Find flights
When to book
FAQs

Cheap flights from Philadelphia to London Luton Airport from £197

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LTN
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap 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 September 2025.

Round-trip from

£396

One-way from

£197

Popular in

June

Cheapest in

September

Average price

£481
13/10-20/10
  • 13/10-20/10
  • 4 total stops
  • 41h 04m total
  • Philadelphia to London
Search Deals
12/10
  • 12/10
  • 3 total stops
  • 44h 30m total
  • Philadelphia to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£101 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Philadelphia to Luton

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 September 2025.

Mon 13/1016:50PHL - LTN
2 stops18h 10mMultiple Airlines
Mon 20/1021:55LTN - PHL
2 stops22h 54mMultiple Airlines
Deal found 15/9£396
Tue 7/1016:50PHL - LTN
2 stops14h 45mMultiple Airlines
Tue 14/1021:50LTN - PHL
2 stops22h 59mMultiple Airlines
Deal found 16/9£397
Tue 14/1016:50PHL - LTN
2 stops14h 45mMultiple Airlines
Tue 21/1021:50LTN - PHL
3 stops28h 48mMultiple Airlines
Deal found 15/9£405
Wed 8/1007:30PHL - LTN
2 stops26h 55mMultiple Airlines
Tue 14/1021:50LTN - PHL
3 stops28h 48mMultiple Airlines
Deal found 16/9£416
Fri 31/1009:20PHL - LTN
2 stops26h 55mMultiple Airlines
Fri 7/1105:50LTN - PHL
2 stops22h 06mMultiple Airlines
Deal found 16/9£422
Mon 24/1117:30PHL - LTN
1 stop10h 05mMultiple Airlines
Sun 30/1108:05LTN - PHL
1 stop12h 55mMultiple Airlines
Deal found 16/9£431
Thu 6/1117:30PHL - LTN
1 stop10h 15mMultiple Airlines
Fri 14/1105:50LTN - PHL
1 stop15h 10mMultiple Airlines
Deal found 15/9£438
Sun 16/1116:35PHL - LTN
2 stops14h 10mMultiple Airlines
Sat 22/1121:00LTN - PHL
2 stops30h 56mMultiple Airlines
Deal found 15/9£439
Tue 2/1209:20PHL - LTN
2 stops29h 45mMultiple Airlines
Sat 6/1221:00LTN - PHL
2 stops30h 56mMultiple Airlines
Deal found 16/9£440

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 September 2025.
Use the filters below to find and compare flights from Philadelphia to London Luton Airport that are best for you.

Fly from

Philadelphia

Fly to

Luton

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 14/10

16:50-12:35

2 stops14h 45m

London Luton

Tue 21/10

21:50-15:49

2 stops22h 59m

£405

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 8/10

07:30-15:25

2 stops26h 55m

London Luton

Tue 14/10

21:50-21:38

3 stops28h 48m

£416

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Fri 7/11

16:35-15:25

2 stops17h 50m

London Luton

Mon 10/11

19:05-16:05

2 stops26h 00m

£449

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 15/10

15:25-20:45

2 stops24h 20m

London Luton

Wed 22/10

06:00-21:38

2 stops20h 38m

£467

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Sun 12/10

16:50-19:25

2 stops21h 35m

London Luton

Sun 19/10

19:45-16:00

2 stops25h 15m

£478

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Fri 17/10

17:35-15:45

2 stops17h 10m

London Luton

Thu 23/10

21:10-16:00

2 stops23h 50m

£488

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Mon 3/11

16:35-19:30

2 stops21h 55m

London Luton

Mon 10/11

17:45-14:47

3 stops26h 02m

£501

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Sun 28/9

15:25-15:35

2 stops19h 10m

London Luton

Tue 7/10

07:00-22:29

3 stops20h 29m

£510

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Mon 27/10

09:20-18:40

3 stops29h 20m

London Luton

Tue 11/11

19:20-22:56

3 stops32h 36m

£516

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Fri 5/12

06:40-11:55

2 stops48h 15m

£216

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 18 results
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.

  • What is the cheapest month to book a flight from Philadelphia to London Luton Airport?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to London Luton Airport (average of £76). Flying from Philadelphia to London Luton Airport in July is currently the most expensive (average of £113). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Croydon
Hounslow
Slough
Gatwick
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Dartford
Guildford
Brentford
Bishop's Stortford
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.

Alternative routes for Philadelphia to Luton

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
Dulles Intl to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to London City flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Gatwick flights
Newark to London City flights
John F Kennedy Intl to Stansted flights
Philadelphia to Heathrow flights
Newark to Stansted flights
Newark to Luton flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
Reagan-National to Gatwick flights
Dulles Intl to Luton flights
Philadelphia to Gatwick flights
Pittsburgh to Heathrow flights
LaGuardia to Stansted flights
Philadelphia to Stansted flights
Pittsburgh to Gatwick flights
Pittsburgh to London City flights
Reagan-National to Stansted flights
John F Kennedy Intl to Southend flights
Pittsburgh to Luton flights
Harrisburg to Heathrow flights
Reagan-National to Luton flights
State College to Heathrow flights
Elmira to Heathrow flights

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.