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LTN - PHL

Find cheap flights from London Luton Airport to Philadelphia from £216

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Luton to Philadelphia departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 6/6
Thu 13/6

Search hundreds of travel sites at once for deals on flights to Philadelphia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Philadelphia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Philadelphia, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,707,506 times on KAYAK, and here's why:

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Cheap flight deals from Luton to Philadelphia (LTN-PHL)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Luton to Philadelphia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
08:45 - 19:04LTN-PHL
39h 19m2 stops
07:45 - 22:15PHL-LTN
33h 30m2 stops
Sat, 7 Sep - Fri, 13 Sep
06:05 - 16:05LTN-PHL
15h 00m1 stop
21:05 - 19:30PHL-LTN
17h 25m1 stop
Tue, 18 Jun - Wed, 26 Jun
06:05 - 16:05LTN-PHL
15h 00m1 stop
18:36 - 18:10PHL-LTN
18h 34m2 stops
Sat, 8 Jun - Sat, 15 Jun
06:05 - 16:05LTN-PHL
15h 00m1 stop
21:05 - 18:20PHL-LTN
16h 15m1 stop
Fri, 28 Jun - Tue, 2 Jul
06:00 - 22:57LTN-PHL
45h 57m3 stops
11:23 - 22:35PHL-LTN
30h 12m3 stops
Mon, 22 Jul - Wed, 14 Aug
06:00 - 12:55LTN-PHL
11h 55m1 stop
18:30 - 12:40PHL-LTN
13h 10m1 stop
Mon, 3 Jun - Mon, 10 Jun
06:50 - 23:27LTN-PHL
45h 37m3 stops
11:23 - 22:35PHL-LTN
30h 12m3 stops
Sun, 28 Jul - Wed, 14 Aug
06:30 - 21:08LTN-PHL
43h 38m3 stops
11:23 - 22:35PHL-LTN
30h 12m3 stops
Fri, 26 Jul - Wed, 14 Aug
06:30 - 21:19LTN-PHL
43h 49m2 stops
11:23 - 22:35PHL-LTN
30h 12m3 stops
Fri, 26 Jul - Wed, 14 Aug
06:00 - 16:00LTN-PHL
15h 00m2 stops
11:23 - 22:35PHL-LTN
30h 12m3 stops
£1,248
Find Deal
Wed, 24 Jul - Wed, 14 Aug

Flights from Luton to Philadelphia - Travel Insights & Trends

Get data-powered insights and trends into flights from Luton to Philadelphia to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from London Luton Airport to Philadelphia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from London Luton Airport to Philadelphia is November, where tickets cost £506 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is £690 and £676 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from London Luton Airport to Philadelphia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from London Luton Airport to Philadelphia, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 28 days before departure.

Good to know - Cheap tickets from London Luton Airport to Philadelphia

Cheapest flight

£216
Flight from London Luton Airport to Philadelphia

When to book flights from Luton to Philadelphia

Are your dates flexible? Find out the best times to travel from Luton to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Luton Airport to Philadelphia flights

  • What is the cheapest flight from London Luton Airport to Philadelphia?

    In the last 3 days, the lowest price for a flight from London Luton Airport to Philadelphia was £271 for a one-way ticket and £934 for a return.

  • Which aircraft models fly most regularly from London Luton Airport to Philadelphia?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from London Luton Airport to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Luton Airport to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Luton Airport to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from London Luton Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Luton Airport to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Philadelphia with an airline and back to London Luton Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Luton Airport to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from London Luton Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from London to Philadelphia

Cheapest flights to Philadelphia from London found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from London to Philadelphia found on KAYAK in the last 72 hours.
15/5Wed
2 stops
32h 43mLTN-PHL
£216
18/6Tue
3 stops
56h 46mLTN-PHL
£229
10/6Mon
2 stops
46h 36mLTN-PHL
£238
17/5Fri
2 stops
37h 03mLTN-PHL
£239
12/6Wed
3 stops
53h 15mLTN-PHL
£240
5/6Wed
3 stops
45h 51mLTN-PHL
£242
11/6Tue
2 stops
25h 36mLTN-PHL
£251
30/8Fri
2 stops
34h 12mLTN-PHL
£252
17/9Tue
2 stops
25h 57mLTN-PHL
£257
28/5Tue
3 stops
56h 18mLTN-PHL
£258

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Last minute flights from Luton to Philadelphia

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from London to Philadelphia that are departing in the next 10 days.
10/5Fri
multi-stop
24h 35mLTN-PHL
17/5Fri
multi-stop
11h 30mPHL-LTN
£1,003
10/5Fri
multi-stop
29h 35mLTN-PHL
17/5Fri
multi-stop
21h 40mPHL-LTN
£2,114

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London Luton Airport - Philadelphia Flights

Departure:

London Luton Airport (undefined)United Kingdom

Destination:

Philadelphia (PHL)United States

Return flight deals:

Philadelphia - London Luton Airport

Cabin classes: