Cheap flights from the United Kingdom to Philadelphia from £263

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
24 Apr — 1 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Philadelphia

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Philadelphia
Explore the most affordable flight options available from United Kingdom to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2026.

Thu 28/508:50
BHX
-
PHL
1 stop15h 05m
Multiple Airlines
Mon 1/620:25
PHL
-
BHX
1 stop10h 05m
Multiple Airlines
Deal found 21/3£478
Fri 8/511:30
EDI
-
PHL
1 stop15h 11m
JetBlue
Sat 16/516:20
PHL
-
EDI
1 stop12h 40m
JetBlue
Deal found 24/3£490
Wed 6/511:30
EDI
-
PHL
1 stop25h 04m
JetBlue
Wed 13/508:24
PHL
-
EDI
1 stop20h 36m
JetBlue
Deal found 22/3£499
Fri 8/511:30
EDI
-
PHL
1 stop15h 11m
JetBlue
Fri 15/506:00
PHL
-
EDI
1 stop23h 00m
JetBlue
Deal found 24/3£500
Mon 4/511:30
EDI
-
PHL
1 stop11h 08m
JetBlue
Mon 11/518:33
PHL
-
EDI
1 stop10h 27m
JetBlue
Deal found 20/3£513
Wed 2/911:30
EDI
-
PHL
1 stop13h 19m
JetBlue
Thu 10/910:20
PHL
-
EDI
1 stop18h 40m
JetBlue
Deal found 22/3£517
Mon 11/508:40
LHR
-
PHL
1 stop18h 00m
JetBlue
Wed 13/518:33
PHL
-
LHR
1 stop30h 57m
JetBlue
Deal found 20/3£521
Wed 3/612:20
LGW
-
PHL
1 stop25h 11m
JetBlue
Mon 15/609:12
PHL
-
LGW
1 stop19h 23m
JetBlue
Deal found 21/3£524
Wed 13/508:40
LHR
-
PHL
1 stop27h 55m
JetBlue
Wed 20/518:33
PHL
-
LHR
1 stop30h 57m
JetBlue
Deal found 20/3£526
Wed 29/408:40
LHR
-
PHL
1 stop13h 58m
JetBlue
Tue 12/506:00
PHL
-
LHR
1 stop19h 30m
JetBlue
Deal found 22/3£527
Thu 7/511:30
EDI
-
PHL
1 stop11h 08m
JetBlue
Sat 16/516:20
PHL
-
EDI
1 stop12h 40m
JetBlue
Deal found 24/3£530
Tue 5/511:30
EDI
-
PHL
1 stop11h 08m
JetBlue
Tue 12/518:33
PHL
-
EDI
1 stop10h 27m
JetBlue
Deal found 21/3£531

Find flight deals from United Kingdom to Philadelphia

Keep the following information in mind while searching for United Kingdom to Philadelphia flight deals. Data was last updated 25 March 2026.

Round-trip from

£478

One-way from

£263

Popular in

December

Cheapest in

September

Average price

£613

Good round-trip deal

£563 or less

Good one-way deal

£444 or less
28/5-1/6
  • 28/5-1/6
  • 2 total stops
  • 25h 10m total
  • United Kingdom to Philadelphia
28/5
  • 28/5
  • 1 total stop
  • 32h 07m total
  • United Kingdom to Philadelphia
Highest demand for flights based on searches. 3% potential increase in price (£16 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from United Kingdom to Philadelphia.
Price to beat on a one-way flight from United Kingdom to Philadelphia.

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 25 March 2026.
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

