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

Currently, March is the cheapest month in which you can book a flight from London Luton Airport to Philadelphia (average of £648). Flying from London Luton Airport to Philadelphia in July is currently the most expensive (average of £839). 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.

What is the cheapest day to fly from London Luton Airport to Philadelphia?

Travellers seeking maximum savings on their London Luton Airport to Philadelphia flight should consider departing on Thursday at midday when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

How far in advance should I book a flight from London Luton Airport to Philadelphia?

To save on the cost of your flight from London Luton Airport to Philadelphia, book at least 17 days before your planned departure. Booking around this time can save you about 43% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £481 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £768.

What is the cheapest month to fly from London Luton Airport to Philadelphia?

February is one of the best times of the year to fly to Philadelphia from London Luton Airport. Prices for February average £543 per person but you can even find prices for as low as £386. The most expensive prices can be found in the month of August. Opting for a February flight can save you 23% on your journey compared to booking in August

What is the cheapest time of day to fly from LTN to PHL?

When flying from London Luton Airport to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£361+ Flights from London Luton Airport to Philadelphia

Cheap flight deals from Luton to Philadelphia

Round-trip from	£449
One-way from	£364
Popular in	August
Cheapest in	February
Average price	£491

29/10-5/11
2 total stops
24h 15m total
London to Philadelphia

Search Deals

6/12
1 total stop
15h 00m total
London to Philadelphia

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£30 potential increase over avg. return price).

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Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

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Average for round-trip flights in September 2025

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Find flight deals from Luton to Philadelphia

Cheapest flights from Luton to Philadelphia
Explore the most affordable flight options available from Luton to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Wed 29/1006:50LTN - PHL

1 stop14h 10mMultiple Airlines

Wed 5/1117:30PHL - LTN

1 stop10h 05mMultiple Airlines

Deal found 14/9£449

Mon 3/1106:00LTN - PHL

1 stop15h 00mMultiple Airlines

Mon 10/1105:15PHL - LTN

3 stops33h 10mMultiple Airlines

Deal found 15/9£656

Sat 15/1109:20LTN - PHL

2 stops30h 58mMultiple Airlines

Sat 29/1117:30PHL - LTN

1 stop9h 05mMultiple Airlines

Deal found 15/9£672

Thu 13/1109:00LTN - PHL

1 stop12h 00mMultiple Airlines

Wed 31/1205:15PHL - LTN

3 stops36h 05mMultiple Airlines

Deal found 14/9£681

Wed 8/1007:00LTN - PHL

3 stops30h 52mMultiple Airlines

Tue 14/1020:30PHL - LTN

1 stop11h 05mMultiple Airlines

Deal found 15/9£682

Best flights from Luton to Philadelphia
Discover carefully curated flight deals from Luton to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Wed 29/1006:50LTN - PHL

1 stop14h 10mMultiple Airlines

Wed 5/1117:30PHL - LTN

1 stop10h 05mMultiple Airlines

Deal found 14/9£449

Mon 3/1106:00LTN - PHL

1 stop15h 00mMultiple Airlines

Mon 10/1105:15PHL - LTN

3 stops33h 10mMultiple Airlines

Deal found 15/9£656

Sat 15/1109:20LTN - PHL

2 stops30h 58mMultiple Airlines

Sat 29/1117:30PHL - LTN

1 stop9h 05mMultiple Airlines

Deal found 15/9£672

Thu 20/1109:00LTN - PHL

1 stop12h 00mMultiple Airlines

Tue 25/1117:30PHL - LTN

1 stop11h 15mMultiple Airlines

Deal found 14/9£682

Wed 8/1007:00LTN - PHL

3 stops30h 52mMultiple Airlines

Tue 14/1020:30PHL - LTN

1 stop11h 05mMultiple Airlines

Deal found 15/9£682

Last-minute flights from Luton to Philadelphia
Discover last-minute flight deals from Luton to Philadelphia. Data last updated 16 September 2025 and is based on user searches.

