When did momondo last update prices for flights from London Stansted Airport to Philadelphia Airport?

Prices for flights from London Stansted Airport to Philadelphia Airport were last updated today.

How old do you have to be to fly from London Stansted Airport to Philadelphia Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Stansted Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$495 Cheap Flights from London Stansted Airport to Philadelphia in 2025/26

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Find the cheapest flights from London Stansted Airport to Philadelphia

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One-way

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Cheap round-trip flights

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8:05 pm - 4:00 pmSTN-PHL

24h 55m2 stops

6:30 pm - 7:50 amPHL-STN

9h 20m1 stop

$763Multiple Airlines

Find Deal

Mon, Mar 2 - Mon, Mar 16

6:30 am - 5:00 pmSTN-PHL

14h 30m1 stop

6:30 pm - 5:50 pmPHL-STN

19h 20m1 stop

$829Multiple Airlines

Find Deal

Fri, Mar 13 - Wed, Mar 18

6:00 pm - 5:00 pmSTN-PHL

27h 00m2 stops

6:30 pm - 7:50 amPHL-STN

9h 20m1 stop

$832Multiple Airlines

Find Deal

Tue, Mar 10 - Thu, Mar 19

9:45 pm - 4:00 pmSTN-PHL

23h 15m1 stop

6:30 pm - 7:50 amPHL-STN

9h 20m1 stop

$846Multiple Airlines

Find Deal

Mon, Mar 2 - Mon, Mar 16

6:00 am - 4:00 pmSTN-PHL

15h 00m1 stop

5:30 pm - 6:20 pmPHL-STN

19h 50m1 stop

$852Multiple Airlines

Find Deal

Tue, Dec 23 - Tue, Dec 30

6:45 pm - 7:48 pmSTN-PHL

30h 03m3 stops

6:00 am - 10:40 pmPHL-STN

35h 40m3 stops

$863Multiple Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 14

8:10 pm - 5:00 pmSTN-PHL

24h 50m2 stops

6:30 pm - 7:50 amPHL-STN

9h 20m1 stop

$879Multiple Airlines

Find Deal

Fri, Mar 13 - Wed, Mar 18

6:30 am - 4:00 pmSTN-PHL

14h 30m1 stop

5:30 pm - 8:20 amPHL-STN

9h 50m1 stop

$892Multiple Airlines

Find Deal

Tue, Dec 16 - Tue, Dec 23

9:45 pm - 7:48 pmSTN-PHL

27h 03m3 stops

6:00 am - 6:10 pmPHL-STN

31h 10m3 stops

$897Multiple Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 14

9:45 pm - 5:00 pmSTN-PHL

23h 15m1 stop

6:30 pm - 7:50 amPHL-STN

9h 20m1 stop

$919Multiple Airlines

Find Deal

Tue, Mar 10 - Thu, Mar 19

momondo 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

Mon 3/2

8:05 pm-4:00 pm

2 stops24h 55m

Philadelphia

Mon 3/16

6:30 pm-7:50 am

1 stop9h 20m

$763

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Fri 3/13

6:30 am-5:00 pm

1 stop14h 30m

Philadelphia

Wed 3/18

6:30 pm-5:50 pm

1 stop19h 20m

$829

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 3/10

6:00 pm-5:00 pm

2 stops27h 00m

Philadelphia

Thu 3/19

6:30 pm-7:50 am

1 stop9h 20m

$832

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 3/2

9:45 pm-4:00 pm

1 stop23h 15m

Philadelphia

Mon 3/16

6:30 pm-7:50 am

1 stop9h 20m

$846

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 12/23

6:00 am-4:00 pm

1 stop15h 00m

Philadelphia

Tue 12/30

5:30 pm-6:20 pm

1 stop19h 50m

$852

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 1/7

6:45 pm-7:48 pm

3 stops30h 03m

Philadelphia

Wed 1/14

6:00 am-10:40 pm

3 stops35h 40m

$863

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Fri 3/13

8:10 pm-5:00 pm

2 stops24h 50m

Philadelphia

Wed 3/18

6:30 pm-7:50 am

1 stop9h 20m

$879

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 12/16

6:30 am-4:00 pm

1 stop14h 30m

Philadelphia

Tue 12/23

5:30 pm-8:20 am

1 stop9h 50m

$892

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 1/7

9:45 pm-7:48 pm

3 stops27h 03m

Philadelphia

Wed 1/14

6:00 am-6:10 pm

3 stops31h 10m

$897

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 3/10

9:45 pm-5:00 pm

1 stop23h 15m

Philadelphia

Thu 3/19

6:30 pm-7:50 am

1 stop9h 20m

$919

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Stansted Airport to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from London Stansted Airport to Philadelphia is on a Tuesday. Travelers who choose to depart for Philadelphia on a Tuesday will often find tickets for as low as $766. On the other hand, Monday is the most expensive day to depart from London Stansted Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $890.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from London Stansted Airport to Philadelphia in the evening for as low as $704. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the morning when prices are around $820.

When to book flights from London Stansted Airport to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from London Stansted Airport to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London Stansted Airport to Philadelphia (STN to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Stansted Airport to Philadelphia

Direct flights	None

There are no direct flights from London Stansted Airport to Philadelphia. There are no popular flight routes from London Stansted Airport to Philadelphia.

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How far is London Stansted to Philadelphia by plane?
The distance between London Stansted and Philadelphia is about 3545.2 mi. By plane, this route typically takes 10h 45m.
When did momondo last update prices for flights from London Stansted Airport to Philadelphia Airport?
Prices for flights from London Stansted Airport to Philadelphia Airport were last updated today.
How old do you have to be to fly from London Stansted Airport to Philadelphia Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Stansted Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Wildwood

Cape May

Rehoboth Beach

Ocean City

Wildwood Crest

King of Prussia

Cherry Hill

Dewey Beach

Newark

Reading

North Wildwood

Dover

Avalon

Lewes

Stone Harbor

Essington

Vineland

Pottstown

New Castle

Somers Point

Why use momondo?

Why should I use momondo to find a flight deal from London to Philadelphia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Philadelphia for you.

Can I find flights from London to Philadelphia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Philadelphia from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Philadelphia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Philadelphia.

I’m not ready to book a flight from London to Philadelphia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Philadelphia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.