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.

£254 Cheap Flights from London Luton Airport to Philadelphia in 2026

1 adult

0 bags

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Find the cheapest flights from London Luton Airport to Philadelphia

Round-trip

One-way

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Cheap return flights

Enter your travel dates to find the best prices.

06:15 - 23:50

LTN

PHL

45h 35m

3 stops

18:30 - 08:35

PHL

LTN

10h 05m

1 stop

£583Multiple Airlines

Mon, 9 Mar - Mon, 16 Mar

06:15 - 16:26

LTN

PHL

38h 11m

3 stops

18:30 - 08:35

PHL

LTN

10h 05m

1 stop

£610Multiple Airlines

Mon, 9 Mar - Mon, 16 Mar

20:35 - 16:05

LTN

PHL

24h 30m

2 stops

17:40 - 14:35

PHL

LTN

15h 55m

2 stops

£612Multiple Airlines

Mon, 11 May - Tue, 19 May

21:05 - 18:55

LTN

PHL

26h 50m

2 stops

20:25 - 13:25

PHL

LTN

12h 00m

1 stop

£635Multiple Airlines

Fri, 24 Apr - Sun, 3 May

20:25 - 18:55

LTN

PHL

27h 30m

1 stop

20:25 - 13:25

PHL

LTN

12h 00m

1 stop

£668Multiple Airlines

Fri, 24 Apr - Sun, 3 May

06:15 - 23:50

LTN

PHL

45h 35m

3 stops

15:30 - 12:50

PHL

LTN

17h 20m

3 stops

£702Multiple Airlines

Mon, 9 Mar - Mon, 23 Mar

06:00 - 17:00

LTN

PHL

15h 00m

1 stop

18:30 - 08:35

PHL

LTN

10h 05m

1 stop

£735Multiple Airlines

Mon, 9 Mar - Mon, 16 Mar

06:15 - 16:26

LTN

PHL

38h 11m

3 stops

15:30 - 10:35

PHL

LTN

15h 05m

2 stops

£744Multiple Airlines

Mon, 9 Mar - Mon, 16 Mar

09:00 - 17:00

LTN

PHL

12h 00m

1 stop

15:30 - 12:50

PHL

LTN

17h 20m

3 stops

£802Multiple Airlines

Thu, 12 Mar - Mon, 23 Mar

12:50 - 18:55

LTN

PHL

11h 05m

1 stop

20:25 - 12:45

PHL

LTN

11h 20m

1 stop

£821Multiple Airlines

Fri, 12 Jun - Mon, 15 Jun

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

Mon 9/3

06:15-23:50

3 stops45h 35m

Philadelphia

Mon 16/3

18:30-08:35

1 stop10h 05m

£583

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 9/3

06:15-16:26

3 stops38h 11m

Philadelphia

Mon 16/3

18:30-08:35

1 stop10h 05m

£610

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 11/5

20:35-16:05

2 stops24h 30m

Philadelphia

Tue 19/5

17:40-14:35

2 stops15h 55m

£612

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 24/4

21:05-18:55

2 stops26h 50m

Philadelphia

Sun 3/5

20:25-13:25

1 stop12h 00m

£635

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 24/4

20:25-18:55

1 stop27h 30m

Philadelphia

Sun 3/5

20:25-13:25

1 stop12h 00m

£668

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 9/3

06:15-23:50

3 stops45h 35m

Philadelphia

Mon 23/3

15:30-12:50

3 stops17h 20m

£702

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 9/3

06:00-17:00

1 stop15h 00m

Philadelphia

Mon 16/3

18:30-08:35

1 stop10h 05m

£735

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 9/3

06:15-16:26

3 stops38h 11m

Philadelphia

Mon 16/3

15:30-10:35

2 stops15h 05m

£744

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 12/3

09:00-17:00

1 stop12h 00m

Philadelphia

Mon 23/3

15:30-12:50

3 stops17h 20m

£802

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 12/6

12:50-18:55

1 stop11h 05m

Philadelphia

Mon 15/6

20:25-12:45

1 stop11h 20m

£821

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 £590. 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 £639.

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

The cheapest time of day to fly to Philadelphia is at midday when flights can be purchased for as low as £604. In the morning is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £614 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

Fastest flight time	10h 45m
Direct flights	None

The fastest flight from London Luton Airport to Philadelphia takes 10h 45m

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. 10h 45m 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.