When did momondo last update prices for flights from London Luton Airport to Philadelphia Airport?

Prices for flights from London Luton Airport to Philadelphia Airport are updated daily.

How old do you have to be to fly from London Luton Airport to Philadelphia Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Luton Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£344 Cheap Flights from London Luton Airport to Philadelphia in 2025/26

1 adult

0 bags

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Find the cheapest flights from London Luton Airport to Philadelphia

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Enter your travel dates to find the best prices.

10:25 - 21:48LTN-PHL

16h 23m2 stops

17:30 - 08:35PHL-LTN

10h 05m1 stop

£541Multiple Airlines

Find Deal

Fri, 5 Dec - Wed, 10 Dec

07:00 - 22:46LTN-PHL

20h 46m3 stops

15:30 - 17:50PHL-LTN

21h 20m2 stops

£597Multiple Airlines

Find Deal

Thu, 4 Dec - Sun, 7 Dec

06:50 - 23:34LTN-PHL

45h 44m3 stops

06:00 - 19:25PHL-LTN

32h 25m3 stops

£635Multiple Airlines

Find Deal

Wed, 17 Dec - Wed, 14 Jan

08:00 - 22:46LTN-PHL

19h 46m3 stops

15:30 - 12:30PHL-LTN

16h 00m3 stops

£652Multiple Airlines

Find Deal

Tue, 2 Dec - Mon, 8 Dec

08:05 - 17:00LTN-PHL

12h 55m1 stop

18:30 - 08:55PHL-LTN

10h 25m1 stop

£662Multiple Airlines

Find Deal

Sun, 8 Mar - Sun, 15 Mar

09:00 - 16:00LTN-PHL

12h 00m1 stop

18:30 - 08:55PHL-LTN

10h 25m1 stop

£665Multiple Airlines

Find Deal

Sat, 7 Mar - Sun, 15 Mar

06:00 - 16:00LTN-PHL

15h 00m1 stop

17:30 - 08:35PHL-LTN

10h 05m1 stop

£669Multiple Airlines

Find Deal

Mon, 8 Dec - Mon, 15 Dec

17:20 - 20:50LTN-PHL

31h 30m3 stops

09:53 - 19:55PHL-LTN

30h 02m3 stops

£671Multiple Airlines

Find Deal

Sun, 8 Mar - Sun, 15 Mar

06:50 - 16:00LTN-PHL

14h 10m1 stop

06:00 - 19:25PHL-LTN

32h 25m3 stops

£674Multiple Airlines

Find Deal

Wed, 17 Dec - Wed, 14 Jan

08:05 - 16:00LTN-PHL

12h 55m1 stop

15:02 - 08:55PHL-LTN

13h 53m2 stops

£687Multiple Airlines

Find Deal

Sun, 1 Mar - Sun, 8 Mar

momondo 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

Fri 5/12

10:25-21:48

2 stops16h 23m

Philadelphia

Wed 10/12

17:30-08:35

1 stop10h 05m

£541

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 4/12

07:00-22:46

3 stops20h 46m

Philadelphia

Sun 7/12

15:30-17:50

2 stops21h 20m

£597

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Wed 17/12

06:50-23:34

3 stops45h 44m

Philadelphia

Wed 14/1

06:00-19:25

3 stops32h 25m

£635

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Tue 2/12

08:00-22:46

3 stops19h 46m

Philadelphia

Mon 8/12

15:30-12:30

3 stops16h 00m

£652

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Sun 8/3

08:05-17:00

1 stop12h 55m

Philadelphia

Sun 15/3

18:30-08:55

1 stop10h 25m

£662

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Sat 7/3

09:00-16:00

1 stop12h 00m

Philadelphia

Sun 15/3

18:30-08:55

1 stop10h 25m

£665

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 8/12

06:00-16:00

1 stop15h 00m

Philadelphia

Mon 15/12

17:30-08:35

1 stop10h 05m

£669

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Sun 8/3

17:20-20:50

3 stops31h 30m

Philadelphia

Sun 15/3

09:53-19:55

3 stops30h 02m

£671

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Wed 17/12

06:50-16:00

1 stop14h 10m

Philadelphia

Wed 14/1

06:00-19:25

3 stops32h 25m

£674

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Sun 1/3

08:05-16:00

1 stop12h 55m

Philadelphia

Sun 8/3

15:02-08:55

2 stops13h 53m

£687

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Luton Airport to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Philadelphia?

Our data shows that Wednesday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as £618. On the other hand, Sunday is the most expensive day to depart from London Luton Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £671.

What is the cheapest time of day to depart on your flight to Philadelphia?

The cheapest time of day to fly to Philadelphia is in the afternoon when flights can be purchased for as low as £511. In the morning is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £642 per ticket.

When to book flights from London Luton Airport to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from London Luton Airport to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Luton Airport to Philadelphia (LTN to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Luton Airport to Philadelphia

Direct flights	None

There are no direct flights from London Luton Airport to Philadelphia. There are no popular flight routes from London Luton Airport to Philadelphia.

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How far is London Luton to Philadelphia by plane?
London Luton and Philadelphia are 3521.0 mi apart from one another. 11h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from London Luton Airport to Philadelphia Airport?
Prices for flights from London Luton Airport to Philadelphia Airport are updated daily.
How old do you have to be to fly from London Luton Airport to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Luton Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from London to Philadelphia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Philadelphia for you.

Can I find flights from London to Philadelphia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Philadelphia from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Philadelphia?

Once you have performed a search for London to Philadelphia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Philadelphia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Philadelphia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.