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Cheap flights from London to Pennsylvania from £322

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PHL
4 Jul — 11 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Pennsylvania

Enter your travel dates to find the best prices.

Cheapest flights from London to Pennsylvania
Explore the most affordable flight options available from London to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 June 2026.

Tue 15/907:05
LGW
-
EWR
2 stops15h 54m
Multiple Airlines
Tue 22/915:45
EWR
-
LGW
2 stops15h 30m
Multiple Airlines
Deal found 1/6£448
Fri 6/1110:40
LGW
-
EWR
2 stops16h 20m
TAP AIR PORTUGAL
Mon 9/1100:55
EWR
-
LGW
1 stop14h 40m
TAP AIR PORTUGAL
Deal found 1/6£449
Tue 1/906:30
STN
-
EWR
2 stops35h 45m
Multiple Airlines
Wed 9/917:20
EWR
-
STN
2 stops25h 00m
Multiple Airlines
Deal found 1/6£449
Tue 6/1015:40
LGW
-
EWR
1 stop32h 35m
Icelandair
Tue 13/1020:25
EWR
-
LGW
1 stop13h 15m
Icelandair
Deal found 31/5£449
Tue 3/1110:35
LHR
-
EWR
1 stop31h 50m
Scandinavian Airlines
Wed 11/1118:30
EWR
-
LHR
1 stop34h 05m
Scandinavian Airlines
Deal found 1/6£449
Thu 8/1010:35
LGW
-
EWR
1 stop15h 25m
TAP AIR PORTUGAL
Thu 15/1023:00
EWR
-
LGW
1 stop16h 25m
TAP AIR PORTUGAL
Deal found 31/5£450
Tue 25/814:35
STN
-
EWR
3 stops27h 40m
Multiple Airlines
Mon 31/817:45
EWR
-
STN
2 stops20h 40m
Multiple Airlines
Deal found 31/5£450
Wed 7/1019:50
LHR
-
EWR
2 stops22h 25m
Scandinavian Airlines
Sun 11/1017:45
EWR
-
LHR
1 stop17h 40m
Scandinavian Airlines
Deal found 31/5£450
Thu 1/1015:40
LGW
-
EWR
1 stop32h 35m
Icelandair
Tue 6/1020:25
EWR
-
LGW
1 stop13h 15m
Icelandair
Deal found 31/5£451
Wed 3/606:30
STN
-
EWR
3 stops35h 45m
Multiple Airlines
Mon 8/617:45
EWR
-
STN
2 stops14h 05m
Multiple Airlines
Deal found 31/5£451
Thu 22/1007:05
LHR
-
EWR
1 stop11h 10m
Scandinavian Airlines
Mon 26/1019:30
EWR
-
LHR
1 stop34h 05m
Scandinavian Airlines
Deal found 31/5£451
Sun 1/1111:55
LGW
-
JFK
1 stop11h 05m
Icelandair
Thu 5/1119:25
JFK
-
LGW
1 stop10h 30m
Icelandair
Deal found 31/5£452

Find flight deals from London to Pennsylvania

Keep the following information in mind while searching for London to Pennsylvania flight deals. Data was last updated 4 June 2026.

Round-trip from

£448

One-way from

£322

Popular in

December

Cheapest in

September

Average price

£607

Good round-trip deal

£627 or less

Good one-way deal

£450 or less
15/9-22/9
  • 15/9-22/9
  • 4 total stops
  • 31h 24m total
  • London to Pennsylvania
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 6/9
  • 1 total stop
  • 14h 30m total
  • London to Pennsylvania
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Pennsylvania.
Search Deals
Price to beat on a one-way flight from London (LON) to Pennsylvania.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Pennsylvania 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 4 June 2026.
Use the filters below to find and compare flights from London to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNew York

LTN - JFK

LTNJFK

London Luton

Wed 30/9

06:15-19:20

1 stop18h 05m

New York John F Kennedy Intl

Sat 3/10

20:30-13:10

1 stop11h 40m

£466

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Tue 3/11

19:30-13:25

2 stops22h 55m

Newark

Sat 7/11

18:30-18:50

1 stop19h 20m

£469

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 17/9

19:50-15:40

1 stop24h 50m

New York John F Kennedy Intl

Sat 3/10

18:55-17:00

2 stops17h 05m

£472

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 3/9

21:05-15:40

2 stops23h 35m

New York John F Kennedy Intl

Wed 9/9

17:10-09:35

1 stop11h 25m

£474
Fastest return journey

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Thu 24/9

13:05-15:55

Nonstop7h 50m

New York John F Kennedy Intl

Sun 27/9

18:20-06:20

Nonstop7h 00m

£482

LondonNew York

LGW - LGA

LGWLGA

London Gatwick

Mon 2/11

11:40-19:20

1 stop12h 40m

New York LaGuardia

Tue 17/11

20:20-09:45

1 stop32h 25m

£501

LondonNew York

LGW - LGA

LGWLGA

London Gatwick

Thu 17/9

12:40-08:55

1 stop25h 15m

New York LaGuardia

Wed 23/9

20:25-07:55

1 stop30h 30m

£501

LondonNew York

LGW - LGA

LGWLGA

London Gatwick

Mon 21/9

09:40-16:55

1 stop12h 15m

New York LaGuardia

Mon 28/9

09:55-10:45

1 stop19h 50m

£501

LondonNewark

LGW - EWR

LGWEWR

London Gatwick

Wed 9/9

10:35-21:00

1 stop15h 25m

Newark

Mon 21/9

23:10-20:25

1 stop16h 15m

£511

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Thu 24/9

10:00-17:45

1 stop12h 45m

New York John F Kennedy Intl

Sun 27/9

22:05-16:25

1 stop13h 20m

£516

Flights are sorted by cheapest return flights first.

