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Cheap flights from Philadelphia to London Heathrow Airport from $239

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 Heathrow Airport departing on 12/11. 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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Find the cheapest flights from Philadelphia to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Philadelphia to London 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 Philadelphia to London.

Cheap last minute flights

Planning a quick getaway from Philadelphia to London? 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 London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Philadelphia to London

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

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
7:00 pm - 2:05 pmLHR-PHL
24h 05m1 stop
$631Finnair
Find Deal
Sun, Jan 12 - Mon, Jan 20
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
$633Finnair
Find Deal
Wed, Jan 8 - Fri, Jan 17
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
6:30 am - 4:40 pmLHR-PHL
15h 10m1 stop
$634British Airways
Find Deal
Thu, Jan 9 - Wed, Jan 15
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
7:30 am - 3:35 pmLHR-PHL
13h 05m1 stop
$646Iberia
Find Deal
Fri, Jan 10 - Fri, Jan 17
4:04 pm - 9:30 amPHL-LHR
12h 26m1 stop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$649American Airlines
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Tue, Jan 7 - Fri, Jan 17
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
8:50 am - 4:40 pmLHR-PHL
12h 50m1 stop
$657American Airlines
Find Deal
Fri, Jan 10 - Wed, Jan 15
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$659Iberia
Find Deal
Thu, Jan 9 - Wed, Jan 15
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
6:30 am - 4:40 pmLHR-PHL
15h 10m1 stop
$661British Airways
Find Deal
Thu, Jan 9 - Tue, Jan 14
5:30 pm - 9:05 amPHL-LHR
10h 35m1 stop
9:50 am - 4:00 pmLHR-PHL
11h 10m1 stop
$754Aer Lingus
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Wed, Dec 4 - Mon, Dec 9
5:30 pm - 8:05 amPHL-LHR
9h 35m1 stop
9:50 am - 4:00 pmLHR-PHL
11h 10m1 stop
$755Aer Lingus
Find Deal
Tue, Dec 3 - Sat, Dec 7
10:09 am - 7:05 amPHL-LHR
15h 56m1 stop
Wed, Dec 11
10:21 am - 10:50 amPHL-LHR
19h 29m2 stops
Wed, Feb 12
10:09 am - 4:20 pmPHL-LHR
25h 11m2 stops
Wed, Dec 11
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
$390British Airways
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Tue, Feb 4
6:35 pm - 10:10 amPHL-LHR
10h 35m1 stop
$396British Airways
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Mon, Jan 6
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
$446Iberia
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Fri, Jan 17
5:30 pm - 3:35 pmPHL-LHR
17h 05m1 stop
$468Aer Lingus
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Wed, Nov 27
3:55 pm - 11:25 amPHL-LHR
14h 30m2 stops
$476Aer Lingus
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Sun, Dec 1
6:35 pm - 10:20 amPHL-LHR
10h 45m1 stop
$491American Airlines
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Thu, Apr 17
10:40 pm - 10:50 amPHL-LHR
7h 10mnonstop
$589Iberia
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Tue, May 13
3:05 pm - 5:55 amPHL-LHR
9h 50m1 stop
8:25 am - 3:08 pmLHR-PHL
11h 43m1 stop
$672JetBlue
Find Deal
Mon, Nov 18 - Tue, Nov 26
9:20 am - 5:55 amPHL-LHR
15h 35m1 stop
8:25 am - 3:08 pmLHR-PHL
11h 43m1 stop
$705JetBlue
Find Deal
Tue, Nov 19 - Thu, Nov 28
9:20 am - 5:55 amPHL-LHR
15h 35m1 stop
8:25 am - 3:08 pmLHR-PHL
11h 43m1 stop
$719JetBlue
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Sun, Nov 17 - Fri, Nov 22
9:20 am - 5:55 amPHL-LHR
15h 35m1 stop
8:25 am - 3:08 pmLHR-PHL
11h 43m1 stop
$724JetBlue
Find Deal
Mon, Nov 18 - Tue, Nov 26
5:30 pm - 4:50 pmPHL-LHR
18h 20m1 stop
8:50 am - 4:00 pmLHR-PHL
12h 10m1 stop
$965Aer Lingus
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Sun, Nov 17 - Sun, Nov 24
5:30 pm - 8:05 amPHL-LHR
9h 35m1 stop
7:50 am - 4:00 pmLHR-PHL
13h 10m1 stop
$982Aer Lingus
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Sun, Nov 17 - Tue, Nov 19
4:12 pm - 9:30 amPHL-LHR
12h 18m1 stop
6:40 am - 4:25 pmLHR-PHL
14h 45m2 stops
$1,415British Airways
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Tue, Nov 19 - Fri, Nov 29
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$1,437British Airways
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Tue, Nov 19 - Wed, Nov 27
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
8:05 am - 4:25 pmLHR-PHL
13h 20m1 stop
$1,567Iberia
Find Deal
Tue, Nov 19 - Sat, Nov 30
9:20 pm - 9:20 amPHL-LHR
7h 00mnonstop
8:50 am - 4:25 pmLHR-PHL
12h 35m1 stop
$1,951American Airlines
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Sun, Nov 17 - Tue, Nov 19
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
10:15 am - 1:25 pmLHR-PHL
8h 10mnonstop
$612Iberia
Find Deal
Wed, Feb 26 - Wed, Mar 5
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$614Iberia
Find Deal
Wed, Feb 12 - Wed, Feb 19
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
$617British Airways
Find Deal
Wed, Jan 15 - Thu, Jan 23
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$618British Airways
Find Deal
Tue, Feb 4 - Tue, Feb 11
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
10:15 am - 1:25 pmLHR-PHL
8h 10mnonstop
$629Finnair
Find Deal
Tue, Feb 11 - Tue, Feb 18
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$633Finnair
Find Deal
Wed, Feb 12 - Tue, Feb 18
10:20 pm - 9:20 amPHL-LHR
7h 00mnonstop
2:45 pm - 6:55 pmLHR-PHL
8h 10mnonstop
$643American Airlines
Find Deal
Wed, Mar 19 - Tue, Mar 25
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
$694American Airlines
Find Deal
Sun, Jan 12 - Mon, Jan 20
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$871Aer Lingus
Find Deal
Tue, Feb 11 - Wed, Feb 19
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$873Aer Lingus
Find Deal
Mon, Feb 10 - Wed, Feb 19

