Cheap flights from the United Kingdom to Philadelphia from £292
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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from United Kingdom to Philadelphia
Keep the following information in mind while searching for United Kingdom to Philadelphia flight deals. Data was last updated 4 July 2025.
Round-trip from | £452 |
---|---|
One-way from | £292 |
Popular in | August |
Cheapest in | February |
Average price | £621 |
Good round-trip deal | £493 or less |
Good one-way deal | £492 or less |
Find flight deals from United Kingdom to Philadelphia
Cheapest flights from United Kingdom to PhiladelphiaExplore the most affordable flight options available from United Kingdom to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Explore the most affordable flight options available from United Kingdom to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from United Kingdom 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 4 July 2025.
Use the filters below to find and compare flights from the United Kingdom to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Thu 11/9
08:25-17:45
1 stop14h 20m
Philadelphia
Thu 18/9
10:20-06:30
1 stop15h 10m
LondonPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Thu 11/9
08:25-17:45
1 stop14h 20m
Philadelphia
Sat 13/9
18:40-06:30
1 stop30h 50m
LondonPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Tue 23/9
06:30-16:00
1 stop14h 30m
Philadelphia
Wed 1/10
15:25-09:35
1 stop13h 10m
LondonPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Fri 5/9
07:55-13:55
1 stop11h 00m
Philadelphia
Mon 29/9
15:54-07:50
1 stop10h 56m
LondonPhiladelphia
LGW - PHL
LGWPHL
London Gatwick
Thu 14/8
10:00-09:46
1 stop28h 46m
Philadelphia
Sat 16/8
21:00-06:55
1 stop28h 55m
LondonPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Sun 5/10
06:50-14:38
2 stops12h 48m
Philadelphia
Thu 9/10
15:25-09:35
1 stop13h 10m
LondonPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Sat 1/11
08:30-21:21
2 stops16h 51m
Philadelphia
Sat 8/11
18:10-12:50
1 stop13h 40m
LondonPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Thu 27/11
08:30-16:00
1 stop12h 30m
Philadelphia
Thu 4/12
10:10-05:55
1 stop14h 45m
LondonPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Wed 27/8
09:40-21:24
1 stop16h 44m
Philadelphia
Thu 4/9
10:43-06:45
1 stop15h 02m
EdinburghPhiladelphia
EDI - PHL
EDIPHL
Edinburgh Turnhouse
Wed 27/8
09:15-15:35
1 stop11h 20m
Philadelphia
Thu 4/9
18:30-14:45
1 stop15h 15m
Best time to book a flight from United Kingdom to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from United Kingdom with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from the United Kingdom to Philadelphia
What is the cheapest month to book a flight from United Kingdom to Philadelphia?
Currently, March is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of £648). Flying from United Kingdom to Philadelphia in July is currently the most expensive (average of £839). 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.
What is the cheapest time of day to fly from GB to PHL?
Find hourly flight availability from United Kingdom to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.
When flying from United Kingdom to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from United Kingdom to Philadelphia
Explore weekly flight availability from United Kingdom to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.
The most flights from GB0 to PHL are scheduled on a Monday (15 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (10 on average).
Reviews of airlines servicing Philadelphia
Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated 4 July 2025.
See what other customers who have flown with Delta, KLM, andFinnair from the United Kingdom to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from United Kingdom to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for United Kingdom to Philadelphia
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from United Kingdom to Philadelphia
Discover the top 10 airlines that operate flights from United Kingdom to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from United Kingdom to Philadelphia?
When you search for this flight from United Kingdom to Philadelphia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from United Kingdom 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 United Kingdom to Philadelphia.
Can Cheapflights find flights from United Kingdom to Philadelphia with no change fees?
Yes! Cheapflights helps users easily find flights from United Kingdom to Philadelphia with no change fees.
Can Cheapflights notify me if prices for flights from United Kingdom to Philadelphia become cheaper?
Of course! You can now track prices for flights from United Kingdom to Philadelphia 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.