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Cheap flights from the United Kingdom to Philadelphia from £230

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Philadelphia departing on 3/9. 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 the United Kingdom to Philadelphia

Recent return flight deals from the United Kingdom to Philadelphia

Logo
14:00 - 23:59LGW-PHL
14h 59m1 stop
Logo
05:30 - 10:10PHL-LGW
23h 40m1 stop
£353
Find Deal
ven., 19 sept. - dim., 28 sept.
Logo
14:00 - 23:59LGW-PHL
14h 59m1 stop
Logo
20:43 - 10:00PHL-LGW
32h 17m1 stop
£353
Find Deal
ven., 12 sept. - lun., 6 oct.
Aer Lingus Logo
09:40 - 19:00EDI-PHL
14h 20m1 stop
Aer Lingus Logo
20:30 - 19:05PHL-EDI
17h 35m1 stop
£417Aer Lingus
Find Deal
jeu., 11 sept. - lun., 15 sept.
Aer Lingus Logo
12:00 - 19:00LHR-PHL
12h 00m1 stop
Aer Lingus Logo
20:30 - 12:40PHL-LHR
11h 10m1 stop
£418Aer Lingus
Find Deal
lun., 1 sept. - mar., 9 sept.
British Airways Logo
06:50 - 13:55LCY-PHL
12h 05m1 stop
British Airways Logo
21:10 - 12:40PHL-LCY
10h 30m1 stop
£503British Airways
Find Deal
mer., 26 nov. - mar., 2 déc.
Iberia Logo
11:35 - 13:55EDI-PHL
7h 20mdirect
Iberia Logo
19:20 - 07:10PHL-EDI
6h 50mdirect
£537Iberia
Find Deal
lun., 22 sept. - lun., 29 sept.
Iberia Logo
11:35 - 13:55EDI-PHL
7h 20mdirect
Iberia Logo
19:20 - 07:10PHL-EDI
6h 50mdirect
£537Iberia
Find Deal
mer., 10 sept. - mer., 1 oct.
British Airways Logo
07:55 - 15:30MAN-PHL
12h 35m1 stop
British Airways Logo
22:15 - 15:15PHL-MAN
12h 00m1 stop
£552British Airways
Find Deal
mar., 16 sept. - mar., 23 sept.
Finnair Logo
09:05 - 16:25MAN-PHL
12h 20m1 stop
Finnair Logo
18:30 - 19:20PHL-MAN
19h 50m1 stop
£579Finnair
Find Deal
jeu., 2 oct. - jeu., 9 oct.
Finnair Logo
14:45 - 16:15MAN-PHL
30h 30m1 stop
Finnair Logo
18:35 - 10:55PHL-MAN
11h 20m1 stop
£594Finnair
Find Deal
jeu., 27 nov. - dim., 30 nov.

Icelandair flights from United Kingdom to Philadelphia

Our best Icelandair deals on United Kingdom to Philadelphia flight tickets
Icelandair
14 Jan
LHR09:20London Heathrow
14h 12m
1 stop
PHL18:32Philadelphia
18 Jan
PHL19:30Philadelphia
30h 25m
1 stop
LHR06:55London Heathrow
£421
Find similar
Icelandair
11 Sept
LGW12:10London Gatwick
14h 40m
1 stop
PHL21:50Philadelphia
18 Sept
PHL15:55Philadelphia
12h 40m
1 stop
LGW09:35London Gatwick
£436
Find similar
Icelandair
18 Nov
LHR09:20London Heathrow
12h 17m
1 stop
PHL16:37Philadelphia
27 Nov
PHL16:43Philadelphia
9h 12m
1 stop
LHR06:55London Heathrow
£437
Find similar

JetBlue flights from United Kingdom to Philadelphia

Our best JetBlue deals on United Kingdom to Philadelphia flight tickets
JetBlue
3 Sept
LGW12:10London Gatwick
14h 14m
1 stop
PHL21:24Philadelphia
10 Sept
PHL15:55Philadelphia
12h 40m
1 stop
LGW09:35London Gatwick
£383
Find similar
JetBlue
27 Aug
LGW12:10London Gatwick
26h 30m
1 stop
PHL09:40Philadelphia
23 Sept
PHL10:20Philadelphia
18h 15m
1 stop
LGW09:35London Gatwick
£389
Find similar
JetBlue
8 Sept
LGW12:10London Gatwick
14h 40m
1 stop
PHL21:50Philadelphia
15 Sept
PHL07:00Philadelphia
21h 35m
1 stop
LGW09:35London Gatwick
£393
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 7 août 2025.
Use the filters below to find and compare flights from the United Kingdom to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

