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Cheap flights from London Heathrow Airport to Philadelphia from $521

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Philadelphia departing on 12/3. 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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Find the cheapest flights from London Heathrow Airport to Philadelphia

Cheap round-trip flights

These are some of the best round-trip flight deals from London Heathrow Airport to Philadelphia that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Philadelphia.

Cheap last minute flights

Planning a quick getaway from London Heathrow Airport to Philadelphia? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Philadelphia, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London Heathrow Airport to Philadelphia

Find recent round-trip train or bus tickets from London Heathrow Airport to Philadelphia.

All round-trip flight deals to Philadelphia

The cheapest plane tickets to Philadelphia found on KAYAK recently.
7:05 pm - 1:10 pmLHR-PHL
23h 05m1 stop
10:37 am - 8:40 amPHL-LHR
17h 03m1 stop
$602Finnair
Find Deal
Tue, Dec 3 - Tue, Dec 10
8:25 am - 5:23 pmLHR-PHL
12h 58m1 stop
6:00 am - 5:55 amPHL-LHR
19h 55m1 stop
$606Icelandair
Find Deal
Mon, Mar 10 - Sun, Mar 16
9:50 am - 5:35 pmLHR-PHL
11h 45m1 stop
1:35 pm - 6:15 amPHL-LHR
11h 40m1 stop
$639American Airlines
Find Deal
Wed, Mar 26 - Mon, Apr 14
4:30 pm - 9:40 amLHR-PHL
22h 10m1 stop
10:37 am - 7:00 amPHL-LHR
15h 23m1 stop
$640American Airlines
Find Deal
Mon, Dec 9 - Mon, Dec 16
8:50 am - 4:00 pmLHR-PHL
12h 10m1 stop
5:30 pm - 8:05 amPHL-LHR
9h 35m1 stop
$659Aer Lingus
Find Deal
Mon, Dec 9 - Mon, Dec 16
8:50 am - 4:25 pmLHR-PHL
12h 35m1 stop
9:10 pm - 9:20 amPHL-LHR
7h 10mnonstop
$660British Airways
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Mon, Dec 9 - Wed, Dec 18
8:50 am - 4:25 pmLHR-PHL
12h 35m1 stop
9:10 pm - 1:25 pmPHL-LHR
11h 15m1 stop
$663British Airways
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Mon, Dec 9 - Tue, Dec 17
7:50 am - 4:00 pmLHR-PHL
13h 10m1 stop
5:30 pm - 8:05 amPHL-LHR
9h 35m1 stop
$676Aer Lingus
Find Deal
Thu, Nov 14 - Thu, Nov 21
7:20 am - 4:15 pmLHR-PHL
13h 55m1 stop
6:35 pm - 11:40 amPHL-LHR
12h 05m1 stop
$684Iberia
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Tue, Dec 10 - Wed, Dec 18
10:15 am - 1:20 pmLHR-PHL
8h 05mnonstop
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
$732Iberia
Find Deal
Mon, Nov 18 - Mon, Feb 10
7:50 am - 4:00 pmLHR-PHL
13h 10m1 stop
$521Aer Lingus
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Tue, Dec 3
1:25 pm - 7:05 pmLHR-PHL
10h 40m1 stop
$522Aer Lingus
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Wed, Apr 23
2:50 pm - 11:16 amLHR-PHL
25h 26m3 stops
Tue, Feb 4
1:00 pm - 3:45 pmLHR-PHL
7h 45mnonstop
$650Iberia
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Wed, Apr 23
10:15 am - 1:15 pmLHR-PHL
8h 00mnonstop
$685Iberia
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Sat, Dec 7
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$701Finnair
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Mon, Feb 3
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
$715Finnair
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Tue, Feb 4
9:50 am - 4:00 pmLHR-PHL
11h 10m1 stop
$727British Airways
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Mon, Dec 2