JetBlue flights from Philadelphia to London Heathrow Airport

Our best JetBlue deals on Philadelphia to London Heathrow Airport flight tickets
JetBlue
Nov 28
PHL1:15 pmPhiladelphia
11h 40m
1 stop
LHR5:55 amLondon Heathrow
Dec 6
LHR8:25 amLondon Heathrow
16h 05m
1 stop
PHL7:30 pmPhiladelphia
JetBlue
Dec 5
PHL8:15 amPhiladelphia
16h 40m
1 stop
LHR5:55 amLondon Heathrow
Dec 9
LHR8:25 amLondon Heathrow
16h 04m
1 stop
PHL7:29 pmPhiladelphia
JetBlue
Feb 10
PHL3:15 pmPhiladelphia
9h 40m
1 stop
LHR5:55 amLondon Heathrow
Feb 14
LHR8:25 amLondon Heathrow
17h 56m
1 stop
PHL9:21 pmPhiladelphia

Icelandair flights from Philadelphia to London Heathrow Airport

Our best Icelandair deals on Philadelphia to London Heathrow Airport flight tickets
Icelandair
Nov 20
PHL9:20 amPhiladelphia
29h 10m
2 stops
LHR7:30 pmLondon Heathrow
Nov 27
LHR12:15 pmLondon Heathrow
31h 53m
2 stops
PHL3:08 pmPhiladelphia
Icelandair
Nov 20
PHL9:20 amPhiladelphia
29h 10m
2 stops
LHR7:30 pmLondon Heathrow
Nov 26
LHR8:40 pmLondon Heathrow
47h 28m
2 stops
PHL3:08 pmPhiladelphia
Icelandair
Nov 21
PHL8:20 amPhiladelphia
30h 10m
2 stops
LHR7:30 pmLondon Heathrow
Nov 27
LHR12:15 pmLondon Heathrow
31h 53m
2 stops
PHL3:08 pmPhiladelphia

How to get the cheapest flight ticket from Philadelphia to London Heathrow Airport

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 Philadelphia to London Heathrow Airport?

