What is the cheapest month to book a flight from London Stansted Airport to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from London Stansted Airport to Philadelphia (average of $236). Flying from London Stansted Airport to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

How far in advance should I book a flight from London Stansted Airport to Philadelphia?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 17 days in advance, which can save you up to 38% on flights from London Stansted Airport to Philadelphia compared to booking the week you need them. Waiting 17 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $699. For sooner than that we have options available in the next 3 days from $1,030.

What is the cheapest month to fly from London Stansted Airport to Philadelphia?

February can be a great time to fly to Philadelphia from London Stansted Airport with a flight ticket averaging about $752. Cheapflights users have found deals in the month of February for as cheap as $524. The most expensive prices can be found in the month of August.

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

When flying from London Stansted Airport to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Philadelphia from London Stansted?

Philadelphia (PHL) is the airport you will fly into if you book a flight from London Stansted to Philadelphia. You should not have trouble finding flights to Philadelphia from London Stansted; the airport handles an average of 0 inbound flights from London Stansted per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Philadelphia airport from London Stansted. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.

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

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

How can I find direct flights from Stansted to Philadelphia?

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

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

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

$536+ Flights from London Stansted Airport to Philadelphia

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Cheap flight deals from Stansted to Philadelphia

Round-trip from	$718 (Mytrip)
One-way from	$536 (Kiwi.com)
Popular in	August
Cheapest in	February
Average price	$848

From London Stansted to Philadelphia

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One-way flight from London Stansted to Philadelphia

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Highest demand for flights based on searches. 9% potential increase in price ($78 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($20 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 Stansted to Philadelphia
Explore the most affordable flight options available from Stansted to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

Wed 9/36:10 amSTN - PHL

2 stops14h 50mMultiple Airlines

Sun 9/75:35 pmPHL - STN

2 stops23h 15mMultiple Airlines

Deal found 7/9

$718

Best flights from Stansted to Philadelphia
Discover carefully curated flight deals from Stansted to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 11, 2025.

Wed 9/36:10 amSTN - PHL

2 stops14h 50mMultiple Airlines

Sun 9/75:35 pmPHL - STN

2 stops23h 15mMultiple Airlines

Deal found 7/9

$718

Last-minute flights from Stansted to Philadelphia
Discover last-minute flight deals from Stansted to Philadelphia. Data last updated July 11, 2025 and is based on user searches.

Tue 7/158:25 amSTN - PHL

3 stops35h 12mMultiple Airlines

Tue 7/229:20 amPHL - STN

3 stops23h 40mMultiple Airlines

Deal found 7/9

$1,055

Tue 8/1910:35 pmSTN - PHL

3 stops28h 32mMultiple Airlines

Sat 8/239:20 amPHL - STN

3 stops25h 10mMultiple Airlines

Deal found 7/9

$736

One-way flights from Stansted to Philadelphia
Search for one-way flight options from Stansted to Philadelphia. Find affordable one-way fares based on user searches. Data last updated July 11, 2025.

Sun 9/286:00 amSTN - PHL

3 stops32h 22mMultiple Airlines

Deal found 7/9

$536

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Stansted Airport to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 9/3

6:10 am-4:00 pm

2 stops14h 50m

Philadelphia

Sun 9/7

5:35 pm-9:50 pm

2 stops23h 15m

$718

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Sun 9/28

6:00 am-9:22 am

3 stops32h 22m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Best time to book a flight from Stansted to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Stansted 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

What airport do you fly into for flights to Philadelphia from London Stansted?
Philadelphia (PHL) is the airport you will fly into if you book a flight from London Stansted to Philadelphia. You should not have trouble finding flights to Philadelphia from London Stansted; the airport handles an average of 0 inbound flights from London Stansted per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Philadelphia airport from London Stansted. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.
Can I find deals for flights from Stansted to Philadelphia that include hotel bookings?
Yes. In addition to deals on Stansted to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Stansted to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Philadelphia.
Can I find deals for business class flights from Stansted to Philadelphia?
Yes. Cheapflights offers flight deals from Stansted to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Stansted Airport to Philadelphia?
Currently, August is the cheapest month in which you can book a flight from London Stansted Airport to Philadelphia (average of $236). Flying from London Stansted Airport to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$536+ Cheap flights from Stansted (STN) to Philadelphia (PHL)

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Stansted to Philadelphia with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Stansted to Philadelphia

Round-trip from

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Popular in

Cheapest in

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Find flight deals from Stansted to Philadelphia

Cheapest flights from Stansted to PhiladelphiaExplore the most affordable flight options available from Stansted to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

Explore the most affordable flight options available from Stansted to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Stansted Airport to Philadelphia that are best for you.

Best time to book a flight from Stansted to Philadelphia

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

Related info for your journey

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

What airport do you fly into for flights to Philadelphia from London Stansted?

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

How can I find direct flights from Stansted to Philadelphia?

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

What is the cheapest month to book a flight from London Stansted Airport to Philadelphia?

Traveling to a place near London Stansted Airport?

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Cheapest flights from Stansted to Philadelphia
Explore the most affordable flight options available from Stansted to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.