Cheap flights from London Luton Airport to Philadelphia 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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — PHL
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Philadelphia

Enter your travel dates to find the best prices.

Cheapest flights from Luton to Philadelphia
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 3 February 2026.

Wed 18/306:50
LTN
-
PHL
1 stop14h 10m
Multiple Airlines
Wed 25/318:30
PHL
-
LTN
1 stop10h 05m
Multiple Airlines
Deal found 2/2£441
Mon 16/306:00
LTN
-
PHL
1 stop15h 00m
Multiple Airlines
Sun 22/318:30
PHL
-
LTN
1 stop10h 25m
Multiple Airlines
Deal found 2/2£451
Fri 24/406:20
LTN
-
PHL
1 stop17h 35m
Multiple Airlines
Sun 26/420:25
PHL
-
LTN
1 stop10h 00m
Multiple Airlines
Deal found 2/2£452
Mon 2/306:25
LTN
-
PHL
3 stops21h 21m
Multiple Airlines
Mon 9/315:30
PHL
-
LTN
2 stops16h 35m
Multiple Airlines
Deal found 2/2£504
Wed 11/306:50
LTN
-
PHL
1 stop14h 10m
Multiple Airlines
Sun 15/318:30
PHL
-
LTN
1 stop10h 25m
Multiple Airlines
Deal found 30/1£524

Find 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 3 February 2026.

Round-trip from

£508

One-way from

£287

Popular in

December

Cheapest in

January

Average price

£481
2/3-9/3
  • 2/3-9/3
  • 5 total stops
  • 37h 56m total
  • London to Philadelphia
23/2
  • 23/2
  • 3 total stops
  • 39h 11m total
  • London to Philadelphia
Highest demand for flights based on searches. 3% potential increase in price (£13 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in February 2026

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 3 February 2026.
Use the filters below to find and compare flights from London Luton Airport to Philadelphia that are best for you.

Fly from

Luton

Fly to

Philadelphia

Route

Depart

Return

Price

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 16/3

06:00-17:00

1 stop15h 00m

Philadelphia

Sun 22/3

18:30-08:55

1 stop10h 25m

£451

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 24/4

06:20-18:55

1 stop17h 35m

Philadelphia

Sun 26/4

20:25-11:25

1 stop10h 00m

£452

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 2/3

06:25-22:46

3 stops21h 21m

Philadelphia

Mon 9/3

15:30-12:05

2 stops16h 35m

£507

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Wed 11/3

06:50-17:00

1 stop14h 10m

Philadelphia

Sun 15/3

18:30-08:55

1 stop10h 25m

£524

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 9/3

06:00-17:00

1 stop15h 00m

Philadelphia

Mon 16/3

18:30-08:35

1 stop10h 05m

£538

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Wed 11/3

06:50-17:00

1 stop14h 10m

Philadelphia

Mon 16/3

18:30-08:35

1 stop10h 05m

£559

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 23/2

06:15-16:26

3 stops39h 11m

£287

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Sun 12/4

21:50-22:52

3 stops54h 02m

£293

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 19/3

06:05-16:48

3 stops38h 43m

£322

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Tue 17/2

06:25-22:07

2 stops20h 42m

£339

Flights are sorted by cheapest return flights first.

Deals found on 30/1

Showing 1-10 of 13 results
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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.
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 Luton to Philadelphia. 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 into for flights to Philadelphia from London Luton?

    Philadelphia (PHL) is the airport you will fly into if you book a flight from London Luton to Philadelphia. You should not have trouble finding flights to Philadelphia from London Luton; the airport handles an average of 0 inbound flights from London Luton per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Philadelphia airport from London Luton. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.

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

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

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

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

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

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

See more FAQs

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