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$496+ Cheap flights from Stansted (STN) to Philadelphia (PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
STN — PHL
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap flight deals from Stansted to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Stansted (STN) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$782
(Kiwi.com)

One-way from

$496
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$717
Provider with most accurate pricing for London Stansted-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for London Stansted-Philadelphia flights.
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From London Stansted to Philadelphia
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One-way flight from London Stansted to Philadelphia
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Highest demand for flights based on searches. 4% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Stansted to Philadelphia

Cheapest flights from Stansted to Philadelphia
Explore the most affordable flight options available from Stansted to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:30 amSTN - PHL
1 stop14h 30mMultiple Airlines
Mon 12/810:24 amPHL - STN
2 stops16h 26mMultiple Airlines
Deal found 11/20$782
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:30 pmSTN - PHL
3 stops30h 16mMultiple Airlines
Thu 12/117:50 amPHL - STN
2 stops24h 30mMultiple Airlines
Deal found 11/20$800
This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:30 amSTN - PHL
1 stop14h 30mMultiple Airlines
Wed 12/1010:24 amPHL - STN
2 stops16h 26mMultiple Airlines
Deal found 11/18$812
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:05 pmSTN - PHL
3 stops31h 30mMultiple Airlines
Sun 12/143:30 pmPHL - STN
3 stops19h 40mMultiple Airlines
Deal found 11/19$813
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:30 amSTN - PHL
1 stop14h 30mMultiple Airlines
Fri 12/55:30 pmPHL - STN
1 stop16h 20mMultiple Airlines
Deal found 11/20$820
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:30 amSTN - PHL
1 stop12h 30mMultiple Airlines
Fri 12/125:30 pmPHL - STN
1 stop14h 50mMultiple Airlines
Deal found 11/20$851
This Kiwi.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:30 amSTN - PHL
1 stop14h 30mMultiple Airlines
Thu 12/45:30 pmPHL - STN
1 stop9h 20mMultiple Airlines
Deal found 11/19$867
This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:30 amSTN - PHL
1 stop14h 30mMultiple Airlines
Tue 12/910:24 amPHL - STN
2 stops18h 26mMultiple Airlines
Deal found 11/18$879
This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:30 amSTN - PHL
1 stop14h 30mMultiple Airlines
Wed 12/315:30 pmPHL - STN
1 stop9h 20mMultiple Airlines
Deal found 11/18$907

Cheapflights Fare Finder

 
Customize your flight search to find flights from Stansted to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 20, 2025.
Use the filters below to find and compare flights from London Stansted Airport to Philadelphia that are best for you.

Fly from

Stansted

Fly to

Philadelphia

Route

Depart

Return

Price

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 12/16

6:30 am-4:00 pm

1 stop14h 30m

Philadelphia

Wed 12/31

5:30 pm-7:50 am

1 stop9h 20m

$907

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 12/4

7:05 am-5:17 pm

3 stops39h 12m

Philadelphia

Tue 12/9

5:15 am-6:40 pm

3 stops32h 25m

$925

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 12/15

6:30 am-4:00 pm

1 stop14h 30m

Philadelphia

Mon 12/29

5:30 pm-7:50 am

1 stop9h 20m

$970

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 12/16

6:30 am-4:00 pm

1 stop14h 30m

Philadelphia

Mon 12/29

5:30 pm-7:50 am

1 stop9h 20m

$977

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 12/18

6:30 am-6:10 pm

2 stops16h 40m

Philadelphia

Tue 12/23

5:30 pm-9:10 am

1 stop10h 40m

$992

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 12/3

6:00 pm-4:00 pm

2 stops27h 00m

Philadelphia

Wed 12/10

5:30 pm-7:50 am

1 stop9h 20m

$1,013

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Fri 12/5

9:45 pm-4:00 pm

1 stop23h 15m

Philadelphia

Tue 12/9

5:40 pm-3:05 pm

2 stops16h 25m

$1,020

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 12/15

6:30 am-4:00 pm

1 stop14h 30m

Philadelphia

Thu 1/1

5:30 pm-7:50 am

1 stop9h 20m

$1,028

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 12/23

6:00 am-4:00 pm

1 stop15h 00m

Philadelphia

Tue 12/30

8:40 am-6:50 pm

2 stops29h 10m

$1,040

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 12/3

8:55 pm-10:57 pm

3 stops55h 02m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 17 results
1
2
  • Most accurate provider: When it comes to deals on London Stansted Airport-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Stansted Airport-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Stansted Airport-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Stansted Airport-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Stansted Airport-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Stansted to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Stansted with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Stansted Airport to Philadelphia

What is the cheapest month to book a flight from London Stansted Airport to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from London Stansted Airport to Philadelphia (average of $130). Flying from London Stansted Airport to Philadelphia in July is currently the most expensive (average of $653). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Stansted to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Philadelphia from London Stansted?

    Philadelphia (PHL) is the airport you will fly into if you book a flight from London Stansted to Philadelphia. You should not have trouble finding flights to Philadelphia from London Stansted; the airport handles an average of 0 inbound flights from London Stansted per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Philadelphia airport from London Stansted. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.

  • Can I find deals for flights from Stansted to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Stansted to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Stansted to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Philadelphia.

  • Can I find deals for business class flights from Stansted to Philadelphia?

    Yes. Cheapflights offers flight deals from Stansted to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Stansted Airport to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from London Stansted Airport to Philadelphia (average of $130). Flying from London Stansted Airport to Philadelphia in July is currently the most expensive (average of $653). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Pottstown
Reading
Ocean City
Cherry Hill
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Newark
Millville
Chester
Exton

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Alternative routes for Stansted to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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