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.

$492 Cheap Flights from London Stansted Airport to Philadelphia in 2025/26

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Find the cheapest flights from London Stansted Airport to Philadelphia

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 am - 4:00 pmSTN-PHL

12h 30m1 stop

10:40 am - 6:20 pmPHL-STN

26h 40m2 stops

$642Multiple Airlines

Find Deal

Mon, Nov 24 - Mon, Dec 1

12:00 pm - 9:48 pmSTN-PHL

14h 48m2 stops

5:30 pm - 2:50 pmPHL-STN

16h 20m1 stop

$703Multiple Airlines

Find Deal

Fri, Dec 5 - Fri, Dec 12

7:40 am - 10:46 pmSTN-PHL

20h 06m3 stops

9:20 am - 12:30 pmPHL-STN

22h 10m3 stops

$715Multiple Airlines

Find Deal

Sat, Nov 22 - Sun, Nov 30

9:00 pm - 2:47 pmSTN-PHL

22h 47m3 stops

3:30 pm - 3:10 pmPHL-STN

18h 40m2 stops

$721Multiple Airlines

Find Deal

Sat, Nov 22 - Sat, Nov 29

9:00 pm - 2:47 pmSTN-PHL

22h 47m3 stops

3:30 pm - 3:10 pmPHL-STN

18h 40m3 stops

$726Multiple Airlines

Find Deal

Sat, Nov 22 - Sat, Nov 29

7:00 pm - 4:35 pmSTN-PHL

26h 35m2 stops

3:30 pm - 5:35 pmPHL-STN

21h 05m3 stops

$731Multiple Airlines

Find Deal

Fri, Nov 14 - Sun, Nov 23

1:05 pm - 2:47 pmSTN-PHL

30h 42m3 stops

6:10 pm - 11:10 pmPHL-STN

24h 00m2 stops

$734Multiple Airlines

Find Deal

Sat, Nov 15 - Sat, Nov 22

7:40 am - 10:46 pmSTN-PHL

20h 06m3 stops

3:30 pm - 2:35 pmPHL-STN

18h 05m2 stops

$736Multiple Airlines

Find Deal

Thu, Dec 4 - Thu, Dec 11

6:15 pm - 10:46 pmSTN-PHL

33h 31m3 stops

3:30 pm - 8:05 pmPHL-STN

23h 35m3 stops

$751Multiple Airlines

Find Deal

Thu, Nov 6 - Sun, Nov 9

8:30 am - 4:00 pmSTN-PHL

12h 30m1 stop

7:15 am - 7:50 amPHL-STN

19h 35m2 stops

$786Multiple Airlines

Find Deal

Wed, Nov 5 - Sun, Nov 16

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

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 11/24

8:30 am-4:00 pm

1 stop12h 30m

Philadelphia

Mon 12/1

10:40 am-6:20 pm

2 stops26h 40m

$642

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Fri 12/5

12:00 pm-9:48 pm

2 stops14h 48m

Philadelphia

Fri 12/12

5:30 pm-2:50 pm

1 stop16h 20m

$703

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Sat 11/22

7:40 am-10:46 pm

3 stops20h 06m

Philadelphia

Sun 11/30

9:20 am-12:30 pm

3 stops22h 10m

$715

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Sat 11/22

9:00 pm-2:47 pm

3 stops22h 47m

Philadelphia

Sat 11/29

3:30 pm-3:10 pm

2 stops18h 40m

$721

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Sat 11/22

9:00 pm-2:47 pm

3 stops22h 47m

Philadelphia

Sat 11/29

3:30 pm-3:10 pm

3 stops18h 40m

$726

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Fri 11/14

7:00 pm-4:35 pm

2 stops26h 35m

Philadelphia

Sun 11/23

3:30 pm-5:35 pm

3 stops21h 05m

$731

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Sat 11/15

1:05 pm-2:47 pm

3 stops30h 42m

Philadelphia

Sat 11/22

6:10 pm-11:10 pm

2 stops24h 00m

$734

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 12/4

7:40 am-10:46 pm

3 stops20h 06m

Philadelphia

Thu 12/11

3:30 pm-2:35 pm

2 stops18h 05m

$736

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 11/6

6:15 pm-10:46 pm

3 stops33h 31m

Philadelphia

Sun 11/9

3:30 pm-8:05 pm

3 stops23h 35m

$751

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 11/5

8:30 am-4:00 pm

1 stop12h 30m

Philadelphia

Sun 11/16

7:15 am-7:50 am

2 stops19h 35m

$786

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 Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $768. On the other hand, Saturday 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 $894.

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 in the evening. momondo users have found flights departing from London Stansted Airport to Philadelphia in the evening for as low as $704. 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 $827.

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

Direct flights	None

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

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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

Cape May

Rehoboth Beach

Ocean City

Wildwood Crest

King of Prussia

Dewey Beach

Cherry Hill

Reading

Newark

North Wildwood

Dover

Avalon

Lewes

Stone Harbor

Vineland

Essington

Pottstown

New Castle

Somers Point

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.