What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to London Stansted Airport?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to London Stansted Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London Stansted Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Stansted Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Stansted Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to London Stansted Airport?

Travelers have found that booking a Monday departure is the best way to save up to 62% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to London Stansted Airport?

To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to London Stansted Airport, book at least 48 days before your planned departure. Booking around this time can save you about 35% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $770 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $886.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to London Stansted Airport?

Our data shows that January tends to be the cheapest month to fly to London Stansted Airport from Washington, D.C. Dulles Intl Airport. Users have commonly found prices around $734 for the month, but tickets can be as low as $386. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from IAD to STN?

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to London Stansted Airport at noon. Doing so could potentially save you 9% on the flight price compared to flying in the morning, which is usually more expensive.

Can I find deals for flights from Dulles Intl to Stansted that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Stansted flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Stansted?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Stansted.

Can I find deals for business class flights from Dulles Intl to Stansted?

Yes. Cheapflights offers flight deals from Dulles Intl to Stansted by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$265+ Flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport

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Cheap flight deals from Dulles Intl to Stansted

Round-trip from	$504 (Mytrip)
One-way from	$265 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$730

From Washington, D.C. Dulles Intl to London Stansted

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One-way flight from Washington, D.C. Dulles Intl to London Stansted

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Highest demand for flights based on searches. 18% potential increase in price ($114 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Cheapest flights from Dulles Intl to Stansted
Explore the most affordable flight options available from Dulles Intl to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Sun 9/148:45 pmIAD - STN

2 stops21h 35mMultiple Airlines

Mon 9/229:30 pmSTN - IAD

2 stops28h 35mMultiple Airlines

Deal found 7/28

$504

Best flights from Dulles Intl to Stansted
Discover carefully curated flight deals from Dulles Intl to Stansted that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sun 9/148:45 pmIAD - STN

2 stops21h 35mMultiple Airlines

Mon 9/229:30 pmSTN - IAD

2 stops28h 35mMultiple Airlines

Deal found 7/28

$504

Last-minute flights from Dulles Intl to Stansted
Discover last-minute flight deals from Dulles Intl to Stansted. Data last updated July 29, 2025 and is based on user searches.

Tue 8/55:20 pmIAD - STN

1 stop9h 30mMultiple Airlines

Wed 8/208:15 amSTN - IAD

1 stop12h 35mMultiple Airlines

Deal found 7/28

$552

Tue 8/128:30 pmIAD - STN

2 stops12h 50mMultiple Airlines

Tue 8/1911:15 amSTN - IAD

2 stops15h 55mMultiple Airlines

Deal found 7/29

$543

One-way flights from Dulles Intl to Stansted
Search for one-way flight options from Dulles Intl to Stansted. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Tue 9/165:00 pmIAD - STN

2 stops26h 10mMultiple Airlines

Deal found 7/27

$265

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 9/14

8:45 pm-11:20 pm

2 stops21h 35m

London Stansted

Mon 9/22

9:30 pm-9:05 pm

2 stops28h 35m

$504

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 9/16

5:00 pm-12:10 am

2 stops26h 10m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Dulles Intl to Stansted

Have a flexible travel schedule? Discover the best time to fly to Stansted from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Dulles Intl to Stansted that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Stansted flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Stansted?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Stansted.
Can I find deals for business class flights from Dulles Intl to Stansted?
Yes. Cheapflights offers flight deals from Dulles Intl to Stansted by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top airline flying from Dulles Intl to Stansted

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$313	Average$484	FlexibilityNo cancel fee	On-timeN/A

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$265+ Cheap flights from Dulles Intl (IAD) to Stansted (STN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Stansted with Cheapflights

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Cheap flight deals from Dulles Intl to Stansted

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Find flight deals from Dulles Intl to Stansted

Cheapest flights from Dulles Intl to StanstedExplore the most affordable flight options available from Dulles Intl to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Dulles Intl to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport that are best for you.

Best time to book a flight from Dulles Intl to Stansted

Have a flexible travel schedule? Discover the best time to fly to Stansted from Dulles Intl with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Stansted. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Dulles Intl to Stansted that include hotel bookings?

How can I find direct flights from Dulles Intl to Stansted?

Can I find deals for business class flights from Dulles Intl to Stansted?

Traveling to a place near London Stansted Airport?

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Alternative routes for Dulles Intl to Stansted

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Top airline flying from Dulles Intl to Stansted

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Cheapest flights from Dulles Intl to Stansted
Explore the most affordable flight options available from Dulles Intl to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.