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

Currently, August is the cheapest month in which you can book a flight from London Luton Airport to Philadelphia (average of $236). Flying from London Luton Airport to Philadelphia in March is currently the most expensive (average of $295). 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.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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

To save up to 48% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Luton Airport to Philadelphia from $650 1-2 weeks out and tickets from $1,041 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of February. Prices to Philadelphia from London Luton Airport average $739. You can even find prices in February for less than $739, as users have found deals to Philadelphia from as low as $524. The month of August appears to be one of the more expensive times to travel to Philadelphia from London Luton Airport. Flying in the targeted month can save you up to 23%.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Luton Airport to Philadelphia as you normally would.

What airport do you fly into for flights to Philadelphia from London Luton?

Most people fly into Philadelphia (PHL) if they book a flight to Philadelphia from London Luton. On average, Philadelphia has 0 inbound flights from London Luton per day from 0 airlines. Philadelphia is conveniently located just 7.0 mi from 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 vacation 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.

$555+ Flights from London Luton Airport to Philadelphia

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Cheap flight deals from Luton to Philadelphia

Round-trip from	$704 (Kiwi.com)
One-way from	$555 (Mytrip)
Popular in	August
Cheapest in	February
Average price	$914

From London Luton to Philadelphia

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One-way flight from London Luton to Philadelphia

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Highest demand for flights based on searches. 7% potential increase in price ($56 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in August 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 August 18, 2025.

Thu 9/258:45 amLTN - PHL

1 stop15h 15mMultiple Airlines

Mon 10/610:20 amPHL - LTN

2 stops17h 40mMultiple Airlines

Deal found 8/16

$704

Thu 9/412:35 pmLTN - PHL

1 stop11h 25mMultiple Airlines

Sun 9/1410:20 amPHL - LTN

2 stops17h 15mMultiple Airlines

Deal found 8/17

$706

Thu 9/188:45 amLTN - PHL

1 stop15h 15mMultiple Airlines

Sun 9/216:10 pmPHL - LTN

2 stops20h 15mMultiple Airlines

Deal found 8/16

$707

Mon 9/159:00 amLTN - PHL

1 stop15h 00mMultiple Airlines

Mon 9/228:30 pmPHL - LTN

1 stop14h 30mMultiple Airlines

Deal found 8/16

$715

Fri 9/1211:30 amLTN - PHL

1 stop12h 30mMultiple Airlines

Fri 9/1910:20 amPHL - LTN

2 stops22h 15mMultiple Airlines

Deal found 8/16

$729

Thu 10/1612:35 pmLTN - PHL

1 stop11h 25mMultiple Airlines

Mon 10/208:30 pmPHL - LTN

1 stop14h 30mMultiple Airlines

Deal found 8/17

$740

Wed 9/101:00 pmLTN - PHL

1 stop11h 00mMultiple Airlines

Sat 9/208:30 pmPHL - LTN

1 stop12h 15mMultiple Airlines

Deal found 8/18

$763

Thu 11/139:00 amLTN - PHL

1 stop12h 00mMultiple Airlines

Thu 11/205:30 pmPHL - LTN

1 stop10h 15mMultiple Airlines

Deal found 8/16

$777

Best flights from Luton to Philadelphia
Discover carefully curated flight deals from Luton to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Thu 9/258:45 amLTN - PHL

1 stop15h 15mMultiple Airlines

Mon 10/610:20 amPHL - LTN

2 stops17h 40mMultiple Airlines

Deal found 8/16

$704

Thu 9/412:35 pmLTN - PHL

1 stop11h 25mMultiple Airlines

Sun 9/1410:20 amPHL - LTN

2 stops17h 15mMultiple Airlines

Deal found 8/17

$706

Thu 9/188:45 amLTN - PHL

1 stop15h 15mMultiple Airlines

Sun 9/216:10 pmPHL - LTN

2 stops20h 15mMultiple Airlines

Deal found 8/16

$707

Mon 9/159:00 amLTN - PHL

1 stop15h 00mMultiple Airlines

Mon 9/228:30 pmPHL - LTN

1 stop14h 30mMultiple Airlines

Deal found 8/16

$715

Fri 9/1211:30 amLTN - PHL

1 stop12h 30mMultiple Airlines

Fri 9/1910:20 amPHL - LTN

2 stops22h 15mMultiple Airlines

Deal found 8/16

$729

Thu 10/1612:35 pmLTN - PHL

1 stop11h 25mMultiple Airlines

Mon 10/208:30 pmPHL - LTN

1 stop14h 30mMultiple Airlines

Deal found 8/17

$740

Wed 9/101:00 pmLTN - PHL

1 stop11h 00mMultiple Airlines

Sat 9/208:30 pmPHL - LTN

1 stop12h 15mMultiple Airlines

Deal found 8/18

$763

Thu 11/139:00 amLTN - PHL

1 stop12h 00mMultiple Airlines

Thu 11/205:30 pmPHL - LTN

1 stop10h 15mMultiple Airlines

Deal found 8/16

$777

Last-minute flights from Luton to Philadelphia
Discover last-minute flight deals from Luton to Philadelphia. Data last updated August 18, 2025 and is based on user searches.

