGW - IAD

$479 Find Cheap Flights from London Gatwick Airport to Washington Dulles Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$559
Typical prices: $487-$694
SWISS
Tue 3/6Wed 3/14
LGW - IAD • 1 stop
Cheapest one-way
$479
Typical prices: $511-$730
Multiple Airlines
Fri 1/5
LGW - IAD • 3 stops
Nonstop flights
Not available
There are currently no direct flights between London Gatwick Airport and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
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When to book
15 weeks
in advance
Our data shows that travelers who book at least 15 weeks in advance save around 41% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 16% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
New York John F Kennedy Intl (JFK)
Cheapest • Avg $594 (round-trip)
Madrid Barajas (MAD)
Shortest trip • 12h 17m (one-way)
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
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Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Gatwick to Dulles Intl

Sat, Mar 6 - Sun, Mar 14
SWISS Logo
6:40 pm - 3:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
25h 50m1 stop Zurich
SWISS Logo
9:10 pm - 5:50 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
16h 40m1 stop Zurich
$559SWISS
Tue, Oct 13 - Tue, Oct 20
SWISS Logo
6:35 pm - 4:45 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
27h 10m1 stop Zurich
SWISS Logo
8:20 pm - 5:50 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
16h 30m1 stop Zurich
$560SWISS
Fri, Nov 13 - Sun, Nov 22
SWISS Logo
6:40 pm - 3:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
25h 50m1 stop Zurich
SWISS Logo
8:10 pm - 7:50 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
30h 40m1 stop Zurich
$560SWISS
Wed, Oct 14 - Mon, Nov 9
Virgin Atlantic Logo
10:25 am - 7:35 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
14h 10m1 stop Paris Charles de Gaulle
Virgin Atlantic Logo
6:40 pm - 3:45 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
16h 05m1 stop Paris Charles de Gaulle
$561Virgin Atlantic
Mon, Nov 2 - Thu, Nov 5
Icelandair Logo
11:55 am - 6:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 10:55 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
10h 15m1 stop Reykjavik Keflavik Intl
$561Icelandair
Wed, Jan 13 - Wed, Jan 20
SWISS Logo
6:40 pm - 3:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
25h 50m1 stop Zurich
SWISS Logo
8:10 pm - 5:50 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
16h 40m1 stop Zurich
$561SWISS
Sun, Nov 1 - Sun, Nov 8
SWISS Logo
8:40 am - 5:00 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
13h 20m1 stop Zurich
SWISS Logo
8:10 pm - 5:50 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
16h 40m1 stop Zurich
$561SWISS
Sat, Mar 6 - Sun, Mar 14
SWISS Logo
6:40 pm - 5:00 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
27h 20m1 stop Zurich
SWISS Logo
9:10 pm - 5:50 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
16h 40m1 stop Zurich
$561SWISS
Sat, Mar 6 - Sun, Mar 14
SWISS Logo
6:40 pm - 3:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
25h 50m1 stop Zurich
SWISS Logo
9:10 pm - 5:50 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
16h 40m1 stop Zurich
$562SWISS
Sun, Nov 1 - Sun, Nov 8
SWISS Logo
8:40 am - 5:00 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
13h 20m1 stop Zurich
SWISS Logo
8:10 pm - 5:50 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
16h 40m1 stop Zurich
$562SWISS
Booking Insights

Price, demand and travel trends for London Gatwick Airport to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport with more confidence.

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

Round-trip flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport start at $559. Prices are typical for this route right now, with typical round-trip fares ranging from $487 to $694. The lowest price found in the past 5 days was $559 on SWISS.

What's the cheapest day of the week to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

Thursday is the cheapest day of the week to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport, it is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•February is the cheapest month to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport at $473 round-trip.
•July ($713) and June ($630) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 50% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from London Gatwick Airport to Washington, D.C. Dulles Intl Airport the cheapest?

Flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport are cheapest 15 weeks before departure. Booking in this window typically costs about 41% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for London Gatwick Airport to Washington, D.C. Dulles Intl Airport flights

Low season

November

Cheapest flight

$479
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 7% increase in price.
Flight from London Gatwick Airport to Washington, D.C. Dulles Intl 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

Your London Gatwick Airport to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

    Flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport usually depart from London Gatwick (LGW) and arrive at Washington, D.C. Dulles Intl (IAD).

  • What cabin classes can I book on flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

    Two cabin classes are available on flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • Reykjavik Keflavik Intl (KEF) - 83% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 5% of one-stop connections
    • Lisbon Humberto Delgado (LIS) - 4% of one-stop connections
    • Istanbul (IST) - 3% of one-stop connections

    Reykjavik Keflavik Intl (KEF) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 20% on the London Gatwick Airport to Washington, D.C. Dulles Intl Airport route. Thursday is the cheapest departure day at $511 round-trip on average, while Sunday is the most expensive at $632, a difference of $121. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

  • How expensive are last-minute London Gatwick Airport to Washington, D.C. Dulles Intl Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 32% above the route average of $562. Book 15 weeks before departure for the lowest fares.

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

    A nonstop flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport takes 0h 00m, covering 3,683 miles.

  • Do I need a passport to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from London Gatwick Airport to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from London Gatwick Airport to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $482, which is 25% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

    Flying via New York John F Kennedy Intl (JFK) gives the shortest average 1-stop total travel time at 11h 24m, compared with 12h 17m via Madrid Barajas (MAD) and 12h 20m via Paris Charles de Gaulle (CDG).

  • What is the time difference between London Gatwick Airport and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 5 hours behind London Gatwick Airport (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

  • How much should I expect to pay for a London Gatwick Airport to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport range from $487 to $694, with an average of $562 over the past 12 months. Anything below $487 counts as a good deal.

Your guide to booking London Gatwick Airport to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $511 - about $121 less than Sunday (19% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 41% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London Gatwick Airport to Washington, D.C. Dulles Intl Airport trip for February. Fares historically average $473 round-trip in that month - typically $240 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Gatwick to Dulles Intl

Complete your trip to Dulles Intl with a hotel stay or car rental

Car rentals in Washington, D.C.
Hotels in Washington, D.C.
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