Find flights
When to book
FAQs

Cheap flights from Philadelphia to London Luton Airport from £255

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LTN
16 Sep — 23 Sep1
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 August 2026.

Wed 2/1209:15 -
2 stops27h 05m
Mon 7/1216:00 -
3 stops29h 21m
Deal found 17/8£629
Wed 14/1010:05 -
2 stops23h 20m
Fri 23/1015:15 -
3 stops28h 32m
Deal found 12/8£631
Wed 11/1115:20 -
2 stops17h 25m
Thu 19/1121:30 -
3 stops22h 14m
Deal found 14/8£633
Thu 1/1015:25 -
2 stops23h 30m
Mon 5/1020:35 -
3 stops23h 12m
Deal found 12/8£638
Sun 18/1010:05 -
2 stops26h 25m
Sat 24/1011:50 -
3 stops34h 15m
Deal found 12/8£639
Wed 18/1117:30 -
1 stop10h 45m
Mon 23/1106:10 -
1 stop14h 50m
Deal found 14/8£652
Tue 15/920:25 -
1 stop12h 00m
Fri 18/906:20 -
1 stop17h 35m
Deal found 14/8£652
Fri 20/1117:30 -
1 stop12h 10m
Wed 25/1107:45 -
1 stop13h 15m
Deal found 13/8£654
Wed 11/1117:30 -
1 stop10h 45m
Tue 17/1107:45 -
1 stop13h 15m
Deal found 16/8£655
Wed 23/915:25 -
2 stops23h 30m
Mon 28/920:35 -
3 stops23h 12m
Deal found 13/8£657
Mon 2/1117:30 -
1 stop19h 30m
Thu 5/1106:15 -
1 stop14h 45m
Deal found 12/8£658
Sun 6/917:40 -
2 stops25h 00m
Mon 14/911:40 -
2 stops33h 25m
Deal found 15/8£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 August 2026.

Round-trip from

£631

One-way from

£255

Popular in

June

Cheapest in

November

Average price

£747
14/10-23/10
  • 14/10-23/10
  • 5 total stops
  • 51h 52m total
  • Philadelphia to London
Search Deals
7/10
  • 7/10
  • 3 total stops
  • 43h 28m total
  • Philadelphia to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£178 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 August 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 Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Sun 11/10

20:25-13:25

1 stop12h 00m

London Luton

Fri 6/11

05:00-17:40

2 stops17h 40m

£705

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Mon 5/10

16:20-19:05

2 stops21h 45m

London Luton

Thu 15/10

16:30-18:55

2 stops31h 25m

£711

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Wed 7/10

20:25-15:25

1 stop14h 00m

London Luton

Fri 16/10

06:20-18:55

1 stop17h 35m

£741

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Wed 7/10

16:20-13:55

2 stops16h 35m

London Luton

Mon 12/10

08:15-18:55

1 stop15h 40m

£751

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Sun 18/10

15:25-14:05

2 stops17h 40m

London Luton

Sat 24/10

11:50-17:00

2 stops34h 10m

£753

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Wed 30/9

10:42-09:00

2 stops17h 18m

London Luton

Wed 7/10

06:15-18:55

1 stop17h 40m

£759

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Sat 24/10

10:35-17:10

2 stops25h 35m

London Luton

Sat 31/10

07:45-23:56

3 stops44h 11m

£767

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Wed 14/10

16:20-19:00

2 stops21h 40m

London Luton

Sat 17/10

06:00-18:55

2 stops17h 55m

£768

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Mon 28/9

07:00-23:55

3 stops35h 55m

London Luton

Wed 14/10

05:40-18:55

2 stops18h 15m

£778

PhiladelphiaLondon

PHL Philadelphia - LTN London Luton

PHLLTN

Philadelphia

Fri 4/12

17:30-14:05

1 stop15h 35m

London Luton

Mon 7/12

06:10-16:00

1 stop14h 50m

£816

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Southend-on-Sea
Barnet
Enfield
Kingston upon Thames
Southall
Watford
Dover
Romford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.