What airlines fly to Philadelphia?

British Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to Philadelphia from London according to our data. British Airways is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 12 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

How many flights depart from London to Philadelphia on average per week?

The number of flights available between London and Philadelphia is 100 per week as of July 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

How many flights depart from London to Philadelphia on average per day?

The number of flights available between London and Philadelphia is 14 per day as of July 2025. The most frequent departure time is 10:00AM, with 66% of daily flights leaving in the afternoon.

When did momondo last update prices for flights from London to Philadelphia Airport?

Prices for flights from London to Philadelphia Airport are updated daily.

How many operators does momondo search for flights from London to Philadelphia Airport?

There are 5 operators available for flights from London to Philadelphia Airport as of July 2025.

How old do you have to be to fly from London 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 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.

$249 Cheap Flights from London to Philadelphia in 2025

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Find the cheapest flights from London to Philadelphia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

2:00 pm - 11:59 pmLGW-PHL

14h 59m1 stop

8:30 pm - 10:00 amPHL-LGW

32h 30m1 stop

$408

Find Deal

Thu, Oct 2 - Mon, Oct 6

2:00 pm - 12:53 pmLGW-PHL

27h 53m1 stop

5:30 am - 10:10 amPHL-LGW

23h 40m1 stop

$410

Find Deal

Sun, Sep 14 - Sun, Oct 19

2:00 pm - 11:59 pmLGW-PHL

14h 59m1 stop

8:30 pm - 10:10 amPHL-LGW

32h 40m1 stop

$431

Find Deal

Thu, Sep 11 - Sat, Sep 13

12:10 pm - 9:40 amLGW-PHL

26h 30m1 stop

10:20 am - 9:35 amPHL-LGW

18h 15m1 stop

$511JetBlue

Find Deal

Wed, Aug 27 - Tue, Sep 16

12:10 pm - 9:40 amLGW-PHL

26h 30m1 stop

3:10 pm - 9:35 amPHL-LGW

13h 25m1 stop

$538JetBlue

Find Deal

Wed, Aug 27 - Wed, Sep 3

12:10 pm - 9:40 amLGW-PHL

26h 30m1 stop

3:55 pm - 9:35 amPHL-LGW

12h 40m1 stop

$543Icelandair

Find Deal

Mon, Sep 1 - Mon, Sep 8

12:10 pm - 9:50 pmLGW-PHL

14h 40m1 stop

3:55 pm - 9:35 amPHL-LGW

12h 40m1 stop

$559Icelandair

Find Deal

Thu, Sep 11 - Thu, Sep 18

1:25 pm - 7:00 pmLHR-PHL

10h 35m1 stop

8:30 pm - 11:10 amPHL-LHR

9h 40m1 stop

$586Aer Lingus

Find Deal

Mon, Sep 1 - Wed, Sep 10

7:50 am - 1:55 pmLHR-PHL

11h 05m1 stop

6:51 pm - 9:15 amPHL-LHR

9h 24m1 stop

$612British Airways

Find Deal

Wed, Nov 12 - Thu, Nov 20

8:30 pm - 11:55 amLCY-PHL

20h 25m1 stop

6:50 pm - 12:45 pmPHL-LCY

12h 55m1 stop

$685British Airways

Find Deal

Mon, Sep 1 - Mon, Sep 8

Icelandair flights from London to Philadelphia

Our best Icelandair deals on London to Philadelphia flight tickets

Icelandair

Sep 1

LGW12:10 pmLondon Gatwick

26h 30m

1 stop

PHL9:40 amPhiladelphia

Sep 8

PHL3:55 pmPhiladelphia

12h 40m

1 stop

LGW9:35 amLondon Gatwick

$543

Find similar

Icelandair

Sep 11

LGW12:10 pmLondon Gatwick

14h 40m

1 stop

PHL9:50 pmPhiladelphia

Sep 18

PHL3:55 pmPhiladelphia

12h 40m

1 stop

LGW9:35 amLondon Gatwick

$559

Find similar

Icelandair

Sep 1

LHR8:25 amLondon Heathrow

30h 15m

1 stop

PHL9:40 amPhiladelphia

Sep 8

PHL6:10 pmPhiladelphia

31h 20m

1 stop

LHR6:30 amLondon Heathrow

$583

Find similar

JetBlue flights from London to Philadelphia

Our best JetBlue deals on London to Philadelphia flight tickets

JetBlue

Aug 27

LGW12:10 pmLondon Gatwick

26h 30m

1 stop

PHL9:40 amPhiladelphia

Sep 16

PHL10:20 amPhiladelphia

18h 15m

1 stop

LGW9:35 amLondon Gatwick

$511

Find similar

JetBlue

Aug 27

LGW12:10 pmLondon Gatwick

26h 30m

1 stop

PHL9:40 amPhiladelphia

Sep 3

PHL3:10 pmPhiladelphia

13h 25m

1 stop

LGW9:35 amLondon Gatwick

$538

Find similar

JetBlue

Sep 27

LGW12:10 pmLondon Gatwick

14h 40m

1 stop

PHL9:50 pmPhiladelphia

Sep 30

PHL3:55 pmPhiladelphia

12h 40m

1 stop

LGW9:35 amLondon Gatwick

$551

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 10/2

2:00 pm-11:59 pm

1 stop14h 59m

Philadelphia

Mon 10/6

8:30 pm-10:00 am

1 stop32h 30m

$408

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Sun 9/14

2:00 pm-12:53 pm

1 stop27h 53m

Philadelphia

Sun 10/19

5:30 am-10:10 am

1 stop23h 40m

$410

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 9/11

2:00 pm-11:59 pm

1 stop14h 59m

Philadelphia

Sat 9/13

8:30 pm-10:10 am

1 stop32h 40m

$431

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 8/27

12:10 pm-9:40 am

1 stop26h 30m

Philadelphia

Tue 9/16

10:20 am-9:35 am

1 stop18h 15m

$511

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 8/27

12:10 pm-9:40 am

1 stop26h 30m

Philadelphia

Wed 9/3

3:10 pm-9:35 am

1 stop13h 25m

$538

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 9/1

12:10 pm-9:40 am

1 stop26h 30m

Philadelphia

Mon 9/8

3:55 pm-9:35 am

1 stop12h 40m

$543

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 9/11

12:10 pm-9:50 pm

1 stop14h 40m

Philadelphia

Thu 9/18

3:55 pm-9:35 am

1 stop12h 40m

$559

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 9/1

1:25 pm-7:00 pm

1 stop10h 35m

Philadelphia

Wed 9/10

8:30 pm-11:10 am

1 stop9h 40m

$586

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 11/12

7:50 am-1:55 pm