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

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

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Saturday

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

At noon. Philadelphia to London Heathrow Airport flights are approximately 6% more expensive in the morning than at noon

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

Virgin Atlantic. Virgin Atlantic, JetBlue, and Iberia are the most popular carriers operating from Philadelphia to London Heathrow Airport

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

10 days before. The cheapest time to buy a flight from Philadelphia to London Heathrow Airport is approximately 10 days to departure

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

As of November 2024, 10 flights take off from Philadelphia and land in London Heathrow Airport each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

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

As of November 2024, there are 70 flights per week flying from Philadelphia to London Heathrow Airport. The most common day of the week flights depart is Sunday, with 14% of flights taking off on this day.

Can stopping save me money on Philadelphia to London Heathrow Airport flights?

You could potentially save up to 38% on your flight if you consider stops on a Philadelphia to London Heathrow Airport flight.

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

As of November 2024, prices for Philadelphia to London Heathrow Airport flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to London Heathrow Airport

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

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

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

Best Price Found

$239

Fastest flight time

6h 55m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Philadelphia in the past 72 hours is $239. The best round-trip flight deal from Philadelphia to London Heathrow Airport found on momondo in the last 72 hours is $631.
The fastest flight from Philadelphia to London Heathrow Airport takes 6h 55m
Direct flights go from Philadelphia to London Heathrow Airport every day.

  • How far is Philadelphia to London Heathrow by plane?

    Philadelphia and London Heathrow are 3526.0 mi apart from one another. Flights usually cover this in 6h 55m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Philadelphia Airport to London Heathrow Airport refresh daily.

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

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

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

    The required travel and health documents for your London Heathrow 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 London Heathrow 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 Philadelphia to London Heathrow Airport?

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


Best airlines flying from Philadelphia to London Heathrow Airport

Compare and see reviews for airlines that fly from Philadelphia to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom $514Free CancellationRating
7.6
663 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom $525Free CancellationRating
6.8
7,170 reviews
Search Lufthansa flights
Air CanadaPriceFrom $529Free CancellationRating
7.0
8,198 reviews
Search Air Canada flights
JetBluePriceFrom $550Free CancellationRating
7.5
3,447 reviews
Search JetBlue flights
American AirlinesPriceFrom $602Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $616Free CancellationRating
7.0
2,665 reviews
Search Iberia flights
FinnairPriceFrom $624Free CancellationRating
7.7
1,304 reviews
Search Finnair flights
DeltaPriceFrom $625Free CancellationRating
8.0
8,788 reviews
Search Delta flights
Aer LingusPriceFrom $632Free CancellationRating
7.1
1,084 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $633Free CancellationRating
6.6
6,838 reviews
Search British Airways flights
  • Finnair Flights From Philadelphia to London Heathrow Airport

    Finnair flies from Philadelphia to London Heathrow Airport around 14 times per week, with 1,304 momondo users rating the airline 7.7/10. The cheapest Finnair deal from Philadelphia to London Heathrow Airport in the last 72 hours was $624 (round-trip), much lower than the average airfare cost of $883 for Finnair flights on this route.

  • American Airlines Flights From Philadelphia to London Heathrow Airport

    The best American Airlines deal for Philadelphia to London Heathrow Airport flight tickets found on momondo in the last 72 hours was $602, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $894 round-trip. American Airlines operates 14 flights out of Philadelphia into London Heathrow Airport in an average week, so prices vary by time and availability. 10,000 American Airlines reviews by users on momondo have scored the airline at 7.2/10.


Why use momondo?

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

It is quick and easy to find Philadelphia to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Flights from Philadelphia to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Philadelphia.

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

If you are not ready to book a flight from Philadelphia to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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