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Cheap flights from Philadelphia to London Heathrow Airport from £182

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 9/2. 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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Find the cheapest flights from Philadelphia to London

Cheap return flights

These are some of the best return 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 stopovers.

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.
19:53 - 05:55PHL-LHR
29h 02m1 stop
08:25 - 19:07LHR-PHL
15h 42m1 stop
£399Icelandair
Find Deal
Thu, 30 Jan - Fri, 7 Feb
11:10 - 05:55PHL-LHR
13h 45m1 stop
08:25 - 19:07LHR-PHL
15h 42m1 stop
£405JetBlue
Find Deal
Mon, 20 Jan - Tue, 28 Jan
11:10 - 05:55PHL-LHR
13h 45m1 stop
08:25 - 19:07LHR-PHL
15h 42m1 stop
£423JetBlue
Find Deal
Sat, 11 Jan - Fri, 17 Jan
19:53 - 05:55PHL-LHR
29h 02m1 stop
08:25 - 19:07LHR-PHL
15h 42m1 stop
£443Undisclosed Carrier
Find Deal
Fri, 17 Jan - Tue, 21 Jan
07:16 - 11:50PHL-LHR
23h 34m3 stops
08:55 - 10:00LHR-PHL
30h 05m3 stops
Wed, 4 Dec - Wed, 11 Dec
11:30 - 17:40PHL-LHR
25h 10m2 stops
06:40 - 21:23LHR-PHL
19h 43m2 stops
Sat, 1 Feb - Mon, 3 Feb
18:40 - 06:35PHL-LHR
6h 55mdirect
08:10 - 15:35LHR-PHL
12h 25m1 stop
£470Iberia
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Mon, 20 Jan - Tue, 28 Jan
22:20 - 09:20PHL-LHR
7h 00mdirect
13:40 - 16:35LHR-PHL
7h 55mdirect
£487Iberia
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Sun, 23 Mar - Fri, 4 Apr
22:20 - 14:25PHL-LHR
12h 05m1 stop
13:00 - 15:45LHR-PHL
7h 45mdirect
£490British Airways
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Tue, 25 Mar - Wed, 2 Apr
18:40 - 06:35PHL-LHR
6h 55mdirect
08:25 - 16:40LHR-PHL
13h 15m1 stop
£500British Airways
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Fri, 17 Jan - Tue, 21 Jan
08:00 - 07:55PHL-LHR
18h 55m1 stop
Sun, 9 Feb
07:45 - 07:55PHL-LHR
19h 10m1 stop
Sun, 12 Jan
11:10 - 05:55PHL-LHR
13h 45m1 stop
£248JetBlue
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Fri, 10 Jan
11:10 - 05:55PHL-LHR
13h 45m1 stop
£251JetBlue
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Fri, 17 Jan
18:40 - 06:35PHL-LHR
6h 55mdirect
£315British Airways
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Mon, 20 Jan
21:21 - 09:20PHL-LHR
6h 59mdirect
£326British Airways
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Mon, 13 Jan
18:40 - 06:35PHL-LHR
6h 55mdirect
£343Iberia
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Wed, 11 Dec
18:40 - 06:35PHL-LHR
6h 55mdirect
£352Iberia
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Sat, 18 Jan
17:30 - 11:25PHL-LHR
12h 55m1 stop
£369Aer Lingus
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Tue, 26 Nov
13:15 - 10:20PHL-LHR
16h 05m2 stops
£376Aer Lingus
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Tue, 26 Nov
17:30 - 08:05PHL-LHR
9h 35m1 stop
08:50 - 16:00LHR-PHL
12h 10m1 stop
£623Aer Lingus
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Sun, 24 Nov - Tue, 26 Nov
10:45 - 21:40PHL-LHR
29h 55m2 stops
06:40 - 00:55LHR-PHL
23h 15m2 stops
£696Scandinavian Airlines
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Tue, 26 Nov - Sat, 7 Dec
08:20 - 05:55PHL-LHR
16h 35m1 stop
08:25 - 15:08LHR-PHL
11h 43m1 stop
£768JetBlue
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Mon, 25 Nov - Wed, 27 Nov
13:25 - 18:50PHL-LHR
24h 25m3 stops
06:40 - 09:37LHR-PHL
31h 57m3 stops
Sat, 23 Nov - Mon, 25 Nov
13:15 - 05:55PHL-LHR
11h 40m1 stop
08:25 - 15:08LHR-PHL
11h 43m1 stop
£815JetBlue
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Sun, 24 Nov - Mon, 25 Nov
05:05 - 18:35PHL-LHR
32h 30m3 stops
18:30 - 01:17LHR-PHL
35h 47m3 stops
Sun, 24 Nov - Tue, 26 Nov
17:30 - 10:20PHL-LHR
11h 50m1 stop
10:15 - 13:15LHR-PHL
8h 00mdirect
£1,101British Airways
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Tue, 26 Nov - Sat, 7 Dec
21:20 - 09:20PHL-LHR
7h 00mdirect
13:10 - 16:20LHR-PHL
8h 10mdirect
£1,165British Airways
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Tue, 26 Nov - Sat, 7 Dec
18:40 - 06:35PHL-LHR
6h 55mdirect
06:20 - 15:40LHR-PHL
14h 20m1 stop
£1,927Iberia
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Fri, 22 Nov - Sun, 24 Nov
18:40 - 06:35PHL-LHR
6h 55mdirect
07:20 - 16:25LHR-PHL
14h 05m1 stop
£1,974Iberia
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Fri, 22 Nov - Fri, 29 Nov
21:21 - 09:20PHL-LHR
6h 59mdirect
10:15 - 13:30LHR-PHL
8h 15mdirect
£485British Airways
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Tue, 21 Jan - Tue, 28 Jan
22:20 - 09:20PHL-LHR
7h 00mdirect
13:40 - 16:35LHR-PHL
7h 55mdirect
£487Iberia
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Sun, 23 Mar - Fri, 4 Apr
22:20 - 09:20PHL-LHR
7h 00mdirect
13:40 - 16:35LHR-PHL
7h 55mdirect
£488British Airways
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Sun, 23 Mar - Fri, 4 Apr
18:40 - 06:35PHL-LHR
6h 55mdirect
10:15 - 13:30LHR-PHL
8h 15mdirect
£506American Airlines
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Wed, 8 Jan - Thu, 16 Jan
18:40 - 06:35PHL-LHR
6h 55mdirect
13:00 - 15:45LHR-PHL
7h 45mdirect
£521Iberia
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Mon, 13 Jan - Thu, 15 May
18:40 - 06:35PHL-LHR
6h 55mdirect
13:00 - 15:45LHR-PHL
7h 45mdirect
£522British Airways
Find Deal
Mon, 13 Jan - Thu, 15 May
21:15 - 09:20PHL-LHR
7h 05mdirect
10:15 - 13:20LHR-PHL
8h 05mdirect
£523British Airways
Find Deal
Thu, 20 Feb - Thu, 27 Feb
18:40 - 06:35PHL-LHR
6h 55mdirect
10:15 - 13:30LHR-PHL
8h 15mdirect
£534Finnair
Find Deal
Fri, 17 Jan - Thu, 23 Jan
19:35 - 07:45PHL-LHR
7h 10mdirect
13:00 - 15:45LHR-PHL
7h 45mdirect
£535Finnair
Find Deal
Tue, 1 Apr - Tue, 6 May
18:40 - 06:35PHL-LHR
6h 55mdirect
13:00 - 15:45LHR-PHL
7h 45mdirect
£543American Airlines
Find Deal
Wed, 22 Jan - Fri, 25 Apr

