Cheap flights from London Luton Airport to Philadelphia from $492

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 11/22. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from London Luton Airport to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:25 am - 9:48 pmLTN-PHL
16h 23m2 stops
Multiple Airlines Logo
5:30 pm - 8:35 amPHL-LTN
10h 05m1 stop
$712Multiple Airlines
Find Deal
ven., déc. 5 - mer., déc. 10
Multiple Airlines Logo
2:40 pm - 1:40 pmLTN-PHL
28h 00m2 stops
Multiple Airlines Logo
7:55 pm - 8:20 pmPHL-LTN
19h 25m1 stop
$778Multiple Airlines
Find Deal
mer., déc. 3 - mar., déc. 9
Multiple Airlines Logo
2:40 pm - 4:05 pmLTN-PHL
30h 25m3 stops
Multiple Airlines Logo
5:40 pm - 8:20 pmPHL-LTN
21h 40m2 stops
$783Multiple Airlines
Find Deal
mer., déc. 3 - mar., déc. 9
Multiple Airlines Logo
7:50 am - 10:46 pmLTN-PHL
19h 56m3 stops
Multiple Airlines Logo
3:30 pm - 8:10 pmPHL-LTN
23h 40m2 stops
$839Multiple Airlines
Find Deal
lun., févr. 9 - lun., févr. 16
Multiple Airlines Logo
8:00 am - 10:46 pmLTN-PHL
19h 46m3 stops
Multiple Airlines Logo
3:30 pm - 12:30 pmPHL-LTN
16h 00m3 stops
$858Multiple Airlines
Find Deal
mar., déc. 2 - lun., déc. 8
Multiple Airlines Logo
8:05 am - 4:00 pmLTN-PHL
12h 55m1 stop
Multiple Airlines Logo
8:40 am - 4:45 pmPHL-LTN
27h 05m2 stops
$905Multiple Airlines
Find Deal
dim., déc. 14 - dim., janv. 4
Multiple Airlines Logo
8:05 am - 4:00 pmLTN-PHL
12h 55m1 stop
Multiple Airlines Logo
8:40 am - 4:45 pmPHL-LTN
27h 05m2 stops
$907Multiple Airlines
Find Deal
dim., déc. 14 - dim., janv. 4
Multiple Airlines Logo
6:50 am - 4:00 pmLTN-PHL
14h 10m1 stop
Multiple Airlines Logo
9:10 pm - 8:45 amPHL-LTN
30h 35m2 stops
$910Multiple Airlines
Find Deal
mer., déc. 10 - mer., déc. 17
Multiple Airlines Logo
6:00 am - 4:00 pmLTN-PHL
15h 00m1 stop
Multiple Airlines Logo
5:30 pm - 7:35 amPHL-LTN
9h 05m1 stop
$918Multiple Airlines
Find Deal
sam., déc. 6 - sam., déc. 13
Multiple Airlines Logo
6:50 am - 6:10 pmLTN-PHL
40h 20m2 stops
Multiple Airlines Logo
5:30 pm - 8:35 amPHL-LTN
10h 05m1 stop
$929Multiple Airlines
Find Deal
mer., déc. 17 - mer., déc. 31

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated novembre 12, 2025.
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

ven. 12/5

10:25 am-9:48 pm

2 stops16h 23m

Philadelphia

mer. 12/10

5:30 pm-8:35 am

1 stop10h 05m

$712

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

mer. 12/3

2:40 pm-1:40 pm

2 stops28h 00m

Philadelphia

mar. 12/9

7:55 pm-8:20 pm

1 stop19h 25m

$778

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

mer. 12/3

2:40 pm-4:05 pm

3 stops30h 25m

Philadelphia

mar. 12/9

5:40 pm-8:20 pm

2 stops21h 40m

$783

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

lun. 2/9

7:50 am-10:46 pm

3 stops19h 56m

Philadelphia

lun. 2/16

3:30 pm-8:10 pm

2 stops23h 40m

$839

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

mar. 12/2

8:00 am-10:46 pm

3 stops19h 46m

Philadelphia

lun. 12/8

3:30 pm-12:30 pm

3 stops16h 00m

$858

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

dim. 12/14

8:05 am-4:00 pm

1 stop12h 55m

Philadelphia

dim. 1/4

8:40 am-4:45 pm

2 stops27h 05m

$905

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

dim. 12/14

8:05 am-4:00 pm

1 stop12h 55m

Philadelphia

dim. 1/4

8:40 am-4:45 pm

2 stops27h 05m

$907

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

mer. 12/10

6:50 am-4:00 pm

1 stop14h 10m

Philadelphia

mer. 12/17

9:10 pm-8:45 am

2 stops30h 35m

$910

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

sam. 12/6

6:00 am-4:00 pm

1 stop15h 00m

Philadelphia

sam. 12/13

5:30 pm-7:35 am

1 stop9h 05m

$918

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

mer. 12/17

6:50 am-6:10 pm

2 stops40h 20m

Philadelphia

mer. 12/31

5:30 pm-8:35 am

1 stop10h 05m

$929

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

The cheapest day to depart from London Luton Airport to Philadelphia is on a Tuesday. Travelers who choose to depart for Philadelphia on a Tuesday will often find tickets for as low as $766. On the other hand, Monday is the most expensive day to depart from London Luton Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $890.

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

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from London Luton Airport to Philadelphia in the evening for as low as $704. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the morning when prices are around $820.

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 round-trip 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.
  • How far is London Luton to Philadelphia by plane?

    Philadelphia is 3521.0 mi away from London Luton. By plane, this route typically takes 9h 55m.

  • 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 refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Ocean City
Wildwood Crest
King of Prussia
Cherry Hill
Dewey Beach
Newark
Reading
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Essington
Vineland
Pottstown
New Castle
Somers Point

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?

Flights from London to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential London to Philadelphia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from London and alert you when they change.

An easier way to manage your Philadelphia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
ven. 12/12
ven. 12/19

Find better results for your trip to the United States