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588 € Cheap Flights from London Stansted to Philadelphia

Compare London Stansted to Philadelphia flight deals

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Flight deals from London Stansted to Philadelphia

Looking for a cheap last-minute deal or the best return flight from London Stansted Airport to Philadelphia? If you want to travel next month, return fares start from 593 €. Find the lowest prices on one-way and return tickets right here.
Philadelphia.588 € per passenger.Departing Fri, 11 Sep, returning Thu, 17 Sep.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Fri, 11 Sep, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Thu, 17 Sep, arriving in London Stansted.Price includes taxes and charges.From 588 €, select.
Philadelphia.590 € per passenger.Departing Wed, 7 Oct, returning Mon, 12 Oct.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 7 Oct, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Mon, 12 Oct, arriving in London Stansted.Price includes taxes and charges.From 590 €, select.
Philadelphia.593 € per passenger.Departing Wed, 26 Aug, returning Mon, 31 Aug.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 26 Aug, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Mon, 31 Aug, arriving in London Stansted.Price includes taxes and charges.From 593 €, select.
Philadelphia.594 € per passenger.Departing Wed, 26 Aug, returning Tue, 8 Sep.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 26 Aug, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Tue, 8 Sep, arriving in London Stansted.Price includes taxes and charges.From 594 €, select.
Philadelphia.596 € per passenger.Departing Thu, 24 Sep, returning Tue, 13 Oct.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 24 Sep, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Tue, 13 Oct, arriving in London Stansted.Price includes taxes and charges.From 596 €, select.
Philadelphia.600 € per passenger.Departing Tue, 24 Nov, returning Sun, 29 Nov.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Tue, 24 Nov, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Sun, 29 Nov, arriving in London Stansted.Price includes taxes and charges.From 600 €, select.
Philadelphia.606 € per passenger.Departing Thu, 27 Aug, returning Fri, 9 Oct.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 27 Aug, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Fri, 9 Oct, arriving in London Stansted.Price includes taxes and charges.From 606 €, select.
Philadelphia.618 € per passenger.Departing Wed, 9 Sep, returning Fri, 6 Nov.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 9 Sep, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Fri, 6 Nov, arriving in London Stansted.Price includes taxes and charges.From 618 €, select.
Philadelphia.620 € per passenger.Departing Wed, 28 Oct, returning Tue, 3 Nov.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 28 Oct, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Tue, 3 Nov, arriving in London Stansted.Price includes taxes and charges.From 620 €, select.
Philadelphia.639 € per passenger.Departing Sat, 5 Dec, returning Wed, 9 Dec.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Sat, 5 Dec, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Wed, 9 Dec, arriving in London Stansted.Price includes taxes and charges.From 639 €, select.
Philadelphia.648 € per passenger.Departing Thu, 8 Apr, returning Mon, 12 Apr.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 8 Apr, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Mon, 12 Apr, arriving in London Stansted.Price includes taxes and charges.From 648 €, select.
Philadelphia.652 € per passenger.Departing Tue, 4 Aug, returning Wed, 2 Dec.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Tue, 4 Aug, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Wed, 2 Dec, arriving in London Stansted.Price includes taxes and charges.From 652 €, select.
Philadelphia.653 € per passenger.Departing Sat, 7 Nov, returning Sat, 12 Dec.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Sat, 7 Nov, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Sat, 12 Dec, arriving in London Stansted.Price includes taxes and charges.From 653 €, select.
Philadelphia.677 € per passenger.Departing Wed, 19 Aug, returning Tue, 24 Nov.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 19 Aug, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Tue, 24 Nov, arriving in London Stansted.Price includes taxes and charges.From 677 €, select.
Philadelphia.695 € per passenger.Departing Tue, 15 Sep, returning Wed, 9 Dec.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Tue, 15 Sep, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Wed, 9 Dec, arriving in London Stansted.Price includes taxes and charges.From 695 €, select.
Philadelphia.722 € per passenger.Departing Wed, 5 May, returning Mon, 10 May.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 5 May, arriving in Philadelphia International.Inbound indirect flight with Aer Lingus, departs from Philadelphia International on Mon, 10 May, arriving in London Stansted.Price includes taxes and charges.From 722 €, select.

Find the cheapest month to fly from London Stansted to Philadelphia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Stansted to Philadelphia flights are currently cheapest in September.
Jul
from 930 €
Aug
from 593 €
Sep
from 588 €
Oct
from 590 €
Nov
from 600 €
Dec
from 639 €
Jan
from 965 €
Feb
from 950 €
Mar
from 1.034 €
Apr
from 648 €
May
from 722 €
Jun
Find prices

Alternative London Stansted to Philadelphia routes

Looking for the cheapest, fastest or easiest route from London Stansted to Philadelphia? You could fly into the following airports instead.

