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.

$471 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.

6:55 am - 9:32 pmSTN London Stansted-PHL Philadelphia

19h 37m3 stops Barcelona-El Prat Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

3:25 pm - 9:00 pmPHL Philadelphia-STN London Stansted

24h 35m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

$792Multiple Airlines

Thu, Oct 8 - Thu, Oct 15

7:10 am - 9:32 pmSTN London Stansted-PHL Philadelphia

19h 22m3 stops Kastrup Copenhagen Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

5:40 pm - 12:10 amPHL Philadelphia-STN London Stansted

25h 30m2 stops Frankfurt am Main Kastrup Copenhagen

$794Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

8:15 am - 2:47 pmSTN London Stansted-PHL Philadelphia

35h 32m3 stops Kastrup Copenhagen Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

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

19h 30m2 stops Toronto Pearson Intl Kastrup Copenhagen

$795Multiple Airlines

Mon, Sep 21 - Mon, Sep 28

8:15 am - 2:47 pmSTN London Stansted-PHL Philadelphia

35h 32m3 stops Kastrup Copenhagen Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

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

19h 30m2 stops Toronto Pearson Intl Kastrup Copenhagen

$797Multiple Airlines

Mon, Sep 21 - Mon, Sep 28

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

21h 36m3 stops Stockholm Arlanda Frankfurt am Main Toronto Pearson Intl

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

21h 50m2 stops Frankfurt am Main Stockholm Arlanda

$797Multiple Airlines

Fri, Oct 9 - Fri, Oct 16

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

21h 36m3 stops Stockholm Arlanda Frankfurt am Main Toronto Pearson Intl

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

21h 50m2 stops Frankfurt am Main Stockholm Arlanda

$800Multiple Airlines

Fri, Oct 9 - Fri, Oct 16

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

15h 25m1 stop Dublin

10:45 am - 7:50 amPHL Philadelphia-STN London Stansted

16h 05m2 stops Boston Logan Intl Dublin

$802Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

3:10 pm - 2:47 pmSTN London Stansted-PHL Philadelphia

28h 37m3 stops Kastrup Copenhagen Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

10:05 am - 12:40 pmPHL Philadelphia-STN London Stansted

21h 35m3 stops Montreal Pierre Elliott Trudeau Intl Zurich Kastrup Copenhagen

$802Multiple Airlines

Fri, Oct 9 - Fri, Oct 16

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

15h 25m1 stop Dublin

10:45 am - 7:50 amPHL Philadelphia-STN London Stansted

16h 05m2 stops Boston Logan Intl Dublin

$803Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

Cheap last minute flights

Enter your travel dates to find the best prices.

5:20 pm - 2:49 pmSTN London Stansted-PHL Philadelphia

26h 29m3 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

$964Multiple Airlines

Mon, Aug 31 - Mon, Sep 7

6:05 am - 10:09 amSTN London Stansted-PHL Philadelphia

33h 04m2 stops Budapest Ferenc Liszt Intl Toronto Pearson Intl

10:05 am - 11:30 pmPHL Philadelphia-STN London Stansted

32h 25m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Budapest Ferenc Liszt Intl

$1,054Multiple Airlines

Sun, Aug 30 - Sun, Sep 6

10:05 pm - 9:34 pmSTN London Stansted-PHL Philadelphia

28h 29m3 stops Barcelona-El Prat Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

