Cheap flights from London Luton Airport to Philadelphia from £378
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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Luton to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 July 2025.
Round-trip from | £595 |
---|---|
One-way from | £378 |
Popular in | August |
Cheapest in | February |
Average price | £620 |
Find flight deals from Luton to Philadelphia
Cheapest flights from Luton to PhiladelphiaExplore the most affordable flight options available from Luton to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.
Explore the most affordable flight options available from Luton to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Luton 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 2 July 2025.
Use the filters below to find and compare flights from London Luton Airport to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonPhiladelphia
LTN - PHL
LTNPHL
London Luton
Mon 25/8
06:05-23:59
3 stops46h 54m
Philadelphia
Sat 13/9
06:45-22:30
3 stops34h 45m
LondonPhiladelphia
LTN - PHL
LTNPHL
London Luton
Mon 25/8
06:05-23:59
3 stops46h 54m
Best time to book a flight from Luton to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Luton with our price prediction graph.
Related info for your journey
Find useful and relevant information for your journey from Luton to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Luton to Philadelphia
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How does Cheapflights help users find flights from Luton to Philadelphia?
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Why should you use Cheapflights to find cheap flight tickets from Luton to Philadelphia?
Cheapflights helps you find that perfect flight to Philadelphia from Luton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Luton to Philadelphia with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Luton to Philadelphia flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Luton to Philadelphia become cheaper?
Yes! Start tracking prices for Luton to Philadelphia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.