What is the cheapest month to book a flight from Philadelphia to London Luton Airport?

Currently, January is the cheapest month in which you can book a flight from Philadelphia to London Luton Airport (average of £76). Flying from Philadelphia to London Luton Airport in July is currently the most expensive (average of £113). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in London Luton Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Luton Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Luton Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

Travelers have found it’s best to book a flight 57 days in advance to save up to 22% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 57 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Philadelphia to London Luton Airport 1-2 weeks in advance for as low as £511, or £630 for flights within the next 24 hours.

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

The best pricing can be found in the month of February. Prices to London Luton Airport from Philadelphia average £586. You can even find prices in February for less than £586, as users have found deals to London Luton Airport from as low as £379. The month of June appears to be one of the more expensive times to travel to London Luton Airport from Philadelphia. Flying in the targeted month can save you up to 43%.

What is the cheapest time of day to fly from PHL to LTN?

When flying from Philadelphia to London Luton Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Philadelphia to London Luton?

If you book a flight to London Luton from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 0 flights from Philadelphia to London Luton per day from 0 different airlines.

Can I find deals for flights from Philadelphia to Luton that include hotel bookings?

Yes. In addition to deals on Philadelphia to Luton flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Philadelphia to Luton?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Luton.

Can I find deals for business class flights from Philadelphia to Luton?

Yes. Cheapflights offers flight deals from Philadelphia to Luton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£229+ Cheap Flights from Philadelphia to London Luton Airport

Cheap flight deals from Philadelphia to Luton

Round-trip from	£442
One-way from	£229
Popular in	June
Cheapest in	February
Average price	£505

7/10-14/10
2 total stops
25h 05m total
Philadelphia to London

Search Deals

24/10
3 total stops
35h 20m total
Philadelphia to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£100 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

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Find flight deals from Philadelphia to Luton

Cheapest flights from Philadelphia to Luton
Explore the most affordable flight options available from Philadelphia to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Tue 7/1020:30PHL - LTN

1 stop11h 05mMultiple Airlines

Tue 14/1010:00LTN - PHL

1 stop14h 00mMultiple Airlines

Deal found 14/8£442

Wed 17/920:30PHL - LTN

1 stop13h 55mMultiple Airlines

Fri 26/911:30LTN - PHL

1 stop12h 30mMultiple Airlines

Deal found 13/8£455

Tue 4/1117:30PHL - LTN

1 stop11h 15mMultiple Airlines

Mon 10/1106:00LTN - PHL

1 stop15h 00mMultiple Airlines

Deal found 13/8£457

Wed 22/1020:30PHL - LTN

1 stop19h 15mMultiple Airlines

Mon 3/1108:50LTN - PHL

1 stop12h 10mMultiple Airlines

Deal found 14/8£462

Mon 6/1017:35PHL - LTN

2 stops24h 45mMultiple Airlines

Tue 14/1018:10LTN - PHL

2 stops26h 50mMultiple Airlines

Deal found 14/8£480

Thu 9/1020:30PHL - LTN

1 stop15h 05mMultiple Airlines

Tue 14/1010:00LTN - PHL

1 stop14h 00mMultiple Airlines

Deal found 14/8£490

Wed 8/1020:30PHL - LTN

1 stop13h 55mMultiple Airlines

Mon 13/1009:00LTN - PHL

1 stop15h 00mMultiple Airlines

Deal found 12/8£491

Wed 1/1020:30PHL - LTN

1 stop19h 15mMultiple Airlines

Thu 9/1012:35LTN - PHL

1 stop11h 25mMultiple Airlines

Deal found 13/8£492

Fri 7/1117:30PHL - LTN

1 stop16h 50mMultiple Airlines

Tue 11/1109:00LTN - PHL

1 stop12h 00mMultiple Airlines

Deal found 13/8£493

Best flights from Philadelphia to Luton
Discover carefully curated flight deals from Philadelphia to Luton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 August 2025.

