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Cheap flights from London Luton Airport to Philadelphia from £258

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — PHL
21 Feb — 28 Feb1
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 22 January 2026.

Thu 5/306:05
LTN
-
PHL
3 stops42h 47m
Multiple Airlines
Tue 10/309:39
PHL
-
LTN
3 stops31h 16m
Multiple Airlines
Deal found 21/1£548
Mon 30/308:15
LTN
-
PHL
1 stop15h 40m
Multiple Airlines
Mon 6/420:25
PHL
-
LTN
1 stop11h 20m
Multiple Airlines
Deal found 20/1£626
Fri 13/315:20
LTN
-
PHL
3 stops35h 26m
Multiple Airlines
Sat 21/315:30
PHL
-
LTN
2 stops16h 55m
Multiple Airlines
Deal found 20/1£654
Tue 21/405:40
LTN
-
PHL
2 stops18h 15m
Multiple Airlines
Tue 12/517:40
PHL
-
LTN
2 stops22h 20m
Multiple Airlines
Deal found 21/1£685
Fri 6/305:50
LTN
-
PHL
1 stop15h 10m
Multiple Airlines
Fri 13/318:30
PHL
-
LTN
1 stop10h 25m
Multiple Airlines
Deal found 20/1£694
Sat 14/306:00
LTN
-
PHL
2 stops20h 46m
Multiple Airlines
Tue 17/318:30
PHL
-
LTN
1 stop11h 15m
Multiple Airlines
Deal found 20/1£704
Mon 26/108:30
LTN
-
PHL
3 stops19h 16m
Multiple Airlines
Mon 2/215:30
PHL
-
LTN
3 stops22h 10m
Multiple Airlines
Deal found 22/1£707

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 22 January 2026.

Round-trip from

£548

One-way from

£258

Popular in

December

Cheapest in

January

Average price

£476
5/3-10/3
  • 5/3-10/3
  • 6 total stops
  • 74h 03m total
  • London to Philadelphia
Search Deals
28/2
  • 28/2
  • 3 total stops
  • 44h 37m total
  • London to Philadelphia
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 22 January 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

Tue 21/4

05:40-18:55

2 stops18h 15m

Philadelphia

Tue 12/5

17:40-21:00

2 stops22h 20m

£685

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 6/3

05:50-16:00

1 stop15h 10m

Philadelphia

Fri 13/3

18:30-08:55

1 stop10h 25m

£694

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Sat 14/3

06:00-22:46

2 stops20h 46m

Philadelphia

Tue 17/3

18:30-09:45

1 stop11h 15m

£704

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 20/4

05:40-18:55

2 stops18h 15m

Philadelphia

Sat 9/5

15:25-14:35

2 stops18h 10m

£723

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 13/3

05:50-17:00

1 stop15h 10m

Philadelphia

Sat 21/3

18:30-07:35

1 stop9h 05m

£755

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Sat 7/3

06:00-16:00

1 stop15h 00m

Philadelphia

Sat 14/3

06:00-07:35

2 stops21h 35m

£787

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 12/6

12:50-18:55

1 stop11h 05m

Philadelphia

Sun 9/8

17:35-18:50

2 stops20h 15m

£791

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Tue 28/4

14:45-13:17

2 stops51h 32m

£278

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 6/2

17:30-18:11

3 stops53h 41m

£287

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Wed 13/5

09:40-16:52

2 stops36h 12m

£296

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 16 results
1
2

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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Alternative routes for Luton to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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London City to Harrisburg flights
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Fly with Cheapflights

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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?

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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.

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