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Cheap flights from Philadelphia to London Luton Airport from £204

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LTN
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

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 16 January 2026.

Round-trip from

£471

One-way from

£204

Popular in

June

Cheapest in

September

Average price

£516
11/2-18/2
  • 11/2-18/2
  • 6 total stops
  • 46h 11m total
  • Philadelphia to London
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3/2
  • 3/2
  • 3 total stops
  • 24h 07m total
  • Philadelphia to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£106 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£18 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 Philadelphia to Luton

Enter your travel dates to find the best prices.

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 16 January 2026.

Wed 11/215:30
PHL
-
LTN
3 stops25h 15m
Multiple Airlines
Wed 18/206:50
LTN
-
PHL
3 stops20h 56m
Multiple Airlines
Deal found 14/1£471
Sat 4/420:25
PHL
-
LTN
1 stop14h 40m
Multiple Airlines
Wed 15/406:15
LTN
-
PHL
1 stop17h 40m
Multiple Airlines
Deal found 14/1£471
Thu 5/317:30
PHL
-
LTN
1 stop14h 50m
Multiple Airlines
Sun 8/308:05
LTN
-
PHL
1 stop12h 55m
Multiple Airlines
Deal found 14/1£474
Thu 22/117:40
PHL
-
LTN
2 stops17h 20m
Multiple Airlines
Mon 26/106:00
LTN
-
PHL
2 stops14h 49m
Multiple Airlines
Deal found 14/1£482
Thu 7/520:25
PHL
-
LTN
1 stop15h 20m
Multiple Airlines
Mon 11/510:35
LTN
-
PHL
1 stop13h 20m
Multiple Airlines
Deal found 15/1£483
Thu 22/116:35
PHL
-
LTN
3 stops23h 40m
Multiple Airlines
Wed 28/121:55
LTN
-
PHL
2 stops23h 10m
Multiple Airlines
Deal found 13/1£487
Mon 30/320:25
PHL
-
LTN
1 stop11h 20m
Multiple Airlines
Tue 7/408:05
LTN
-
PHL
1 stop15h 50m
Multiple Airlines
Deal found 15/1£497

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 16 January 2026.
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

Mon 30/3

20:25-12:45

1 stop11h 20m

London Luton

Tue 7/4

13:10-23:11

2 stops15h 01m

£510

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 28/4

20:25-13:25

1 stop12h 00m

London Luton

Wed 13/5

06:15-18:55

1 stop17h 40m

£528

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Mon 4/5

20:25-12:45

1 stop11h 20m

London Luton

Wed 13/5

06:15-18:55

1 stop17h 40m

£529

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 14/4

20:25-13:25

1 stop12h 00m

London Luton

Tue 21/4

08:05-18:55

1 stop15h 50m

£536

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 10/3

18:30-09:45

1 stop11h 15m

London Luton

Wed 18/3

06:50-16:42

2 stops37h 52m

£537

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Thu 9/4

20:25-16:45

1 stop15h 20m

London Luton

Mon 13/4

12:25-18:55

1 stop11h 30m

£553

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 25/3

18:30-08:35

1 stop10h 05m

London Luton

Fri 3/4

06:20-12:55

2 stops35h 35m

£559

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 25/3

18:30-08:35

1 stop10h 05m

London Luton

Wed 8/4

06:15-18:55

1 stop17h 40m

£560

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Sun 3/5

20:25-13:35

1 stop12h 10m

London Luton

Wed 13/5

06:15-18:55

1 stop17h 40m

£563

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Sun 1/3

17:30-08:55

1 stop10h 25m

London Luton

Sun 8/3

08:05-17:00

1 stop12h 55m

£568

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 21 results
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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.

See more FAQs

Travelling to a place near London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Bedford
Chelmsford
Eastbourne
Romford
Folkestone
Southall

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Philadelphia to Luton

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Philadelphia to Luton?

Deals for Philadelphia to Luton flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Luton?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Luton from Philadelphia.

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.

Can Cheapflights notify me if prices for flights from Philadelphia to Luton become cheaper?

Not ready to book yet? You can track prices for flights from Philadelphia to Luton on Cheapflights with our Price Alert feature and get notified when better prices are available.

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