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Cheap flights from Philadelphia to London Luton Airport from £287

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LTN
7 Jul — 14 Jul1
1 adult

Cheap flight deals from Philadelphia to Luton

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Luton (LTN). 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

£455

One-way from

£287

Popular in

June

Cheapest in

February

Average price

£718
16/10-23/10
  • 16/10-23/10
  • 2 total stops
  • 26h 30m total
  • Philadelphia to London
17/7
  • 17/7
  • 2 total stops
  • 36h 40m total
  • Philadelphia to London
Highest demand for flights based on searches. 19% potential increase in price (£102 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Philadelphia to Luton

Cheapest flights from Philadelphia to Luton
Explore the most affordable flight options available from Philadelphia to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Thu 16/1020:30PHL - LTN
1 stop15h 05mMultiple Airlines
Thu 23/1012:35LTN - PHL
1 stop11h 25mMultiple Airlines
Deal found 1/7£455

Cheapflights Fare Finder

Customise your flight search to find flights from Philadelphia to Luton 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 Philadelphia to London Luton Airport that are best for you.

Fly from

Philadelphia

Fly to

Luton

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Thu 16/10

20:30-16:35

1 stop15h 05m

London Luton

Thu 23/10

12:35-19:00

1 stop11h 25m

£455

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Thu 17/7

06:30-00:10

2 stops36h 40m

£287

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Best time to book a flight from Philadelphia to Luton

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

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Luton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Philadelphia to London Luton?

    If you book a flight to London Luton from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 0 flights from Philadelphia to London Luton per day from 0 different airlines.

  • Can I find deals for flights from Philadelphia to Luton that include hotel bookings?

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

  • How can I find direct flights from Philadelphia to Luton?

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

  • Can I find deals for business class flights from Philadelphia to Luton?

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

  • What is the cheapest month to book a flight from Philadelphia to London Luton Airport?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to London Luton Airport (average of £76). Flying from Philadelphia to London Luton Airport in July is currently the most expensive (average of £113). 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.

See more FAQs

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Maidstone
Guildford
Chichester

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Can Cheapflights find flights from Philadelphia to Luton with no change fees?

Yes! Cheapflights helps users easily find flights from Philadelphia to Luton with no change fees.

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