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Cheap Flights from Washington D.C. to London

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Compare Washington Dulles to London Stansted flight deals

Find the cheapest month or even day of the year to fly to London Stansted

Book the best London Stansted fare with no extra fees

Flight deals from Washington Dulles to London Stansted

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to London Stansted? Find the lowest prices on one-way and return tickets right here.
London.$905 per passenger.Departing Mon, 7 Apr, returning Wed, 16 Apr.Return flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 7 Apr, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Wed, 16 Apr, arriving in Washington Dulles.Price includes taxes and charges.From $905, select.
London.$932 per passenger.Departing Thu, 24 Apr, returning Thu, 1 May.Return flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Thu, 24 Apr, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Thu, 1 May, arriving in Washington Dulles.Price includes taxes and charges.From $932, select.
London.$949 per passenger.Departing Thu, 1 May, returning Thu, 15 May.Return flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Thu, 1 May, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Thu, 15 May, arriving in Washington Dulles.Price includes taxes and charges.From $949, select.
London.$1,085 per passenger.Departing Mon, 17 Mar, returning Mon, 24 Mar.Return flight with Air Canada and Ryanair.Outbound indirect flight with Air Canada, departs from Washington Dulles on Mon, 17 Mar, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Mon, 24 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $1,085, select.
London.$1,229 per passenger.Departing Sat, 16 Aug, returning Sun, 31 Aug.Return flight with Scandinavian Airlines and Ryanair.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 16 Aug, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Sun, 31 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $1,229, select.
London.$1,262 per passenger.Departing Thu, 27 Mar, returning Fri, 4 Apr.Return flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Thu, 27 Mar, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Fri, 4 Apr, arriving in Washington Dulles.Price includes taxes and charges.From $1,262, select.
London.$1,268 per passenger.Departing Sun, 1 Jun, returning Sun, 15 Jun.Return flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 1 Jun, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Sun, 15 Jun, arriving in Washington Dulles.Price includes taxes and charges.From $1,268, select.
London.$1,414 per passenger.Departing Tue, 1 Jul, returning Tue, 15 Jul.Return flight with Aer Lingus and Ryanair.Outbound indirect flight with Aer Lingus, departs from Washington Dulles on Tue, 1 Jul, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Tue, 15 Jul, arriving in Washington Dulles.Price includes taxes and charges.From $1,414, select.

Find the cheapest month to fly from Washington Dulles to London Stansted

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to London Stansted flights are currently cheapest in April.
Mar
from $1,085
Apr
from $905
May
from $949
Jun
from $1,268
Jul
from $1,414
Aug
from $1,229
Sep
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Oct
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Nov
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Dec
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Jan
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Feb
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Washington Dulles to London Stansted: Alternative routes

Compare routes from Washington Dulles to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Stansted.

Washington D.C. to London: Flight information

The things to know before you go.
Cheapest flight found$905
Cheapest month to flyApril

Finding cheap flights from Washington Dulles to London Stansted: Frequently asked questions

The best price we found for a return flight from Washington Dulles to London Stansted is $905. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington Dulles to London Stansted. But we found flights with one or more stops from $905.
As of March 2025, there are no flights flying from Washington Dulles to London Stansted.
The cheapest month to fly from Washington Dulles to London Stansted is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to London Stansted Airport on Monday, 7 April 2025.
No airlines currently offer direct flights between Washington Dulles Airport and London Stansted Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Stansted but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Icelandair offers the cheapest flight tickets to London Stansted.

Flying from Washington Dulles International Airport (IAD) to Stansted Airport (STN): what you need to know

  • You can expect longer queues in popular months like July and other peak periods. Arriving up to fours hours ahead of an international flight and two hours for domestic departures will give you ample time for security and boarding.

  • If you'd like a stopover for your flight from Washington Dulles International Airport to Stansted Airport, simply deselect 'Direct flights only' and look at all your options. Here are the popular stopovers between IAD and STN:

    • Copenhagen Airport

    • Keflavik International Airport

    • Dublin Airport

  • Before reserving your cheap ticket from IAD to STN, check whether you need a visa to enter United Kingdom. Travel document and visa requirements can vary and are updated frequently. To get the most up-to-date information, get in touch with the nearest consulate or embassy of your destination.

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Stansted Airport (STN)

  • The best price we've seen for a one-way ticket from Washington Dulles International Airport to Stansted Airport is $394. The cheapest price for a return flight is $905. Keep in mind that fares could change due to demand when booking.

  • To find cheap flight tickets from IAD to STN, book early. Airlines generally offer their most competitively priced fares when flights are first made available.

  • Finding cheap flight tickets from Washington Dulles International Airport to Stansted Airport is easier if you can be flexible with your travel dates. Use the 'Whole month' function to see the lowest prices across each month and land a great deal.

  • Set up a Price Alert for cheap flight tickets from IAD to STN. There's no need to check back in every day to see if prices have fallen. We'll notify you as soon as there's a change in price.

  • Tailor your trip using filters. Pick your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Washington Dulles International Airport to Stansted Airport.

Handy information about Washington Dulles International Airport (IAD)

Arriving at Stansted Airport (STN)

Getting from Stansted Airport (STN) to central London

  • Stansted Airport to the centre of London takes about 1 hour by car. It's approximately 64 kilometres away. See what options are available, such as car rentals, cabs or ride-sharing services.

  • It'll take around 1 hour and 27 minutes if you're using public transport.

When to fly to Stansted Airport (STN)

  • It's time to work out your trip dates for your flight from Washington Dulles International Airport to Stansted Airport. August is the busiest month to visit London. If you prefer a quieter vibe, go in April.

  • When booking your flight from Washington Dulles International Airport to Stansted Airport, think about the kind of weather you like. July is the warmest month in London, with the temperature ranging from 11ºC to 26ºC.

  • Search for cheap flight tickets from IAD to STN in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 9ºC on average.

More about London

Complete your London trip with hotels and a car rental

  • Once you've secured your cheap ticket to Stansted Airport, check out our low prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one place to find the best car rental price for your London getaway.

Plan the rest of your trip from Washington D.C. to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.