Wed 8/1007:00LTN - PHL

3 stops30h 52mMultiple Airlines

Tue 14/1020:30PHL - LTN

1 stop11h 05mMultiple Airlines

Deal found 15/9£682

Mon 13/1012:50LTN - PHL

1 stop11h 10mMultiple Airlines

Mon 20/1010:20PHL - LTN

2 stops17h 40mMultiple Airlines

Deal found 15/9£708

Wed 29/1006:50LTN - PHL

1 stop14h 10mMultiple Airlines

Wed 5/1117:30PHL - LTN

1 stop10h 05mMultiple Airlines

Deal found 14/9£449

One-way flights from Luton to Philadelphia
Search for one-way flight options from Luton to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Sat 6/1206:00LTN - PHL

1 stop15h 00mMultiple Airlines

Deal found 15/9£364

Sun 19/1016:30LTN - PHL

3 stops33h 27mMultiple Airlines

Deal found 15/9£392

Thu 4/1209:00LTN - PHL

1 stop12h 00mMultiple Airlines

Deal found 14/9£397

Sat 13/1206:00LTN - PHL

1 stop15h 00mMultiple Airlines

Deal found 14/9£400

Mon 22/906:05LTN - PHL

3 stops32h 49mMultiple Airlines

Deal found 14/9£401

Mon 13/1022:10LTN - PHL

3 stops49h 50mMultiple Airlines

Deal found 15/9£408

Fri 10/1021:05LTN - PHL

1 stop26h 55mMultiple Airlines

Deal found 14/9£411

Fri 24/1006:50LTN - PHL

3 stops22h 35mMultiple Airlines

Deal found 15/9£415

Wed 15/1006:05LTN - PHL

2 stops17h 55mMultiple Airlines

Deal found 15/9£422

Fri 19/1205:50LTN - PHL

1 stop15h 10mMultiple Airlines

Deal found 14/9£424

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

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Wed 29/10

06:50-17:00

1 stop14h 10m

Philadelphia

Wed 5/11

17:30-08:35

1 stop10h 05m

£449

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 3/11

06:00-16:00

1 stop15h 00m

Philadelphia

Mon 10/11

05:15-19:25

3 stops33h 10m

£656

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Sat 15/11

09:20-11:18

2 stops30h 58m

Philadelphia

Sat 29/11

17:30-07:35

1 stop9h 05m

£672

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 20/11

09:00-16:00

1 stop12h 00m

Philadelphia

Tue 25/11

17:30-09:45

1 stop11h 15m

£682

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Wed 8/10

07:00-08:52

3 stops30h 52m

Philadelphia

Tue 14/10

20:30-12:35

1 stop11h 05m

£682

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Wed 15/10

19:20-19:00

1 stop28h 40m

£361

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Sat 6/12

06:00-16:00

1 stop15h 00m

£364

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Sun 19/10

16:30-20:57

3 stops33h 27m

£392

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 22/9

06:05-09:54

3 stops32h 49m

£401

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 10/10

21:05-19:00

1 stop26h 55m

£411

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 16 results

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

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

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.
What is the cheapest month to book a flight from London Luton Airport to Philadelphia?
Currently, March is the cheapest month in which you can book a flight from London Luton Airport to Philadelphia (average of £648). Flying from London Luton Airport to Philadelphia in July is currently the most expensive (average of £839). 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.

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How does Cheapflights help users find flights from Luton to Philadelphia?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Philadelphia from Luton today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Luton to Philadelphia?

Cheapflights helps you find that perfect flight to Philadelphia from Luton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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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Cheap flights from London Luton Airport to Philadelphia from £361

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Luton to Philadelphia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Luton to Philadelphia

Cheapest flights from Luton to PhiladelphiaExplore the most affordable flight options available from Luton to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Explore the most affordable flight options available from Luton to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Cheapflights Fare Finder

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

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.

Related info for your journey

Find useful and relevant information for your journey from Luton to Philadelphia. 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 into for flights to Philadelphia from London Luton?

Can I find deals for flights from Luton to Philadelphia that include hotel bookings?

How can I find direct flights from Luton to Philadelphia?

Can I find deals for business class flights from Luton to Philadelphia?

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

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 Luton to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

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 Luton to Philadelphia?

Why should you use Cheapflights to find cheap flight tickets from Luton to Philadelphia?

Can Cheapflights find flights from Luton to Philadelphia with no change fees?

Can Cheapflights notify me if prices for flights from Luton to Philadelphia become cheaper?

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Cheapest flights from Luton to Philadelphia
Explore the most affordable flight options available from Luton to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.