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Cheap flights from London Stansted Airport to Philadelphia from £369

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
STN — PHL
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Stansted to Philadelphia

Enter your travel dates to find the best prices.

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 27 October 2025.

Mon 22/1206:30STN - PHL
1 stop14h 30mMultiple Airlines
Fri 2/117:30PHL - STN
1 stop9h 20mMultiple Airlines
Deal found 26/10£460
Mon 22/1206:30STN - PHL
1 stop14h 30mMultiple Airlines
Sun 4/117:30PHL - STN
1 stop12h 35mMultiple Airlines
Deal found 26/10£470
Sun 21/1206:30STN - PHL
1 stop14h 30mMultiple Airlines
Sun 4/117:30PHL - STN
1 stop12h 35mMultiple Airlines
Deal found 25/10£480
Tue 9/1206:30STN - PHL
1 stop14h 30mMultiple Airlines
Tue 16/1210:24PHL - STN
2 stops16h 26mMultiple Airlines
Deal found 25/10£482
Mon 24/1108:30STN - PHL
1 stop12h 30mMultiple Airlines
Mon 1/1210:40PHL - STN
2 stops16h 10mMultiple Airlines
Deal found 27/10£483
Fri 19/1206:30STN - PHL
1 stop14h 30mMultiple Airlines
Sun 4/117:30PHL - STN
1 stop12h 35mMultiple Airlines
Deal found 26/10£493
Tue 25/1105:55STN - PHL
2 stops15h 10mMultiple Airlines
Tue 2/1215:30PHL - STN
3 stops25h 55mMultiple Airlines
Deal found 26/10£523
Thu 4/1208:30STN - PHL
3 stops19h 16mMultiple Airlines
Mon 8/1215:30PHL - STN
2 stops20h 25mMultiple Airlines
Deal found 25/10£538
Sun 21/1206:30STN - PHL
1 stop14h 30mMultiple Airlines
Sat 3/117:30PHL - STN
1 stop9h 20mMultiple Airlines
Deal found 26/10£541
Sun 21/1206:30STN - PHL
1 stop14h 30mMultiple Airlines
Fri 2/117:30PHL - STN
1 stop9h 20mMultiple Airlines
Deal found 26/10£546

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 27 October 2025.

Round-trip from

£460

One-way from

£369

Popular in

December

Cheapest in

February

Average price

£553
22/12-2/1
  • 22/12-2/1
  • 2 total stops
  • 23h 50m total
  • London to Philadelphia
Search Deals
12/11
  • 12/11
  • 1 total stop
  • 23h 15m total
  • London to Philadelphia
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 27 October 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

Mon 22/12

06:30-16:00

1 stop14h 30m

Philadelphia

Fri 2/1

17:30-07:50

1 stop9h 20m

£460

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 24/11

08:30-16:00

1 stop12h 30m

Philadelphia

Mon 1/12

10:40-07:50

2 stops16h 10m

£483

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Sun 21/12

06:30-16:00

1 stop14h 30m

Philadelphia

Sun 4/1

17:30-11:05

1 stop12h 35m

£498

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 25/11

05:55-16:05

2 stops15h 10m

Philadelphia

Tue 2/12

15:30-22:25

3 stops25h 55m

£523

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 4/12

08:30-22:46

3 stops19h 16m

Philadelphia

Mon 8/12

15:30-16:55

2 stops20h 25m

£538

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Sun 21/12

06:30-16:00

1 stop14h 30m

Philadelphia

Sat 3/1

17:30-07:50

1 stop9h 20m

£541

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Fri 7/11

20:10-16:35

2 stops25h 25m

Philadelphia

Sat 15/11

18:10-14:35

2 stops15h 25m

£657

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Sun 23/11

07:40-08:53

3 stops30h 13m

Philadelphia

Sun 30/11

09:20-13:20

2 stops23h 00m

£660

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Sat 13/12

21:45-16:00

1 stop23h 15m

£369

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 12/11

21:45-16:00

1 stop23h 15m

£369

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 18 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 return 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 £98). Flying from London Stansted Airport to Philadelphia in July is currently the most expensive (average of £490). 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?

    Most people fly into Philadelphia (PHL) if they book a flight to Philadelphia from London Stansted. On average, Philadelphia has 0 inbound flights from London Stansted per day from 0 airlines. Philadelphia is conveniently located just 7.0 mi from 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 holiday 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 £98). Flying from London Stansted Airport to Philadelphia in July is currently the most expensive (average of £490). 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

Browse thousands of different options on Cheapflights for your next trip

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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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Fly with Cheapflights

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How does Cheapflights help users find flights from Stansted to Philadelphia?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Philadelphia from Stansted today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Stansted to Philadelphia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Stansted to Philadelphia.

Can Cheapflights find flights from Stansted to Philadelphia with no change fees?

Yes, we can. To see specific flights from Stansted to Philadelphia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Stansted to Philadelphia become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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