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Cheap flights from London Luton Airport to Philadelphia from £352

LTN — PHL
24 Oct — 31 Oct1
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

Wed 14/1013:50 -
3 stops31h 15m
Wed 21/1017:40 -
3 stops16h 45m
Deal found 22/9£618
Sun 8/1108:40 -
1 stop12h 30m
Sun 15/1117:40 -
1 stop10h 30m
Deal found 24/9£620
Wed 7/1006:15 -
1 stop17h 40m
Tue 13/1020:25 -
1 stop12h 00m
Deal found 20/9£621
Tue 3/1107:45 -
2 stops14h 23m
Tue 10/1117:40 -
1 stop11h 55m
Deal found 19/9£623
Fri 13/1109:00 -
1 stop12h 10m
Sun 22/1117:40 -
1 stop10h 30m
Deal found 19/9£634
Tue 20/1009:40 -
1 stop14h 15m
Tue 27/1018:40 -
1 stop11h 55m
Deal found 20/9£637
Fri 6/1109:00 -
1 stop12h 10m
Fri 13/1117:40 -
1 stop13h 50m
Deal found 22/9£652
Wed 28/1012:15 -
2 stops32h 50m
Sun 1/1117:40 -
2 stops18h 55m
Deal found 19/9£653
Mon 2/1106:10 -
1 stop15h 00m
Mon 9/1110:27 -
2 stops19h 18m
Deal found 19/9£655
Wed 7/1006:15 -
2 stops16h 34m
Sun 18/1020:25 -
1 stop10h 00m
Deal found 22/9£661
Wed 21/1006:15 -
1 stop17h 40m
Wed 28/1018:40 -
1 stop10h 35m
Deal found 21/9£663

Find flight deals from Luton to Philadelphia

Round-trip from

£618

One-way from

£352

Popular in

August

Cheapest in

January

Average price

£670
14/10-21/10
  • 14/10-21/10
  • 6 total stops
  • 48h 00m total
  • London to Philadelphia
Search Deals
6/11-31/12
  • 6/11-31/12
  • 3 total stops
  • 24h 45m total
  • London to Philadelphia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Fri 6/11

20:00-16:10

3 stops49h 10m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£361

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Tue 8/12

15:00-16:10

1 stop30h 10m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£376
Fastest return journey

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Thu 19/11

06:15-16:10

1 stop14h 55m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£376

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Sat 21/11

18:45-16:10

1 stop26h 25m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£376

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Thu 12/11

06:15-16:10

1 stop14h 55m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£387

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Sat 19/12

18:45-16:10

1 stop26h 25m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£404

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Sat 31/10

18:45-17:10

1 stop26h 25m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£409

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Wed 14/10

09:40-20:04

3 stops39h 24m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£424

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Sun 27/12

18:50-16:10

2 stops26h 20m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£425

LondonPhiladelphia

LTN London Luton - PHL Philadelphia

LTNPHL

London Luton

Sun 20/12

12:15-16:10

3 stops32h 55m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£426

Flights are sorted by cheapest return flights first.

Deals found on 22/9

Showing 1-10 of 21 resultsSorted by cheapest first
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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

Related info for your journey

  • 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

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
King of Prussia

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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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