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Cheap flights from the United Kingdom to Philadelphia from $307

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 9/3. 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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0 bags

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Find the cheapest flights from the United Kingdom to Philadelphia

Recent round-trip flight deals from the United Kingdom to Philadelphia

Logo
2:00 pm - 11:59 pmLGW-PHL
14h 59m1 stop
Logo
5:30 am - 10:10 amPHL-LGW
23h 40m1 stop
$470
Find Deal
Fri, Sep 19 - Sun, Sep 28
Logo
2:00 pm - 11:59 pmLGW-PHL
14h 59m1 stop
Logo
8:43 pm - 10:00 amPHL-LGW
32h 17m1 stop
$471
Find Deal
Fri, Sep 12 - Mon, Oct 6
Aer Lingus Logo
9:40 am - 7:00 pmEDI-PHL
14h 20m1 stop
Aer Lingus Logo
8:30 pm - 7:05 pmPHL-EDI
17h 35m1 stop
$556Aer Lingus
Find Deal
Thu, Sep 11 - Mon, Sep 15
Aer Lingus Logo
12:00 pm - 7:00 pmLHR-PHL
12h 00m1 stop
Aer Lingus Logo
8:30 pm - 12:40 pmPHL-LHR
11h 10m1 stop
$557Aer Lingus
Find Deal
Mon, Sep 1 - Tue, Sep 9
British Airways Logo
7:50 am - 1:55 pmLHR-PHL
11h 05m1 stop
British Airways Logo
6:35 pm - 6:35 amPHL-LHR
7h 00mnonstop
$622British Airways
Find Deal
Mon, Dec 1 - Tue, Dec 9
British Airways Logo
6:50 am - 1:55 pmLCY-PHL
12h 05m1 stop
British Airways Logo
9:10 pm - 12:40 pmPHL-LCY
10h 30m1 stop
$670British Airways
Find Deal
Wed, Nov 26 - Tue, Dec 2
Iberia Logo
11:35 am - 1:55 pmEDI-PHL
7h 20mnonstop
Iberia Logo
7:20 pm - 7:10 amPHL-EDI
6h 50mnonstop
$715Iberia
Find Deal
Mon, Sep 22 - Mon, Sep 29
Iberia Logo
11:35 am - 1:55 pmEDI-PHL
7h 20mnonstop
Iberia Logo
7:20 pm - 7:10 amPHL-EDI
6h 50mnonstop
$716Iberia
Find Deal
Wed, Sep 10 - Wed, Oct 1
American Airlines Logo
9:40 am - 4:15 pmMAN-PHL
11h 35m1 stop
American Airlines Logo
3:35 pm - 9:10 amPHL-MAN
12h 35m2 stops
$755American Airlines
Find Deal
Tue, Nov 18 - Thu, Jan 8
American Airlines Logo
6:15 am - 6:07 pmMAN-PHL
16h 52m2 stops
American Airlines Logo
6:35 pm - 3:00 pmPHL-MAN
15h 25m2 stops
$761American Airlines
Find Deal
Tue, Nov 18 - Wed, Jan 7

JetBlue flights from United Kingdom to Philadelphia

Our best JetBlue deals on United Kingdom to Philadelphia flight tickets
JetBlue
Aug 27
LGW12:10 pmLondon Gatwick
26h 30m
1 stop
PHL9:40 amPhiladelphia
Sep 23
PHL10:20 amPhiladelphia
18h 15m
1 stop
LGW9:35 amLondon Gatwick
$519
Find similar
JetBlue
Sep 8
LGW12:10 pmLondon Gatwick
14h 40m
1 stop
PHL9:50 pmPhiladelphia
Sep 15
PHL7:00 amPhiladelphia
21h 35m
1 stop
LGW9:35 amLondon Gatwick
$524
Find similar
JetBlue
Sep 1
LGW12:10 pmLondon Gatwick
26h 30m
1 stop
PHL9:40 amPhiladelphia
Sep 9
PHL6:10 pmPhiladelphia
10h 25m
1 stop
LGW9:35 amLondon Gatwick
$531
Find similar

