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Cheap flights from Philadelphia to London Luton Airport from £251

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LTN
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 24 March 2026.

Thu 20/820:25
PHL
-
LTN
1 stop11h 00m
Multiple Airlines
Mon 24/812:25
LTN
-
PHL
1 stop11h 30m
Multiple Airlines
Deal found 20/3£558
Wed 19/820:25
PHL
-
LTN
1 stop14h 00m
Multiple Airlines
Mon 24/812:25
LTN
-
PHL
1 stop11h 30m
Multiple Airlines
Deal found 19/3£568
Tue 18/820:25
PHL
-
LTN
1 stop14h 05m
Multiple Airlines
Tue 25/809:40
LTN
-
PHL
1 stop14h 15m
Multiple Airlines
Deal found 20/3£589
Mon 1/620:25
PHL
-
LTN
1 stop14h 20m
Multiple Airlines
Mon 8/608:15
LTN
-
PHL
1 stop15h 40m
Multiple Airlines
Deal found 20/3£591
Mon 27/416:25
PHL
-
LTN
2 stops15h 20m
Multiple Airlines
Wed 6/506:15
LTN
-
PHL
2 stops14h 23m
Multiple Airlines
Deal found 22/3£599
Tue 19/516:20
PHL
-
LTN
2 stops18h 10m
Multiple Airlines
Wed 27/506:15
LTN
-
PHL
2 stops14h 23m
Multiple Airlines
Deal found 19/3£616
Tue 26/516:20
PHL
-
LTN
2 stops16h 05m
Multiple Airlines
Wed 3/606:15
LTN
-
PHL
2 stops14h 23m
Multiple Airlines
Deal found 19/3£620
Thu 3/920:25
PHL
-
LTN
1 stop15h 20m
Multiple Airlines
Mon 7/912:25
LTN
-
PHL
1 stop11h 30m
Multiple Airlines
Deal found 22/3£640

Find 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 24 March 2026.

Round-trip from

£558

One-way from

£251

Popular in

June

Cheapest in

September

Average price

£580
20/8-24/8
  • 20/8-24/8
  • 2 total stops
  • 22h 30m total
  • Philadelphia to London
Search Deals
6/9
  • 6/9
  • 1 total stop
  • 31h 50m total
  • Philadelphia to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 4/8

20:25-15:30

1 stop14h 05m

London Luton

Tue 18/8

09:40-18:55

1 stop14h 15m

£678

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Mon 17/8

20:25-12:45

1 stop11h 20m

London Luton

Mon 24/8

12:25-18:55

1 stop11h 30m

£770
Fastest return journey

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Thu 13/8

20:25-12:25

1 stop11h 00m

London Luton

Mon 17/8

12:25-18:55

1 stop11h 30m

£781

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Fri 17/4

15:30-11:00

2 stops14h 30m

London Luton

Fri 24/4

19:40-22:43

3 stops32h 03m

£783

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Mon 1/6

19:45-15:45

2 stops15h 00m

London Luton

Mon 8/6

08:15-18:55

1 stop15h 40m

£785

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Mon 13/4

20:25-17:10

2 stops15h 45m

London Luton

Sun 19/4

08:00-10:54

3 stops31h 54m

£791

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 2/6

20:25-13:25

1 stop12h 00m

London Luton

Mon 8/6

08:15-18:55

1 stop15h 40m

£792

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Mon 20/4

08:25-12:45

2 stops23h 20m

London Luton

Mon 27/4

08:15-18:55

1 stop15h 40m

£795

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 22/4

20:25-12:35

1 stop11h 10m

London Luton

Sun 26/4

09:00-18:55

1 stop14h 55m

£797

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 3/6

20:25-15:25

1 stop14h 00m

London Luton

Mon 8/6

08:15-18:55

1 stop15h 40m

£799

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Bedford
Chelmsford
Southend-on-Sea

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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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