3:25 pm - 6:15 pmPHL Philadelphia-STN London Stansted

21h 50m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

$1,058Multiple Airlines

Sun, Aug 30 - Mon, Sep 7

10:05 pm - 11:55 pmSTN London Stansted-PHL Philadelphia

54h 50m2 stops Barcelona-El Prat Miami

8:25 pm - 11:25 pmPHL Philadelphia-STN London Stansted

22h 00m1 stop Dublin

$1,094Multiple Airlines

Sun, Aug 30 - Sun, Sep 6

10:05 pm - 11:55 pmSTN London Stansted-PHL Philadelphia

54h 50m2 stops Barcelona-El Prat Miami

8:25 pm - 2:40 pmPHL Philadelphia-STN London Stansted

13h 15m1 stop Dublin

$1,101Multiple Airlines

Sun, Aug 30 - Mon, Sep 14

2:40 pm - 4:05 pmSTN London Stansted-PHL Philadelphia

30h 25m2 stops Naples Frankfurt am Main

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

24h 00m2 stops Frankfurt am Main Naples

$1,110Multiple Airlines

Sun, Aug 30 - Mon, Sep 7

10:05 pm - 11:55 pmSTN London Stansted-PHL Philadelphia

54h 50m2 stops Barcelona-El Prat Miami

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

10h 10m1 stop Dublin

$1,214Multiple Airlines

Sun, Aug 30 - Wed, Sep 2

7:05 pm - 11:55 pmSTN London Stansted-PHL Philadelphia

57h 50m2 stops Barcelona-El Prat Miami

8:25 pm - 12:55 pmPHL Philadelphia-STN London Stansted

11h 30m1 stop Dublin

$1,241Multiple Airlines

Sat, Aug 29 - Sun, Sep 6

11:10 am - 6:55 pmSTN London Stansted-PHL Philadelphia

12h 45m1 stop Dublin

8:55 pm - 7:50 amPHL Philadelphia-STN London Stansted

29h 55m2 stops Boston Logan Intl Dublin

$1,244Multiple Airlines

Sat, Aug 29 - Sat, Sep 5

7:20 am - 10:46 pmSTN London Stansted-PHL Philadelphia

20h 26m2 stops Kastrup Copenhagen Toronto Pearson Intl

4:20 pm - 7:15 pmPHL Philadelphia-STN London Stansted

21h 55m2 stops Toronto Pearson Intl Kastrup Copenhagen

$1,287Multiple Airlines

Thu, Aug 27 - Thu, Sep 3

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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

Thu 10/8

6:55 am-9:32 pm

3 stops19h 37m

Philadelphia

Thu 10/15

3:25 pm-9:00 pm

2 stops24h 35m

$792

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 10/6

7:10 am-9:32 pm

3 stops19h 22m

Philadelphia

Tue 10/13

5:40 pm-12:10 am

2 stops25h 30m

$794

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 9/21

8:15 am-2:47 pm

3 stops35h 32m

Philadelphia

Mon 9/28

4:20 pm-4:50 pm

2 stops19h 30m

$795

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 9/21

8:15 am-2:47 pm

3 stops35h 32m

Philadelphia

Mon 9/28

4:20 pm-4:50 pm

2 stops19h 30m

$797

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Fri 10/9

6:10 am-10:46 pm

3 stops21h 36m

Philadelphia

Fri 10/16

5:40 pm-8:30 pm

2 stops21h 50m

$797

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Fri 10/9

6:10 am-10:46 pm

3 stops21h 36m

Philadelphia

Fri 10/16

5:40 pm-8:30 pm

2 stops21h 50m

$800

Quickest round-trip

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 10/6

8:30 am-6:55 pm

1 stop15h 25m

Philadelphia

Tue 10/13

10:45 am-7:50 am

2 stops16h 05m

$802

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Fri 10/9

3:10 pm-2:47 pm

3 stops28h 37m

Philadelphia

Fri 10/16

10:05 am-12:40 pm

3 stops21h 35m

$802

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 10/6

8:30 am-6:55 pm

1 stop15h 25m

Philadelphia

Tue 10/13

10:45 am-7:50 am

2 stops16h 05m

$803

Cheapest one-way

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 9/7

8:45 pm-10:46 pm

3 stops31h 01m

$471

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 $815. 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 $909.

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	$471
Fastest flight time	12h 45m
Direct flights	None

The best one-way flight to Philadelphia from London Stansted Airport in the past 72 hours is $471. The best round-trip flight deal from London Stansted Airport to Philadelphia found on momondo in the last 72 hours is $792.

The fastest flight from London Stansted Airport to Philadelphia takes 12h 45m

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 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

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Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Reading

Essington

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Dewey Beach

North Wildwood

New Castle

Chester

Vineland

Avalon

Lewes

Pottstown

Stone Harbor

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.