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.

$414 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.

6:35 am - 2:05 pmSTN London Stansted-PHL Philadelphia

12h 30m1 stop Dublin

9:15 pm - 2:05 pmPHL Philadelphia-STN London Stansted

11h 50m1 stop Dublin

$789Multiple Airlines

Mon, Dec 7 - Mon, Dec 14

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

$833Multiple Airlines

Wed, Nov 18 - Sun, Nov 22

8:15 am - 4:10 pmSTN London Stansted-PHL Philadelphia

12h 55m1 stop Dublin

5:40 pm - 9:50 amPHL Philadelphia-STN London Stansted

11h 10m1 stop Dublin

$841Multiple Airlines

Sat, Dec 12 - Thu, Dec 17

6:45 am - 4:10 pmSTN London Stansted-PHL Philadelphia

14h 25m1 stop Dublin

5:40 pm - 10:25 amPHL Philadelphia-STN London Stansted

11h 45m1 stop Dublin

$841Multiple Airlines

Fri, Nov 20 - Sun, Nov 29

6:45 am - 4:10 pmSTN London Stansted-PHL Philadelphia

14h 25m1 stop Dublin

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

9h 25m1 stop Dublin

$846Multiple Airlines

Thu, Dec 17 - Thu, Dec 31

8:40 am - 4:10 pmSTN London Stansted-PHL Philadelphia

12h 30m1 stop Dublin

5:40 pm - 8:15 amPHL Philadelphia-STN London Stansted

9h 35m1 stop Dublin

$850Multiple Airlines

Wed, Dec 16 - Wed, Dec 23

8:40 am - 4:10 pmSTN London Stansted-PHL Philadelphia

12h 30m1 stop Dublin

5:40 pm - 8:15 amPHL Philadelphia-STN London Stansted

9h 35m1 stop Dublin

$853Multiple Airlines

Wed, Dec 16 - Wed, Dec 23

6:15 am - 3:30 pmSTN London Stansted-PHL Philadelphia

14h 15m1 stop Madrid Barajas

7:45 pm - 4:00 pmPHL Philadelphia-STN London Stansted

15h 15m1 stop Madrid Barajas

$854Multiple Airlines

Thu, Feb 4 - Mon, Feb 8

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

14h 35m1 stop Dublin

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

9h 25m1 stop Dublin

$856Multiple Airlines

Mon, Dec 21 - Thu, Dec 31

8:15 am - 11:28 pmSTN London Stansted-PHL Philadelphia

20h 13m3 stops Kastrup Copenhagen Reykjavik Keflavik Intl Raleigh-Durham

4:16 pm - 6:00 pmPHL Philadelphia-STN London Stansted

20h 44m3 stops Raleigh-Durham Reykjavik Keflavik Intl Stockholm Arlanda

$860Multiple Airlines

Wed, Dec 2 - Mon, Dec 7

Cheap last minute flights

Enter your travel dates to find the best prices.