Deals found on 1/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from London 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 London to Pennsylvania

What is the cheapest month to book a flight from London to Pennsylvania?

Currently, February is the cheapest month in which you can book a flight from London to Pennsylvania (average of £268). Flying from London to Pennsylvania in May is currently the most expensive (average of £1,320). 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 LON to PA?

Find hourly flight availability from London to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 June 2026.

When flying from London to Pennsylvania, 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 London to Pennsylvania

Explore weekly flight availability from London to Pennsylvania. 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 4 June 2026.

The most flights from LON to USPA 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 much does it cost for a return flight from London to Pennsylvania?

How far ahead should I book a flight from London to Pennsylvania?

The best time to book flights from London to Pennsylvania is 11 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated 4 June 2026.
See what other customers who have flown with Finnair,Aer Lingus, andAmerican Airlines from London to Pennsylvania have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.7
Good
1,401 reviews
Check prices

Comfort

7.4

Overall

7.7

Entertainment

6.9

Crew

8.2

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.7
Good
1,401 reviews
Finnair
7.7
Good
1,401 reviews
Check prices

Comfort

7.4

Overall

7.7

Entertainment

6.9

Crew

8.2

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Aer Lingus
7.3
Good
1,595 reviews
Finnair
7.7
Good
1,401 reviews
Check prices

Comfort

7.4

Overall

7.7

Entertainment

6.9

Crew

8.2

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
American Airlines
7.1
Good
11,644 reviews
Finnair
7.7
Good
1,401 reviews
Check prices

Comfort

7.4

Overall

7.7

Entertainment

6.9

Crew

8.2

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
JetBlue
7.1
Good
2,982 reviews
Finnair
7.7
Good
1,401 reviews
Check prices

Comfort

7.4

Overall

7.7

Entertainment

6.9

Crew

8.2

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
8,027 reviews
Finnair
7.7
Good
1,401 reviews
Check prices

Comfort

7.4

Overall

7.7

Entertainment

6.9

Crew

8.2

Food

6.7

Boarding

7.7

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 London to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Pennsylvania?

    Scandinavian Airlines, Norse Atlantic UK, and Air Transat can get you from London to Pennsylvania in just under 7h 50m. Your travel time can differ by up to 15h 05m. London and Pennsylvania are separated by a distance of 3458 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from London to Pennsylvania one-way?

    To fly one-way, consider booking your trip with SAUDIA, which is currently one of the cheapest options available, starting at £217. British Airways flights start at £329 while deals on Air India start at £349 one-way.

  • What are the most popular routes from London to Pennsylvania?

    Most travelers choose London Heathrow - New York John F Kennedy Intl, London Heathrow - Newark or London Gatwick - New York John F Kennedy Intl when deciding on the best route from London to Pennsylvania.

  • What are the most reliable airlines from London to Pennsylvania?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Pennsylvania on time: Malaysia Airlines (87%), American Airlines (83%), Finnair (83%).

  • What are the cheapest flights from London to Pennsylvania?

    Looking at all options, your cheapest flight can be booked for £417. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £318 on average, our data indicates £1,142 when flying from London to Pennsylvania.

  • Can I find deals for flights from London to Pennsylvania that include hotel bookings?

    Yes. In addition to deals on London to Pennsylvania flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Pennsylvania?

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

  • Can I find deals for business class flights from London to Pennsylvania?

    Yes. Cheapflights offers flight deals from London to Pennsylvania 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 London to Pennsylvania?

    Currently, February is the cheapest month in which you can book a flight from London to Pennsylvania (average of £268). Flying from London to Pennsylvania in May is currently the most expensive (average of £1,320). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
Stansted to John F Kennedy Intl flights
London City to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
Luton to John F Kennedy Intl flights
Heathrow to Miami flights
Stansted to Newark flights
Luton to Newark flights
Heathrow to Boston flights
Heathrow to San Francisco flights
Manchester to John F Kennedy Intl flights
Heathrow to O'Hare Intl flights
Manchester to Orlando flights
Heathrow to Seattle flights
Heathrow to Dallas/Fort Worth flights
Gatwick to Boston flights
Heathrow to Hobby flights
Gatwick to Orlando flights
Heathrow to Dulles Intl flights
London City to Newark flights
Heathrow to Las Vegas flights
Gatwick to Los Angeles flights
Heathrow to Baltimore flights
Gatwick to Miami flights
London City to Los Angeles flights
Stansted to Los Angeles flights
Stansted to LaGuardia flights
Heathrow to George Bush Intcntl flights
London City to Miami flights
Stansted to Miami flights
Manchester to Newark flights
Stansted to Orlando flights
Heathrow to Tampa flights
Gatwick to San Francisco flights
Heathrow to Atlanta flights
London City to Boston flights
Manchester to LaGuardia flights
London City to San Francisco flights
Edinburgh to Boston flights
Stansted to San Francisco flights
Heathrow to Ontario flights
Stansted to Boston flights
London City to Orlando flights
Luton to Miami flights

Top 10 airlines flying from London to Pennsylvania

Discover the top 10 airlines that operate flights from London to Pennsylvania. 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 4 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£210Average£633FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£385Average£616FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£387Average£573FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£418Average£581FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£434Average£518FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£444Average£603FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest£452Average£629FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£458Average£675FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£460Average£616FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Aer LingusCheapest£463Average£755FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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 London to Pennsylvania?

Cheapflights helps you search for flights from London to Pennsylvania via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Pennsylvania?

Cheapflights helps you find that perfect flight to Pennsylvania from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Pennsylvania with no change fees?

Yes, we can. To see specific flights from London to Pennsylvania with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Pennsylvania become cheaper?

Yes! Start tracking prices for London to Pennsylvania flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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