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

As of December 2025, there are 7 flights per day flying from Philadelphia to London. The most common time of day flights depart is 18:00, with 100% of flights taking off in the evening.

Which stopover airport has the shortest connection time from Philadelphia to London?

Dublin (DUB) has the shortest average stopover time for this route: 1h 33m.

What is the cheapest airline that flies from Philadelphia to London?

JetBlue is the most popular carrier operating from Philadelphia to London

Which airlines fly to London?

British Airways, Virgin Atlantic and United Airlines are the top three most popular airlines that fly to London from Philadelphia according to our data. British Airways is the first choice among our users, with 40% of people opting to fly with this airline when travelling to London. Keep in mind that there are 13 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular for stopovers for flights between Philadelphia and London?

Dublin (DUB) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest travel time from Philadelphia to London?

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 9h 38m.

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

As of December 2025, 50 flights take off from Philadelphia and land in London each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

Which stopover airport offers the lowest fares from Philadelphia to London?

Flights via Dublin (DUB) offer the lowest average return price of £603.

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

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

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

As of December 2025, there are 4 operators available to choose from for flights from Philadelphia Airport to London.

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

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 Philadelphia Airport to London.

What documentation or ID do you need to fly to London?

The travel and health documents you'll need for your trip to London 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 London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£146 Cheap Flights from Philadelphia to London in 2025/26

