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Cheap flights from Philadelphia to London from $190

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 1/12. 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.
9:40 am - 10:00 amPHL-LGW
19h 20m1 stop
2:00 pm - 9:25 pmLGW-PHL
36h 25m1 stop
Sat, Jan 11 - Mon, Jan 27
12:30 pm - 8:15 amPHL-LGW
14h 45m1 stop
2:00 pm - 10:58 amLGW-PHL
25h 58m1 stop
Mon, Jan 27 - Fri, Jan 31
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
6:30 am - 4:40 pmLHR-PHL
15h 10m1 stop
$532British Airways
Find Deal
Tue, Dec 31 - Thu, Jan 23
9:15 pm - 9:20 amPHL-LHR
7h 05mnonstop
7:30 am - 3:35 pmLHR-PHL
13h 05m1 stop
$537Iberia
Find Deal
Tue, Dec 31 - Fri, Jan 31
9:31 pm - 12:15 pmPHL-LHR
9h 44m1 stop
6:30 am - 4:40 pmLHR-PHL
15h 10m1 stop
$541British Airways
Find Deal
Sun, Jan 12 - Tue, Jan 21
9:15 pm - 9:20 amPHL-LHR
7h 05mnonstop
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
$550Iberia
Find Deal
Tue, Dec 31 - Thu, Jan 23
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
8:50 am - 4:40 pmLHR-PHL
12h 50m1 stop
$558American Airlines
Find Deal
Sun, Jan 12 - Tue, Jan 21
9:31 pm - 1:25 pmPHL-LHR
10h 54m1 stop
7:50 am - 4:35 pmLHR-PHL
13h 45m1 stop
$561American Airlines
Find Deal
Wed, Feb 12 - Wed, Feb 19
9:31 pm - 8:40 pmPHL-LCY
18h 09m1 stop
6:50 am - 4:40 pmLCY-PHL
14h 50m1 stop
$999Aer Lingus
Find Deal
Thu, Jan 16 - Tue, Jan 21
9:31 pm - 12:40 pmPHL-LCY
10h 09m1 stop
9:10 am - 4:40 pmLCY-PHL
12h 30m1 stop
$1,002Aer Lingus
Find Deal
Wed, Jan 8 - Wed, Jan 15
10:15 pm - 10:00 amPHL-LGW
30h 45m1 stop
Sun, Jan 12
6:39 am - 10:00 amPHL-LGW
22h 21m1 stop
Sat, Jan 11
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
$353Iberia
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Sun, Jan 12
9:31 pm - 6:35 pmPHL-LCY
16h 04m1 stop
$384British Airways
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Sun, Jan 12
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
$403Iberia
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Fri, Jan 24
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
$431British Airways
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Sun, Jan 12
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
$461American Airlines
Find Deal
Tue, Jan 14
5:30 pm - 5:50 pmPHL-LHR
19h 20m1 stop
$468Aer Lingus
Find Deal
Wed, Dec 4
5:30 pm - 9:00 pmPHL-LHR
22h 30m1 stop
$475Aer Lingus
Find Deal
Tue, Dec 3
6:35 pm - 11:10 amPHL-LHR
11h 35m1 stop
$491American Airlines
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Thu, Apr 17
12:12 pm - 10:00 amPHL-LGW
