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Cheap flights from Philadelphia to the United Kingdom from £147

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 the United Kingdom departing on 29/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:30 - 08:00
PHL
-
EDI
9h 30m
1 stop
Multiple Airlines Logo
20:20 - 00:20
EDI
-
PHL
33h 00m
2 stops
£531Multiple Airlines
Tue, 10 Nov - Wed, 18 Nov
Multiple Airlines Logo
17:30 - 08:00
PHL
-
EDI
9h 30m
1 stop
Multiple Airlines Logo
20:20 - 21:40
EDI
-
PHL
30h 20m
2 stops
£535Multiple Airlines
Mon, 9 Nov - Wed, 18 Nov
Multiple Airlines Logo
17:30 - 07:35
PHL
-
MAN
9h 05m
1 stop
Multiple Airlines Logo
13:55 - 16:00
MAN
-
PHL
31h 05m
2 stops
£556Multiple Airlines
Mon, 2 Nov - Sun, 8 Nov
British Airways Logo
18:35 - 11:50
PHL
-
INV
12h 15m
1 stop
British Airways Logo
19:45 - 16:15
INV
-
PHL
25h 30m
1 stop
£558British Airways
Mon, 16 Nov - Thu, 26 Nov
British Airways Logo
18:35 - 11:50
PHL
-
INV
12h 15m
1 stop
British Airways Logo
19:45 - 16:15
INV
-
PHL
25h 30m
1 stop
£558British Airways
Mon, 16 Nov - Mon, 23 Nov
British Airways Logo
18:35 - 10:15
PHL
-
INV
10h 40m
1 stop
British Airways Logo
12:45 - 16:15
INV
-
PHL
32h 30m
1 stop
£558British Airways
Sun, 15 Nov - Tue, 17 Nov
Aer Lingus Logo
13:51 - 07:40
PHL
-
MAN
12h 49m
2 stops
Aer Lingus Logo
12:05 - 18:55
MAN
-
PHL
11h 50m
1 stop
£657Aer Lingus
Wed, 16 Sep - Tue, 22 Sep
Aer Lingus Logo
13:51 - 07:40
PHL
-
MAN
12h 49m
2 stops
Aer Lingus Logo
11:40 - 18:55
MAN
-
PHL
12h 15m
1 stop
£657Aer Lingus
Wed, 16 Sep - Wed, 23 Sep
American Airlines Logo
21:10 - 14:50
PHL
-
LHR
12h 40m
1 stop
American Airlines Logo
08:45 - 16:20
LHR
-
PHL
12h 35m
1 stop
£673American Airlines
Mon, 16 Nov - Fri, 20 Nov
American Airlines Logo
19:50 - 07:50
PHL
-
LHR
7h 00mdirect
American Airlines Logo
10:35 - 13:50
LHR
-
PHL
8h 15mdirect
£693American Airlines
Wed, 18 Nov - Wed, 25 Nov

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Iberia flights from Philadelphia to United Kingdom

Our best Iberia deals on Philadelphia to United Kingdom flight tickets
Iberia
1 Dec
PHL20:40Philadelphia
7h 25m
EDI09:05Edinburgh Turnhouse
9 Dec
EDI11:05Edinburgh Turnhouse
9h 20m
PHL15:25Philadelphia
£636
Iberia
18 Nov
PHL19:50Philadelphia
7h 00m
LHR07:50London Heathrow
25 Nov
LHR07:35London Heathrow
13h 45m
1 stop
PHL16:20Philadelphia
£648
Iberia
11 Jan
PHL19:50Philadelphia
12h 15m
1 stop
MAN13:05Manchester
25 Jan
MAN14:15Manchester
29h 55m
2 stops
PHL15:10Philadelphia
£667

JetBlue flights from Philadelphia to United Kingdom

Our best JetBlue deals on Philadelphia to United Kingdom flight tickets
JetBlue
25 Aug
PHL09:25Philadelphia
19h 35m
1 stop
EDI10:00Edinburgh Turnhouse
1 Sept
EDI11:30Edinburgh Turnhouse
13h 31m
1 stop
PHL20:01Philadelphia
£591
JetBlue
28 Aug
PHL09:12Philadelphia
19h 48m
1 stop
EDI10:00Edinburgh Turnhouse
2 Sept
EDI11:30Edinburgh Turnhouse
13h 31m
1 stop
PHL20:01Philadelphia
£620
JetBlue
24 Aug
PHL09:12Philadelphia
19h 48m
1 stop
EDI10:00Edinburgh Turnhouse
28 Sept
EDI11:30Edinburgh Turnhouse
32h 32m
1 stop
PHL15:02Philadelphia
£627

momondo Fare Finder

 
Customise your flight search to find flights from Philadelphia to United Kingdom 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 31 July 2026.
Use the filters below to find and compare flights from Philadelphia to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