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09:50 - 10:00

PHL

LGW

19h 10m1 stop

14:00 - 14:56

LGW

PHL

29h 56m2 stops

£458Multiple Airlines

Thu, 26 Feb - Mon, 2 Mar

13:30 - 06:55

PHL

LHR

12h 25m1 stop

09:20 - 18:23

LHR

PHL

14h 03m1 stop

£458JetBlue

Mon, 12 Jan - Tue, 20 Jan

08:40 - 06:55

PHL

LHR

17h 15m1 stop

09:20 - 18:23

LHR

PHL

14h 03m1 stop

£459JetBlue

Tue, 13 Jan - Tue, 20 Jan

15:30 - 19:25

PHL

LGW

22h 55m2 stops

20:15 - 14:47

LGW

PHL

23h 32m3 stops

£460Multiple Airlines

Mon, 12 Jan - Tue, 20 Jan

08:40 - 06:55

PHL

LHR

17h 15m1 stop

09:20 - 18:23

LHR

PHL

14h 03m1 stop

£460JetBlue

Sat, 31 Jan - Sat, 7 Feb

20:43 - 10:00

PHL

LGW

32h 17m1 stop

13:00 - 11:14

LGW

PHL

51h 14m2 stops

£461Multiple Airlines

Sun, 18 Jan - Sun, 25 Jan

17:35 - 17:55

PHL

LCY

19h 20m1 stop

09:15 - 16:00

LCY

PHL

11h 45m1 stop

£547Lufthansa

Sun, 5 Apr - Wed, 6 May

13:10 - 08:45

PHL

LCY

38h 35m2 stops

09:15 - 21:36

LCY

PHL

17h 21m2 stops

£562SWISS

Wed, 14 Jan - Tue, 10 Feb

21:25 - 12:40

PHL

LCY

10h 15m1 stop

07:50 - 15:40

LCY

PHL

12h 50m1 stop

£579British Airways

Wed, 14 Jan - Wed, 21 Jan

17:35 - 18:35

PHL

LCY

20h 00m1 stop

09:15 - 16:00

LCY

PHL

11h 45m1 stop

£581Lufthansa

Thu, 16 Apr - Fri, 24 Apr

Scandinavian Airlines flights from Philadelphia to London

Our best Scandinavian Airlines deals on Philadelphia to London flight tickets

Scandinavian Airlines

13 Jan

PHL11:30Philadelphia

16h 50m

2 stops

LHR09:20London Heathrow

20 Jan

LHR06:40London Heathrow

19h 36m

2 stops

PHL21:16Philadelphia

£492

Find similar

Scandinavian Airlines

27 Jan

PHL11:22Philadelphia

16h 58m

2 stops

LHR09:20London Heathrow

8 Feb

LHR19:30London Heathrow

30h 46m

2 stops

PHL21:16Philadelphia

£511

Find similar

Scandinavian Airlines

26 Feb

PHL06:00Philadelphia

22h 20m

2 stops

LHR09:20London Heathrow

2 Mar

LHR06:40London Heathrow

19h 33m

2 stops

PHL21:13Philadelphia

£517

Find similar

British Airways flights from Philadelphia to London

Our best British Airways deals on Philadelphia to London flight tickets

British Airways

18 Jan

PHL18:35Philadelphia

7h 00m

LHR06:35London Heathrow

24 Feb

LHR06:30London Heathrow

12h 30m

1 stop

PHL14:00Philadelphia

£513

Find similar

British Airways

18 Jan

PHL19:50Philadelphia

7h 00m

LHR07:50London Heathrow

10 Feb

LHR08:25London Heathrow

12h 15m

1 stop

PHL15:40Philadelphia

£520

Find similar

British Airways

14 Jan

PHL21:25Philadelphia

10h 15m

1 stop

LCY12:40London City

21 Jan

LCY07:50London City

12h 50m

1 stop

PHL15:40Philadelphia

£579

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 26/2

09:50-10:00

1 stop19h 10m

London Gatwick

Mon 2/3

14:00-14:56

2 stops29h 56m

£458

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Mon 12/1

13:30-06:55

1 stop12h 25m

London Heathrow

Tue 20/1

09:20-18:23

1 stop14h 03m

£458

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Tue 13/1

08:40-06:55

1 stop17h 15m

London Heathrow

Tue 20/1

09:20-18:23

1 stop14h 03m

£459

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 12/1

15:30-19:25

2 stops22h 55m

London Gatwick

Tue 20/1

20:15-14:47

3 stops23h 32m

£460

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Sat 31/1

08:40-06:55

1 stop17h 15m

London Heathrow

Sat 7/2

09:20-18:23

1 stop14h 03m

£460

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 18/1

20:43-10:00

1 stop32h 17m

London Gatwick

Sun 25/1

13:00-11:14

2 stops51h 14m

£461

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Sun 5/4

17:35-17:55

1 stop19h 20m

London City

Wed 6/5

09:15-16:00

1 stop11h 45m

£547

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Wed 14/1

13:10-08:45

2 stops38h 35m

London City

Tue 10/2

09:15-21:36

2 stops17h 21m

£562

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Wed 14/1

21:25-12:40

1 stop10h 15m

London City

Wed 21/1

07:50-15:40

1 stop12h 50m

£579

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Thu 16/4

17:35-18:35

1 stop20h 00m

London City

Fri 24/4

09:15-16:00

1 stop11h 45m

£581

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to London

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

Stopovers

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Philadelphia is in September. Flight prices, which tend to average around £483, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from Philadelphia averaging around £493.

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

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £501. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to London for around £742.

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

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £498. Flights at midday are often more expensive, with an average ticket price of £739.

What is the cheapest Philadelphia to London flight route?

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

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

You are more likely to see cheaper flights to London from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £615 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Philadelphia for as low as £510 on momondo.

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

There are 3 cabin classes available to choose from on Philadelphia to London 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 Philadelphia to London flights?

You could potentially save up to 55% on your flight if you consider stops on a Philadelphia to London flight.

How have Philadelphia to London flight prices changed over time?

As of December 2025, prices for Philadelphia to London flights are approximately 22% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to London

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

Estimated return price

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

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

Best price found	£653
Fastest flight time	7h 00m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from Philadelphia in the past 72 hours is £653. The best return flight deal from Philadelphia to London found on momondo in the last 72 hours is £383.

The fastest flight from Philadelphia to London takes 7h 00m

Direct flights go from Philadelphia to London every day.

There are 6 airports in London. From Philadelphia there are direct flights to London Heathrow (LHR).

