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$489+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
STN — PHL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$601
(Kiwi.com)

One-way from

$489
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$667
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. 7% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Thu 12/186:00 amSTN - PHL
1 stop15h 00mMultiple Airlines
Sun 12/285:30 pmPHL - STN
1 stop9h 20mMultiple Airlines
Deal found 9/17$601
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sat 11/16:30 amSTN - PHL
1 stop14h 30mMultiple Airlines
Sat 11/85:30 pmPHL - STN
1 stop9h 20mMultiple Airlines
Deal found 9/17$603
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 11/32:05 pmSTN - PHL
3 stops31h 00mMultiple Airlines
Mon 11/103:30 pmPHL - STN
3 stops25h 35mMultiple Airlines
Deal found 9/15$668
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Wed 10/157:30 amSTN - PHL
3 stops30h 22mMultiple Airlines
Fri 10/174:35 pmPHL - STN
3 stops25h 35mMultiple Airlines
Deal found 9/17$726
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Wed 11/195:55 amSTN - PHL
3 stops31h 52mMultiple Airlines
Mon 11/245:15 amPHL - STN
3 stops36h 25mMultiple Airlines
Deal found 9/16$735
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 11/246:30 amSTN - PHL
3 stops21h 26mMultiple Airlines
Sat 12/66:10 pmPHL - STN
2 stops17h 25mMultiple Airlines
Deal found 9/15$757
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Wed 10/87:30 amSTN - PHL
3 stops30h 22mMultiple Airlines
Tue 10/145:33 amPHL - STN
3 stops31h 22mMultiple Airlines
Deal found 9/15$770
This Mytrip deal was found by Cheapflights users on 9/16. 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 10/1612:25 pmSTN - PHL
3 stops32h 35mMultiple Airlines
Thu 10/233:25 pmPHL - STN
3 stops27h 50mMultiple Airlines
Deal found 9/16$778
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Wed 10/159:05 pmSTN - PHL
3 stops38h 10mMultiple Airlines
Fri 10/314:35 pmPHL - STN
3 stops27h 35mMultiple Airlines
Deal found 9/17$783

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 September 17, 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

Thu 12/18

6:00 am-4:00 pm

1 stop15h 00m

Philadelphia

Sun 12/28

5:30 pm-7:50 am

1 stop9h 20m

$601

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Sat 11/1

6:30 am-5:00 pm

1 stop14h 30m

Philadelphia

Sat 11/8

5:30 pm-7:50 am

1 stop9h 20m

$603

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

Wed 10/15

7:30 am-8:52 am

3 stops30h 22m

Philadelphia

Fri 10/17

4:35 pm-11:10 pm

3 stops25h 35m

$726

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 11/19

5:55 am-8:47 am

3 stops31h 52m

Philadelphia

Mon 11/24

5:15 am-10:40 pm

3 stops36h 25m

$735

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

Thu 10/16

12:25 pm-4:00 pm

3 stops32h 35m

Philadelphia

Thu 10/23

3:25 pm-12:15 am

3 stops27h 50m

$778

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 10/15

9:05 pm-6:15 am

3 stops38h 10m

Philadelphia

Fri 10/31

4:35 pm-12:10 am

3 stops27h 35m

$783

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 10/2

10:55 pm-7:00 pm

1 stop25h 05m

Philadelphia

Sun 10/5

7:15 am-7:50 am

2 stops19h 35m

$794

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Fri 10/31

1:55 pm-5:35 pm

3 stops31h 40m

Philadelphia

Fri 11/7

9:20 am-3:55 pm

3 stops25h 35m

$819

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 19 results
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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 $236). Flying from London Stansted Airport to Philadelphia in March is currently the most expensive (average of $295). 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 $236). Flying from London Stansted Airport to Philadelphia in March is currently the most expensive (average of $295). 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
Vineland
Wildwood
King of Prussia
Pottstown
Reading
Dewey Beach
Ephrata
Camden
Ocean City
Cherry Hill
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace
Plymouth Meeting

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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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