Tue 10/11

17:30-08:00

1 stop9h 30m

Edinburgh Turnhouse

Wed 18/11

20:20-00:20

2 stops33h 00m

£531

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

Mon 9/11

17:30-08:00

1 stop9h 30m

Edinburgh Turnhouse

Wed 18/11

20:20-21:40

2 stops30h 20m

£535

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Mon 2/11

17:30-07:35

1 stop9h 05m

Manchester

Sun 8/11

13:55-16:00

2 stops31h 05m

£556

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Mon 16/11

18:35-11:50

1 stop12h 15m

Inverness

Thu 26/11

19:45-16:15

1 stop25h 30m

£558

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Mon 16/11

18:35-11:50

1 stop12h 15m

Inverness

Mon 23/11

19:45-16:15

1 stop25h 30m

£558

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Sun 15/11

18:35-10:15

1 stop10h 40m

Inverness

Tue 17/11

12:45-16:15

1 stop32h 30m

£558

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 16/9

13:51-07:40

2 stops12h 49m

Manchester

Tue 22/9

12:05-18:55

1 stop11h 50m

£657

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 16/9

13:51-07:40

2 stops12h 49m

Manchester

Wed 23/9

11:40-18:55

1 stop12h 15m

£657

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Mon 16/11

21:10-14:50

1 stop12h 40m

London Heathrow

Fri 20/11

08:45-16:20

1 stop12h 35m

£673
Fastest return journey

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 18/11

19:50-07:50

Nonstop7h 00m

London Heathrow

Wed 25/11

10:35-13:50

Nonstop8h 15m

£693

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Philadelphia to United Kingdom

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 United Kingdom?

The cheapest month to fly to United Kingdom from Philadelphia is in January. Flight prices, which tend to average around £535, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of January, then departing from Philadelphia during the month February is also very affordable. Most momondo users find prices during this month for around £561.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Philadelphia to United Kingdom is on a Saturday. Travellers who choose to depart for United Kingdom on a Saturday will often find tickets for as low as £591. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to United Kingdom for around £1,114.

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

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £697. Try not to purchase tickets in the evening because they tend to be around £769. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Philadelphia to United Kingdom flight route?

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

How far in advance should I book a flight from Philadelphia to the United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £698 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Philadelphia for as low as £528 on momondo.

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

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

You could potentially save up to 16% on your flight if you consider stops on a Philadelphia to United Kingdom flight.

Cheap Philadelphia to United Kingdom flight deals and tips

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

Best price found

£570

Fastest flight time

6h 35m

Direct flights

Every day

Airports in United Kingdom

1,285 airports
The best one-way flight to United Kingdom from Philadelphia in the past 72 hours is £570. The best return flight deal from Philadelphia to United Kingdom found on momondo in the last 72 hours is £950.
The fastest flight from Philadelphia to United Kingdom takes 6h 35m
Direct flights go from Philadelphia to United Kingdom every day.
There are 1,285 airports in United Kingdom. From Philadelphia there are direct flights to London Heathrow (LHR), Edinburgh Turnhouse (EDI).
Search flight deals

Frequently asked questions about flying from Philadelphia to the United Kingdom

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

    Prices for flights from Philadelphia Airport to United Kingdom are updated daily.

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

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

    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 Philadelphia Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents you'll need for your trip to United Kingdom 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 United Kingdom. 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 Philadelphia to United Kingdom?

Best airlines flying from Philadelphia to United Kingdom

Compare and see reviews for airlines that fly from Philadelphia to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £419Free CancellationRating
6.7
8,130 reviews
Search British Airways flights
Aer LingusPriceFrom £516Free CancellationRating
7.3
1,683 reviews
Search Aer Lingus flights
American AirlinesPriceFrom £523Free CancellationRating
7.1
11,846 reviews
Search American Airlines flights

Why use momondo?

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

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 United Kingdom from Philadelphia.

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

Flights from Philadelphia to United Kingdom with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Philadelphia to United Kingdom flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to United Kingdom from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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