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.

$378 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

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6:30 am - 4:00 pmSTN-PHL

14h 30m1 stop

10:24 am - 7:50 amPHL-STN

16h 26m2 stops

$688Multiple Airlines

Find Deal

Fri, Dec 5 - Wed, Dec 10

6:30 am - 10:46 pmSTN-PHL

21h 16m3 stops

3:30 pm - 9:20 pmPHL-STN

24h 50m3 stops

$727Multiple Airlines

Find Deal

Thu, Nov 27 - Mon, Dec 1

8:30 am - 2:47 pmSTN-PHL

35h 17m2 stops

3:30 pm - 4:55 pmPHL-STN

20h 25m2 stops

$748Multiple Airlines

Find Deal

Thu, Nov 27 - Mon, Dec 1

7:40 am - 10:46 pmSTN-PHL

20h 06m3 stops

3:30 pm - 1:30 pmPHL-STN

17h 00m2 stops

$752Multiple Airlines

Find Deal

Thu, Dec 4 - Thu, Dec 11

5:55 am - 4:05 pmSTN-PHL

15h 10m2 stops

5:40 pm - 10:25 pmPHL-STN

23h 45m2 stops

$755Multiple Airlines

Find Deal

Tue, Nov 25 - Tue, Dec 2

2:35 pm - 2:50 pmSTN-PHL

29h 15m3 stops

7:50 am - 1:30 pmPHL-STN

24h 40m3 stops

$766Multiple Airlines

Find Deal

Thu, Dec 4 - Thu, Dec 11

5:55 am - 4:05 pmSTN-PHL

15h 10m2 stops

3:30 pm - 10:05 pmPHL-STN

25h 35m3 stops

$773Multiple Airlines

Find Deal

Tue, Dec 2 - Mon, Dec 8

9:20 pm - 2:47 pmSTN-PHL

22h 27m3 stops

3:30 pm - 4:55 pmPHL-STN

20h 25m2 stops

$790Multiple Airlines

Find Deal

Thu, Nov 27 - Mon, Dec 1

5:55 am - 10:46 pmSTN-PHL

21h 51m3 stops

4:35 pm - 10:05 pmPHL-STN

24h 30m3 stops

$833Multiple Airlines

Find Deal

Tue, Dec 2 - Mon, Dec 8

6:35 pm - 11:42 pmSTN-PHL

34h 07m2 stops

6:30 pm - 11:05 amPHL-STN

12h 35m1 stop

$840Multiple Airlines

Find Deal

Sat, Mar 7 - Sun, Mar 15

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

Fri 12/5

6:30 am-4:00 pm

1 stop14h 30m

Philadelphia

Wed 12/10

10:24 am-7:50 am

2 stops16h 26m

$688

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 11/27

6:30 am-10:46 pm

3 stops21h 16m

Philadelphia

Mon 12/1

3:30 pm-9:20 pm

3 stops24h 50m

$727

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 11/27

8:30 am-2:47 pm

2 stops35h 17m

Philadelphia

Mon 12/1

3:30 pm-4:55 pm

2 stops20h 25m

$748

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-1:30 pm

2 stops17h 00m

$752

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 11/25

5:55 am-4:05 pm

2 stops15h 10m

Philadelphia

Tue 12/2

5:40 pm-10:25 pm

2 stops23h 45m

$755

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 12/4

2:35 pm-2:50 pm

3 stops29h 15m

Philadelphia

Thu 12/11

7:50 am-1:30 pm

3 stops24h 40m

$766

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 12/2

5:55 am-4:05 pm

2 stops15h 10m

Philadelphia

Mon 12/8

3:30 pm-10:05 pm

3 stops25h 35m

$773

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 11/27

9:20 pm-2:47 pm

3 stops22h 27m

Philadelphia

Mon 12/1

3:30 pm-4:55 pm

2 stops20h 25m

$790

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 12/2

5:55 am-10:46 pm

3 stops21h 51m

Philadelphia

Mon 12/8

4:35 pm-10:05 pm

3 stops24h 30m

$833

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Sat 3/7

6:35 pm-11:42 pm

2 stops34h 07m

Philadelphia

Sun 3/15

6:30 pm-11:05 am

1 stop12h 35m

$840

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 Tuesday. Travelers who choose to depart for Philadelphia on a Tuesday will often find tickets for as low as $766. On the other hand, Monday 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 $890.

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 $820.

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

Cherry Hill

Dewey Beach

Newark

Reading

North Wildwood

Dover

Avalon

Lewes

Stone Harbor

Essington

Vineland

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.