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$760British Airways
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Mon, Nov 11
10:15 am - 1:20 pmLHR-PHL
8h 05mnonstop
$799American Airlines
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Fri, Nov 15
8:50 am - 4:00 pmLHR-PHL
12h 10m1 stop
5:30 pm - 8:05 amPHL-LHR
9h 35m1 stop
$669Aer Lingus
Find Deal
Tue, Nov 5 - Wed, Nov 27
9:50 am - 4:00 pmLHR-PHL
11h 10m1 stop
5:30 pm - 9:05 amPHL-LHR
10h 35m1 stop
$696Aer Lingus
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Tue, Nov 5 - Sun, Nov 10
10:15 am - 1:20 pmLHR-PHL
8h 05mnonstop
9:14 pm - 8:40 amPHL-LHR
30h 26m1 stop
$758Finnair
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Wed, Nov 6 - Mon, Nov 11
10:05 am - 6:22 pmLHR-PHL
13h 17m1 stop
9:14 pm - 8:40 amPHL-LHR
30h 26m1 stop
$764Finnair
Find Deal
Wed, Nov 6 - Mon, Nov 11
7:30 am - 4:25 pmLHR-PHL
13h 55m1 stop
1:42 pm - 6:15 amPHL-LHR
11h 33m1 stop
$897American Airlines
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Sat, Nov 9 - Sat, Nov 16
10:15 am - 1:20 pmLHR-PHL
8h 05mnonstop
1:42 pm - 6:15 amPHL-LHR
11h 33m1 stop
$928American Airlines
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Sat, Nov 9 - Sat, Nov 16
10:15 am - 1:20 pmLHR-PHL
8h 05mnonstop
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
$1,066British Airways
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Tue, Nov 5 - Sun, Nov 10
10:15 am - 1:20 pmLHR-PHL
8h 05mnonstop
9:20 pm - 9:20 amPHL-LHR
7h 00mnonstop
$1,102British Airways
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Sat, Nov 9 - Sat, Nov 16
7:20 am - 4:25 pmLHR-PHL
14h 05m1 stop
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
$1,108Iberia
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Fri, Nov 8 - Fri, Nov 15
10:15 am - 1:20 pmLHR-PHL
8h 05mnonstop
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
$1,153Iberia
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Wed, Nov 6 - Sun, Nov 17
10:15 am - 1:15 pmLHR-PHL
8h 00mnonstop
9:10 pm - 9:20 amPHL-LHR
7h 10mnonstop
$687British Airways
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Mon, Dec 9 - Mon, Dec 16
10:15 am - 1:20 pmLHR-PHL
8h 05mnonstop
9:20 pm - 9:20 amPHL-LHR
7h 00mnonstop
$689Iberia
Find Deal
Wed, Nov 27 - Mon, Dec 2
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
8:15 pm - 8:15 amPHL-LHR
7h 00mnonstop
Wed, Feb 12 - Tue, Feb 18
10:15 am - 1:15 pmLHR-PHL
8h 00mnonstop
9:10 pm - 9:20 amPHL-LHR
7h 10mnonstop
$693Finnair
Find Deal
Tue, Dec 10 - Wed, Dec 18
10:15 am - 1:20 pmLHR-PHL
8h 05mnonstop
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
$700Finnair
Find Deal
Mon, Jan 6 - Thu, Jan 23
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
9:10 pm - 9:20 amPHL-LHR
7h 10mnonstop
$704Iberia
Find Deal
Mon, Dec 9 - Mon, Dec 16
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
9:10 pm - 9:20 amPHL-LHR
7h 10mnonstop
$705American Airlines
Find Deal
Mon, Dec 9 - Mon, Dec 16
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
10:20 pm - 9:20 amPHL-LHR
7h 00mnonstop
$711British Airways
Find Deal
Sat, Mar 8 - Mon, Mar 17
2:45 pm - 6:55 pmLHR-PHL
8h 10mnonstop
10:40 pm - 10:50 amPHL-LHR
7h 10mnonstop
$714American Airlines
Find Deal
Wed, Mar 26 - Mon, Apr 14
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
7:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
$950Aer Lingus
Find Deal
Fri, Mar 7 - Sun, Mar 16

