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.

$552 Cheap Flights from London Stansted Airport to Philadelphia in 2025

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Find the cheapest flights from London Stansted Airport to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

6:25 am - 7:00 pmSTN-PHL

17h 35m1 stop

10:20 am - 3:20 pmPHL-STN

24h 00m2 stops

$701

Find Deal

Mon, Sep 8 - Mon, Sep 22

6:55 am - 7:00 pmSTN-PHL

17h 05m1 stop

10:20 am - 7:50 amPHL-STN

16h 30m2 stops

$703

Find Deal

Thu, Sep 18 - Mon, Sep 22

6:40 am - 7:00 pmSTN-PHL

17h 20m1 stop

8:30 pm - 5:05 pmPHL-STN

15h 35m1 stop

$708

Find Deal

Fri, Sep 5 - Fri, Sep 19

12:15 pm - 7:00 pmSTN-PHL

11h 45m1 stop

6:10 pm - 12:55 pmPHL-STN

13h 45m2 stops

$709

Find Deal

Tue, Sep 9 - Sun, Sep 14

11:15 am - 7:00 pmSTN-PHL

12h 45m1 stop

8:30 pm - 6:10 pmPHL-STN

16h 40m1 stop

$710

Find Deal

Tue, Sep 23 - Tue, Sep 30

6:25 am - 7:00 pmSTN-PHL

17h 35m1 stop

8:30 pm - 10:50 amPHL-STN

9h 20m1 stop

$717

Find Deal

Mon, Sep 8 - Mon, Sep 22

6:40 am - 5:45 pmSTN-PHL

16h 05m2 stops

8:30 pm - 4:35 pmPHL-STN

15h 05m1 stop

$718

Find Deal

Fri, Sep 5 - Fri, Sep 19

6:25 am - 7:00 pmSTN-PHL

17h 35m1 stop

8:30 pm - 10:50 amPHL-STN

9h 20m1 stop

$720

Find Deal

Mon, Sep 8 - Mon, Sep 15

8:15 am - 7:00 pmSTN-PHL

15h 45m1 stop

8:30 pm - 10:50 amPHL-STN

9h 20m1 stop

$731

Find Deal

Thu, Oct 16 - Mon, Oct 20

6:30 am - 4:00 pmSTN-PHL

14h 30m1 stop

5:30 pm - 9:50 amPHL-STN

11h 20m1 stop

$744

Find Deal

Fri, Nov 21 - Sun, Nov 30

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 9/8

6:25 am-7:00 pm

1 stop17h 35m

Philadelphia

Mon 9/22

10:20 am-3:20 pm

2 stops24h 00m

$701

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 9/18

6:55 am-7:00 pm

1 stop17h 05m

Philadelphia

Mon 9/22

10:20 am-7:50 am

2 stops16h 30m

$703

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Fri 9/5

6:40 am-7:00 pm

1 stop17h 20m

Philadelphia

Fri 9/19

8:30 pm-5:05 pm

1 stop15h 35m

$708

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 9/9

12:15 pm-7:00 pm

1 stop11h 45m

Philadelphia

Sun 9/14

6:10 pm-12:55 pm

2 stops13h 45m

$709

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 9/23

11:15 am-7:00 pm

1 stop12h 45m

Philadelphia

Tue 9/30

8:30 pm-6:10 pm

1 stop16h 40m

$710

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 9/8

6:25 am-7:00 pm

1 stop17h 35m

Philadelphia

Mon 9/22

8:30 pm-10:50 am

1 stop9h 20m

$717

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Fri 9/5

6:40 am-5:45 pm

2 stops16h 05m

Philadelphia

Fri 9/19

8:30 pm-4:35 pm

1 stop15h 05m

$718

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 9/8

6:25 am-7:00 pm

1 stop17h 35m

Philadelphia

Mon 9/15

8:30 pm-10:50 am

1 stop9h 20m

$720

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 10/16

8:15 am-7:00 pm

1 stop15h 45m

Philadelphia

Mon 10/20

8:30 pm-10:50 am

1 stop9h 20m

$731

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Fri 11/21

6:30 am-4:00 pm

1 stop14h 30m

Philadelphia

Sun 11/30

5:30 pm-9:50 am

1 stop11h 20m

$744

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 $765. On the other hand, Friday 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 $895.

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 $821.

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 11h 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

Reading

Dewey Beach

Newark

North Wildwood

Cherry Hill

Lewes

Dover

Avalon

Stone Harbor

Vineland

Exton

Essington

Pottstown

New Castle

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.