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Cheap flights from London Stansted Airport to Philadelphia from £349

STN — PHL
18 Oct — 25 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to Philadelphia

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to Philadelphia

Thu 22/1006:30 -
1 stop17h 25m
Wed 4/1117:40 -
1 stop9h 35m
Deal found 15/9£602
Mon 19/1006:30 -
1 stop17h 25m
Mon 2/1117:40 -
1 stop11h 40m
Deal found 13/9£604
Thu 22/1012:00 -
1 stop11h 55m
Mon 2/1117:40 -
1 stop9h 50m
Deal found 13/9£612
Fri 16/1006:35 -
1 stop17h 20m
Fri 23/1020:25 -
1 stop17h 55m
Deal found 16/9£622
Fri 2/1006:35 -
1 stop17h 20m
Sun 4/1020:25 -
1 stop11h 30m
Deal found 15/9£625
Mon 5/1014:55 -
3 stops30h 10m
Sun 18/1015:25 -
2 stops18h 05m
Deal found 13/9£626
Thu 8/1021:55 -
3 stops23h 10m
Wed 14/1015:25 -
2 stops22h 55m
Deal found 14/9£628
Wed 7/1008:30 -
1 stop15h 25m
Tue 13/1020:25 -
1 stop16h 10m
Deal found 14/9£629
Thu 8/1022:05 -
3 stops23h 00m
Sun 18/1010:05 -
3 stops24h 35m
Deal found 14/9£633
Thu 22/1012:00 -
1 stop11h 55m
Wed 28/1018:40 -
1 stop9h 35m
Deal found 13/9£634
Wed 23/913:10 -
1 stop10h 45m
Mon 28/920:25 -
1 stop11h 25m
Deal found 15/9£635

Find flight deals from Stansted to Philadelphia

Round-trip from

£602

One-way from

£349

Popular in

August

Cheapest in

January

Average price

£664
22/10-4/11
  • 22/10-4/11
  • 2 total stops
  • 27h 00m total
  • London to Philadelphia
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27/10-31/12
  • 27/10-31/12
  • 3 total stops
  • 54h 58m total
  • London to Philadelphia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Stansted Airport to Philadelphia that are best for you.

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Route

Depart

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Price

Cheapest return flight

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 26/10

08:05-17:10

3 stops37h 05m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£363

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 10/12

21:45-16:10

1 stop23h 25m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£374

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sat 21/11

06:35-16:10

1 stop14h 35m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£376
Fastest return journey

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 25/11

07:15-16:10

1 stop13h 55m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£378

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 22/9

09:10-21:27

3 stops41h 17m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£424

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 7/10

08:20-23:47

3 stops44h 27m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£427

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 20/10

08:20-18:15

3 stops38h 55m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£429

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sun 25/10

06:30-17:10

1 stop14h 40m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£429

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Fri 16/10

11:40-20:04

3 stops37h 24m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£481

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 14/10

07:45-22:45

3 stops44h 00m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£508

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 22 resultsSorted by cheapest first
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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

Related info for your journey

  • 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.

See more FAQs

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
King of Prussia

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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.

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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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