JetBlue flights from Philadelphia to London Heathrow Airport

Our best JetBlue deals on Philadelphia to London Heathrow Airport flight tickets
JetBlue
20 Jan
PHL11:10Philadelphia
13h 45m
1 stop
LHR05:55London Heathrow
28 Jan
LHR08:25London Heathrow
15h 42m
1 stop
PHL19:07Philadelphia
JetBlue
11 Jan
PHL11:10Philadelphia
13h 45m
1 stop
LHR05:55London Heathrow
17 Jan
LHR08:25London Heathrow
15h 42m
1 stop
PHL19:07Philadelphia
JetBlue
12 Jan
PHL19:53Philadelphia
29h 02m
1 stop
LHR05:55London Heathrow
21 Jan
LHR08:25London Heathrow
15h 42m
1 stop
PHL19:07Philadelphia

Iberia flights from Philadelphia to London Heathrow Airport

Our best Iberia deals on Philadelphia to London Heathrow Airport flight tickets
Iberia
20 Jan
PHL18:40Philadelphia
6h 55m
LHR06:35London Heathrow
28 Jan
LHR08:10London Heathrow
12h 25m
1 stop
PHL15:35Philadelphia
Iberia
23 Mar
PHL22:20Philadelphia
7h 00m
LHR09:20London Heathrow
4 Apr
LHR13:40London Heathrow
7h 55m
PHL16:35Philadelphia
Iberia
12 Jan
PHL21:21Philadelphia
6h 59m
LHR09:20London Heathrow
21 Jan
LHR08:10London Heathrow
12h 25m
1 stop
PHL15:35Philadelphia

See travel insights to London from

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. The most expensive is June.

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

Tuesday. The cheapest day of the week is usually Tuesday. The most expensive is usually Wednesday.

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

In the afternoon. Philadelphia to London Heathrow Airport flights are approximately 29% more expensive at midday than in the afternoon

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

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

You could potentially save up to 42% 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 5% 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 return 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

£182

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 £182. The best return flight deal from Philadelphia to London Heathrow Airport found on momondo in the last 72 hours is £399.
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?

    The distance between Philadelphia and London Heathrow is about 3526.0 mi. In terms of flight time, this usually takes a little over 6h 55m.

  • 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 are updated 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 travel and health documents you'll need for your trip to London Heathrow Airport 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 Heathrow Airport. 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 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
IberiaPriceFrom £460Free CancellationRating
7.0
2,662 reviews
Search Iberia flights
British AirwaysPriceFrom £484Free CancellationRating
6.6
6,837 reviews
Search British Airways flights
JetBluePriceFrom £484Free CancellationRating
7.4
3,394 reviews
Search JetBlue flights
Aer LingusPriceFrom £522Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From Philadelphia to London Heathrow Airport

    Aer Lingus flies from Philadelphia to London Heathrow Airport around 7 times per week, with 1,089 momondo users rating the airline 7.1/10. The cheapest Aer Lingus deal from Philadelphia to London Heathrow Airport in the last 72 hours was £662 (round-trip), much lower than the average airfare cost of £868 for Aer Lingus flights on this route.

  • Iberia Flights From Philadelphia to London Heathrow Airport

    The best Iberia deal for Philadelphia to London Heathrow Airport flight tickets found on momondo in the last 72 hours was £583, round-trip. It should be noted that an average Iberia flight deal for this route in this time was higher, at £869 round-trip. Iberia operates 14 flights out of Philadelphia into London Heathrow Airport in an average week, so prices vary by time and availability. 2,662 Iberia reviews by users on momondo have scored the airline at 7.0/10.


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?

momondo provides multiple filters to help you find the best flight to London from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Philadelphia and alert you when they change.


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