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.

$489 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

Round-trip

One-way

Last minute

Cheap round-trip flights

2:05 pm - 4:05 pmSTN-PHL

31h 00m3 stops

3:30 pm - 10:05 pmPHL-STN

25h 35m3 stops

$668Multiple Airlines

Find Deal

Mon, Nov 3 - Mon, Nov 10

12:10 pm - 4:00 pmSTN-PHL

32h 50m2 stops

5:35 pm - 5:35 pmPHL-STN

19h 00m2 stops

$686Multiple Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

7:25 pm - 2:47 pmSTN-PHL

24h 22m3 stops

9:20 am - 11:10 pmPHL-STN

32h 50m3 stops

$693Multiple Airlines

Find Deal

Fri, Nov 21 - Sat, Nov 29

8:40 am - 2:47 pmSTN-PHL

35h 07m2 stops

3:30 pm - 8:55 pmPHL-STN

24h 25m2 stops

$750Multiple Airlines

Find Deal

Mon, Nov 3 - Mon, Nov 10

6:30 am - 10:56 pmSTN-PHL

21h 26m3 stops

6:10 pm - 4:35 pmPHL-STN

17h 25m2 stops

$757Multiple Airlines

Find Deal

Mon, Nov 24 - Sat, Dec 6

7:30 am - 8:52 amSTN-PHL

30h 22m3 stops

5:33 am - 5:55 pmPHL-STN

31h 22m3 stops

$770Multiple Airlines

Find Deal

Wed, Oct 8 - Tue, Oct 14

7:40 am - 8:52 amSTN-PHL

29h 12m3 stops

5:15 am - 10:40 pmPHL-STN

36h 25m3 stops

$778Multiple Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

7:40 am - 8:52 amSTN-PHL

29h 12m3 stops

5:15 am - 10:40 pmPHL-STN

36h 25m3 stops

$781Multiple Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

7:40 am - 8:52 amSTN-PHL

29h 12m3 stops

5:15 am - 10:40 pmPHL-STN

36h 25m3 stops

$783Multiple Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

1:55 pm - 5:35 pmSTN-PHL

31h 40m3 stops

3:30 pm - 7:45 pmPHL-STN

23h 15m2 stops

$813Multiple Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

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 11/3

2:05 pm-4:05 pm

3 stops31h 00m

Philadelphia

Mon 11/10

3:30 pm-10:05 pm

3 stops25h 35m

$668

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 10/14

12:10 pm-4:00 pm

2 stops32h 50m

Philadelphia

Tue 10/21

5:35 pm-5:35 pm

2 stops19h 00m

$686

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Fri 11/21

7:25 pm-2:47 pm

3 stops24h 22m

Philadelphia

Sat 11/29

9:20 am-11:10 pm

3 stops32h 50m

$693

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 11/3

8:40 am-2:47 pm

2 stops35h 07m

Philadelphia

Mon 11/10

3:30 pm-8:55 pm

2 stops24h 25m

$750

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 11/24

6:30 am-10:56 pm

3 stops21h 26m

Philadelphia

Sat 12/6

6:10 pm-4:35 pm

2 stops17h 25m

$757

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 10/8

7:30 am-8:52 am

3 stops30h 22m

Philadelphia

Tue 10/14

5:33 am-5:55 pm

3 stops31h 22m

$770

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 10/29

7:40 am-8:52 am

3 stops29h 12m

Philadelphia

Wed 11/5

5:15 am-10:40 pm

3 stops36h 25m

$778

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 10/29

7:40 am-8:52 am

3 stops29h 12m

Philadelphia

Wed 11/5

5:15 am-10:40 pm

3 stops36h 25m

$781

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 10/29

7:40 am-8:52 am

3 stops29h 12m

Philadelphia

Wed 11/5

5:15 am-10:40 pm

3 stops36h 25m

$783

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Fri 10/31

1:55 pm-5:35 pm

3 stops31h 40m

Philadelphia

Fri 11/7

3:30 pm-7:45 pm

2 stops23h 15m

$813

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 $748. On the other hand, Friday 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 $891.

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 $825.

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

Reading

Newark

Cherry Hill

North Wildwood

Dover

Avalon

Lewes

Stone Harbor

Vineland

Essington

Pottstown

New Castle

West Chester

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.