16h 48m1 stop
2:00 pm - 10:00 amLGW-PHL
25h 00m1 stop
Thu, Nov 28 - Thu, Dec 5
12:42 pm - 10:00 amPHL-LGW
16h 18m2 stops
2:00 pm - 10:00 amLGW-PHL
25h 00m1 stop
Thu, Nov 28 - Thu, Dec 5
6:00 am - 10:00 amPHL-LGW
23h 00m1 stop
2:00 pm - 10:00 amLGW-PHL
25h 00m1 stop
Fri, Nov 29 - Thu, Dec 5
5:30 pm - 4:50 pmPHL-LHR
18h 20m1 stop
8:45 pm - 4:00 pmLHR-PHL
24h 15m1 stop
$994Aer Lingus
Find Deal
Fri, Nov 29 - Fri, Dec 6
5:30 pm - 8:05 amPHL-LHR
9h 35m1 stop
7:50 am - 4:00 pmLHR-PHL
13h 10m1 stop
$1,057Aer Lingus
Find Deal
Sat, Nov 30 - Sat, Dec 7
9:25 pm - 9:40 pmPHL-LCY
19h 15m1 stop
6:55 pm - 3:20 pmLCY-PHL
25h 25m1 stop
$1,947British Airways
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Sun, Dec 1 - Tue, Dec 3
9:25 pm - 4:25 pmPHL-LCY
14h 00m1 stop
7:25 pm - 4:25 pmLCY-PHL
26h 00m1 stop
$1,965British Airways
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Sun, Dec 1 - Mon, Dec 2
9:20 pm - 9:20 amPHL-LHR
7h 00mnonstop
7:50 am - 4:25 pmLHR-PHL
13h 35m1 stop
$2,344American Airlines
Find Deal
Sat, Nov 30 - Fri, Dec 6
9:20 pm - 9:20 amPHL-LHR
7h 00mnonstop
7:20 am - 4:25 pmLHR-PHL
14h 05m1 stop
$2,575Iberia
Find Deal
Sat, Nov 30 - Mon, Dec 2
9:05 pm - 6:50 pmPHL-LGW
16h 45m1 stop
6:50 am - 4:25 pmLGW-PHL
14h 35m1 stop
$3,079Iberia
Find Deal
Thu, Nov 28 - Mon, Dec 2
9:15 pm - 9:20 amPHL-LHR
7h 05mnonstop
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
$550Iberia
Find Deal
Tue, Dec 31 - Thu, Jan 23
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$554Iberia
Find Deal
Mon, Jan 13 - Thu, Jan 23
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
$555Iberia
Find Deal
Wed, Jan 15 - Wed, Jan 22
9:15 pm - 9:20 amPHL-LHR
7h 05mnonstop
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
$580Finnair
Find Deal
Tue, Dec 31 - Tue, Jan 28
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$621British Airways
Find Deal
Fri, Jan 10 - Fri, Jan 17
9:15 pm - 9:20 amPHL-LHR
7h 05mnonstop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$630Finnair
Find Deal
Tue, Dec 31 - Sun, Feb 2
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
$640American Airlines
Find Deal
Fri, Jan 10 - Tue, Jan 14
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
10:15 am - 1:30 pmLHR-PHL
8h 15mnonstop
$641British Airways
Find Deal
Thu, Jan 9 - Wed, Jan 15
9:21 pm - 9:20 amPHL-LHR
6h 59mnonstop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$729American Airlines
Find Deal
Wed, Jan 22 - Tue, Jan 28
6:40 pm - 6:35 amPHL-LHR
6h 55mnonstop
1:10 pm - 4:20 pmLHR-PHL
8h 10mnonstop
$791Aer Lingus
Find Deal
Sun, Jan 12 - Tue, Jan 21

