LGW - IAD

$513 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
$541
Typical prices: $487-$702
Icelandair
Sun 2/18Fri 3/23
LGW - IAD • 1 stop
Cheapest one-way
$515
Typical prices: $504-$729
TAP AIR PORTUGAL
Wed 1/31
LGW - IAD • 1 stop
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.
Insights
Insights
When to book
22 weeks
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 44% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 22% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Reykjavik Keflavik Intl (KEF)
Cheapest • Avg $586 (round-trip)
Madrid Barajas (MAD)
Shortest trip • 12h 17m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
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

Wed, Apr 28 - Sun, May 16
Icelandair Logo
3:40 pm - 7:20 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
32h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
13h 10m1 stop Reykjavik Keflavik Intl
$541Icelandair
Thu, Feb 18 - Tue, Mar 23
Icelandair Logo
11:55 am - 6:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:40 pm - 1:40 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
13h 00m1 stop Reykjavik Keflavik Intl
$541Icelandair
Mon, Apr 12 - Fri, Apr 16
Icelandair Logo
3:40 pm - 7:20 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
32h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
13h 10m1 stop Reykjavik Keflavik Intl
$542Icelandair
Wed, Apr 14 - Wed, Apr 28
Icelandair Logo
3:40 pm - 7:20 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
32h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
13h 10m1 stop Reykjavik Keflavik Intl
$542Icelandair
Sat, Apr 24 - Tue, May 4
Icelandair Logo
3:40 pm - 7:20 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
32h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
13h 10m1 stop Reykjavik Keflavik Intl
$543Icelandair
Fri, Apr 23 - Thu, May 6
Icelandair Logo
3:40 pm - 7:20 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
32h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
13h 10m1 stop Reykjavik Keflavik Intl
$543Icelandair
Thu, Apr 15 - Thu, Apr 29
Icelandair Logo
3:40 pm - 7:20 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
32h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
13h 10m1 stop Reykjavik Keflavik Intl
$543Icelandair
Fri, Apr 23 - Tue, May 4
Icelandair Logo
3:40 pm - 7:20 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
32h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
13h 10m1 stop Reykjavik Keflavik Intl
$543Icelandair
Sat, Apr 24 - Thu, May 6
Icelandair Logo
3:40 pm - 7:20 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
32h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
13h 10m1 stop Reykjavik Keflavik Intl
$543Icelandair
Thu, Apr 15 - Thu, Apr 29
Icelandair Logo
3:40 pm - 7:20 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
32h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
13h 10m1 stop Reykjavik Keflavik Intl
$543Icelandair
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 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 typically range from $487 to $702. The lowest price found in the past 5 days was $541, on Icelandair.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport. It’s 8% cheaper than the average day, while Saturday is the most expensive, with prices 20% higher.

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

•January is the cheapest month to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport at $448 round-trip.
•July ($699) and October ($655) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 56% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights 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 22 weeks before departure. Booking in this window typically costs about 44% 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

January

Cheapest flight

$515
Beat the crowds with an average 45% drop in travelers.
The most popular month to fly with an average 71% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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

  • 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 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 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 $702, with an average of $573 over the past 12 months. Anything below $487 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 32% above the $573 route average. Book 22 weeks before departure for the lowest fares.

  • 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 $520, which is 22% below the typical average for this route.

  • 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 averaging $70 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • 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).

  • 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) - 80% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 8% of one-stop connections
    • Zurich (ZRH) - 4% of one-stop connections
    • Istanbul (IST) - 4% of one-stop connections

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

    Yes. Flexible dates can save you up to 24% on flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport. Thursday is the cheapest departure day at $529 round-trip on average, while Saturday is the most expensive at $691, a difference of $162.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 Madrid Barajas (MAD) gives the shortest average 1-stop total travel time at 12h 17m, compared with 12h 22m via Paris Charles de Gaulle (CDG) and 12h 26m via Reykjavik Keflavik Intl (KEF).

  • 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 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.

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 are flexible, aim for a Thursday departure and avoid flying on Saturday. On this route, Thursday flights average $529, about $162 less than Saturday fares (23% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 44% 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 January. Fares historically average $448 round-trip in that month - typically $251 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.
Vacations in Washington, D.C.