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Cheap flights from London Heathrow Airport to Philadelphia from $298

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 1/22. 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.
8:50 am - 4:40 pmLHR-PHL
12h 50m1 stop
6:00 pm - 7:50 amPHL-LHR
8h 50m1 stop
$527British Airways
Find Deal
Tue, Jan 21 - Tue, Jan 28
6:30 am - 10:36 pmLHR-PHL
21h 06m2 stops
2:46 pm - 10:50 amPHL-LHR
15h 04m1 stop
$529United Airlines
Find Deal
Tue, Feb 4 - Tue, Feb 11
6:30 am - 10:36 pmLHR-PHL
21h 06m2 stops
6:15 am - 6:40 amPHL-LHR
19h 25m1 stop
$530United Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
9:50 am - 4:40 pmLHR-PHL
11h 50m1 stop
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
$553American Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
8:50 am - 4:40 pmLHR-PHL
12h 50m1 stop
2:00 pm - 7:50 amPHL-LHR
12h 50m1 stop
$561American Airlines
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Wed, Feb 5 - Wed, Feb 12
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
10:40 pm - 10:50 amPHL-LHR
7h 10mnonstop
$575Finnair
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Wed, Jan 29 - Wed, May 14
8:30 am - 5:05 pmLHR-PHL
12h 35m1 stop
10:10 pm - 10:20 amPHL-LHR
7h 10mnonstop
$577Finnair
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Sat, Mar 29 - Mon, Apr 7
1:30 pm - 4:25 pmLHR-PHL
7h 55mnonstop
6:30 pm - 6:40 amPHL-LHR
7h 10mnonstop
$676Iberia
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Sat, Jun 7 - Thu, Jun 19
7:40 pm - 2:05 pmLHR-PHL
23h 25m2 stops
7:36 pm - 5:00 pmPHL-LHR
16h 24m1 stop
$693Iberia
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Tue, Jan 21 - Sun, Jan 26
1:25 pm - 7:05 pmLHR-PHL
10h 40m1 stop
8:35 pm - 11:10 amPHL-LHR
9h 35m1 stop
$741Aer Lingus
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Fri, Apr 11 - Tue, Apr 22
3:15 pm - 10:24 amLHR-PHL
48h 09m2 stops
Wed, Jan 22
3:15 pm - 10:24 amLHR-PHL
48h 09m2 stops
Wed, Jan 22
8:50 am - 7:05 pmLHR-PHL
15h 15m1 stop
$496Aer Lingus
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Wed, Apr 23
8:45 pm - 5:00 pmLHR-PHL
24h 15m1 stop
$500Aer Lingus
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Sun, Mar 23
7:20 am - 4:20 pmLHR-PHL
14h 00m1 stop
$549Iberia
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Tue, Jan 21
8:15 am - 4:40 pmLHR-PHL
13h 25m1 stop
$576British Airways
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Thu, Jan 23
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$596Finnair
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Tue, Dec 31
10:15 am - 1:20 pmLHR-PHL
8h 05mnonstop
$602Finnair
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Tue, Feb 18
7:40 pm - 1:50 pmLHR-PHL
23h 10m1 stop
$611British Airways
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Sun, Feb 23
1:30 pm - 4:25 pmLHR-PHL
7h 55mnonstop
$634Iberia
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Wed, Jun 18
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
6:30 pm - 7:20 amPHL-LHR
31h 50m1 stop
$738Iberia
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Sat, Dec 28 - Sat, May 17
8:25 am - 5:33 pmLHR-PHL
14h 08m1 stop
10:10 am - 6:30 amPHL-LHR
15h 20m1 stop
$842JetBlue
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Thu, Dec 26 - Wed, May 14
11:45 am - 7:55 pmLHR-PHL
13h 10m1 stop
6:40 pm - 12:20 pmPHL-LHR
12h 40m1 stop
$925Finnair
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Thu, Dec 26 - Mon, Dec 30
11:00 am - 7:56 pmLHR-PHL
13h 56m1 stop
3:39 pm - 10:15 amPHL-LHR
13h 36m1 stop
$945Finnair
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Tue, Dec 24 - Tue, Dec 31
10:15 am - 1:20 pmLHR-PHL
8h 05mnonstop
1:45 pm - 6:15 amPHL-LHR
11h 30m1 stop
$1,077American Airlines
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Thu, Dec 26 - Wed, May 14
7:00 am - 3:35 pmLHR-PHL
13h 35m1 stop
1:40 pm - 6:15 amPHL-LHR
11h 35m1 stop
$1,134American Airlines
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Tue, Dec 24 - Sun, Dec 29
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
6:41 pm - 12:00 pmPHL-LHR
12h 19m1 stop
$1,247British Airways
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Thu, Dec 26 - Mon, Dec 30
8:50 am - 5:33 pmLHR-PHL
37h 43m2 stops
5:30 pm - 10:20 amPHL-LHR
11h 50m1 stop
$1,289Aer Lingus
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Thu, Dec 26 - Mon, Dec 30
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
3:17 pm - 7:50 amPHL-LHR
11h 33m1 stop
$1,561British Airways
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Fri, Dec 27 - Fri, Jan 3
8:30 am - 4:00 pmLHR-PHL
12h 30m1 stop
9:10 pm - 3:35 pmPHL-LHR
13h 25m1 stop
$4,602Aer Lingus
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Sat, Dec 28 - Sat, Jan 4
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
$567British Airways
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Wed, Jan 22 - Wed, Jan 29
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
$572Finnair
Find Deal
Tue, Jan 21 - Tue, Jan 28
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
Mon, Feb 3 - Mon, Feb 10
10:15 am - 1:20 pmLHR-PHL
8h 05mnonstop
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
$574Iberia
Find Deal
Mon, Feb 24 - Mon, Mar 3
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
10:40 pm - 10:50 amPHL-LHR
7h 10mnonstop
$575Finnair
Find Deal
Wed, Jan 29 - Wed, May 14
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
$585American Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
7:30 pm - 7:55 amPHL-LHR
7h 25mnonstop
Wed, Jan 29 - Wed, May 14
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
$588Finnair
Find Deal
Mon, Jan 13 - Mon, Jan 20
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
$598American Airlines
Find Deal
Mon, Feb 3 - Mon, Feb 10
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
$602Iberia
Find Deal
Mon, Jan 13 - Mon, Jan 20