Tue 7/1020:30PHL - LTN

1 stop11h 05mMultiple Airlines

Tue 14/1010:00LTN - PHL

1 stop14h 00mMultiple Airlines

Deal found 14/8£442

Wed 17/920:30PHL - LTN

1 stop13h 55mMultiple Airlines

Fri 26/911:30LTN - PHL

1 stop12h 30mMultiple Airlines

Deal found 13/8£455

Tue 4/1117:30PHL - LTN

1 stop11h 15mMultiple Airlines

Mon 10/1106:00LTN - PHL

1 stop15h 00mMultiple Airlines

Deal found 13/8£457

Wed 22/1020:30PHL - LTN

1 stop19h 15mMultiple Airlines

Mon 3/1108:50LTN - PHL

1 stop12h 10mMultiple Airlines

Deal found 14/8£462

Mon 6/1017:35PHL - LTN

2 stops24h 45mMultiple Airlines

Tue 14/1018:10LTN - PHL

2 stops26h 50mMultiple Airlines

Deal found 14/8£480

Thu 9/1020:30PHL - LTN

1 stop15h 05mMultiple Airlines

Tue 14/1010:00LTN - PHL

1 stop14h 00mMultiple Airlines

Deal found 14/8£490

Wed 8/1020:30PHL - LTN

1 stop13h 55mMultiple Airlines

Mon 13/1009:00LTN - PHL

1 stop15h 00mMultiple Airlines

Deal found 12/8£491

Fri 7/1109:20PHL - LTN

2 stops25h 00mMultiple Airlines

Mon 10/1113:50LTN - PHL

2 stops31h 15mMultiple Airlines

Deal found 14/8£492

Wed 1/1020:30PHL - LTN

1 stop19h 15mMultiple Airlines

Thu 9/1012:35LTN - PHL

1 stop11h 25mMultiple Airlines

Deal found 13/8£492

Last-minute flights from Philadelphia to Luton
Discover last-minute flight deals from Philadelphia to Luton. Data last updated 15 August 2025 and is based on user searches.

Wed 20/818:45PHL - LTN

3 stops21h 00mMultiple Airlines

Mon 25/809:00LTN - PHL

3 stops36h 00mMultiple Airlines

Deal found 14/8£792

Wed 20/818:45PHL - LTN

2 stops23h 10mMultiple Airlines

Wed 27/818:15LTN - PHL

2 stops27h 55mMultiple Airlines

Deal found 14/8£892

Thu 21/807:30PHL - LTN

2 stops22h 35mMultiple Airlines

Mon 25/821:55LTN - PHL

2 stops29h 12mMultiple Airlines

Deal found 14/8£809

Sun 24/820:30PHL - LTN

2 stops20h 35mMultiple Airlines

Tue 2/921:50LTN - PHL

3 stops29h 18mMultiple Airlines

Deal found 14/8£757

Mon 25/820:30PHL - LTN

2 stops19h 30mMultiple Airlines

Wed 3/909:05LTN - PHL

2 stops14h 55mMultiple Airlines

Deal found 12/8£731

Mon 25/815:20PHL - LTN

2 stops18h 25mMultiple Airlines

Sun 31/807:05LTN - PHL

2 stops20h 02mMultiple Airlines

Deal found 14/8£832

Wed 3/917:35PHL - LTN

2 stops24h 25mMultiple Airlines

Wed 10/906:00LTN - PHL

2 stops15h 00mMultiple Airlines

Deal found 13/8£587

Thu 4/916:50PHL - LTN

2 stops15h 15mMultiple Airlines

Mon 8/921:55LTN - PHL

2 stops29h 13mMultiple Airlines

Deal found 14/8£568

Thu 4/909:20PHL - LTN

3 stops31h 50mMultiple Airlines

Thu 25/921:10LTN - PHL

3 stops28h 45mMultiple Airlines

Deal found 14/8£573

Sun 7/920:30PHL - LTN

1 stop14h 10mMultiple Airlines

Fri 12/921:05LTN - PHL

3 stops30h 03mMultiple Airlines

Deal found 13/8£592

Fri 12/915:25PHL - LTN

2 stops17h 10mMultiple Airlines

Fri 19/921:05LTN - PHL

2 stops22h 33mMultiple Airlines

Deal found 13/8£572

Tue 16/920:30PHL - LTN

2 stops20h 55mMultiple Airlines

Sun 21/919:25LTN - PHL

2 stops28h 35mMultiple Airlines

Deal found 13/8£608

One-way flights from Philadelphia to Luton
Search for one-way flight options from Philadelphia to Luton. Find affordable one-way fares based on user searches. Data last updated 15 August 2025.