Search flight deals

How far is Philadelphia to London by plane?
The distance between Philadelphia and London is about 3538.9 mi. A reasonable flight in good conditions will take 7h 00m.
When did momondo last update prices for flights from Philadelphia Airport to London?
Prices for flights from Philadelphia Airport to London are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to London?
As of December 2025, there are 4 operators available to choose from for flights from Philadelphia Airport to London.
How old do you have to be to fly from Philadelphia Airport to London?
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 Philadelphia Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London 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 London. 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 Philadelphia to London?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Philadelphia to London is Airbus A350-1000 (45.56% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (43.37%), Boeing 787-8 Dreamliner (3.47%), and Boeing 787 Dreamliner (2.95%).
What is the most popular airline from Philadelphia to London?
Based on momondo bookings for flights between Philadelphia and London, the leading airline is British Airways, making up 49% of the total bookings. Other popular airlines include Iberia with 16%, JetBlue with 14%, and American Airlines with 13%.

Best airlines flying from Philadelphia to London

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £385	Free Cancellation	Rating 6.7 7,586 reviews	Search British Airways flights
Aer Lingus	PriceFrom £393	Free Cancellation	Rating 7.2 1,399 reviews	Search Aer Lingus flights
JetBlue	PriceFrom £428	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
American Airlines	PriceFrom £511	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights

Aer Lingus Flights From Philadelphia to London
The lowest priced Aer Lingus flight from Philadelphia to London from the last 72 hours was £393. Generally, Aer Lingus has 7 flights on this route every week with an average price of £531. Aer Lingus is rated 7.2/10 by our users.
American Airlines Flights From Philadelphia to London
£511 is the best American Airlines flight deal from Philadelphia to London found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to £667, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 11,054 user reviews) flies into London from Philadelphia 8 times in an average week so prices can vary.

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to London. momondo saves you time and could save you money on your trip.

Can I find flights from Philadelphia to London with flexible booking policies on momondo?

Yes. All flights to London from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Philadelphia to London 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 Philadelphia to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Philadelphia to London from £146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to London departing on 1/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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Find the cheapest flights from Philadelphia to London

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Scandinavian Airlines flights from Philadelphia to London

Our best Scandinavian Airlines deals on Philadelphia to London flight tickets

British Airways flights from Philadelphia to London

Our best British Airways deals on Philadelphia to London flight tickets

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

See travel insights to London from

How to get the cheapest flight ticket from Philadelphia to London

What is the cheapest month to fly to London?

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

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £501. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to London for around £742.

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

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £498. Flights at midday are often more expensive, with an average ticket price of £739.

What is the cheapest Philadelphia to London flight route?

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

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

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

There are 3 cabin classes available to choose from on Philadelphia to London 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 Philadelphia to London flights?

You could potentially save up to 55% on your flight if you consider stops on a Philadelphia to London flight.

How have Philadelphia to London flight prices changed over time?

As of December 2025, prices for Philadelphia to London flights are approximately 22% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Philadelphia to London?

JetBlue is the most popular carrier operating from Philadelphia to London

Which airlines fly to London?

Which airport is the most popular for stopovers for flights between Philadelphia and London?

Dublin (DUB) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Philadelphia to London?

Flights via Dublin (DUB) offer the lowest average return price of £603.

Which stopover airport has the shortest travel time from Philadelphia to London?

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 9h 38m.

Which stopover airport has the shortest connection time from Philadelphia to London?

Dublin (DUB) has the shortest average stopover time for this route: 1h 33m.

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

As of December 2025, there are 7 flights per day flying from Philadelphia to London. The most common time of day flights depart is 18:00, with 100% of flights taking off in the evening.

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

As of December 2025, 50 flights take off from Philadelphia and land in London each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

When to book flights from Philadelphia to London

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

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

Best price found

Fastest flight time

Direct flights

Airports in London

How far is Philadelphia to London by plane?

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

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

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

What documentation or ID do you need to fly to London?

What is the most popular plane model from Philadelphia to London?

What is the most popular airline from Philadelphia to London?

Best airlines flying from Philadelphia to London

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

Aer Lingus Flights From Philadelphia to London

American Airlines Flights From Philadelphia to London

Travelling to a place near London?

Why use momondo?

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

Can I find flights from Philadelphia to London with flexible booking policies on momondo?

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

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

An easier way to manage your London trip

We make it super easy to schedule, organise 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.