Icelandair flights from United Kingdom to Philadelphia

Our best Icelandair deals on United Kingdom to Philadelphia flight tickets
Icelandair
Jan 14
LHR9:20 amLondon Heathrow
14h 12m
1 stop
PHL6:32 pmPhiladelphia
Jan 18
PHL7:30 pmPhiladelphia
30h 25m
1 stop
LHR6:55 amLondon Heathrow
$561
Find similar
Icelandair
Sep 11
LGW12:10 pmLondon Gatwick
14h 40m
1 stop
PHL9:50 pmPhiladelphia
Sep 18
PHL3:55 pmPhiladelphia
12h 40m
1 stop
LGW9:35 amLondon Gatwick
$581
Find similar
Icelandair
Nov 18
LHR9:20 amLondon Heathrow
12h 17m
1 stop
PHL4:37 pmPhiladelphia
Nov 27
PHL4:43 pmPhiladelphia
9h 12m
1 stop
LHR6:55 amLondon Heathrow
$583
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated August 6, 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

Fri 9/19

2:00 pm-11:59 pm

1 stop14h 59m

Philadelphia

Sun 9/28

5:30 am-10:10 am

1 stop23h 40m

$470

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 9/12

2:00 pm-11:59 pm

1 stop14h 59m

Philadelphia

Mon 10/6

8:43 pm-10:00 am

1 stop32h 17m

$471

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Thu 9/11

9:40 am-7:00 pm

1 stop14h 20m

Philadelphia

Mon 9/15

8:30 pm-7:05 pm

1 stop17h 35m

$556

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 9/1

12:00 pm-7:00 pm

1 stop12h 00m

Philadelphia

Tue 9/9

8:30 pm-12:40 pm

1 stop11h 10m

$557

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 12/1

7:50 am-1:55 pm

1 stop11h 05m

Philadelphia

Tue 12/9

6:35 pm-6:35 am

Nonstop7h 00m

$622

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Wed 11/26

6:50 am-1:55 pm

1 stop12h 05m

Philadelphia

Tue 12/2

9:10 pm-12:40 pm

1 stop10h 30m

$670

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Mon 9/22

11:35 am-1:55 pm

Nonstop7h 20m

Philadelphia

Mon 9/29

7:20 pm-7:10 am

Nonstop6h 50m

$715

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Wed 9/10

11:35 am-1:55 pm

Nonstop7h 20m

Philadelphia

Wed 10/1

7:20 pm-7:10 am

Nonstop6h 50m

$716

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

Tue 11/18

9:40 am-4:15 pm

1 stop11h 35m

Philadelphia

Thu 1/8

3:35 pm-9:10 am

2 stops12h 35m

$755

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

Tue 11/18

6:15 am-6:07 pm

2 stops16h 52m

Philadelphia

Wed 1/7

6:35 pm-3:00 pm

2 stops15h 25m

$761

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The cheapest month to fly to Philadelphia from United Kingdom is in February. Flight prices, which tend to average around $663, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Philadelphia, with average flight prices from United Kingdom averaging around $679.

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

The cheapest day to depart from United Kingdom to Philadelphia is on a Tuesday. Travelers who choose to depart for Philadelphia on a Tuesday will often find tickets for as low as $761. On the other hand, Friday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $908.

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 United Kingdom 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 at noon when prices are around $820.

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 $754 when searching weeks out. 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 $685 on momondo.

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

There are 4 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 36% 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

$307

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 $307. The best round-trip flight deal from United Kingdom to Philadelphia found on momondo in the last 72 hours is $470.
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 were last updated today.

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 you'll need for your trip to Philadelphia 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 Philadelphia 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 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
IberiaPriceFrom $559Free CancellationRating
7.0
2,865 reviews
Search Iberia flights
American AirlinesPriceFrom $592Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Aer LingusPriceFrom $599Free CancellationRating
7.1
1,201 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $600Free CancellationRating
6.6
7,245 reviews
Search British Airways flights
FinnairPriceFrom $648Free CancellationRating
7.6
1,319 reviews
Search Finnair flights

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Rehoboth Beach
Cape May
Ocean City
Wildwood Crest
King of Prussia
Reading
Dewey Beach
Newark
North Wildwood
Dover
Cherry Hill
Lewes
Avalon
Stone Harbor
Vineland
Exton
Essington
Pottstown
New Castle

Why use momondo?

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

Finding the right flight to Philadelphia from United Kingdom is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Philadelphia quick and easy, saving you time and money.

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

All flight searches from United Kingdom to Philadelphia on momondo can be filtered to show those which offer 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?

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

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