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.

$475 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.

9:00 pm - 4:05 pmSTN London Stansted-PHL Philadelphia

24h 05m3 stops Stockholm Arlanda Zurich Frankfurt am Main

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

18h 35m2 stops Frankfurt am Main Stockholm Arlanda

$798Multiple Airlines

Wed, Sep 23 - Sun, Sep 27

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

17h 25m1 stop Dublin

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

9h 50m1 stop Dublin

$804Multiple Airlines

Mon, Oct 19 - Mon, Nov 2

6:35 am - 6:55 pmSTN London Stansted-PHL Philadelphia

17h 20m1 stop Dublin

6:40 pm - 9:35 amPHL Philadelphia-STN London Stansted

10h 55m1 stop Dublin

$806Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

6:35 am - 6:55 pmSTN London Stansted-PHL Philadelphia

17h 20m1 stop Dublin

6:40 pm - 9:35 amPHL Philadelphia-STN London Stansted

10h 55m1 stop Dublin

$807Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

5:40 pm - 4:10 pmSTN London Stansted-PHL Philadelphia

27h 30m2 stops Berlin Brandenburg Dublin

5:40 pm - 8:05 amPHL Philadelphia-STN London Stansted

9h 25m1 stop Dublin

$813Multiple Airlines

Mon, Nov 30 - Thu, Dec 10

6:35 am - 6:55 pmSTN London Stansted-PHL Philadelphia

17h 20m1 stop Dublin

6:40 pm - 9:35 amPHL Philadelphia-STN London Stansted

10h 55m1 stop Dublin

$818Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

3:00 pm - 2:47 pmSTN London Stansted-PHL Philadelphia

28h 47m3 stops Kastrup Copenhagen Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

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

21h 30m2 stops Toronto Pearson Intl Kastrup Copenhagen

$820Multiple Airlines

Wed, Oct 7 - Mon, Oct 12

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

$822Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

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

30h 05m3 stops Kastrup Copenhagen Brussels Bruxelles-National Frankfurt am Main

3:25 pm - 6:50 pmPHL Philadelphia-STN London Stansted

22h 25m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Kastrup Copenhagen

$826Multiple Airlines

Wed, Oct 7 - Mon, Oct 12

6:45 am - 10:56 pmSTN London Stansted-PHL Philadelphia

21h 11m3 stops Kastrup Copenhagen Frankfurt am Main Toronto Pearson Intl

5:05 pm - 3:30 pmPHL Philadelphia-STN London Stansted

17h 25m2 stops Toronto Pearson Intl Kastrup Copenhagen

$828Multiple Airlines

Mon, Nov 9 - Sat, Nov 14

Cheap last minute flights

Enter your travel dates to find the best prices.

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

15h 25m1 stop Dublin

8:25 pm - 5:05 pmPHL Philadelphia-STN London Stansted

15h 40m1 stop Dublin

$862Multiple Airlines

Wed, Sep 16 - Mon, Sep 21

8:00 pm - 2:47 pmSTN London Stansted-PHL Philadelphia

23h 47m3 stops Kastrup Copenhagen Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

5:40 pm - 4:50 pmPHL Philadelphia-STN London Stansted

18h 10m2 stops Frankfurt am Main Kastrup Copenhagen

$877Multiple Airlines

Wed, Sep 16 - Mon, Sep 21

8:30 am - 10:03 pmSTN London Stansted-PHL Philadelphia

18h 33m2 stops Dublin Boston Logan Intl

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

11h 25m1 stop Dublin

$885Multiple Airlines

Wed, Sep 16 - Mon, Sep 21

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

15h 25m1 stop Dublin

8:25 pm - 5:05 pmPHL Philadelphia-STN London Stansted

15h 40m1 stop Dublin

$923Multiple Airlines

Wed, Sep 16 - Mon, Sep 21

9:20 am - 10:46 pmSTN London Stansted-PHL Philadelphia

18h 26m3 stops Gothenburg Landvetter Frankfurt am Main Toronto Pearson Intl

4:20 pm - 11:20 pmPHL Philadelphia-STN London Stansted

26h 00m3 stops Toronto Pearson Intl Zurich Gothenburg Landvetter

$937Multiple Airlines

Thu, Sep 17 - Tue, Sep 22

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

15h 25m1 stop Dublin

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

11h 25m1 stop Dublin

$1,028Multiple Airlines

Mon, Sep 14 - Mon, Sep 21

8:50 pm - 2:47 pmSTN London Stansted-PHL Philadelphia

22h 57m3 stops Barcelona-El Prat Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

