Cheap flights from the United Kingdom to Philadelphia from £301

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
10 Jun — 17 Jun1
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 11 May 2026.

Mon 8/608:10
BHX
-
PHL
1 stop15h 45m
Aer Lingus
Mon 15/620:25
PHL
-
BHX
1 stop18h 30m
Aer Lingus
Deal found 8/5£470
Thu 4/607:45
EDI
-
PHL
1 stop16h 10m
Multiple Airlines
Sun 7/620:25
PHL
-
EDI
1 stop15h 35m
Multiple Airlines
Deal found 8/5£473
Mon 8/607:45
MAN
-
PHL
1 stop16h 10m
Multiple Airlines
Sat 13/620:25
PHL
-
MAN
1 stop11h 40m
Multiple Airlines
Deal found 7/5£475
Thu 4/611:30
EDI
-
PHL
1 stop12h 22m
JetBlue
Mon 8/619:45
PHL
-
EDI
1 stop9h 15m
JetBlue
Deal found 7/5£495
Thu 4/611:30
EDI
-
PHL
1 stop14h 51m
JetBlue
Tue 9/619:45
PHL
-
EDI
1 stop9h 15m
JetBlue
Deal found 10/5£497
Tue 23/611:30
EDI
-
PHL
1 stop13h 30m
JetBlue
Wed 29/708:28
PHL
-
EDI
1 stop20h 32m
JetBlue
Deal found 9/5£500
Wed 23/911:30
EDI
-
PHL
1 stop11h 34m
JetBlue
Sat 26/915:25
PHL
-
EDI
1 stop13h 35m
JetBlue
Deal found 11/5£511
Thu 4/611:30
EDI
-
PHL
1 stop12h 22m
JetBlue
Sun 7/609:26
PHL
-
EDI
1 stop19h 34m
JetBlue
Deal found 8/5£512
Tue 7/711:30
EDI
-
PHL
1 stop13h 30m
JetBlue
Tue 14/708:28
PHL
-
EDI
1 stop20h 32m
JetBlue
Deal found 7/5£518
Thu 24/911:30
EDI
-
PHL
1 stop11h 34m
JetBlue
Sat 26/919:00
PHL
-
EDI
1 stop10h 00m
JetBlue
Deal found 11/5£533
Fri 29/511:30
EDI
-
PHL
1 stop26h 01m
JetBlue
Wed 10/619:45
PHL
-
EDI
1 stop9h 15m
JetBlue
Deal found 10/5£544
Mon 8/608:45
BHX
-
PHL
1 stop15h 10m
Multiple Airlines
Mon 15/620:25
PHL
-
BHX
1 stop10h 05m
Multiple Airlines
Deal found 10/5£591

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 11 May 2026.

Round-trip from

£470

One-way from

£301

Popular in

December

Cheapest in

September

Average price

£590

Good round-trip deal

£647 or less

Good one-way deal

£487 or less
Aer Lingus
  • Aer Lingus
  • 8/6-15/6
  • 2 total stops
  • 34h 15m total
  • United Kingdom to Philadelphia
27/5
  • 27/5
  • 3 total stops
  • 33h 35m total
  • United Kingdom to Philadelphia
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in May 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 11 May 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

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Mon 8/6

08:10-18:55

1 stop15h 45m

Philadelphia

Mon 15/6

20:25-19:55

1 stop18h 30m

£470

LondonPhiladelphia

LTN - PHL

LTNPHL

London Luton

Thu 4/6

18:20-16:05

2 stops26h 45m

Philadelphia

Wed 10/6

17:40-22:25

2 stops23h 45m

£600

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 1/9

09:30-16:05

1 stop11h 35m

Philadelphia

Tue 8/9

19:55-10:40

1 stop9h 45m

£623

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Mon 22/6

13:10-16:05

3 stops31h 55m

Philadelphia

Mon 29/6

16:20-16:50

2 stops19h 30m

£636

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Thu 4/6

22:05-21:33

3 stops28h 28m

Philadelphia

Wed 10/6

10:05-17:10

3 stops26h 05m

£638

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 15/9

13:45-16:40

Nonstop7h 55m

Philadelphia

Wed 30/9

18:45-06:50

Nonstop7h 05m

£648

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 3/6

06:55-16:05

2 stops14h 10m

Philadelphia

Wed 10/6

15:10-09:20

2 stops13h 10m

£657

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Tue 15/9

19:15-16:05

2 stops25h 50m

Philadelphia

Mon 21/9

17:40-12:35

2 stops13h 55m

£664

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 4/6

07:25-18:55

2 stops16h 30m

Philadelphia

Mon 8/6

11:38-07:15

2 stops14h 37m

£682

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 25/6

06:50-18:54

2 stops17h 04m

Philadelphia

Mon 6/7

10:32-08:20

2 stops16h 48m

£687

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from United Kingdom to Philadelphia?

To ensure you get the cheapest price possible for a flight from United Kingdom to Philadelphia, you should look to book at least 11 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of £264). Flying from United Kingdom to Philadelphia in April is currently the most expensive (average of £1,002). 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 11 May 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.

Weekly flight availability from United Kingdom to Philadelphia

Explore weekly flight availability from United Kingdom to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 May 2026.

The most flights from GB0 to PHL are scheduled on a Monday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).

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

About 19% of weekly flights between United Kingdom and Philadelphia have experienced delays in the past year, with the average delay time being 170 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?

Saturday 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, American Airlines have had the lowest number of delays on this route, with just 19% 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 11 May 2026.
See what other customers who have flown with Finnair,Aer Lingus, andAmerican Airlines 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.

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.4

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 7h 55m. Fly via Aer Lingus, United Airlines, or Finnair to get the fastest option. Airlines will cover a distance of 3533 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 £319. 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 (82%), American Airlines (77%) and Finnair (77%).

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

    While on average a flight from United Kingdom to Philadelphia is generally £1,060, our data shows the cheapest flight currently is £430. When looking at the most popular route, (London Heathrow - Philadelphia), you can expect to pay £522 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, February is the cheapest month in which you can book a flight from United Kingdom to Philadelphia (average of £264). Flying from United Kingdom to Philadelphia in April is currently the most expensive (average of £1,002). 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 11 May 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£382Average£575FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£412Average£564FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£426Average£584FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£428Average£485FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£444Average£648FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£450Average£681FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£453Average£622FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Aer LingusCheapest£457Average£650FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IberiaCheapest£477Average£594FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£557Average£678FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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