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Cheap flights from London Luton Airport to Philadelphia from £235

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Luton Airport to Philadelphia departing on 13/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London Luton Airport to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:00 - 17:00
LTN
-
PHL
12h 00m
1 stop
Multiple Airlines Logo
20:25 - 11:25
PHL
-
LTN
10h 00m
1 stop
£454Multiple Airlines
Thu, 26 Mar - Sun, 29 Mar
Multiple Airlines Logo
08:50 - 16:00
LTN
-
PHL
12h 10m
1 stop
Multiple Airlines Logo
18:30 - 08:35
PHL
-
LTN
10h 05m
1 stop
£523Multiple Airlines
Mon, 2 Mar - Mon, 9 Mar
Multiple Airlines Logo
05:50 - 15:25
LTN
-
PHL
14h 35m
2 stops
Multiple Airlines Logo
16:35 - 16:45
PHL
-
LTN
20h 10m
2 stops
£534Multiple Airlines
Fri, 27 Feb - Sun, 8 Mar
Multiple Airlines Logo
05:50 - 15:25
LTN
-
PHL
14h 35m
2 stops
Multiple Airlines Logo
16:35 - 16:45
PHL
-
LTN
20h 10m
2 stops
£535Multiple Airlines
Fri, 27 Feb - Sun, 8 Mar
Multiple Airlines Logo
06:00 - 17:00
LTN
-
PHL
15h 00m
1 stop
Multiple Airlines Logo
18:30 - 08:35
PHL
-
LTN
10h 05m
1 stop
£536Multiple Airlines
Mon, 9 Mar - Mon, 16 Mar
Multiple Airlines Logo
20:00 - 15:25
LTN
-
PHL
24h 25m
2 stops
Multiple Airlines Logo
16:35 - 16:45
PHL
-
LTN
20h 10m
2 stops
£537Multiple Airlines
Thu, 26 Feb - Sun, 8 Mar
Multiple Airlines Logo
09:00 - 16:00
LTN
-
PHL
12h 00m
1 stop
Multiple Airlines Logo
18:30 - 08:35
PHL
-
LTN
10h 05m
1 stop
£542Multiple Airlines
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
06:00 - 17:00
LTN
-
PHL
15h 00m
1 stop
Multiple Airlines Logo
18:30 - 08:35
PHL
-
LTN
10h 05m
1 stop
£546Multiple Airlines
Mon, 9 Mar - Mon, 16 Mar
Multiple Airlines Logo
06:00 - 17:00
LTN
-
PHL
15h 00m
1 stop
Multiple Airlines Logo
18:30 - 08:35
PHL
-
LTN
10h 05m
1 stop
£548Multiple Airlines
Mon, 9 Mar - Mon, 16 Mar
Multiple Airlines Logo
09:00 - 17:00
LTN
-
PHL
12h 00m
1 stop
Multiple Airlines Logo
18:30 - 08:45
PHL
-
LTN
10h 15m
1 stop
£557Multiple Airlines
Thu, 12 Mar - Thu, 19 Mar

momondo Fare Finder

 
Customise your flight search to find flights from London Luton Airport to Philadelphia 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, momondo users made 279,928 searches. Data last updated 8 February 2026.
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 26/3

09:00-17:00

1 stop12h 00m

Philadelphia

Sun 29/3

20:25-11:25

1 stop10h 00m

£454

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 2/3

08:50-16:00

1 stop12h 10m

Philadelphia

Mon 9/3

18:30-08:35

1 stop10h 05m

£523

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 27/2

05:50-15:25

2 stops14h 35m

Philadelphia

Sun 8/3

16:35-16:45

2 stops20h 10m

£534

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Fri 27/2

05:50-15:25

2 stops14h 35m

Philadelphia

Sun 8/3

16:35-16:45

2 stops20h 10m

£535

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

£536

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 26/2

20:00-15:25

2 stops24h 25m

Philadelphia

Sun 8/3

16:35-16:45

2 stops20h 10m

£537

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 5/3

09:00-16:00

1 stop12h 00m

Philadelphia

Mon 9/3

18:30-08:35

1 stop10h 05m

£542

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

£546

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

£548

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 12/3

09:00-17:00

1 stop12h 00m

Philadelphia

Thu 19/3

18:30-08:45

1 stop10h 15m

£557

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Philadelphia from

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 £592. 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 £645.

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 £614. In the morning is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £616 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

11h 05m

Direct flights

None
The fastest flight from London Luton Airport to Philadelphia takes 11h 05m
There are no direct flights from London Luton Airport to Philadelphia. There are no popular flight routes from London Luton Airport to Philadelphia.
Search flight deals

  • How far is London Luton to Philadelphia by plane?

    London Luton and Philadelphia are 3521.0 mi apart from one another. 11h 05m 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.

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Reading
Newark
Vineland
King of Prussia
Dover
Essington
Cape May
Rehoboth Beach
Cherry Hill
Dewey Beach

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.

An easier way to manage your Philadelphia trip

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