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Cheap flights from Philadelphia to London Luton Airport from £266

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LTN
17 May — 24 May1
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 17 April 2026.

Wed 27/506:00
PHL
-
LTN
2 stops25h 35m
Multiple Airlines
Wed 3/606:15
LTN
-
PHL
2 stops32h 33m
Multiple Airlines
Deal found 12/4£618
Wed 4/1117:30
PHL
-
LTN
1 stop10h 05m
Multiple Airlines
Wed 11/1106:50
LTN
-
PHL
1 stop14h 10m
Multiple Airlines
Deal found 16/4£624
Tue 12/514:57
PHL
-
LTN
3 stops22h 33m
Multiple Airlines
Tue 19/518:40
LTN
-
PHL
3 stops34h 05m
Multiple Airlines
Deal found 12/4£627
Wed 6/506:00
PHL
-
LTN
2 stops25h 35m
Multiple Airlines
Wed 13/506:15
LTN
-
PHL
2 stops32h 33m
Multiple Airlines
Deal found 12/4£628
Sun 6/920:25
PHL
-
LTN
1 stop12h 00m
Multiple Airlines
Mon 14/908:15
LTN
-
PHL
1 stop15h 40m
Multiple Airlines
Deal found 16/4£631
Sun 24/506:00
PHL
-
LTN
2 stops24h 25m
Multiple Airlines
Wed 3/606:15
LTN
-
PHL
2 stops32h 33m
Multiple Airlines
Deal found 15/4£644
Tue 12/514:57
PHL
-
LTN
3 stops26h 53m
Multiple Airlines
Thu 14/518:40
LTN
-
PHL
3 stops34h 05m
Multiple Airlines
Deal found 16/4£652
Wed 7/1020:25
PHL
-
LTN
1 stop11h 10m
Multiple Airlines
Fri 16/1012:50
LTN
-
PHL
1 stop11h 05m
Multiple Airlines
Deal found 17/4£653
Mon 27/420:25
PHL
-
LTN
1 stop11h 20m
Multiple Airlines
Thu 30/413:00
LTN
-
PHL
1 stop10h 55m
Multiple Airlines
Deal found 13/4£655
Wed 19/820:25
PHL
-
LTN
1 stop11h 10m
Multiple Airlines
Wed 26/806:15
LTN
-
PHL
1 stop17h 40m
Multiple Airlines
Deal found 16/4£660

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 17 April 2026.

Round-trip from

£618

One-way from

£266

Popular in

June

Cheapest in

September

Average price

£606
27/5-3/6
  • 27/5-3/6
  • 4 total stops
  • 58h 08m total
  • Philadelphia to London
Search Deals
4/6
  • 4/6
  • 3 total stops
  • 49h 00m total
  • Philadelphia to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£117 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 17 April 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 12/5

14:57-18:30

3 stops22h 33m

London Luton

Tue 19/5

18:40-23:45

3 stops34h 05m

£627

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 14/10

07:00-17:40

3 stops29h 40m

London Luton

Wed 21/10

06:15-18:55

1 stop17h 40m

£784

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 6/10

20:25-15:30

1 stop14h 05m

London Luton

Tue 13/10

09:40-18:55

1 stop14h 15m

£789

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Sun 31/5

15:37-22:55

3 stops26h 18m

London Luton

Sun 7/6

20:35-23:45

3 stops32h 10m

£793

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Fri 1/5

20:25-17:25

1 stop16h 00m

London Luton

Fri 8/5

06:20-23:58

3 stops46h 38m

£805

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Sun 17/5

20:25-13:25

1 stop12h 00m

London Luton

Tue 26/5

21:50-23:45

3 stops30h 55m

£825

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 10/6

16:20-15:25

2 stops18h 05m

London Luton

Sun 14/6

20:50-23:45

3 stops31h 55m

£831

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Sat 2/5

20:25-16:05

1 stop14h 40m

London Luton

Wed 6/5

08:00-23:45

3 stops44h 45m

£840
Fastest return journey

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 12/5

18:33-13:25

2 stops13h 52m

London Luton

Mon 18/5

12:25-18:55

1 stop11h 30m

£863

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 26/5

20:25-13:25

1 stop12h 00m

London Luton

Sun 7/6

09:00-18:55

1 stop14h 55m

£866

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 21 resultsSorted by cheapest first
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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
Wembley
Croydon
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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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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