Aer Lingus flights from London Heathrow Airport to Philadelphia

Our best Aer Lingus deals on London Heathrow Airport to Philadelphia flight tickets
Aer Lingus
Apr 11
LHR1:25 pmLondon Heathrow
10h 40m
1 stop
PHL7:05 pmPhiladelphia
Apr 22
PHL8:35 pmPhiladelphia
9h 35m
1 stop
LHR11:10 amLondon Heathrow
Aer Lingus
Dec 26
LHR8:50 amLondon Heathrow
37h 43m
2 stops
PHL5:33 pmPhiladelphia
Dec 30
PHL5:30 pmPhiladelphia
11h 50m
1 stop
LHR10:20 amLondon Heathrow

Virgin Atlantic flights from London Heathrow Airport to Philadelphia

Our best Virgin Atlantic deals on London Heathrow Airport to Philadelphia flight tickets
Virgin Atlantic
Jan 21
LHR8:50 amLondon Heathrow
13h 10m
1 stop
PHL5:00 pmPhiladelphia
Jan 26
PHL6:07 pmPhiladelphia
31h 13m
1 stop
LHR6:20 amLondon Heathrow
Virgin Atlantic
Jan 21
LHR11:45 amLondon Heathrow
16h 35m
2 stops
PHL11:20 pmPhiladelphia
Jan 26
PHL9:33 amPhiladelphia
16h 32m
2 stops
LHR7:05 amLondon Heathrow
Virgin Atlantic
Dec 24
LHR11:30 amLondon Heathrow
16h 44m
2 stops
PHL11:14 pmPhiladelphia
Dec 31
PHL1:14 pmPhiladelphia
13h 41m
1 stop
LHR7:55 amLondon Heathrow

See travel insights to Philadelphia from

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 to Philadelphia?

The cheapest month to fly to Philadelphia from London Heathrow Airport is in February. Flight prices, which tend to average around $673, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Philadelphia, with average flight prices from London Heathrow Airport averaging around $693.

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

The cheapest day to depart from London Heathrow Airport to Philadelphia is on a Tuesday. Travelers who choose to depart for Philadelphia on a Tuesday will often find tickets for as low as $704. On the other hand, Friday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $891.

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 Heathrow Airport 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 in the morning when prices are around $768.

What is the cheapest London Heathrow to Philadelphia flight route?

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

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

Most flyers found that booking tickets 42 days in advance of their planned departure date is the best time to get cheap flights to Philadelphia. During this timeframe, flight prices are around $752. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from London Heathrow Airport for as low as $653 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow 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 47% 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 December 2024, prices for London Heathrow Airport to Philadelphia flights are approximately 14% cheaper 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

$298

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 $298. The best round-trip flight deal from London Heathrow Airport to Philadelphia found on momondo in the last 72 hours is $527.
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
IberiaPriceFrom $589Free CancellationRating
7.0
2,651 reviews
Search Iberia flights
American AirlinesPriceFrom $592Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $595Free CancellationRating
6.6
6,810 reviews
Search British Airways flights
Aer LingusPriceFrom $605Free CancellationRating
7.1
1,076 reviews
Search Aer Lingus flights
FinnairPriceFrom $643Free CancellationRating
7.7
1,285 reviews
Search Finnair 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 $643. Generally, Finnair has 14 flights on this route every week with an average price of $943. 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 14 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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