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.

$470 Cheap Flights from London Stansted Airport to Philadelphia in 2026/27

Find the cheapest flights from London Stansted Airport to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 am - 4:10 pmSTN London Stansted-PHL Philadelphia

12h 40m1 stop Dublin

5:40 pm - 9:40 amPHL Philadelphia-STN London Stansted

11h 00m1 stop Dublin

$797Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

7:05 am - 10:46 pmSTN London Stansted-PHL Philadelphia

20h 41m3 stops Oslo Gardermoen Frankfurt am Main Toronto Pearson Intl

6:40 pm - 6:50 pmPHL Philadelphia-STN London Stansted

20h 10m2 stops Frankfurt am Main Oslo Gardermoen

$800Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

8:15 am - 10:56 pmSTN London Stansted-PHL Philadelphia

19h 41m3 stops Kastrup Copenhagen Frankfurt am Main Toronto Pearson Intl

5:05 pm - 11:45 pmPHL Philadelphia-STN London Stansted

25h 40m3 stops Toronto Pearson Intl Munich Franz Josef Strauss Kastrup Copenhagen

$800Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

6:30 am - 4:10 pmSTN London Stansted-PHL Philadelphia

14h 40m1 stop Dublin

10:27 am - 7:50 amPHL Philadelphia-STN London Stansted

16h 23m2 stops Boston Logan Intl Dublin

$809Multiple Airlines

Sun, Nov 1 - Sun, Nov 8

6:35 am - 4:10 pmSTN London Stansted-PHL Philadelphia

14h 35m1 stop Dublin

9:29 am - 7:50 amPHL Philadelphia-STN London Stansted

17h 21m2 stops Boston Logan Intl Dublin

$818Multiple Airlines

Mon, Dec 28 - Sun, Jan 3

8:20 am - 4:10 pmSTN London Stansted-PHL Philadelphia

12h 50m1 stop Dublin

5:40 pm - 8:30 amPHL Philadelphia-STN London Stansted

9h 50m1 stop Dublin

$819Multiple Airlines

Mon, Nov 9 - Mon, Nov 16

7:15 am - 4:10 pmSTN London Stansted-PHL Philadelphia

13h 55m1 stop Dublin

5:40 pm - 7:50 amPHL Philadelphia-STN London Stansted

9h 10m1 stop Dublin

$823Multiple Airlines

Tue, Nov 3 - Sun, Nov 8

7:15 am - 4:10 pmSTN London Stansted-PHL Philadelphia

13h 55m1 stop Dublin

5:40 pm - 2:05 pmPHL Philadelphia-STN London Stansted

15h 25m1 stop Dublin

$825Multiple Airlines

Tue, Nov 3 - Mon, Nov 9

Cheap last minute flights

Enter your travel dates to find the best prices.

6:30 am - 6:55 pmSTN London Stansted-PHL Philadelphia

17h 25m1 stop Dublin

8:25 pm - 12:45 pmPHL Philadelphia-STN London Stansted

11h 20m1 stop Dublin

$993Multiple Airlines

Thu, Oct 1 - Thu, Oct 15

12:00 pm - 6:55 pmSTN London Stansted-PHL Philadelphia

11h 55m1 stop Dublin

8:25 pm - 7:30 pmPHL Philadelphia-STN London Stansted

18h 05m1 stop Dublin

$1,040Multiple Airlines

Thu, Oct 1 - Wed, Oct 14

6:30 am - 6:55 pmSTN London Stansted-PHL Philadelphia

17h 25m1 stop Dublin

8:25 pm - 12:45 pmPHL Philadelphia-STN London Stansted

11h 20m1 stop Dublin

$1,090Multiple Airlines

Wed, Sep 30 - Thu, Oct 15

3:00 pm - 4:05 pmSTN London Stansted-PHL Philadelphia

30h 05m2 stops Kastrup Copenhagen Frankfurt am Main

5:40 pm - 9:40 pmPHL Philadelphia-STN London Stansted

23h 00m2 stops Frankfurt am Main Kastrup Copenhagen

$1,100Multiple Airlines

Wed, Sep 30 - Wed, Oct 14

6:30 am - 6:55 pmSTN London Stansted-PHL Philadelphia

17h 25m1 stop Dublin

8:25 pm - 11:35 amPHL Philadelphia-STN London Stansted

10h 10m1 stop Dublin

$1,169Multiple Airlines

Thu, Oct 1 - Wed, Oct 7

6:30 am - 6:55 pmSTN London Stansted-PHL Philadelphia

17h 25m1 stop Dublin

8:25 pm - 11:35 amPHL Philadelphia-STN London Stansted

10h 10m1 stop Dublin

$1,171Multiple Airlines

Wed, Sep 30 - Wed, Oct 14

7:00 am - 10:46 pmSTN London Stansted-PHL Philadelphia

20h 46m3 stops Kastrup Copenhagen Munich Franz Josef Strauss Toronto Pearson Intl