ven. 19/9

14:00-23:59

1 stop14h 59m

Philadelphia

dim. 28/9

05:30-10:10

1 stop23h 40m

£353

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

ven. 12/9

14:00-23:59

1 stop14h 59m

Philadelphia

lun. 6/10

20:43-10:00

1 stop32h 17m

£353

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

jeu. 11/9

09:40-19:00

1 stop14h 20m

Philadelphia

lun. 15/9

20:30-19:05

1 stop17h 35m

£417

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

lun. 1/9

12:00-19:00

1 stop12h 00m

Philadelphia

mar. 9/9

20:30-12:40

1 stop11h 10m

£418

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

mer. 26/11

06:50-13:55

1 stop12h 05m

Philadelphia

mar. 2/12

21:10-12:40

1 stop10h 30m

£503

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

lun. 22/9

11:35-13:55

Nonstop7h 20m

Philadelphia

lun. 29/9

19:20-07:10

Nonstop6h 50m

£537

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

mer. 10/9

11:35-13:55

Nonstop7h 20m

Philadelphia

mer. 1/10

19:20-07:10

Nonstop6h 50m

£537

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

mar. 16/9

07:55-15:30

1 stop12h 35m

Philadelphia

mar. 23/9

22:15-15:15

1 stop12h 00m

£552

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

jeu. 2/10

09:05-16:25

1 stop12h 20m

Philadelphia

jeu. 9/10

18:30-19:20

1 stop19h 50m

£579

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

jeu. 27/11

14:45-16:15

1 stop30h 30m

Philadelphia

dim. 30/11

18:35-10:55

1 stop11h 20m

£594

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Philadelphia from

How to get the cheapest flight ticket from United Kingdom 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?

If you aren’t able to travel during the month of February, then book flights to Philadelphia from United Kingdom during September instead. Flights to Philadelphia in September, while not as cheap as those in February, still average around £510.

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

Our data shows that Tuesday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as £604. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £665.

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

The cheapest time of day to fly to Philadelphia is in the afternoon when flights can be purchased for as low as £505. At midday is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £635 per ticket.

What is the cheapest United Kingdom to Philadelphia flight route?

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

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

You are more likely to see cheaper flights to Philadelphia from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around £565 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from United Kingdom for as low as £514 on momondo.

What cabin class options are available on United Kingdom to Philadelphia flights?

There are 3 cabin classes available to choose from on United Kingdom 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 United Kingdom to Philadelphia flights?

You could potentially save up to 1% on your flight if you consider stops on a United Kingdom to Philadelphia flight.

Cheap United Kingdom to Philadelphia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Philadelphia

Best price found

£230

Fastest flight time

7h 20m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from United Kingdom in the past 72 hours is £230. The best return flight deal from United Kingdom to Philadelphia found on momondo in the last 72 hours is £353.
The fastest flight from United Kingdom to Philadelphia takes 7h 20m
Direct flights go from United Kingdom to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)
Search flight deals

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

    Prices for flights from United Kingdom to Philadelphia Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from United Kingdom to Philadelphia Airport?

  • How old do you have to be to fly from United Kingdom 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 United Kingdom to Philadelphia Airport.

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

    The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from United Kingdom to Philadelphia?

Best airlines flying from United Kingdom to Philadelphia

Compare and see reviews for airlines that fly from United Kingdom to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom £304Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights
KLMPriceFrom £306Free CancellationRating
7.8
1,381 reviews
Search KLM flights
IcelandairPriceFrom £338Free CancellationRating
7.0
524 reviews
Search Icelandair flights
Air CanadaPriceFrom £340Free CancellationRating
7.1
9,893 reviews
Search Air Canada flights
JetBluePriceFrom £361Free CancellationRating
7.2
2,915 reviews
Search JetBlue flights
British AirwaysPriceFrom £406Free CancellationRating
6.6
7,245 reviews
Search British Airways flights
LufthansaPriceFrom £416Free CancellationRating
6.8
7,289 reviews
Search Lufthansa flights
Aer LingusPriceFrom £443Free CancellationRating
7.1
1,201 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom £446Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £446Free CancellationRating
7.6
1,319 reviews
Search Finnair flights

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Dover
Newark
Reading
Vineland
King of Prussia
Cape May
Essington
Rehoboth Beach
Cherry Hill
Dewey Beach

Why use momondo?

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

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

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

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

How can momondo help me find flights from United Kingdom 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 United Kingdom to Philadelphia.

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

Of course. momondo tracks the price of United Kingdom to Philadelphia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Philadelphia trip

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