€496 Cheap Flights Washington to London (IAD-STN)

View €496 flight on Wed, 23 Jul 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Stansted Airport (STN)

  • 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 15% 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 Washington to London (IAD-STN)

Prices were available within the past 7 days and start at €496 for one-way flights and €1,229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Royal Air Maroc
Sun, 27 Jul - Tue, 5 Aug
IAD
Washington
STN
London
€1,229 Return, found 1 day ago
€1,229
Return
found 1 day ago
Select Royal Air Maroc flight, departing Sun, 27 Jul from Washington to London, returning Tue, 5 Aug, priced at €1,229 found 1 day ago
Washington to London route information
Origin airport
Washington Dulles Intl.
Destination airport
Stansted
Return price
€1,229
Distance
5898 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 Stansted ticket options cater to your travel preferences, with incredible one-way fares from €496 and roundtrip prices from €1,229. 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 Stansted 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 IAD to Stansted Airport?
The lowest price advertised for a round-trip journey from Dulles Intl. Airport to Stansted Airport (STN) is €1,229. But you better get a move on. This price is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to Stansted Airport?
Most flights can be cancelled online, but whether you incur a fee depends on your airline. If you do have to cancel your holiday, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Dulles Intl. Airport to STN 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 Dulles Intl. Airport to STN flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from IAD to Stansted Airport?
Make the 20 hours and 45 minutes between Dulles Intl. Airport and London Stansted Airport as comfortable as you can. Bring the essentials, like a neck pillow, your toothbrush and warm clothes, and simply enjoy the flight!
How far is the flight from Washington Dulles Intl. Airport (IAD) to Stansted Airport (STN)?
The distance is around 5,900 kilometres. Sleep mask? Check. Toiletries? Check. We suggest you pack all the travel comforts for this long-haul Chantilly to Bishop’s Stortford flight.
Which airlines fly direct from IAD to Stansted Airport (STN)?
You won’t find any airlines operating directly between Washington Dulles Intl. Airport (IAD) and London Stansted Airport, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip!
Are IAD to STN flight tickets cheaper when they're purchased at the last minute?
Booking your trip from IAD to Stansted Airport (STN) last minute could save you some cash. 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 best bargains up to 12 months in advance. If your preferred air carrier hasn’t released tickets yet, check back frequently as deals are updated all the time on Expedia.

Explore a world of travel with Expedia

*Available to Expedia members.