NZ$383 Cheap Flights Washington to London (IAD-LGW)

View NZ$383 flight on Tue, 18 Nov. 2025Opens in a new window

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

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

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
Tue, 18 Nov. - Tue, 25 Nov.
IAD
Washington
LGW
London
NZ$859 Return, found 22 hours ago
NZ$859
Return
found 22 hours ago
Select Icelandair flight, departing Tue, 18 Nov. from Washington to London, returning Tue, 25 Nov., priced at NZ$859 found 22 hours ago
TAP Portugal
Fri, 28 Nov. - Mon, 15 Dec.
IAD
Washington
LGW
London
NZ$881 Return, found 2 days ago
NZ$881
Return
found 2 days ago
Select TAP Portugal flight, departing Fri, 28 Nov. from Washington to London, returning Mon, 15 Dec., priced at NZ$881 found 2 days ago
Icelandair
Fri, 19 Sep. - Wed, 24 Sep.
IAD
Washington
LGW
London
NZ$882 Return, found 1 day ago
NZ$882
Return
found 1 day ago
Select Icelandair flight, departing Fri, 19 Sep. from Washington to London, returning Wed, 24 Sep., priced at NZ$882 found 1 day ago
Icelandair
Sat, 20 Sep. - Tue, 23 Sep.
IAD
Washington
LGW
London
NZ$885 Return, found 1 day ago
NZ$885
Return
found 1 day ago
Select Icelandair flight, departing Sat, 20 Sep. from Washington to London, returning Tue, 23 Sep., priced at NZ$885 found 1 day ago
TAP Portugal
Fri, 28 Nov. - Mon, 15 Dec.
IAD
Washington
LGW
London
NZ$893 Return, found 2 days ago
NZ$893
Return
found 2 days ago
Select TAP Portugal flight, departing Fri, 28 Nov. from Washington to London, returning Mon, 15 Dec., priced at NZ$893 found 2 days ago
TAP Portugal
Fri, 23 Jan. - Mon, 26 Jan.
IAD
Washington
LGW
London
NZ$905 Return, found 1 day ago
NZ$905
Return
found 1 day ago
Select TAP Portugal flight, departing Fri, 23 Jan. from Washington to London, returning Mon, 26 Jan., priced at NZ$905 found 1 day ago
Icelandair
Sat, 29 Nov. - Mon, 15 Dec.
IAD
Washington
LGW
London
NZ$942 Return, found 2 days ago
NZ$942
Return
found 2 days ago
Select Icelandair flight, departing Sat, 29 Nov. from Washington to London, returning Mon, 15 Dec., priced at NZ$942 found 2 days ago
Swiss International Air Lines
Fri, 19 Sep. - Wed, 24 Sep.
IAD
Washington
LGW
London
NZ$967 Return, found 1 day ago
NZ$967
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Fri, 19 Sep. from Washington to London, returning Wed, 24 Sep., priced at NZ$967 found 1 day ago
United
Fri, 19 Sep. - Wed, 24 Sep.
IAD
Washington
LGW
London
NZ$1,088 Return, found 1 day ago
NZ$1,088
Return
found 1 day ago
Select United flight, departing Fri, 19 Sep. from Washington to London, returning Wed, 24 Sep., priced at NZ$1,088 found 1 day ago
Turkish Airlines
Tue, 9 Sep. - Tue, 16 Sep.
IAD
Washington
LGW
London
NZ$1,197 Return, found 1 day ago
NZ$1,197
Return
found 1 day ago
Select Turkish Airlines flight, departing Tue, 9 Sep. from Washington to London, returning Tue, 16 Sep., priced at NZ$1,197 found 1 day ago
Flight from Washington to London route information
Origin airport
Washington Dulles Intl.
Destination airport
Gatwick
Airlines serving
Icelandair, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Return price
NZ$858
Distance
5896 km

Perfect flights from Washington to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to London. 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 Washington Dulles Intl. to Gatwick ticket options cater to your travel preferences, with incredible one-way fares from NZ$383 and roundtrip prices from NZ$859. 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 Gatwick 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 London.

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to London Gatwick?
Based on fares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights between IAD and Gatwick Airport (LGW) start from NZ$859. Book today to get the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to London Gatwick?
Every air carrier has different terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Gatwick Airport (LGW) 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 IAD to Gatwick Airport (LGW) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to LGW?
Chantilly to Gatwick is around 5 900 kilometres, so be prepared to spend quite a while in the air. Don't forget to pack all the essentials, from your toothbrush to your hairbrush. Take some snacks to nibble on throughout your journey too.
Which airlines fly direct from Dulles Intl. Airport to LGW?
You won't find any airlines flying directly between IAD and London Gatwick, so be ready to make at least one stop on your journey. A layover can be a nice way to break up a trip!
Are Dulles Intl. Airport to Gatwick Airport (LGW) flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so there are no guarantees. While last-minute flight deals between IAD and Gatwick Airport (LGW) are possible, it's also a good idea to keep track of prices well before you fly. In fact, some air carriers announce their prices up to a year ahead of the departure date. Expedia is continuously updating the biggest airfare bargains around, so keep checking and be ready to book when fare prices drop.

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