Cheap flights from Philadelphia to London Luton Airport from £259

PHL — LTN
14 Dec — 21 Dec1
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

Tue 8/1217:40 -
1 stop11h 55m
Tue 15/1207:45 -
1 stop13h 25m
Deal found 9/11£634
Wed 2/1209:15 -
3 stops28h 05m
Wed 9/1208:30 -
3 stops35h 14m
Deal found 11/11£653
Sun 6/1217:40 -
2 stops22h 25m
Mon 14/1221:45 -
2 stops23h 20m
Deal found 11/11£654
Tue 17/1109:15 -
2 stops30h 50m
Mon 23/1121:45 -
3 stops29h 51m
Deal found 11/11£662
Thu 31/1217:40 -
1 stop20h 25m
Mon 11/114:35 -
2 stops52h 06m
Deal found 13/11£668
Wed 2/1215:20 -
2 stops17h 40m
Mon 7/1209:10 -
3 stops35h 55m
Deal found 9/11£671
Tue 1/1215:20 -
3 stops24h 45m
Mon 7/1209:10 -
3 stops35h 55m
Deal found 12/11£673
Sun 6/1217:40 -
1 stop10h 30m
Tue 15/1207:45 -
1 stop13h 25m
Deal found 11/11£675
Wed 9/1215:20 -
3 stops17h 10m
Sun 13/1218:05 -
3 stops27h 16m
Deal found 12/11£677

Find flight deals from Philadelphia to Luton

Round-trip from

£632

One-way from

£259

Popular in

June

Cheapest in

January

Average price

£753
21/3-31/3
  • 21/3-31/3
  • 2 total stops
  • 23h 40m total
  • Philadelphia to London
5/12-31/12
  • 5/12-31/12
  • 1 total stop
  • 9h 25m total
  • Philadelphia to London
Highest demand for flights based on searches. 19% potential increase in price (£144 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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 Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Wed 20/1

12:55-21:00

3 stops27h 05m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£273
Fastest return journey

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Sat 20/3

18:40-08:05

1 stop9h 25m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£333

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Fri 8/1

14:16-14:05

3 stops18h 49m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£353

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Sat 16/1

15:35-14:15

2 stops17h 40m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£360

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Fri 19/3

16:35-14:05

2 stops17h 30m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£372

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Thu 14/1

06:25-14:25

3 stops27h 00m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£380

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Sun 29/11

17:40-22:10

1 stop23h 30m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£387

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Thu 21/1

19:45-14:15

1 stop13h 30m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£389

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Sat 21/11

21:32-20:50

2 stops42h 18m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£414

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Wed 3/2

15:20-21:05

2 stops24h 45m

London Luton

Wed 10/2

21:45-22:46

2 stops30h 01m

£668

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 20 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

Related info for your journey

  • 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
Hounslow
Luton
Wembley
Milton Keynes
Gatwick
Slough
Ilford
Hayes
Folkestone
Eastbourne
Croydon
Barnet
Southall
Southend-on-Sea
Enfield
Brentford
Dover
Harrow
Watford
Dagenham

Browse thousands of different options on Cheapflights for your next trip

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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.

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