In terms of precipitation, rainfall in Pennsylvania ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Pennsylvania when rainfall is around 69.0 mm.

If weather is an important factor for your trip to Pennsylvania, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

What are the most popular routes from London Stansted Airport to Pennsylvania?

The most popular flight routes from London Stansted Airport to Pennsylvania are London Stansted - New York John F Kennedy Intl, London Stansted - Newark and London Stansted - Washington, D.C. Dulles Intl.

What is the cheapest time of day to fly from STN to PA?

When flying from London Stansted Airport to Pennsylvania, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Stansted to Pennsylvania?

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

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

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

£405+ Cheap Flights from London Stansted Airport to Pennsylvania

Cheap flight deals from Stansted to Pennsylvania

Enter your travel dates to find the best prices.

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Cheapest flights from Stansted to Pennsylvania
Explore the most affordable flight options available from Stansted to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2026.

Thu 29/1006:45 -

1 stop14h 25m

Thu 5/1117:40 -

1 stop9h 25m

Deal found 1/10£599

Sat 26/1206:35 -

1 stop14h 35m

Wed 30/1217:40 -

1 stop9h 35m

Deal found 1/10£604

Mon 26/1006:35 -

1 stop14h 35m

Mon 2/1117:40 -

1 stop9h 50m

Deal found 1/10£611

Sun 15/1106:30 -

1 stop14h 40m

Sun 22/1109:10 -

2 stops17h 40m

Deal found 1/10£613

Tue 3/1108:55 -

1 stop12h 15m

Tue 10/1110:27 -

2 stops16h 48m

Deal found 1/10£615

Mon 16/1106:35 -

1 stop14h 35m

Mon 23/1113:25 -

2 stops14h 05m

Deal found 2/10£616

Mon 2/1106:35 -

2 stops15h 33m

Mon 9/1117:40 -

1 stop15h 25m

Deal found 29/9£620

Find flight deals from Stansted to Pennsylvania

Round-trip from	£599
One-way from	£405
Popular in	August
Cheapest in	January
Average price	£677

29/10-5/11
2 total stops
23h 50m total
London to Pennsylvania

Search Deals

7/11-31/12
3 total stops
33h 15m total
London to Pennsylvania

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£62 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 29/10

08:45-17:10

1 stop12h 25m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£439

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

£445

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Fri 18/12

06:45-16:10

1 stop14h 25m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£451

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 25/11

12:45-00:30

2 stops16h 45m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£478

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sat 7/11

19:15-16:10

1 stop25h 55m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£480

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 12/10

10:10-23:47

3 stops42h 37m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£517

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sun 11/10

06:35-20:04

3 stops42h 29m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£519

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 8/10

22:00-23:27

3 stops30h 27m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£523

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Sat 26/12

06:35-16:10

1 stop14h 35m

Philadelphia

Wed 30/12

17:40-08:15

1 stop9h 35m

£604

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 3/11

08:55-16:10

1 stop12h 15m

Philadelphia

Tue 10/11

10:27-08:15

2 stops16h 48m

£615

Flights are sorted by cheapest return flights first.

Deals found on 29/9

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Stansted to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Stansted with our price prediction graph.

STN-PHL

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 Pennsylvania

STN-USPA

STN-PHL

No data available for this route at this time. Please check back soon.

Related info for your journey

What are the most popular routes from London Stansted Airport to Pennsylvania?
The most popular flight routes from London Stansted Airport to Pennsylvania are London Stansted - New York John F Kennedy Intl, London Stansted - Newark and London Stansted - Washington, D.C. Dulles Intl.
Can I find deals for flights from Stansted to Pennsylvania that include hotel bookings?
Yes. In addition to deals on Stansted to Pennsylvania flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Stansted to Pennsylvania?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Pennsylvania.
Can I find deals for business class flights from Stansted to Pennsylvania?
Yes. Cheapflights offers flight deals from Stansted to Pennsylvania by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheapflights makes it easy to find Stansted to Pennsylvania flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Stansted to Pennsylvania for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Pennsylvania from Stansted? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Stansted to Pennsylvania and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from London Stansted Airport to Pennsylvania from £405

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stansted to Pennsylvania

Cheapest flights from Stansted to PennsylvaniaExplore the most affordable flight options available from Stansted to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2026.

Explore the most affordable flight options available from Stansted to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2026.

Best flights from Stansted to PennsylvaniaDiscover carefully curated flight deals from Stansted to Pennsylvania that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 October 2026.

Discover carefully curated flight deals from Stansted to Pennsylvania that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 October 2026.

Last-minute flights from Stansted to PennsylvaniaDiscover last-minute flight deals from Stansted to Pennsylvania. Data last updated 3 October 2026 and is based on user searches.

Discover last-minute flight deals from Stansted to Pennsylvania. Data last updated 3 October 2026 and is based on user searches.

One-way flights from Stansted to PennsylvaniaSearch for one-way flight options from Stansted to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 3 October 2026.

Search for one-way flight options from Stansted to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 3 October 2026.

Find flight deals from Stansted to Pennsylvania

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

Best time to book a flight from Stansted to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Stansted with our price prediction graph.

Cheapflights Insights

Related info for your journey

What are the most popular routes from London Stansted Airport to Pennsylvania?

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

How can I find direct flights from Stansted to Pennsylvania?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Stansted to Pennsylvania

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

Complete your trip

Complete your trip to Pennsylvania by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Stansted to Pennsylvania by cabin class

Find flights from Stansted to Pennsylvania, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Stansted and Pennsylvania flights

Browse other Stansted and Pennsylvania flight options. Last updated on 3 October 2026.

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

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

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

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Cheapest flights from Stansted to Pennsylvania
Explore the most affordable flight options available from Stansted to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2026.

Best flights from Stansted to Pennsylvania
Discover carefully curated flight deals from Stansted to Pennsylvania that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 October 2026.

Last-minute flights from Stansted to Pennsylvania
Discover last-minute flight deals from Stansted to Pennsylvania. Data last updated 3 October 2026 and is based on user searches.

One-way flights from Stansted to Pennsylvania
Search for one-way flight options from Stansted to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 3 October 2026.