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Cheap flights from London to Pennsylvania from £262

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PHL
21 Mar — 28 Mar1
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 19 February 2026.

Mon 20/415:40
LGW
-
JFK
1 stop11h 25m
Icelandair
Wed 20/520:30
JFK
-
LGW
1 stop10h 15m
Icelandair
Deal found 15/2£322
Tue 14/407:05
LHR
-
JFK
1 stop13h 35m
Scandinavian Airlines
Sun 19/417:10
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 17/2£322
Thu 30/413:00
LGW
-
JFK
1 stop14h 05m
Icelandair
Sun 10/520:30
JFK
-
LGW
1 stop13h 10m
Icelandair
Deal found 17/2£323
Mon 9/318:40
LHR
-
JFK
1 stop26h 05m
Scandinavian Airlines
Thu 7/517:10
JFK
-
LHR
1 stop18h 15m
Scandinavian Airlines
Deal found 15/2£323
Mon 13/415:40
LGW
-
JFK
1 stop32h 40m
Icelandair
Mon 27/420:30
JFK
-
LGW
1 stop10h 15m
Icelandair
Deal found 18/2£323
Tue 14/415:40
LGW
-
JFK
1 stop11h 25m
Icelandair
Tue 21/420:30
JFK
-
LGW
1 stop13h 10m
Icelandair
Deal found 18/2£324
Mon 13/415:40
LGW
-
JFK
1 stop32h 40m
Icelandair
Sun 19/423:10
JFK
-
LGW
1 stop10h 30m
Icelandair
Deal found 18/2£325
Thu 26/212:15
LHR
-
JFK
1 stop10h 45m
Icelandair
Tue 3/319:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Deal found 18/2£325
Thu 5/311:55
LGW
-
JFK
1 stop11h 05m
Icelandair
Sun 29/320:30
JFK
-
LGW
1 stop13h 10m
Icelandair
Deal found 18/2£326
Mon 20/416:25
STN
-
JFK
3 stops28h 15m
Multiple Airlines
Sun 26/418:55
JFK
-
STN
2 stops22h 25m
Multiple Airlines
Deal found 18/2£326
Wed 25/212:15
LHR
-
JFK
1 stop10h 45m
Icelandair
Tue 24/320:25
JFK
-
LHR
1 stop19h 05m
Icelandair
Deal found 16/2£326
Wed 15/415:40
LGW
-
JFK
1 stop11h 25m
Icelandair
Mon 20/420:30
JFK
-
LGW
1 stop13h 10m
Icelandair
Deal found 15/2£326

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 19 February 2026.

Round-trip from

£322

One-way from

£262

Popular in

December

Cheapest in

September

Average price

£542

Good round-trip deal

£513 or less

Good one-way deal

£418 or less
Icelandair
  • Icelandair
  • 20/4-20/5
  • 2 total stops
  • 21h 40m total
  • London to Pennsylvania
Search Deals
Icelandair
  • Icelandair
  • 28/4
  • 1 total stop
  • 11h 25m total
  • London to Pennsylvania
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 19 February 2026.
Use the filters below to find and compare flights from London to Pennsylvania that are best for you.