American Airlines flights from London Heathrow Airport to Philadelphia

Our best American Airlines deals on London Heathrow Airport to Philadelphia flight tickets
American Airlines
Mar 26
LHR9:50 amLondon Heathrow
11h 45m
1 stop
PHL5:35 pmPhiladelphia
Apr 14
PHL1:35 pmPhiladelphia
11h 40m
1 stop
LHR6:15 amLondon Heathrow
American Airlines
Dec 9
LHR4:30 pmLondon Heathrow
22h 10m
1 stop
PHL9:40 amPhiladelphia
Dec 16
PHL10:37 amPhiladelphia
15h 23m
1 stop
LHR7:00 amLondon Heathrow
American Airlines
Dec 9
LHR4:30 pmLondon Heathrow
22h 10m
1 stop
PHL9:40 amPhiladelphia
Dec 16
PHL9:10 pmPhiladelphia
7h 10m
LHR9:20 amLondon Heathrow

Aer Lingus flights from London Heathrow Airport to Philadelphia

Our best Aer Lingus deals on London Heathrow Airport to Philadelphia flight tickets
Aer Lingus
Dec 9
LHR8:50 amLondon Heathrow
12h 10m
1 stop
PHL4:00 pmPhiladelphia
Dec 16
PHL5:30 pmPhiladelphia
9h 35m
1 stop
LHR8:05 amLondon Heathrow
Aer Lingus
Nov 14
LHR7:50 amLondon Heathrow
13h 10m
1 stop
PHL4:00 pmPhiladelphia
Nov 21
PHL5:30 pmPhiladelphia
9h 35m
1 stop
LHR8:05 amLondon Heathrow
Aer Lingus
Nov 12
LHR9:50 amLondon Heathrow
11h 10m
1 stop
PHL4:00 pmPhiladelphia
Nov 17
PHL5:30 pmPhiladelphia
10h 35m
1 stop
LHR9:05 amLondon Heathrow

How to get the cheapest flight ticket from London Heathrow Airport 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

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

January. The cheapest time of year to fly to Philadelphia from London Heathrow Airport is January. Most expensive is July

What is the cheapest day to depart London Heathrow Airport for Philadelphia?

Monday. The cheapest day of the week is typically Monday. The most expensive is typically Sunday

When is the cheapest time to fly from London Heathrow Airport to Philadelphia?

In the evening. London Heathrow Airport to Philadelphia flights are approximately 38% more expensive in the morning than in the evening

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

Finnair. Finnair, American Airlines, and Iberia are the most popular carriers operating from London Heathrow Airport to Philadelphia

How far in advance should you book London Heathrow Airport to Philadelphia flights?

40 days before. The cheapest time to buy a flight from London Heathrow Airport to Philadelphia is approximately 40 days to departure

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

6 flights are operational weekly from London Heathrow Airport to Philadelphia as of November 2024. The most popular departure time for this route is 1:00PM, with 56% of flights per day taking off in the afternoon.

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

As of November 2024, there are 45 flights per week flying from London Heathrow Airport to Philadelphia. The most common day of the week flights depart is Sunday, with 22% of flights taking off on this day.

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

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

You could potentially save up to 50% on your flight if you consider stops on a London Heathrow Airport to Philadelphia flight.

How have London Heathrow Airport to Philadelphia flight prices changed over time?

As of November 2024, prices for London Heathrow Airport to Philadelphia flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Philadelphia

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

Cheap London Heathrow Airport to Philadelphia (LHR to PHL) flight deals and tips

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

Best Price Found

$521

Fastest flight time

7h 45m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from London Heathrow Airport in the past 72 hours is $521. The best round-trip flight deal from London Heathrow Airport to Philadelphia found on momondo in the last 72 hours is $602.
The fastest flight from London Heathrow Airport to Philadelphia takes 7h 45m
Direct flights go from London Heathrow Airport to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)

  • How far is London Heathrow to Philadelphia by plane?

    The straight-line distance from London Heathrow to Philadelphia is 3526.0 mi. By plane, this route typically takes 7h 45m.

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

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

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

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

    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 London Heathrow Airport to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

  • What is the most popular airline from London Heathrow Airport to Philadelphia?


Best airlines flying from London Heathrow Airport to Philadelphia

Compare and see reviews for airlines that fly from London Heathrow Airport to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom $579Free CancellationRating
7.7
1,316 reviews
Search Finnair flights
IberiaPriceFrom $587Free CancellationRating
7.0
2,673 reviews
Search Iberia flights
American AirlinesPriceFrom $592Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $594Free CancellationRating
6.7
6,842 reviews
Search British Airways flights
Aer LingusPriceFrom $605Free CancellationRating
7.1
1,088 reviews
Search Aer Lingus flights
  • Finnair Flights From London Heathrow Airport to Philadelphia

    The lowest priced Finnair flight from London Heathrow Airport to Philadelphia from the last 72 hours was $579. Generally, Finnair has 9 flights on this route every week with an average price of $734. Finnair is rated 7.7/10 by our users.

  • American Airlines Flights From London Heathrow Airport to Philadelphia

    American Airlines (7.2/10 from 10,000 reviews) operates around 9 flights from London Heathrow Airport to Philadelphia in any given week. The average American Airlines airfare for this route is around $744, with deals from around $592 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to Philadelphia flight searches in the last 72 hours.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Philadelphia. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from London to Philadelphia on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Philadelphia.

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

Yes. momondo can track prices for London to Philadelphia 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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