3:25 pm - 2:45 pmPHL Philadelphia-STN London Stansted

18h 20m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

$1,029Multiple Airlines

Mon, Sep 14 - Mon, Sep 21

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

17h 25m1 stop Dublin

8:25 pm - 5:35 pmPHL Philadelphia-STN London Stansted

16h 10m1 stop Dublin

$1,075Multiple Airlines

Tue, Sep 15 - Fri, Sep 25

7:55 am - 9:32 pmSTN London Stansted-PHL Philadelphia

18h 37m3 stops Barcelona-El Prat Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

3:25 pm - 11:55 amPHL Philadelphia-STN London Stansted

15h 30m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

$1,081Multiple Airlines

Tue, Sep 15 - Sun, Sep 20

9:20 pm - 4:05 pmSTN London Stansted-PHL Philadelphia

23h 45m2 stops Milan Malpensa Frankfurt am Main

5:40 pm - 4:55 pmPHL Philadelphia-STN London Stansted

18h 15m2 stops Frankfurt am Main Milan Malpensa

$1,097Multiple Airlines

Wed, Sep 16 - Mon, Sep 21

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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

Wed 9/23

9:00 pm-4:05 pm

3 stops24h 05m

Philadelphia

Sun 9/27

5:40 pm-5:15 pm

2 stops18h 35m

$798

Quickest round-trip

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 10/19

6:30 am-6:55 pm

1 stop17h 25m

Philadelphia

Mon 11/2

5:40 pm-8:30 am

1 stop9h 50m

$804

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sat 10/24

6:35 am-6:55 pm

1 stop17h 20m

Philadelphia

Sat 10/31

6:40 pm-9:35 am

1 stop10h 55m

$806

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sat 10/24

6:35 am-6:55 pm

1 stop17h 20m

Philadelphia

Sat 10/31

6:40 pm-9:35 am

1 stop10h 55m

$807

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 11/30

5:40 pm-4:10 pm

2 stops27h 30m

Philadelphia

Thu 12/10

5:40 pm-8:05 am

1 stop9h 25m

$813

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sat 10/24

6:35 am-6:55 pm

1 stop17h 20m

Philadelphia

Sat 10/31

6:40 pm-9:35 am

1 stop10h 55m

$818

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 10/7

3:00 pm-2:47 pm

3 stops28h 47m

Philadelphia

Mon 10/12

4:20 pm-6:50 pm

2 stops21h 30m

$820

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 10/1

6:30 am-6:55 pm

1 stop17h 25m

Philadelphia

Mon 10/5

8:25 pm-12:50 pm

1 stop11h 25m

$822

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 10/7

3:00 pm-4:05 pm

3 stops30h 05m

Philadelphia

Mon 10/12

3:25 pm-6:50 pm

3 stops22h 25m

$826

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 11/9

6:45 am-10:56 pm

3 stops21h 11m

Philadelphia

Sat 11/14

5:05 pm-3:30 pm

2 stops17h 25m

$828

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 $818. 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 $980.

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 $818. 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 $921.

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	$475
Fastest flight time	12h 30m
Direct flights	None

The best one-way flight to Philadelphia from London Stansted Airport in the past 72 hours is $475. The best round-trip flight deal from London Stansted Airport to Philadelphia found on momondo in the last 72 hours is $798.

The fastest flight from London Stansted Airport to Philadelphia takes 12h 30m

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 30m.
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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Cape May

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

Norristown

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.