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.

$478 Cheap Flights from London Stansted Airport to Philadelphia in 2026

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.

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

17h 25m2 stops Hamburg Dublin

6:30 pm - 9:40 amPHL Philadelphia-STN London Stansted

11h 10m1 stop Dublin

$808Multiple Airlines

Tue, Oct 20 - Sun, Oct 25

1:45 pm - 4:05 pmSTN London Stansted-PHL Philadelphia

31h 20m3 stops Barcelona-El Prat Zurich Frankfurt am Main

4:20 pm - 7:20 pmPHL Philadelphia-STN London Stansted

22h 00m2 stops Toronto Pearson Intl Barcelona-El Prat

$819Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

6:25 am - 5:40 pmSTN London Stansted-PHL Philadelphia

16h 15m1 stop Milan Malpensa

5:30 pm - 7:50 amPHL Philadelphia-STN London Stansted

9h 20m1 stop Dublin

$829Multiple Airlines

Thu, Nov 12 - Wed, Nov 18

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

20h 46m3 stops Kastrup Copenhagen Frankfurt am Main Toronto Pearson Intl

4:20 pm - 6:50 pmPHL Philadelphia-STN London Stansted

21h 30m2 stops Toronto Pearson Intl Kastrup Copenhagen

$835Multiple Airlines

Wed, Sep 30 - Mon, Oct 5

8:15 pm - 6:55 pmSTN London Stansted-PHL Philadelphia

27h 40m2 stops Berlin Brandenburg Dublin

6:30 pm - 10:50 amPHL Philadelphia-STN London Stansted

12h 20m1 stop Dublin

$844Multiple Airlines

Wed, Oct 21 - Thu, Oct 29

6:00 am - 10:46 pmSTN London Stansted-PHL Philadelphia

21h 46m3 stops Madrid Barajas Frankfurt am Main Toronto Pearson Intl

10:50 am - 8:20 pmPHL Philadelphia-STN London Stansted

28h 30m2 stops Toronto Pearson Intl Madrid Barajas

$852Multiple Airlines

Thu, Sep 17 - Sun, Sep 20

11:20 am - 5:05 pmSTN London Stansted-PHL Philadelphia

34h 45m3 stops Kastrup Copenhagen Vienna Intl Frankfurt am Main

5:05 pm - 4:40 pmPHL Philadelphia-STN London Stansted

19h 35m2 stops Toronto Pearson Intl Kastrup Copenhagen

$854Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

9:40 am - 5:40 pmSTN London Stansted-PHL Philadelphia

13h 00m1 stop Milan Malpensa

5:30 pm - 7:50 amPHL Philadelphia-STN London Stansted

9h 20m1 stop Dublin

$857Multiple Airlines

Fri, Nov 13 - Sun, Nov 15

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

17h 25m2 stops Hamburg Dublin

3:25 pm - 11:40 amPHL Philadelphia-STN London Stansted

15h 15m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

$859Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

7:05 am - 6:55 pmSTN London Stansted-PHL Philadelphia

16h 50m2 stops Hamburg Dublin

10:05 am - 4:00 pmPHL Philadelphia-STN London Stansted

24h 55m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

$863Multiple Airlines

Mon, Sep 28 - Tue, Oct 6

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 - 12:50 pmPHL Philadelphia-STN London Stansted

11h 25m1 stop Dublin

$1,235Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

7:20 am - 9:34 pmSTN London Stansted-PHL Philadelphia

19h 14m3 stops Kastrup Copenhagen Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

3:25 pm - 7:15 pmPHL Philadelphia-STN London Stansted

22h 50m2 stops Montreal Pierre Elliott Trudeau Intl Kastrup Copenhagen

$1,325Multiple Airlines

Thu, Aug 13 - Thu, Aug 20

6:30 am - 10:09 amSTN London Stansted-PHL Philadelphia

32h 39m3 stops Dublin Halifax Intl Toronto Pearson Intl

4:20 pm - 12:45 pmPHL Philadelphia-STN London Stansted

15h 25m2 stops Toronto Pearson Intl Edinburgh Turnhouse

$1,372Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

8:00 am - 9:34 pmSTN London Stansted-PHL Philadelphia

18h 34m3 stops Edinburgh Turnhouse Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

5:40 pm - 9:15 pmPHL Philadelphia-STN London Stansted

22h 35m3 stops Frankfurt am Main Zurich Thessaloniki Makedonia

$1,504Multiple Airlines

Tue, Aug 11 - Wed, Aug 12

5:30 pm - 9:34 pmSTN London Stansted-PHL Philadelphia

33h 04m3 stops Budapest Ferenc Liszt Intl Vienna Intl Montreal Pierre Elliott Trudeau Intl

