NZ$1,163 Cheap Flights London to Washington (LGW-IAD)

View NZ$1,163 flight on Thu, 18 Sep. 2025Opens in a new window

Popular airlines from Gatwick Airport (LGW) to Washington Dulles International Airport (IAD)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from London (LGW) to Washington (IAD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, 6 Dec. - Sun, 7 Dec.
LGW
London
IAD
Washington
NZ$854 Return, found 5 days ago
NZ$854
Return
found 5 days ago
Select Icelandair flight, departing Sat, 6 Dec. from London to Washington, returning Sun, 7 Dec., priced at NZ$854 found 5 days ago
Icelandair
Mon, 8 Sep. - Mon, 22 Sep.
LGW
London
IAD
Washington
NZ$875 Return, found 1 day ago
NZ$875
Return
found 1 day ago
Select Icelandair flight, departing Mon, 8 Sep. from London to Washington, returning Mon, 22 Sep., priced at NZ$875 found 1 day ago
TAP Portugal
Tue, 14 Oct. - Thu, 23 Oct.
LGW
London
IAD
Washington
NZ$1,078 Return, found 1 day ago
NZ$1,078
Return
found 1 day ago
Select TAP Portugal flight, departing Tue, 14 Oct. from London to Washington, returning Thu, 23 Oct., priced at NZ$1,078 found 1 day ago
Icelandair
Sat, 11 Oct. - Thu, 23 Oct.
LGW
London
IAD
Washington
NZ$1,095 Return, found 1 day ago
NZ$1,095
Return
found 1 day ago
Select Icelandair flight, departing Sat, 11 Oct. from London to Washington, returning Thu, 23 Oct., priced at NZ$1,095 found 1 day ago
Icelandair
Tue, 14 Oct. - Thu, 23 Oct.
LGW
London
IAD
Washington
NZ$1,098 Return, found 1 day ago
NZ$1,098
Return
found 1 day ago
Select Icelandair flight, departing Tue, 14 Oct. from London to Washington, returning Thu, 23 Oct., priced at NZ$1,098 found 1 day ago
Virgin Atlantic
Fri, 22 Aug. - Sun, 24 Aug.
LGW
London
IAD
Washington
NZ$1,181 Return, found 5 hours ago
NZ$1,181
Return
found 5 hours ago
Select Virgin Atlantic flight, departing Fri, 22 Aug. from London to Washington, returning Sun, 24 Aug., priced at NZ$1,181 found 5 hours ago
American Airlines
Fri, 22 Aug. - Mon, 25 Aug.
LGW
London
IAD
Washington
NZ$1,185 Return, found 5 hours ago
NZ$1,185
Return
found 5 hours ago
Select American Airlines flight, departing Fri, 22 Aug. from London to Washington, returning Mon, 25 Aug., priced at NZ$1,185 found 5 hours ago
American Airlines
Fri, 22 Aug. - Mon, 25 Aug.
LGW
London
IAD
Washington
NZ$1,188 Return, found 5 hours ago
NZ$1,188
Return
found 5 hours ago
Select American Airlines flight, departing Fri, 22 Aug. from London to Washington, returning Mon, 25 Aug., priced at NZ$1,188 found 5 hours ago
British Airways
Fri, 22 Aug. - Mon, 25 Aug.
LGW
London
IAD
Washington
NZ$1,223 Return, found 5 hours ago
NZ$1,223
Return
found 5 hours ago
Select British Airways flight, departing Fri, 22 Aug. from London to Washington, returning Mon, 25 Aug., priced at NZ$1,223 found 5 hours ago
Virgin Atlantic
Fri, 22 Aug. - Sun, 24 Aug.
LGW
London
IAD
Washington
NZ$1,226 Return, found 5 hours ago
NZ$1,226
Return
found 5 hours ago
Select Virgin Atlantic flight, departing Fri, 22 Aug. from London to Washington, returning Sun, 24 Aug., priced at NZ$1,226 found 5 hours ago
Flight from London to Washington route information
Origin airport
Gatwick
Destination airport
Washington Dulles Intl.
Airlines serving
Air France, American Airlines, Delta, ITA Airways, Icelandair, KLM, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Return price
NZ$853
Distance
5896 km

Perfect flights from London to Washington

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Washington. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Gatwick to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from NZ$1,163 and roundtrip prices from NZ$854. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Washington Dulles Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Washington.

Frequently asked questions

How much is a flight from LGW to Washington Dulles Intl. Airport (IAD)?
Round-trip flights from Gatwick Airport (LGW) to IAD start from NZ$854. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year --- book today so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Gatwick to IAD?
The majority of flights can be cancelled online, but whether you are charged a fee differs between airlines. If you do have to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from London Gatwick to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LGW to Dulles Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London Gatwick to IAD?
The distance is around 5 900 kilometres, so pack your carry-on luggage with all the items you need to make the long journey comfortable. Not sure what to take on board your Gatwick to Chantilly flight? Earplugs, a sleep mask and a neck pillow are among the essentials.
Which airlines fly direct from LGW to Washington Dulles Intl. Airport (IAD)?
Flying directly between London Gatwick and IAD isn't possible at present. However, you'll still be able to book a flight to Chantilly with at least one stop.
Are London Gatwick to IAD flight tickets cheaper when they're purchased at the last minute?
Booking your trip from London Gatwick to IAD last minute could be your ticket to a great deal. However, it could end up costing a good deal more! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

Explore a world of travel with Expedia

Washington Flight Deals

Baltimore

Washington

London Airports

London

Heathrow to Washington
NZ$833.10
*Available to Expedia members.