Fri 24/1005:25PHL - LTN

3 stops35h 20mMultiple Airlines

Deal found 13/8£229

Sun 21/918:02PHL - LTN

3 stops40h 58mMultiple Airlines

Deal found 13/8£239

Sun 5/1005:20PHL - LTN

3 stops29h 20mMultiple Airlines

Deal found 14/8£245

Wed 15/1021:14PHL - LTN

3 stops38h 01mMultiple Airlines

Deal found 14/8£253

Sat 18/1005:25PHL - LTN

3 stops27h 10mMultiple Airlines

Deal found 13/8£263

Sat 27/915:25PHL - LTN

3 stops18h 40mMultiple Airlines

Deal found 13/8£268

Mon 15/905:15PHL - LTN

3 stops36h 00mMultiple Airlines

Deal found 12/8£269

Fri 19/906:15PHL - LTN

3 stops28h 30mMultiple Airlines

Deal found 14/8£273

Mon 8/906:15PHL - LTN

3 stops21h 45mMultiple Airlines

Deal found 14/8£275

Fri 12/921:50PHL - LTN

3 stops30h 40mMultiple Airlines

Deal found 13/8£280

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 7/10

20:30-12:35

1 stop11h 05m

London Luton

Tue 14/10

10:00-19:00

1 stop14h 00m

£442

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 17/9

20:30-15:25

1 stop13h 55m

London Luton

Fri 26/9

11:30-19:00

1 stop12h 30m

£455

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 4/11

17:30-09:45

1 stop11h 15m

London Luton

Mon 10/11

06:00-16:00

1 stop15h 00m

£457

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 22/10

20:30-20:45

1 stop19h 15m

London Luton

Mon 3/11

08:50-16:00

1 stop12h 10m

£462

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Mon 6/10

17:35-23:20

2 stops24h 45m

London Luton

Tue 14/10

18:10-16:00

2 stops26h 50m

£480

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Thu 9/10

20:30-16:35

1 stop15h 05m

London Luton

Tue 14/10

10:00-19:00

1 stop14h 00m

£490

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 8/10

20:30-15:25

1 stop13h 55m

London Luton

Mon 13/10

09:00-19:00

1 stop15h 00m

£491

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Fri 7/11

09:20-15:20

2 stops25h 00m

London Luton

Mon 10/11

13:50-16:05

2 stops31h 15m

£492

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 1/10

20:30-20:45

1 stop19h 15m

London Luton

Thu 9/10

12:35-19:00

1 stop11h 25m

£492

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Fri 24/10

05:25-21:45

3 stops35h 20m

£229

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 17 results

Best time to book a flight from Philadelphia to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Philadelphia with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly from for flights from Philadelphia to London Luton?
If you book a flight to London Luton from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 0 flights from Philadelphia to London Luton per day from 0 different airlines.
Can I find deals for flights from Philadelphia to Luton that include hotel bookings?
Yes. In addition to deals on Philadelphia to Luton flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Philadelphia to Luton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Luton.
Can I find deals for business class flights from Philadelphia to Luton?
Yes. Cheapflights offers flight deals from Philadelphia to Luton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Philadelphia to London Luton Airport?
Currently, January is the cheapest month in which you can book a flight from Philadelphia to London Luton Airport (average of £76). Flying from Philadelphia to London Luton Airport in July is currently the most expensive (average of £113). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Hounslow

Gatwick

Slough

Deal

Luton

Wembley

Crawley

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Hayes

Ipswich

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Winchester

Folkestone

Eastbourne

Maidstone

Watford

Chichester

Dartford

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How does Cheapflights help users find flights from Philadelphia to Luton?

Deals for Philadelphia to Luton flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Luton?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Luton from Philadelphia.

Can Cheapflights find flights from Philadelphia to Luton with no change fees?

Yes! Cheapflights helps users easily find flights from Philadelphia to Luton with no change fees.

Can Cheapflights notify me if prices for flights from Philadelphia to Luton become cheaper?

Not ready to book yet? You can track prices for flights from Philadelphia to Luton on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Philadelphia to London Luton Airport from £229

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Philadelphia to Luton

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Philadelphia to Luton

Cheapest flights from Philadelphia to LutonExplore the most affordable flight options available from Philadelphia to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Explore the most affordable flight options available from Philadelphia to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to London Luton Airport that are best for you.

Best time to book a flight from Philadelphia to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Philadelphia with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Luton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Philadelphia to London Luton?

Can I find deals for flights from Philadelphia to Luton that include hotel bookings?

How can I find direct flights from Philadelphia to Luton?

Can I find deals for business class flights from Philadelphia to Luton?

What is the cheapest month to book a flight from Philadelphia to London Luton Airport?

Travelling to a place near London Luton Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Philadelphia to Luton

See prices for flight routes from nearby airports that may be better suited for you.

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How does Cheapflights help users find flights from Philadelphia to Luton?

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Luton?

Can Cheapflights find flights from Philadelphia to Luton with no change fees?

Can Cheapflights notify me if prices for flights from Philadelphia to Luton become cheaper?

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Cheapest flights from Philadelphia to Luton
Explore the most affordable flight options available from Philadelphia to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.