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Cheap flights from Washington Dulles to London Stansted

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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

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Flight deals from Washington Dulles to London Stansted

Looking for a cheap last-minute deal or the best round-trip flight from Washington Dulles to London Stansted? Find the lowest prices on one-way and round-trip tickets right here.
London.C$808 per passenger.Departing Mon, Mar 31, returning Wed, Apr 30.Round-trip flight with TAP Air Portugal and Ryanair.Outbound indirect flight with TAP Air Portugal, departing from Washington Dulles on Mon, Mar 31, arriving in London Stansted.Inbound indirect flight with Ryanair, departing from London Stansted on Wed, Apr 30, arriving in Washington Dulles.Price includes taxes and charges.From C$808, select.
London.C$815 per passenger.Departing Sun, Apr 6, returning Thu, Apr 10.Round-trip flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departing from Washington Dulles on Sun, Apr 6, arriving in London Stansted.Inbound indirect flight with Ryanair, departing from London Stansted on Thu, Apr 10, arriving in Washington Dulles.Price includes taxes and charges.From C$815, select.
London.C$846 per passenger.Departing Tue, Apr 29, returning Thu, May 8.Round-trip flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departing from Washington Dulles on Tue, Apr 29, arriving in London Stansted.Inbound indirect flight with Ryanair, departing from London Stansted on Thu, May 8, arriving in Washington Dulles.Price includes taxes and charges.From C$846, select.
London.C$852 per passenger.Departing Fri, Sep 5, returning Sun, Sep 21.Round-trip flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departing from Washington Dulles on Fri, Sep 5, arriving in London Stansted.Inbound indirect flight with Ryanair, departing from London Stansted on Sun, Sep 21, arriving in Washington Dulles.Price includes taxes and charges.From C$852, select.
London.C$853 per passenger.Departing Mon, May 5, returning Wed, May 14.Round-trip flight with Scandinavian Airlines and Ryanair.Outbound indirect flight with Scandinavian Airlines, departing from Washington Dulles on Mon, May 5, arriving in London Stansted.Inbound indirect flight with Ryanair, departing from London Stansted on Wed, May 14, arriving in Washington Dulles.Price includes taxes and charges.From C$853, select.
London.C$866 per passenger.Departing Mon, Mar 17, returning Tue, Mar 25.Round-trip flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departing from Washington Dulles on Mon, Mar 17, arriving in London Stansted.Inbound indirect flight with Ryanair, departing from London Stansted on Tue, Mar 25, arriving in Washington Dulles.Price includes taxes and charges.From C$866, select.
London.C$879 per passenger.Departing Fri, Nov 7, returning Tue, Nov 11.Round-trip flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departing from Washington Dulles on Fri, Nov 7, arriving in London Stansted.Inbound indirect flight with Ryanair, departing from London Stansted on Tue, Nov 11, arriving in Washington Dulles.Price includes taxes and charges.From C$879, select.
London.C$913 per passenger.Departing Fri, Oct 3, returning Fri, Oct 10.Round-trip flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departing from Washington Dulles on Fri, Oct 3, arriving in London Stansted.Inbound indirect flight with Ryanair, departing from London Stansted on Fri, Oct 10, arriving in Washington Dulles.Price includes taxes and charges.From C$913, 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 C$866
Apr
from C$815
May
from C$853
Jun
from C$941
Jul
from C$1,054
Aug
from C$943
Sep
from C$852
Oct
from C$913
Nov
from C$879
Dec
from C$2,436
Jan
from C$917
Feb
Find prices

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 foundC$808
Cheapest month to flyMarch

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

The best price we found for a round-trip flight from Washington Dulles to London Stansted is C$808. 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 C$808.
There are no flights flying from Washington Dulles to London Stansted, as of March 2025.
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, March 31, 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, TAP Air Portugal 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 C$357. The cheapest price for a return flight is C$808. 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 center 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 traveling 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

  • You've got your cheap ticket to Stansted Airport — now it's time to find a great stay, and perhaps even your own set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in London.

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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.