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

As of November 2025, 46 flights take off from Philadelphia and land in London each week. The most common flight departure day for this route is Sun, with 22% of weekly flights taking off on this day.

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

JetBlue and TAP AIR PORTUGAL are the most popular carriers 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 42% 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.

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

As of November 2025, there are 6 flights per day flying from Philadelphia to London. The most common time of day flights depart is 20:00, with 100% of flights taking off in the evening.

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 40m.

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

Dublin (DUB) was the most common stop: 40% 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 Boston (BOS) offer the lowest average return price of £550.

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.

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 November 2025, there are 5 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.

£183 Cheap Flights from Philadelphia to London in 2025/26

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17:40 - 18:20PHL-STN

19h 40m2 stops

21:45 - 16:05STN-PHL

23h 20m2 stops

£427Multiple Airlines

Find Deal

Tue, 18 Nov - Mon, 24 Nov

12:32 - 10:00PHL-LGW

16h 28m1 stop

14:00 - 22:05LGW-PHL

37h 05m1 stop

£427Multiple Airlines

Find Deal

Thu, 29 Jan - Fri, 6 Feb

08:40 - 06:55PHL-LHR

17h 15m1 stop

09:20 - 18:23LHR-PHL

14h 03m1 stop

£453JetBlue

Find Deal

Sat, 31 Jan - Mon, 9 Feb

17:30 - 08:05PHL-LHR

9h 35m1 stop

08:50 - 16:00LHR-PHL

12h 10m1 stop

£458Aer Lingus

Find Deal

Wed, 3 Dec - Tue, 9 Dec

17:30 - 09:05PHL-LHR

10h 35m1 stop

09:50 - 16:00LHR-PHL

11h 10m1 stop

£461Aer Lingus

Find Deal

Wed, 12 Nov - Wed, 19 Nov

16:45 - 09:15PHL-LHR

11h 30m1 stop

06:30 - 14:05LHR-PHL

12h 35m1 stop

£463British Airways

Find Deal

Wed, 7 Jan - Fri, 16 Jan

10:24 - 06:55PHL-LHR

15h 31m1 stop

09:20 - 18:23LHR-PHL

14h 03m1 stop

£465JetBlue

Find Deal

Wed, 10 Dec - Sun, 8 Feb

19:50 - 07:50PHL-LHR

7h 00mdirect

06:30 - 14:00LHR-PHL

12h 30m1 stop

£472British Airways

Find Deal

Wed, 3 Dec - Wed, 10 Dec

19:55 - 14:05PHL-LCY

13h 10m1 stop

19:15 - 15:35LCY-PHL

25h 20m1 stop

£503Iberia

Find Deal

Tue, 10 Feb - Mon, 16 Feb

19:55 - 14:05PHL-LCY

13h 10m1 stop

07:50 - 15:30LCY-PHL

12h 40m1 stop

£513Iberia

Find Deal

Wed, 3 Dec - Wed, 10 Dec

Scandinavian Airlines flights from Philadelphia to London

Our best Scandinavian Airlines deals on Philadelphia to London flight tickets

Scandinavian Airlines

24 Mar

PHL11:30Philadelphia

17h 50m

2 stops

LHR09:20London Heathrow

7 Apr

LHR06:40London Heathrow

19h 37m

2 stops

PHL21:17Philadelphia

£438

Find similar

Scandinavian Airlines

31 Jan

PHL06:00Philadelphia

22h 20m

2 stops

LHR09:20London Heathrow

9 Feb

LHR06:40London Heathrow

19h 36m

2 stops

PHL21:16Philadelphia

£444

Find similar

Scandinavian Airlines

31 Jan

PHL12:16Philadelphia

22h 44m

2 stops

LHR16:00London Heathrow

9 Feb

LHR07:05London Heathrow

19h 11m

3 stops

PHL21:16Philadelphia

£451

Find similar

JetBlue flights from Philadelphia to London

Our best JetBlue deals on Philadelphia to London flight tickets

JetBlue

31 Jan

PHL08:40Philadelphia

17h 15m

1 stop

LHR06:55London Heathrow

9 Feb

LHR09:20London Heathrow

14h 03m

1 stop

PHL18:23Philadelphia

£453

Find similar

JetBlue

9 Nov

PHL06:00Philadelphia

19h 55m

1 stop

LHR06:55London Heathrow

18 Nov

LHR09:20London Heathrow

11h 37m

1 stop

PHL15:57Philadelphia

£458

Find similar

JetBlue

10 Dec

PHL10:24Philadelphia

15h 31m

1 stop

LHR06:55London Heathrow

8 Feb

LHR09:20London Heathrow

14h 03m

1 stop

PHL18:23Philadelphia

£465

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Tue 18/11

17:40-18:20

2 stops19h 40m

London Stansted

Mon 24/11

21:45-16:05

2 stops23h 20m

£427

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 29/1

12:32-10:00

1 stop16h 28m

London Gatwick

Fri 6/2

14:00-22:05

1 stop37h 05m

£427

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Sat 31/1

08:40-06:55

1 stop17h 15m

London Heathrow

Mon 9/2

09:20-18:23

1 stop14h 03m

£453

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 3/12

17:30-08:05

1 stop9h 35m

London Heathrow

Tue 9/12

08:50-16:00

1 stop12h 10m

£458

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 12/11

17:30-09:05

1 stop10h 35m

London Heathrow

Wed 19/11

09:50-16:00

1 stop11h 10m

£461

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 7/1

16:45-09:15

1 stop11h 30m

London Heathrow

Fri 16/1

06:30-14:05

1 stop12h 35m

£463

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 10/12

10:24-06:55

1 stop15h 31m