Philadelphia International

11km from central Philadelphia
ClosestCheapest
from 588 €
Search flights

Philadelphia Trenton-Mercer

47km from central Philadelphia
from 890 €
Search flights

Greater Wilmington

49km from central Philadelphia
Search flights

Atlantic City International

75km from central Philadelphia
from 707 €
Search flights

Allentown

81km from central Philadelphia
from 733 €
Search flights

London to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found588 €
Cheapest month to flySeptember

Finding cheap flights from London Stansted to Philadelphia: Frequently asked questions

There are 5 airports in Philadelphia: Philadelphia International, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a return flight from London Stansted to Philadelphia is 588 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Stansted to Philadelphia. But we found flights with one or more stops from 588 €.
As of July 2026, there are no flights flying from London Stansted to Philadelphia.
The cheapest month to fly from London Stansted to Philadelphia is usually September.
If you're flying from London Stansted Airport, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from 588 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Stansted Airport to Philadelphia on Friday, 11 September 2026.
No airlines currently offer direct flights between London Stansted Airport and Philadelphia. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.

In July, the average temperature is usually around 24°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.
Currently, Ryanair offers the cheapest flight tickets to Philadelphia.

Travelling from Stansted Airport (STN) to Philadelphia: what you need to know

  • Philadelphia is four hours behind London, where Stansted Airport is located. Philadelphia follows the UTC-4 timezone.

  • Give yourself enough time to catch your STN to Philadelphia flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Longer lines at security and check-in are more likely if you're travelling during high season, so allow a bit more breathing room. A good rule of thumb for peak times? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.

  • A stopover is the perfect opportunity to break up your trip and perhaps even explore a different city. When browsing for plane tickets from STN to Philadelphia, uncheck the 'Direct flights only' box to see where you can stop along the way. Some popular options include:

    • Amsterdam Airport Schiphol (AMS)

    • Dublin Airport (DUB)

    • Copenhagen Airport (CPH)

  • Travelling from central London to STN takes around 1 hour 25 minutes on public transport. If you ride-share, drive or grab a cab, you'll cover the 48 kilometres in 1 hour or so, depending on traffic.

  • Looking for a hotel close to STN? If you're boarding an early flight from Stansted Airport to Philadelphia, these stays will put you moments from your departure gate:

  • 64.73% of flights that leave from Stansted Airport touch down at their destination on schedule.

How to find the cheapest flights from Stansted Airport (STN) to Philadelphia

  • 293 € is the lowest price we've found for a one-way Stansted Airport to Philadelphia flight. A round-trip plane ticket right now is 588 €. Depending on the availability when you book, these fares can change.

  • Booking ahead of time is often the key to locking in a cheap flight from STN to Philadelphia. Airlines adjust prices based on demand, so the closer your departure date, the more it could cost you.

  • If you're willing to be flexible with your trip dates, use the 'Whole month' search tool. It'll give you the lowest price across every month when looking for a Stansted Airport to Philadelphia ticket.

  • Snapping up a cheap flight from STN to Philadelphia is a breeze with Price Alerts. Simply set up one of these automatic notifications and we'll get in touch when a deal gets even better.

  • Save on your flight from Stansted Airport to Philadelphia with the help of our filters. Select your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • The distance from Philadelphia International Airport (PHL) to central Philadelphia is roughly 19 kilometres. It takes about 15 minutes to get to the centre driving.

  • Getting to the centre on public transport takes around 45 minutes.

  • If you're coming in on a late flight from Stansted Airport to Philadelphia, nothing beats the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and resting soon after at one of these hotels near PHL:

  • Explore without limits with a Philadelphia International Airport rental car. Book your wheels from Dollar, Thrifty or Budget and venture far and wide through Philadelphia and beyond.

  • To secure the lowest price, reserve your vehicle from Philadelphia International Airport about three weeks ahead of your flight from STN to Philadelphia.

  • PHL is located at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • After your flight from Stansted Airport to Philadelphia has arrived, you can get to the city centre in around 40 minutes by car. Central Philadelphia is roughly 56 kilometres from Trenton-Mercer Airport (TTN).

  • You can expect the trip to take about 1 hour 45 minutes on public transport.

  • Following your STN to Philadelphia flight, settle in at a hotel close to TTN. These are some comfortable options that'll help you get into relaxation mode:

  • Forget about inconvenient public transport schedules or waiting in a long cab line. Pick up a Trenton-Mercer Airport rental car and let the journey unfold your way. Compare availability and rates from Budget, National and Enterprise.

  • Lock in the lowest price by booking your ride from TTN four weeks in advance. You can also expect to have a greater range of vehicles.

  • You can find Trenton-Mercer Airport at Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • Carefully consider your trip dates before locking in your flight from Stansted Airport to Philadelphia. The city buzzes during peak season, but rates are generally higher and attractions can get crowded. Plan your trip to Philadelphia in low season if you want a more relaxed vibe.

  • Before locking in your Stansted Airport to Philadelphia plane ticket, think about what kind of weather you prefer. July is the warmest month in Philadelphia, with temperatures ranging from 18ºC (64ºF) to 32ºC (90ºF).

  • If you like cooler conditions, search for a cheap ticket from STN to Philadelphia in January when temperatures average between -7ºC (19ºF) and 9ºC (48ºF).

More about Philadelphia

Explore more of United States

  • New York is just one of the many places in United States waiting to be explored once you've seen the sights of Philadelphia. Around 129 kilometres away to the north-east, its top attractions include Statue of Liberty, Central Park and Empire State Building.

  • If you're interested in discovering another corner of United States, head for Boston, roughly 434 kilometres north-east of Philadelphia. Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum are the start of reasons to visit.

Plan the rest of your trip from London to Philadelphia

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.