Cheapest return flight

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Thu 7/5

11:30-17:38

1 stop11h 08m

Philadelphia

Mon 11/5

18:33-10:00

1 stop10h 27m

£531

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 4/5

08:40-17:38

1 stop13h 58m

Philadelphia

Mon 11/5

08:25-06:30

1 stop17h 05m

£557

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 6/5

10:50-00:59

2 stops19h 09m

Philadelphia

Mon 11/5

10:25-06:30

2 stops15h 05m

£562

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Sat 9/5

11:30-21:40

1 stop15h 10m

Philadelphia

Mon 18/5

18:33-10:00

1 stop10h 27m

£569

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Mon 20/4

08:15-18:55

1 stop15h 40m

Philadelphia

Mon 27/4

20:25-12:45

1 stop11h 20m

£581

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 20/4

11:10-18:55

1 stop12h 45m

Philadelphia

Mon 27/4

20:25-17:05

1 stop15h 40m

£585

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Tue 5/5

11:35-18:55

1 stop12h 20m

Philadelphia

Tue 12/5

20:25-17:35

1 stop16h 10m

£608

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Tue 5/5

09:40-18:55

1 stop14h 15m

Philadelphia

Tue 12/5

20:25-15:30

1 stop14h 05m

£608

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Thu 7/5

11:30-21:41

1 stop15h 11m

Philadelphia

Fri 15/5

19:37-10:00

1 stop9h 23m

£610

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Sat 9/5

11:30-21:41

1 stop15h 11m

Philadelphia

Sat 16/5

16:20-10:00

1 stop12h 40m

£610

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from United Kingdom to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from United Kingdom with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Philadelphia

What is the cheapest month to book a flight from United Kingdom to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of £97). Flying from United Kingdom to Philadelphia in July is currently the most expensive (average of £340). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to PHL?

Find hourly flight availability from United Kingdom to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2026.

When flying from United Kingdom to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from the United Kingdom to Philadelphia delayed?

About 17% of weekly flights between United Kingdom and Philadelphia have experienced delays in the past year, with the average delay time being 179 minutes.

What is the most punctual flight time for the United Kingdom to Philadelphia flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United Kingdom to Philadelphia flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 16% of flights being delayed.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated 25 March 2026.
See what other customers who have flown with Finnair,United Airlines, andAer Lingus from the United Kingdom to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.7

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Overall

7.7

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Overall

7.7

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Overall

7.7

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Overall

7.7

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Overall

7.7

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Philadelphia from United Kingdom?

    Located just 7.0 mi from the city center, Philadelphia (PHL) is the airport most travelers will use when flying to Philadelphia from United Kingdom.

  • How long is the flight from United Kingdom to Philadelphia?

    There are many flights that can get you from United Kingdom to Philadelphia in 11h 08m. Fly via JetBlue, United Airlines, or TAP AIR PORTUGAL to get the fastest option. Airlines will cover a distance of 3336 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from United Kingdom to Philadelphia one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as £324. However, be on the lookout for offers from Finnair and British Airways, as they are both options that can get you from United Kingdom to Philadelphia for a low price.

  • What are the most popular routes from United Kingdom to Philadelphia?

  • What are the most reliable airlines from United Kingdom to Philadelphia?

    The top 3 most reliable airlines when flying from United Kingdom to Philadelphia are Malaysia Airlines (87%), American Airlines (80%) and Finnair (80%).

  • What are the cheapest flights from United Kingdom to Philadelphia?

    While on average a flight from United Kingdom to Philadelphia is generally £1,004, our data shows the cheapest flight currently is £326. When looking at the most popular route, (London Heathrow - Philadelphia), you can expect to pay £498 for that flight.

  • Can I find deals for flights from United Kingdom to Philadelphia that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Philadelphia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Philadelphia.

  • Can I find deals for business class flights from United Kingdom to Philadelphia?

    Yes. Cheapflights offers flight deals from United Kingdom to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of £97). Flying from United Kingdom to Philadelphia in July is currently the most expensive (average of £340). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for United Kingdom to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from United Kingdom to Philadelphia

Discover the top 10 airlines that operate flights from United Kingdom to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£302Average£456FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£338Average£468FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£413Average£594FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£420Average£569FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£452Average£626FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£457Average£654FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£461Average£628FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Aer LingusCheapest£464Average£663FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IberiaCheapest£484Average£591FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£549Average£689FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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How does Cheapflights help users find flights from United Kingdom to Philadelphia?

When you search for this flight from United Kingdom to Philadelphia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Philadelphia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Philadelphia.

Can Cheapflights find flights from United Kingdom to Philadelphia with no change fees?

Yes! Cheapflights helps users easily find flights from United Kingdom to Philadelphia with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to Philadelphia become cheaper?

Of course! You can now track prices for flights from United Kingdom to Philadelphia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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