6:45 am - 4:10 pmSTN London Stansted-PHL Philadelphia

14h 25m1 stop Dublin

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

15h 25m1 stop Dublin

$821Multiple Airlines

Fri, Nov 6 - Tue, Nov 10

6:45 am - 4:10 pmSTN London Stansted-PHL Philadelphia

14h 25m1 stop Dublin

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

18h 25m1 stop Dublin

$859Multiple Airlines

Fri, Nov 6 - Fri, Nov 13

6:45 am - 4:10 pmSTN London Stansted-PHL Philadelphia

14h 25m1 stop Dublin

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

11h 00m1 stop Dublin

$965Multiple Airlines

Thu, Nov 5 - Sun, Nov 15

6:45 am - 4:10 pmSTN London Stansted-PHL Philadelphia

14h 25m1 stop Dublin

5:40 pm - 2:55 pmPHL Philadelphia-STN London Stansted

16h 15m1 stop Dublin

$985Multiple Airlines

Thu, Nov 5 - Fri, Nov 20

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

14h 35m1 stop Dublin

3:35 pm - 5:05 pmPHL Philadelphia-STN London Stansted

20h 30m2 stops Boston Logan Intl Dublin

$1,028Multiple Airlines

Mon, Nov 9 - Fri, Nov 13

6:45 am - 4:10 pmSTN London Stansted-PHL Philadelphia

14h 25m1 stop Dublin

5:40 pm - 2:55 pmPHL Philadelphia-STN London Stansted

16h 15m1 stop Dublin

$1,029Multiple Airlines

Thu, Nov 5 - Fri, Nov 20

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

14h 35m1 stop Dublin

5:40 pm - 2:55 pmPHL Philadelphia-STN London Stansted

16h 15m1 stop Dublin

$1,041Multiple Airlines

Mon, Nov 9 - Fri, Nov 13

6:45 am - 4:10 pmSTN London Stansted-PHL Philadelphia

14h 25m1 stop Dublin

5:40 pm - 2:55 pmPHL Philadelphia-STN London Stansted

16h 15m1 stop Dublin

$1,065Multiple Airlines

Thu, Nov 5 - Fri, Nov 20

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

14h 35m1 stop Dublin

5:40 pm - 9:35 amPHL Philadelphia-STN London Stansted

10h 55m1 stop Dublin

$1,095Multiple Airlines

Mon, Nov 9 - Sat, Nov 14

7:50 pm - 11:54 pmSTN London Stansted-PHL Philadelphia

33h 04m2 stops Lisbon Humberto Delgado Miami

5:40 pm - 9:35 amPHL Philadelphia-STN London Stansted

10h 55m1 stop Dublin

$1,244Multiple Airlines

Mon, Nov 9 - Sat, Nov 14

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Cheapest round-trip

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 12/7

6:35 am-2:05 pm

1 stop12h 30m

Philadelphia

Mon 12/14

9:15 pm-2:05 pm

1 stop11h 50m

$789

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 11/18

7:15 am-4:10 pm

1 stop13h 55m

Philadelphia

Sun 11/22

5:40 pm-7:50 am

1 stop9h 10m

$833

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sat 12/12

8:15 am-4:10 pm

1 stop12h 55m

Philadelphia

Thu 12/17

5:40 pm-9:50 am

1 stop11h 10m

$841

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Fri 11/20

6:45 am-4:10 pm

1 stop14h 25m

Philadelphia

Sun 11/29

5:40 pm-10:25 am

1 stop11h 45m

$841

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 12/17

6:45 am-4:10 pm

1 stop14h 25m

Philadelphia

Thu 12/31

5:40 pm-8:05 am

1 stop9h 25m

$846

Quickest round-trip

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 12/16

8:40 am-4:10 pm

1 stop12h 30m

Philadelphia

Wed 12/23

5:40 pm-8:15 am

1 stop9h 35m

$850

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 12/16

8:40 am-4:10 pm

1 stop12h 30m

Philadelphia

Wed 12/23

5:40 pm-8:15 am

1 stop9h 35m

$853

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 2/4

6:15 am-3:30 pm

1 stop14h 15m

Philadelphia

Mon 2/8

7:45 pm-4:00 pm

1 stop15h 15m

$854

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 12/21

6:35 am-4:10 pm

1 stop14h 35m

Philadelphia

Thu 12/31

5:40 pm-8:05 am

1 stop9h 25m

$856

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 12/2

8:15 am-11:28 pm

3 stops20h 13m

Philadelphia

Mon 12/7

4:16 pm-6:00 pm

3 stops20h 44m

$860

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 $860. 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 $1,040.

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 $862. 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 $942.

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	$414
Fastest flight time	10h 55m
Direct flights	None

The best one-way flight to Philadelphia from London Stansted Airport in the past 72 hours is $414. The best round-trip flight deal from London Stansted Airport to Philadelphia found on momondo in the last 72 hours is $789.

The fastest flight from London Stansted Airport to Philadelphia takes 10h 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 10h 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

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Essington

Reading

Dover

Dewey Beach

New Castle

North Wildwood

Vineland

Chester

Pottstown

Lewes

Elkton

Avalon

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.