1 stop11h 05m

Philadelphia

Thu 11/20

6:51 pm-9:15 am

1 stop9h 24m

$612

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Mon 9/1

8:30 pm-11:55 am

1 stop20h 25m

Philadelphia

Mon 9/8

6:50 pm-12:45 pm

1 stop12h 55m

$685

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London 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

Prices

Airlines

Other information

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from London is in February. Flight prices, which tend to average around $663, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Philadelphia, with average flight prices from London averaging around $678.

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

The cheapest day to depart from London to Philadelphia is on a Tuesday. Travelers who choose to depart for Philadelphia on a Tuesday will often find tickets for as low as $758. On the other hand, Friday is the most expensive day to depart from London because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $910.

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 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 at noon when prices are around $822.

What is the cheapest London to Philadelphia flight route?

Fly from London Heathrow to Philadelphia for the best London - Philadelphia flight prices

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $753 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from London for as low as $685 on momondo.

What cabin class options are available on London to Philadelphia flights?

There are 4 cabin classes available to choose from on London to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Philadelphia flights?

You could potentially save up to 36% on your flight if you consider stops on a London to Philadelphia flight.

How have London to Philadelphia flight prices changed over time?

As of July 2025, prices for London to Philadelphia flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from London to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from London to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London to Philadelphia (LON to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Philadelphia

Best Price Found	$249
Fastest flight time	10h 30m
Direct flights	Every day
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from London in the past 72 hours is $249. The best round-trip flight deal from London to Philadelphia found on momondo in the last 72 hours is $408.

The fastest flight from London to Philadelphia takes 10h 30m

Direct flights go from London to Philadelphia every day.

There is 1 airport near Philadelphia: Philadelphia (PHL)

Search flight deals

How far is London to Philadelphia by plane?
There are 3538.9 mi between London and Philadelphia. 10h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from London to Philadelphia Airport?
Prices for flights from London to Philadelphia Airport are updated daily.
How many operators does momondo search for flights from London to Philadelphia Airport?
There are 5 operators available for flights from London to Philadelphia Airport as of July 2025.
How old do you have to be to fly from London 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 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.
What is the most popular plane model from London to Philadelphia?
Based on momondo bookings for flights between London and Philadelphia, the leading plane model is Airbus A350-1000, making up 58.92% of the total bookings. Other popular models include Airbus A319 with 8.68%, Boeing 777 with 5.17%, and Boeing 787-9 Dreamliner with 4.28%.
What is the most popular airline from London to Philadelphia?
Based on momondo bookings for flights between London and Philadelphia, the leading airline is British Airways, making up 50% of the total bookings. Other popular airlines include American Airlines with 24%, Iberia with 13%, and Finnair with 9%.

Best airlines flying from London to Philadelphia

Compare and see reviews for airlines that fly from London to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $559	Free Cancellation	Rating 7.0 2,859 reviews	Search Iberia flights
American Airlines	PriceFrom $596	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
British Airways	PriceFrom $600	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
Finnair	PriceFrom $648	Free Cancellation	Rating 7.6 1,316 reviews	Search Finnair flights
Aer Lingus	PriceFrom $670	Free Cancellation	Rating 7.1 1,192 reviews	Search Aer Lingus flights

Finnair Flights From London to Philadelphia
Finnair flight deals from London to Philadelphia start from $648 round-trip. Over the 20 Finnair flights for this route in a normal week, average airfare is usually $767 round-trip - but some users have found much cheaper deals with momondo.
American Airlines Flights From London to Philadelphia
Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from London to Philadelphia about 20 times each week, with ticket deals ranging from $596 to $762. Price data is based on momondo searches in the last 72 hours.

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Why use momondo?

Why should I use momondo to find a flight deal from London to Philadelphia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from London.

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?

Price alerts on flights to Philadelphia from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.