$1,109 Cheap Flights from London (STN) to Philadelphia (PHL)

View $1,109 flight on Mon, Jun 1, 2026Opens in a new window

Popular airlines from Stansted Airport (STN) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from London to Philadelphia (STN-PHL)

Prices were available within the past 7 days and start at $1,109 for one-way flights and $4,887 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Oct 1 - Sat, Oct 4
STN
London
PHL
Philadelphia
$4,887 Roundtrip, found 1 day ago
$4,887
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Oct 1 from London to Philadelphia, returning Sat, Oct 4, priced at $4,887 found 1 day ago
Lufthansa
Wed, Oct 1 - Sat, Oct 4
STN
London
PHL
Philadelphia
$4,894 Roundtrip, found 1 day ago
$4,894
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Oct 1 from London to Philadelphia, returning Sat, Oct 4, priced at $4,894 found 1 day ago
Lufthansa
Wed, Oct 1 - Sat, Oct 4
STN
London
PHL
Philadelphia
$4,911 Roundtrip, found 1 day ago
$4,911
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Oct 1 from London to Philadelphia, returning Sat, Oct 4, priced at $4,911 found 1 day ago
Lufthansa
Wed, Oct 1 - Sat, Oct 4
STN
London
PHL
Philadelphia
$4,993 Roundtrip, found 1 day ago
$4,993
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Oct 1 from London to Philadelphia, returning Sat, Oct 4, priced at $4,993 found 1 day ago
Lufthansa
Wed, Oct 1 - Sat, Oct 4
STN
London
PHL
Philadelphia
$5,138 Roundtrip, found 1 day ago
$5,138
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Oct 1 from London to Philadelphia, returning Sat, Oct 4, priced at $5,138 found 1 day ago
Lufthansa
Wed, Oct 1 - Sat, Oct 4
STN
London
PHL
Philadelphia
$5,144 Roundtrip, found 1 day ago
$5,144
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Oct 1 from London to Philadelphia, returning Sat, Oct 4, priced at $5,144 found 1 day ago
Lufthansa
Wed, Oct 1 - Sat, Oct 4
STN
London
PHL
Philadelphia
$5,151 Roundtrip, found 1 day ago
$5,151
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Oct 1 from London to Philadelphia, returning Sat, Oct 4, priced at $5,151 found 1 day ago
Lufthansa
Wed, Oct 1 - Sat, Oct 4
STN
London
PHL
Philadelphia
$5,169 Roundtrip, found 1 day ago
$5,169
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Oct 1 from London to Philadelphia, returning Sat, Oct 4, priced at $5,169 found 1 day ago
Lufthansa
Wed, Oct 1 - Sat, Oct 4
STN
London
PHL
Philadelphia
$5,176 Roundtrip, found 1 day ago
$5,176
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Oct 1 from London to Philadelphia, returning Sat, Oct 4, priced at $5,176 found 1 day ago
Lufthansa
Wed, Oct 1 - Sat, Oct 4
STN
London
PHL
Philadelphia
$5,193 Roundtrip, found 1 day ago
$5,193
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Oct 1 from London to Philadelphia, returning Sat, Oct 4, priced at $5,193 found 1 day ago
Flights from London (STN) to Philadelphia (PHL)
Origin airport
Stansted
Destination airport
Philadelphia Intl.
Roundtrip price
$4,886
Distance
3555 mi

Frequently asked questions

How much does a flight from Stansted Airport (STN) to Philadelphia Intl. Airport (PHL) cost?
Discover the latest flight deals from STN to PHL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STN to PHL?
The cheapest flights from STN to PHL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Stansted Airport (STN) to Philadelphia Intl. Airport (PHL)?
You can't take a direct flight to Philadelphia Intl. Airport (PHL) from London (STN-Stansted). However, you can seamlessly travel to Philadelphia without any layovers by taking off from Heathrow Airport (LHR).
What is the cheapest airline that flies from STN to PHL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STN to PHL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Stansted Airport (STN) to Philadelphia Intl. Airport (PHL)?
There aren't any daily nonstop flights available from Stansted Airport (STN) to Philadelphia Intl. Airport (PHL). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from STN to PHL?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Stansted Airport (STN) to Philadelphia Intl. Airport (PHL)?
Select a flight from Stansted Airport (STN) to Philadelphia Intl. Airport (PHL) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Stansted Airport (STN) to Philadelphia Intl. Airport (PHL) last-minute?
Waiting until right before your break to book your flight from STN to PHL generally means paying more. While it's possible to find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of scoring a bargain.
Is it cheaper to book a STN to PHL flight and hotel package?
Securing a STN to PHL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Stansted Airport (STN) to Philadelphia Intl. Airport (PHL)?
In most cases, you can reschedule or cancel your STN to PHL flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like more details, head to our Customer Service portal.

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