8:25 pm - 12:50 pmPHL Philadelphia-STN London Stansted

11h 25m1 stop Dublin

$1,515Multiple Airlines

Sat, Aug 15 - Mon, Aug 24

8:00 am - 10:46 pmSTN London Stansted-PHL Philadelphia

19h 46m2 stops Edinburgh Turnhouse Toronto Pearson Intl

4:20 pm - 1:10 pmPHL Philadelphia-STN London Stansted

15h 50m2 stops Toronto Pearson Intl Edinburgh Turnhouse

$1,522Multiple Airlines

Tue, Aug 11 - Wed, Aug 12

8:15 am - 9:34 pmSTN London Stansted-PHL Philadelphia

18h 19m3 stops Edinburgh Turnhouse Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

8:25 pm - 10:55 pmPHL Philadelphia-STN London Stansted

21h 30m2 stops Dublin Glasgow Intl

$1,546Multiple Airlines

Fri, Aug 14 - Fri, Aug 21

8:30 am - 6:55 pmSTN London Stansted-PHL Philadelphia

15h 25m1 stop Dublin

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

10h 10m1 stop Dublin

$1,558Multiple Airlines

Tue, Aug 11 - Wed, Aug 12

6:55 am - 9:34 pmSTN London Stansted-PHL Philadelphia

19h 39m3 stops Barcelona-El Prat Halifax Intl Montreal Pierre Elliott Trudeau Intl

5:40 pm - 10:35 pmPHL Philadelphia-STN London Stansted

23h 55m3 stops Frankfurt am Main Zurich Glasgow Intl

$1,590Multiple Airlines

Thu, Aug 13 - Thu, Aug 20

8:30 am - 10:46 pmSTN London Stansted-PHL Philadelphia

19h 16m3 stops Faro Ponta Delgada Nordela Toronto Pearson Intl

7:00 am - 5:10 pmPHL Philadelphia-STN London Stansted

29h 10m2 stops Toronto Pearson Intl Kastrup Copenhagen

$1,609Multiple Airlines

Tue, Aug 11 - Wed, Aug 12

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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

Tue 10/20

6:30 am-6:55 pm

2 stops17h 25m

Philadelphia

Sun 10/25

6:30 pm-9:40 am

1 stop11h 10m

$808

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 9/16

1:45 pm-4:05 pm

3 stops31h 20m

Philadelphia

Wed 9/23

4:20 pm-7:20 pm

2 stops22h 00m

$819

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 11/12

6:25 am-5:40 pm

1 stop16h 15m

Philadelphia

Wed 11/18

5:30 pm-7:50 am

1 stop9h 20m

$829

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 9/30

7:00 am-10:46 pm

3 stops20h 46m

Philadelphia

Mon 10/5

4:20 pm-6:50 pm

2 stops21h 30m

$835

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 10/21

8:15 pm-6:55 pm

2 stops27h 40m

Philadelphia

Thu 10/29

6:30 pm-10:50 am

1 stop12h 20m

$844

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 9/17

6:00 am-10:46 pm

3 stops21h 46m

Philadelphia

Sun 9/20

10:50 am-8:20 pm

2 stops28h 30m

$852

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sat 10/24

11:20 am-5:05 pm

3 stops34h 45m

Philadelphia

Sat 10/31

5:05 pm-4:40 pm

2 stops19h 35m

$854

Quickest round-trip

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Fri 11/13

9:40 am-5:40 pm

1 stop13h 00m

Philadelphia

Sun 11/15

5:30 pm-7:50 am

1 stop9h 20m

$857

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 10/7

6:30 am-6:55 pm

2 stops17h 25m

Philadelphia

Tue 10/13

3:25 pm-11:40 am

2 stops15h 15m

$859

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 9/28

7:05 am-6:55 pm

2 stops16h 50m

Philadelphia

Tue 10/6

10:05 am-4:00 pm

2 stops24h 55m

$863

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 Monday. Travelers who choose to depart for Philadelphia on a Monday will often find tickets for as low as $814. 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 $979.

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 $814. 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 $905.

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

Fastest flight time	11h 55m
Direct flights	None

The fastest flight from London Stansted Airport to Philadelphia takes 11h 55m

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 11h 55m.
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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Cherry Hill

King of Prussia

Newark

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North Wildwood

New Castle

Chester

Avalon

Vineland

Lewes

Stone Harbor

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.