British Airways flights from Philadelphia to London

Our best British Airways deals on Philadelphia to London flight tickets
British Airways
Dec 31
PHL6:40 pmPhiladelphia
6h 55m
LHR6:35 amLondon Heathrow
Jan 23
LHR6:30 amLondon Heathrow
15h 10m
1 stop
PHL4:40 pmPhiladelphia
British Airways
Jan 12
PHL9:31 pmPhiladelphia
9h 44m
1 stop
LHR12:15 pmLondon Heathrow
Jan 21
LHR6:30 amLondon Heathrow
15h 10m
1 stop
PHL4:40 pmPhiladelphia
British Airways
Jan 13
PHL9:31 pmPhiladelphia
9h 59m
1 stop
LHR12:30 pmLondon Heathrow
Jan 23
LHR8:20 amLondon Heathrow
12h 15m
1 stop
PHL3:35 pmPhiladelphia

Scandinavian Airlines flights from Philadelphia to London

Our best Scandinavian Airlines deals on Philadelphia to London flight tickets
Scandinavian Airlines
Apr 15
PHL10:45 amPhiladelphia
17h 35m
2 stops
LHR9:20 amLondon Heathrow
Apr 29
LHR6:40 amLondon Heathrow
19h 33m
2 stops
PHL9:13 pmPhiladelphia
Scandinavian Airlines
Jan 29
PHL11:20 amPhiladelphia
24h 05m
3 stops
LHR4:25 pmLondon Heathrow
Mar 4
LHR6:40 amLondon Heathrow
19h 43m
2 stops
PHL9:23 pmPhiladelphia
Scandinavian Airlines
Dec 4
PHL10:45 amPhiladelphia
22h 50m
3 stops
LHR2:35 pmLondon Heathrow
Dec 11
LHR6:40 amLondon Heathrow
23h 15m
2 stops
PHL12:55 amPhiladelphia

See travel insights to London from

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?

The cheapest month to fly to London from Philadelphia is in February. Flight prices, which tend to average around $689, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Philadelphia averaging around $700.

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

The cheapest day to depart from Philadelphia to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $810. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $924. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Philadelphia at noon is the least expensive time of day to depart. momondo users have found prices as low as $769 when looking at flights departing at noon. Flights to London are more costly in the evening, with an average ticket price of $867. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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?

Most flyers found that booking tickets 25 days in advance of their planned departure date is the best time to get cheap flights to London. During this timeframe, flight prices are around $824. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $606.

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

There are 4 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 46% 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 2024, prices for Philadelphia to London flights are approximately 7% 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 round-trip 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

$190

Fastest flight time

6h 55m

Direct flights

Every day

Airports in London

5 airports
The best one-way flight to London from Philadelphia in the past 72 hours is $190. The best round-trip flight deal from Philadelphia to London found on momondo in the last 72 hours is $500.
The fastest flight from Philadelphia to London takes 6h 55m
Direct flights go from Philadelphia to London every day.
There are 5 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

  • How far is Philadelphia to London by plane?

    A flight from Philadelphia to London will travel around 3538.9 mi. Typically, this will take 6h 55m by plane in normal conditions.

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

    Prices for flights from Philadelphia Airport to London refresh daily.

  • 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?

    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 required travel and health documents for your London 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. 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?

  • 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
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $467Free CancellationRating
7.4
3,362 reviews
Search JetBlue flights
Virgin AtlanticPriceFrom $514Free CancellationRating
7.5
662 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom $525Free CancellationRating
6.8
7,141 reviews
Search Lufthansa flights
Air CanadaPriceFrom $529Free CancellationRating
7.0
8,270 reviews
Search Air Canada flights
American AirlinesPriceFrom $564Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $578Free CancellationRating
7.0
2,669 reviews
Search Iberia flights
DeltaPriceFrom $625Free CancellationRating
8.0
8,730 reviews
Search Delta flights
Aer LingusPriceFrom $632Free CancellationRating
7.1
1,083 reviews
Search Aer Lingus flights
FinnairPriceFrom $634Free CancellationRating
7.7
1,295 reviews
Search Finnair flights
British AirwaysPriceFrom $636Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
  • Finnair Flights From Philadelphia to London

    Finnair operates around 14 flights from Philadelphia to London every week. The average price of these flights found in the last 72 hours has been $889, but momondo users have found Finnair deals from Philadelphia to London from as low as $634 round-trip. Finnair has been scored 7.7/10 in 1,295 reviews.

  • American Airlines Flights From Philadelphia to London

    $564 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 $848, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 10,000 user reviews) flies into London from Philadelphia 14 times in an average week so prices can vary.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Philadelphia.

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

Yes. momondo allows you to filter the results for Philadelphia to London flights to just show those with flexible booking policies.

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

Once you have performed a search for Philadelphia to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to London from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London