Fly from

London

Fly to

Pennsylvania

Route

Depart

Return

Price

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Thu 30/4

13:00-19:20

1 stop11h 20m

New York John F Kennedy Intl

Sun 10/5

20:30-14:40

1 stop13h 10m

£338

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Thu 16/4

15:40-22:05

1 stop11h 25m

New York John F Kennedy Intl

Mon 20/4

20:30-14:40

1 stop13h 10m

£340

LondonNew York

LTN - JFK

LTNJFK

London Luton

Wed 15/4

21:50-22:30

1 stop29h 40m

New York John F Kennedy Intl

Mon 27/4

23:25-18:05

1 stop13h 40m

£342

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Sat 18/4

15:40-22:05

1 stop11h 25m

New York John F Kennedy Intl

Sun 26/4

20:30-14:40

1 stop13h 10m

£342

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Thu 16/4

15:40-22:05

1 stop11h 25m

New York John F Kennedy Intl

Thu 23/4

20:30-14:40

1 stop13h 10m

£342

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Thu 23/4

15:40-19:20

1 stop32h 40m

New York John F Kennedy Intl

Tue 28/4

23:10-14:40

1 stop10h 30m

£343

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Fri 17/4

19:50-13:15

1 stop22h 25m

Newark

Sat 25/4

17:20-14:35

2 stops16h 15m

£343

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Sun 15/3

19:30-14:35

2 stops23h 05m

Newark

Sun 22/3

18:40-12:55

1 stop14h 15m

£345

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Mon 23/3

06:40-14:35

1 stop11h 55m

Newark

Mon 13/4

17:45-12:55

2 stops14h 10m

£349

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Tue 17/3

06:40-16:40

2 stops14h 00m

Newark

Tue 24/3

18:40-14:35

2 stops15h 55m

£351

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 60 results
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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, April is the cheapest month in which you can book a flight from London to Pennsylvania (average of £323). Flying from London to Pennsylvania in August is currently the most expensive (average of £488). 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 19 February 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 19 February 2026.

The most flights from LON to USPA are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost for a return flight from London to Pennsylvania?

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 19 February 2026.
See what other customers who have flown with Finnair, United Airlines, andJetBlue 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
7.6
Good
1,363 reviews
Check prices

Food

6.7

Boarding

7.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,363 reviews
Finnair
7.6
Good
1,363 reviews
Check prices

Food

6.7

Boarding

7.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,323 reviews
Finnair
7.6
Good
1,363 reviews
Check prices

Food

6.7

Boarding

7.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
JetBlue
7.2
Good
2,900 reviews
Finnair
7.6
Good
1,363 reviews
Check prices

Food

6.7

Boarding

7.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Iberia
7.0
Good
3,117 reviews
Finnair
7.6
Good
1,363 reviews
Check prices

Food

6.7

Boarding

7.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

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
7,752 reviews
Finnair
7.6
Good
1,363 reviews
Check prices

Food

6.7

Boarding

7.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

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?

    Icelandair, Scandinavian Airlines, and TAP AIR PORTUGAL can get you from London to Pennsylvania in just under 11h 20m. Your travel time can differ by up to 11h 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 £215. British Airways flights start at £334 while deals on Lufthansa start at £369 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 Heathrow - New York LaGuardia 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: American Airlines (75%), Aer Lingus (75%), Finnair (75%).

  • What are the cheapest flights from London to Pennsylvania?

    Looking at all options, your cheapest flight can be booked for £381. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £321 on average, our data indicates £923 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, April is the cheapest month in which you can book a flight from London to Pennsylvania (average of £323). Flying from London to Pennsylvania in August is currently the most expensive (average of £488). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Heathrow to LaGuardia flights
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Stansted to John F Kennedy Intl flights
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Gatwick to LaGuardia flights
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Heathrow to Boston flights
Luton to John F Kennedy Intl flights
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Manchester to John F Kennedy Intl flights
Gatwick to Dallas/Fort Worth flights
Luton to Newark flights
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Stansted to Newark flights
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Heathrow to O'Hare Intl flights
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Heathrow to Dulles Intl flights
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Heathrow to Hobby flights
London City to Dallas/Fort Worth flights
Stansted to Dallas/Fort Worth flights
Edinburgh to John F Kennedy Intl flights
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London City to Miami flights
Heathrow to Atlanta flights
Stansted to Miami flights
Gatwick to Los Angeles flights
Heathrow to Tampa flights
Stansted to Orlando flights
Stansted to Los Angeles flights
Heathrow to George Bush Intcntl flights
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Luton to Dallas/Fort Worth flights
Heathrow to Baltimore flights
London City to Los Angeles flights
Manchester to Newark flights
London City to Boston flights
Manchester to LaGuardia 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 19 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£299Average£503FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£334Average£525FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£381Average£551FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£408Average£525FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£415Average£577FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£445Average£615FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£447Average£606FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£450Average£601FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapest£455Average£646FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£459Average£747FlexibilityNo 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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