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Cheap flights from London Luton Airport to Philadelphia from £232

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — PHL
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

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 15 January 2026.

Round-trip from

£467

One-way from

£232

Popular in

December

Cheapest in

January

Average price

£478
24/4-28/4
  • 24/4-28/4
  • 2 total stops
  • 29h 35m total
  • London to Philadelphia
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13/4
  • 13/4
  • 3 total stops
  • 33h 03m 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).
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Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Find 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 15 January 2026.

Fri 24/406:20
LTN
-
PHL
1 stop17h 35m
Multiple Airlines
Tue 28/420:25
PHL
-
LTN
1 stop12h 00m
Multiple Airlines
Deal found 13/1£467
Mon 25/508:15
LTN
-
PHL
1 stop15h 40m
Multiple Airlines
Mon 1/620:25
PHL
-
LTN
1 stop11h 20m
Multiple Airlines
Deal found 14/1£475
Wed 25/207:00
LTN
-
PHL
3 stops20h 46m
Multiple Airlines
Wed 4/316:35
PHL
-
LTN
3 stops17h 45m
Multiple Airlines
Deal found 14/1£528
Thu 23/408:00
LTN
-
PHL
3 stops37h 52m
Multiple Airlines
Mon 27/409:15
PHL
-
LTN
3 stops30h 10m
Multiple Airlines
Deal found 13/1£549
Thu 19/206:05
LTN
-
PHL
3 stops39h 21m
Multiple Airlines
Mon 23/209:39
PHL
-
LTN
3 stops25h 41m
Multiple Airlines
Deal found 14/1£560
Tue 5/520:10
LTN
-
PHL
2 stops24h 50m
Multiple Airlines
Mon 11/517:35
PHL
-
LTN
2 stops20h 50m
Multiple Airlines
Deal found 13/1£596
Fri 27/208:30
LTN
-
PHL
3 stops19h 16m
Multiple Airlines
Fri 6/315:30
PHL
-
LTN
3 stops22h 10m
Multiple Airlines
Deal found 13/1£613

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 15 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

Fri 24/4

06:20-18:55

1 stop17h 35m

Philadelphia

Tue 28/4

20:25-13:25

1 stop12h 00m

£467

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 25/5

08:15-18:55

1 stop15h 40m

Philadelphia

Mon 1/6

20:25-12:45

1 stop11h 20m

£475

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Wed 25/2

07:00-22:46

3 stops20h 46m

Philadelphia

Wed 4/3

16:35-15:20

3 stops17h 45m

£528

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 23/4

08:00-16:52

3 stops37h 52m

Philadelphia

Mon 27/4

09:15-20:25

3 stops30h 10m

£549

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 19/2

06:05-16:26

3 stops39h 21m

Philadelphia

Mon 23/2

09:39-16:20

3 stops25h 41m

£560

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Tue 5/5

20:10-16:00

2 stops24h 50m

Philadelphia

Mon 11/5

17:35-19:25

2 stops20h 50m

£596

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 15/5

12:50-18:55

1 stop11h 05m

Philadelphia

Wed 20/5

08:25-09:00

2 stops19h 35m

£673

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 30/3

10:35-18:55

1 stop13h 20m

Philadelphia

Fri 3/4

20:25-17:25

1 stop16h 00m

£673

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Tue 24/2

21:50-16:26

3 stops47h 36m

£279

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 23/2

06:15-17:15

3 stops40h 00m

£290

Flights are sorted by cheapest return flights first.

Deals found on 12/1

Showing 1-10 of 15 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 Dulles Intl flights
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Gatwick to Reagan-National flights
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Stansted to Philadelphia flights
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Stansted to LaGuardia flights
Southend to John F Kennedy Intl flights
Gatwick to Pittsburgh flights
Southend to Newark flights
London City to Pittsburgh flights
Stansted to Pittsburgh flights
London City to Reagan-National flights
Heathrow to Allentown flights
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Heathrow to Scranton flights
Southend to Dulles Intl flights
Heathrow to State College flights
Heathrow to Harrisburg flights
Heathrow to Erie flights
London City to Harrisburg flights
Gatwick to Erie flights

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?

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.

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