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Cheap flights from the United Kingdom to Philadelphia from $284

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 1/28. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 am - 2:00 pmBHX-PHL
10h 20m1 stop
Multiple Airlines Logo
9:20 pm - 2:00 pmPHL-BHX
11h 40m1 stop
$561Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
7:45 am - 4:00 pmEDI-PHL
13h 15m1 stop
Multiple Airlines Logo
5:30 pm - 7:25 amPHL-EDI
8h 55m1 stop
$595Multiple Airlines
Find Deal
Thu, Dec 11 - Sun, Dec 14
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
$638British Airways
Find Deal
Tue, Dec 2 - Tue, Dec 9
British Airways Logo
6:30 am - 2:55 pmLHR-PHL
12h 25m1 stop
British Airways Logo
7:35 pm - 6:35 amPHL-LHR
7h 00mnonstop
$641British Airways
Find Deal
Wed, Mar 11 - Mon, Mar 23
Aer Lingus Logo
7:50 am - 4:00 pmLHR-PHL
13h 10m1 stop
Aer Lingus Logo
5:30 pm - 9:05 amPHL-LHR
10h 35m1 stop
$659Aer Lingus
Find Deal
Fri, Dec 5 - Fri, Dec 12
American Airlines Logo
7:50 am - 1:55 pmLHR-PHL
11h 05m1 stop
American Airlines Logo
7:50 pm - 7:50 amPHL-LHR
7h 00mnonstop
$672American Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
Aer Lingus Logo
8:15 am - 4:00 pmBHX-PHL
12h 45m1 stop
Aer Lingus Logo
5:30 pm - 8:40 amPHL-BHX
10h 10m1 stop
$683Aer Lingus
Find Deal
Sat, Nov 22 - Tue, Dec 2
Iberia Logo
7:50 am - 3:30 pmLCY-PHL
12h 40m1 stop
Iberia Logo
7:55 pm - 2:05 pmPHL-LCY
13h 10m1 stop
$772Iberia
Find Deal
Thu, Dec 4 - Thu, Dec 11
Iberia Logo
7:50 am - 3:30 pmLCY-PHL
12h 40m1 stop
Iberia Logo
7:55 pm - 2:05 pmPHL-LCY
13h 10m1 stop
$775Iberia
Find Deal
Fri, Dec 5 - Wed, Dec 10
American Airlines Logo
6:05 am - 1:15 pmEDI-PHL
12h 10m1 stop
American Airlines Logo
7:50 pm - 1:15 pmPHL-EDI
12h 25m1 stop
$817American Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15

Air Canada flights from United Kingdom to Philadelphia

Our best Air Canada deals on United Kingdom to Philadelphia flight tickets
Air Canada
Dec 2
LHR6:50 amLondon Heathrow
13h 00m
2 stops
PHL2:50 pmPhiladelphia
Dec 9
PHL7:50 amPhiladelphia
18h 20m
2 stops
LHR7:10 amLondon Heathrow
$622
Find similar
Air Canada
Dec 10
LHR11:05 amLondon Heathrow
32h 45m
2 stops
PHL2:50 pmPhiladelphia
Jan 12
PHL4:35 pmPhiladelphia
33h 35m
2 stops
LHR7:10 amLondon Heathrow
$635
Find similar
Air Canada
Dec 8
LHR1:25 pmLondon Heathrow
30h 25m
1 stop
PHL2:50 pmPhiladelphia
Dec 15
PHL7:50 amPhiladelphia
18h 20m
2 stops
LHR7:10 amLondon Heathrow
$636
Find similar

British Airways flights from United Kingdom to Philadelphia

Our best British Airways deals on United Kingdom to Philadelphia flight tickets
British Airways
Dec 2
LHR7:50 amLondon Heathrow
11h 05m
1 stop
PHL1:55 pmPhiladelphia
Dec 9
PHL6:35 pmPhiladelphia
7h 00m
LHR6:35 amLondon Heathrow
$638
Find similar
British Airways
Mar 11
LHR6:30 amLondon Heathrow
12h 25m
1 stop
PHL2:55 pmPhiladelphia
Mar 23
PHL7:35 pmPhiladelphia
7h 00m
LHR6:35 amLondon Heathrow
$641
Find similar
British Airways
Dec 16
LHR7:50 amLondon Heathrow
11h 10m
1 stop
PHL2:00 pmPhiladelphia
Jan 15
PHL6:35 pmPhiladelphia
7h 00m
LHR6:35 amLondon Heathrow
$666
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 November 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

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Wed 12/3

8:40 am-2:00 pm

1 stop10h 20m

Philadelphia

Wed 12/10

9:20 pm-2:00 pm

1 stop11h 40m

$561

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Thu 12/11

7:45 am-4:00 pm

1 stop13h 15m

Philadelphia

Sun 12/14

5:30 pm-7:25 am

1 stop8h 55m

$595

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 12/2

7:50 am-1:55 pm

1 stop11h 05m

Philadelphia

Tue 12/9

6:35 pm-6:35 am

Nonstop7h 00m

$638

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 3/11

6:30 am-2:55 pm

1 stop12h 25m

Philadelphia

Mon 3/23

7:35 pm-6:35 am

Nonstop7h 00m

$641

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Fri 12/5

7:50 am-4:00 pm

1 stop13h 10m

Philadelphia

Fri 12/12

5:30 pm-9:05 am

1 stop10h 35m

$659

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 12/2

7:50 am-1:55 pm

1 stop11h 05m

Philadelphia

Tue 12/9

7:50 pm-7:50 am

Nonstop7h 00m

$672

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Sat 11/22

8:15 am-4:00 pm

1 stop12h 45m

Philadelphia

Tue 12/2

5:30 pm-8:40 am

1 stop10h 10m

$683

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Thu 12/4

7:50 am-3:30 pm

1 stop12h 40m

Philadelphia

Thu 12/11

7:55 pm-2:05 pm

1 stop13h 10m

$772

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Fri 12/5

7:50 am-3:30 pm

1 stop12h 40m

Philadelphia

Wed 12/10

7:55 pm-2:05 pm

1 stop13h 10m

$775

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Mon 12/8

6:05 am-1:15 pm

1 stop12h 10m

Philadelphia

Mon 12/15

7:50 pm-1:15 pm

1 stop12h 25m

$817

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 $665, 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 $670.

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 $766. On the other hand, Monday 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 $890.

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 in the morning 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 $765 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 $679 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 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

$572

Fastest flight time

7h 25m

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 $572. The best round-trip flight deal from United Kingdom to Philadelphia found on momondo in the last 72 hours is $723.
The fastest flight from United Kingdom to Philadelphia takes 7h 25m
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
3,007 reviews
Search Iberia flights
American AirlinesPriceFrom $597Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
British AirwaysPriceFrom $609Free CancellationRating
6.7
7,499 reviews
Search British Airways flights
FinnairPriceFrom $642Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
Aer LingusPriceFrom $670Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights

Traveling to a place near Philadelphia?

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

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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