5:40 pm - 5:10 pmPHL Philadelphia-STN London Stansted

18h 30m2 stops Frankfurt am Main Kastrup Copenhagen

$1,213Multiple Airlines

Wed, Sep 30 - Wed, Oct 14

1:15 pm - 10:49 amSTN London Stansted-PHL Philadelphia

26h 34m2 stops Dublin Chicago O'Hare Intl

8:25 pm - 11:35 amPHL Philadelphia-STN London Stansted

10h 10m1 stop Dublin

$1,333Multiple Airlines

Thu, Oct 1 - Wed, Oct 7

3:40 pm - 4:05 pmSTN London Stansted-PHL Philadelphia

29h 25m2 stops Tirana Rinas Frankfurt am Main

5:40 pm - 2:05 pmPHL Philadelphia-STN London Stansted

15h 25m1 stop Dublin

$1,378Multiple Airlines

Tue, Sep 29 - Mon, Dec 14

6:30 pm - 9:32 pmSTN London Stansted-PHL Philadelphia

32h 02m3 stops Budapest Ferenc Liszt Intl Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

7:00 am - 10:55 pmPHL Philadelphia-STN London Stansted

34h 55m2 stops Toronto Pearson Intl Budapest Ferenc Liszt Intl

$1,466Multiple Airlines

Sun, Sep 27 - Fri, Oct 2

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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

Cheapest round-trip

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sun 11/8

8:30 am-4:10 pm

1 stop12h 40m

Philadelphia

Sun 11/15

5:40 pm-9:40 am

1 stop11h 00m

$797

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 10/20

7:05 am-10:46 pm

3 stops20h 41m

Philadelphia

Tue 10/27

6:40 pm-6:50 pm

2 stops20h 10m

$800

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 11/4

8:15 am-10:56 pm

3 stops19h 41m

Philadelphia

Wed 11/11

5:05 pm-11:45 pm

3 stops25h 40m

$800

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sun 11/1

6:30 am-4:10 pm

1 stop14h 40m

Philadelphia

Sun 11/8

10:27 am-7:50 am

2 stops16h 23m

$809

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 12/28

6:35 am-4:10 pm

1 stop14h 35m

Philadelphia

Sun 1/3

9:29 am-7:50 am

2 stops17h 21m

$818

Quickest round-trip

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 11/9

8:20 am-4:10 pm

1 stop12h 50m

Philadelphia

Mon 11/16

5:40 pm-8:30 am

1 stop9h 50m

$819

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 11/3

7:15 am-4:10 pm

1 stop13h 55m

Philadelphia

Sun 11/8

5:40 pm-7:50 am

1 stop9h 10m

$823

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 11/3

7:15 am-4:10 pm

1 stop13h 55m

Philadelphia

Mon 11/9

5:40 pm-2:05 pm

1 stop15h 25m

$825

Cheapest one-way

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sun 12/6

1:35 pm-4:10 pm

2 stops31h 35m

$470

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sat 11/21

1:30 pm-4:10 pm

2 stops31h 40m

$470

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 Monday. Travelers who choose to depart for Philadelphia on a Monday will often find tickets for as low as $831. On the other hand, Sunday 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 $1,029.

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 at noon. momondo users have found flights departing from London Stansted Airport to Philadelphia at noon for as low as $834. 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 $926.

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

Best Price Found	$470
Fastest flight time	12h 15m
Direct flights	None

The best one-way flight to Philadelphia from London Stansted Airport in the past 72 hours is $470. The best round-trip flight deal from London Stansted Airport to Philadelphia found on momondo in the last 72 hours is $797.

The fastest flight from London Stansted Airport to Philadelphia takes 12h 15m

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

Search flight deals

Frequently asked questions about flying from London Stansted Airport to Philadelphia

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 12h 15m.
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

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Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Reading

Essington

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Dewey Beach

New Castle

North Wildwood

Chester

Vineland

Avalon

Lewes

Elkton

Pottstown

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.