London Heathrow

Sun 8/2

09:20-18:23

1 stop14h 03m

£465

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 3/12

19:50-07:50

Nonstop7h 00m

London Heathrow

Wed 10/12

06:30-14:00

1 stop12h 30m

£472

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Tue 10/2

19:55-14:05

1 stop13h 10m

London City

Mon 16/2

19:15-15:35

1 stop25h 20m

£503

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Wed 3/12

19:55-14:05

1 stop13h 10m

London City

Wed 10/12

07:50-15:30

1 stop12h 40m

£513

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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 £493, 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 £501.

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 £520. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to London for around £753.

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 £506. Flights at midday are often more expensive, with an average ticket price of £751.

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 £621 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 £536 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 63% 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 November 2025, prices for Philadelphia to London flights are approximately 6% 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	£642
Fastest flight time	7h 00m
Direct flights	Every day
Airports in London	1 airport

The best flight deal from Philadelphia to London found on momondo in the last 72 hours is £642

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

Direct flights go from Philadelphia to London every day.

There is 1 airport near London: 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 November 2025, there are 5 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 (48.14% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (44.09%), Boeing 787-8 Dreamliner (2.26%), and Boeing 787 Dreamliner (1.98%).
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 46% of the total bookings. Other popular airlines include Iberia with 22%, JetBlue with 13%, and Aer Lingus with 10%.

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 £398	Free Cancellation	Rating 6.7 7,494 reviews	Search British Airways flights
Aer Lingus	PriceFrom £399	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus flights
JetBlue	PriceFrom £435	Free Cancellation	Rating 7.2 2,906 reviews	Search JetBlue flights
Iberia	PriceFrom £471	Free Cancellation	Rating 7.0 3,005 reviews	Search Iberia flights
American Airlines	PriceFrom £520	Free Cancellation	Rating 7.2 11,035 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 £399. Generally, Aer Lingus has 7 flights on this route every week with an average price of £748. Aer Lingus is rated 7.2/10 by our users.
American Airlines Flights From Philadelphia to London
£520 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 £678, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 11,036 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 £183

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 15/11. 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

Filter for what you want

Filter for what you want

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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

JetBlue flights from Philadelphia to London

Our best JetBlue 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.

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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

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 £520. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to London for around £753.

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 £506. Flights at midday are often more expensive, with an average ticket price of £751.

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 63% 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 November 2025, prices for Philadelphia to London flights are approximately 6% more expensive when compared to flights at the same time last year.

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

JetBlue and TAP AIR PORTUGAL are the most popular carriers 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: 40% 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 Boston (BOS) offer the lowest average return price of £550.

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 40m.

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 November 2025, there are 6 flights per day flying from Philadelphia to London. The most common time of day flights depart is 20:00, with 100% of flights taking off in the evening.

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

As of November 2025, 46 flights take off from Philadelphia and land in London each week. The most common flight departure day for this route is Sun, with 22% 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