Mon 8/259:55 pmLTN - PHL

2 stops23h 05mMultiple Airlines

Fri 8/296:45 pmPHL - LTN

2 stops16h 00mMultiple Airlines

Deal found 8/17

$1,267

Mon 9/16:20 amLTN - PHL

2 stops14h 40mMultiple Airlines

Thu 9/45:35 pmPHL - LTN

2 stops24h 10mMultiple Airlines

Deal found 8/18

$1,163

Thu 9/412:35 pmLTN - PHL

1 stop11h 25mMultiple Airlines

Sun 9/1410:20 amPHL - LTN

2 stops17h 15mMultiple Airlines

Deal found 8/17

$706

Wed 9/101:00 pmLTN - PHL

1 stop11h 00mMultiple Airlines

Sat 9/208:30 pmPHL - LTN

1 stop12h 15mMultiple Airlines

Deal found 8/18

$763

Fri 9/1211:30 amLTN - PHL

1 stop12h 30mMultiple Airlines

Fri 9/1910:20 amPHL - LTN

2 stops22h 15mMultiple Airlines

Deal found 8/16

$729

Mon 9/159:00 amLTN - PHL

1 stop15h 00mMultiple Airlines

Mon 9/228:30 pmPHL - LTN

1 stop14h 30mMultiple Airlines

Deal found 8/16

$715

Thu 9/188:45 amLTN - PHL

1 stop15h 15mMultiple Airlines

Sun 9/216:10 pmPHL - LTN

2 stops20h 15mMultiple Airlines

Deal found 8/16

$707

Thu 9/258:45 amLTN - PHL

1 stop15h 15mMultiple Airlines

Mon 10/610:20 amPHL - LTN

2 stops17h 40mMultiple Airlines

Deal found 8/16

$704

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 August 18, 2025.

Thu 10/212:40 pmLTN - PHL

3 stops37h 15mMultiple Airlines

Deal found 8/18

$555

Fri 8/224:20 pmLTN - PHL

2 stops38h 19mMultiple Airlines

Deal found 8/16

$608

Sat 8/307:45 pmLTN - PHL

3 stops33h 14mMultiple Airlines

Deal found 8/16

$617

Wed 11/56:50 amLTN - PHL

1 stop14h 10mMultiple Airlines

Deal found 8/18

$623

Sat 11/159:00 pmLTN - PHL

1 stop24h 00mMultiple Airlines

Deal found 8/18

$638

Fri 9/268:05 pmLTN - PHL

2 stops27h 55mMultiple Airlines

Deal found 8/16

$640

Mon 9/19:55 pmLTN - PHL

1 stop26h 05mMultiple Airlines

Deal found 8/17

$653

Thu 8/211:20 pmLTN - PHL

3 stops54h 45mMultiple Airlines

Deal found 8/17

$660

Mon 10/69:00 amLTN - PHL

1 stop15h 00mMultiple Airlines

Deal found 8/17

$676

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

Thu 9/25

8:45 am-7:00 pm

1 stop15h 15m

Philadelphia

Mon 10/6

10:20 am-9:00 am

2 stops17h 40m

$704

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 9/4

12:35 pm-7:00 pm

1 stop11h 25m

Philadelphia

Sun 9/14

10:20 am-8:35 am

2 stops17h 15m

$706

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 9/18

8:45 am-7:00 pm

1 stop15h 15m

Philadelphia

Sun 9/21

6:10 pm-7:25 pm

2 stops20h 15m

$707

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 9/15

9:00 am-7:00 pm

1 stop15h 00m

Philadelphia

Mon 9/22

8:30 pm-4:00 pm

1 stop14h 30m

$715

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 9/12

11:30 am-7:00 pm

1 stop12h 30m

Philadelphia

Fri 9/19

10:20 am-1:35 pm

2 stops22h 15m

$729

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 10/16

12:35 pm-7:00 pm

1 stop11h 25m

Philadelphia

Mon 10/20

8:30 pm-4:00 pm

1 stop14h 30m

$740

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Wed 9/10

1:00 pm-7:00 pm

1 stop11h 00m

Philadelphia

Sat 9/20

8:30 pm-1:45 pm

1 stop12h 15m

$763

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 11/13

9:00 am-4:00 pm

1 stop12h 00m

Philadelphia

Thu 11/20

5:30 pm-8:45 am

1 stop10h 15m

$777

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 10/2

12:40 pm-8:55 pm

3 stops37h 15m

$555

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 8/22

4:20 pm-1:39 am

2 stops38h 19m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 18 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 round-trip 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?
Most people fly into Philadelphia (PHL) if they book a flight to Philadelphia from London Luton. On average, Philadelphia has 0 inbound flights from London Luton per day from 0 airlines. Philadelphia is conveniently located just 7.0 mi from 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 vacation 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, August is the cheapest month in which you can book a flight from London Luton Airport to Philadelphia (average of $236). Flying from London Luton Airport to Philadelphia in March is currently the most expensive (average of $295). 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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$555+ Cheap flights from Luton (LTN) to Philadelphia (PHL)

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Luton to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 August 18, 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 August 18, 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?

Traveling to a place near Philadelphia?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Luton to Philadelphia

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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 August 18, 2025.