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Cheap flights from the United Kingdom to Philadelphia from £213

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 21/10. 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 return flight deals from the United Kingdom to Philadelphia

Multiple Airlines Logo
07:45 - 16:00EDI-PHL
13h 15m1 stop
Multiple Airlines Logo
17:30 - 07:50PHL-EDI
9h 20m1 stop
£375Multiple Airlines
Find Deal
Thu, 6 Nov - Thu, 13 Nov
Multiple Airlines Logo
07:15 - 16:00GLA-PHL
13h 45m1 stop
Multiple Airlines Logo
17:30 - 07:55PHL-GLA
9h 25m1 stop
£391Multiple Airlines
Find Deal
Thu, 6 Nov - Thu, 13 Nov
British Airways Logo
07:50 - 13:55LHR-PHL
11h 05m1 stop
British Airways Logo
12:43 - 06:55PHL-LHR
13h 12m1 stop
£443British Airways
Find Deal
Fri, 21 Nov - Thu, 27 Nov
Finnair Logo
19:10 - 13:34LHR-PHL
23h 24m1 stop
Finnair Logo
15:35 - 10:25PHL-LHR
13h 50m2 stops
£449Finnair
Find Deal
Mon, 5 Jan - Tue, 27 Jan
British Airways Logo
10:15 - 13:25LHR-PHL
8h 10mdirect
British Airways Logo
18:35 - 06:35PHL-LHR
7h 00mdirect
£451British Airways
Find Deal
Tue, 18 Nov - Thu, 27 Nov
Aer Lingus Logo
08:10 - 19:00MAN-PHL
15h 50m1 stop
Aer Lingus Logo
20:30 - 15:45PHL-MAN
14h 15m1 stop
£488Aer Lingus
Find Deal
Sat, 4 Oct - Thu, 9 Oct
Aer Lingus Logo
08:10 - 19:00MAN-PHL
15h 50m1 stop
Aer Lingus Logo
20:30 - 13:50PHL-MAN
12h 20m1 stop
£492Aer Lingus
Find Deal
Fri, 3 Oct - Mon, 6 Oct
Finnair Logo
12:45 - 14:15GLA-PHL
29h 30m1 stop
Finnair Logo
19:45 - 13:05PHL-GLA
12h 20m1 stop
£514Finnair
Find Deal
Mon, 27 Oct - Tue, 4 Nov
Iberia Logo
15:25 - 13:05GLA-PHL
26h 40m1 stop
Iberia Logo
20:45 - 15:10PHL-GLA
14h 25m1 stop
£614Iberia
Find Deal
Mon, 20 Oct - Thu, 30 Oct
Iberia Logo
15:25 - 13:05GLA-PHL
26h 40m1 stop
Iberia Logo
20:45 - 15:10PHL-GLA
14h 25m1 stop
£619Iberia
Find Deal
Mon, 20 Oct - Thu, 30 Oct

Air Canada flights from United Kingdom to Philadelphia

Our best Air Canada deals on United Kingdom to Philadelphia flight tickets
Air Canada
30 Sept
LHR06:50London Heathrow
19h 48m
2 stops
PHL21:38Philadelphia
5 Oct
PHL09:20Philadelphia
19h 15m
1 stop
LHR09:35London Heathrow
£447
Find similar
Air Canada
1 Nov
LHR13:25London Heathrow
30h 22m
1 stop
PHL15:47Philadelphia
24 Nov
PHL15:30Philadelphia
10h 40m
1 stop
LHR07:10London Heathrow
£450
Find similar
Air Canada
5 Dec
LHR06:50London Heathrow
12h 57m
2 stops
PHL14:47Philadelphia
6 Jan
PHL15:30Philadelphia
10h 40m
1 stop
LHR07:10London Heathrow
£451
Find similar

United Airlines flights from United Kingdom to Philadelphia

Our best United Airlines deals on United Kingdom to Philadelphia flight tickets
United Airlines
22 Nov
LHR09:30London Heathrow
12h 05m
1 stop
PHL16:35Philadelphia
29 Nov
PHL15:30Philadelphia
10h 40m
1 stop
LHR07:10London Heathrow
£439
Find similar
United Airlines
22 Nov
LHR11:30London Heathrow
16h 26m
2 stops
PHL22:56Philadelphia
29 Nov
PHL15:00Philadelphia
10h 40m
1 stop
LHR06:40London Heathrow
£439
Find similar
United Airlines
1 Oct
LHR07:45London Heathrow
16h 12m
2 stops
PHL18:57Philadelphia
5 Oct
PHL10:32Philadelphia
15h 23m
1 stop
LHR06:55London Heathrow
£440
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 23 September 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

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Thu 6/11

07:45-16:00

1 stop13h 15m

Philadelphia

Thu 13/11

17:30-07:50

1 stop9h 20m

£375

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Thu 6/11

07:15-16:00

1 stop13h 45m

Philadelphia

Thu 13/11

17:30-07:55

1 stop9h 25m

£391

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Fri 21/11

07:50-13:55

1 stop11h 05m

Philadelphia

Thu 27/11

12:43-06:55

1 stop13h 12m

£443

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 5/1

19:10-13:34

1 stop23h 24m

Philadelphia

Tue 27/1

15:35-10:25

2 stops13h 50m

£449

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 18/11

10:15-13:25

Nonstop8h 10m

Philadelphia

Thu 27/11

18:35-06:35

Nonstop7h 00m

£451

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

Sat 4/10

08:10-19:00

1 stop15h 50m

Philadelphia

Thu 9/10

20:30-15:45

1 stop14h 15m

£488

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

Fri 3/10

08:10-19:00

1 stop15h 50m

Philadelphia

Mon 6/10

20:30-13:50

1 stop12h 20m

£492

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Mon 27/10

12:45-14:15

1 stop29h 30m

Philadelphia

Tue 4/11

19:45-13:05

1 stop12h 20m

£514

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Mon 20/10

15:25-13:05

1 stop26h 40m

Philadelphia

Thu 30/10

20:45-15:10

1 stop14h 25m

£614

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Mon 20/10

15:25-13:05

1 stop26h 40m

Philadelphia

Thu 30/10

20:45-15:10

1 stop14h 25m

£619

Flights are sorted by cheapest return 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?

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 £494.

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 £602. 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 £662.

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 £498. At midday is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £633 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 £560 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 £515 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 14% 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

£505

Fastest flight time

7h 55m

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 £505. The best return flight deal from United Kingdom to Philadelphia found on momondo in the last 72 hours is £493.
The fastest flight from United Kingdom to Philadelphia takes 7h 55m
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 £301Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
KLMPriceFrom £303Free CancellationRating
7.8
1,387 reviews
Search KLM flights
IcelandairPriceFrom £333Free CancellationRating
7.0
545 reviews
Search Icelandair flights
Air CanadaPriceFrom £336Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
JetBluePriceFrom £356Free CancellationRating
7.2
2,911 reviews
Search JetBlue flights
British AirwaysPriceFrom £398Free CancellationRating
6.7
7,391 reviews
Search British Airways flights
LufthansaPriceFrom £410Free CancellationRating
6.8
7,421 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £440Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom £444Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
FinnairPriceFrom £448Free CancellationRating
7.6
1,326 reviews
Search Finnair flights

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Newark
Dover
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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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