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Cheap flights from London to Pennsylvania from £259

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PHL
9 Apr — 16 Apr1
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 10 March 2026.

Mon 13/412:25
LTN
-
JFK
3 stops32h 15m
Multiple Airlines
Mon 20/418:55
JFK
-
LTN
2 stops22h 55m
Multiple Airlines
Deal found 6/3£335
Mon 20/416:25
STN
-
JFK
3 stops28h 15m
Multiple Airlines
Mon 27/418:55
JFK
-
STN
2 stops17h 10m
Multiple Airlines
Deal found 6/3£338
Sat 18/413:05
LGW
-
JFK
Nonstop7h 50m
Norse Atlantic UK
Sun 26/418:20
JFK
-
LGW
Nonstop7h 00m
Norse Atlantic UK
Deal found 10/3£338
Thu 16/407:05
LHR
-
JFK
1 stop13h 35m
Scandinavian Airlines
Thu 23/418:55
JFK
-
LHR
1 stop17h 45m
Scandinavian Airlines
Deal found 9/3£338
Sun 13/910:20
LHR
-
JFK
1 stop11h 40m
Scandinavian Airlines
Tue 22/918:55
JFK
-
LHR
1 stop16h 05m
Scandinavian Airlines
Deal found 5/3£339
Sat 18/406:50
STN
-
JFK
1 stop20h 40m
Multiple Airlines
Mon 20/400:30
JFK
-
STN
1 stop26h 10m
Multiple Airlines
Deal found 8/3£340
Mon 13/419:50
LHR
-
JFK
1 stop24h 50m
Scandinavian Airlines
Mon 20/417:10
JFK
-
LHR
1 stop18h 15m
Scandinavian Airlines
Deal found 6/3£340
Thu 7/513:05
LGW
-
JFK
Nonstop7h 50m
Norse Atlantic UK
Sat 9/518:20
JFK
-
LGW
Nonstop7h 00m
Norse Atlantic UK
Deal found 6/3£341
Thu 17/915:35
LHR
-
JFK
1 stop29h 05m
Scandinavian Airlines
Mon 21/917:10
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 5/3£341
Thu 11/615:40
LGW
-
JFK
1 stop11h 25m
Icelandair
Tue 16/623:10
JFK
-
LGW
1 stop10h 30m
Icelandair
Deal found 5/3£342
Tue 28/416:40
LHR
-
LGA
1 stop11h 50m
United Airlines
Wed 6/514:50
LGA
-
LHR
1 stop11h 05m
United Airlines
Deal found 5/3£344
Fri 17/415:40
LGW
-
JFK
1 stop32h 40m
Icelandair
Fri 24/423:10
JFK
-
LGW
1 stop10h 30m
Icelandair
Deal found 7/3£344

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 10 March 2026.

Round-trip from

£335

One-way from

£259

Popular in

December

Cheapest in

September

Average price

£605

Good round-trip deal

£559 or less

Good one-way deal

£430 or less
13/4-20/4
  • 13/4-20/4
  • 5 total stops
  • 55h 10m total
  • London to Pennsylvania
Search Deals
Icelandair
  • Icelandair
  • 6/5
  • 1 total stop
  • 11h 15m total
  • London to Pennsylvania
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£17 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 March 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 10 March 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

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Sun 19/4

06:40-13:15

1 stop11h 35m

Newark

Sun 26/4

17:15-14:35

2 stops16h 20m

£373

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Mon 20/4

15:40-22:05

1 stop11h 25m

New York John F Kennedy Intl

Sun 10/5

23:10-14:40

1 stop10h 30m

£402

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Mon 13/4

15:40-19:20

1 stop32h 40m

New York John F Kennedy Intl

Fri 15/5

23:10-11:45

1 stop31h 35m

£404

LondonNewark

LGW - EWR

LGWEWR

London Gatwick

Thu 16/4

15:40-19:15

1 stop32h 35m

Newark

Sat 2/5

20:25-11:45

1 stop10h 20m

£405

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Tue 14/4

21:05-15:40

2 stops23h 35m

New York John F Kennedy Intl

Tue 21/4

17:10-16:00

2 stops17h 50m

£411

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Tue 12/5

07:05-15:40

1 stop13h 35m

New York John F Kennedy Intl

Tue 26/5

17:10-09:35

1 stop11h 25m

£430

LondonNew York

LTN - JFK

LTNJFK

London Luton

Sat 18/4

14:25-22:25

1 stop13h 00m

New York John F Kennedy Intl

Sun 26/4

21:05-11:25

1 stop9h 20m

£435

LondonNewark

LGW - EWR

LGWEWR

London Gatwick

Wed 13/5

15:40-19:15

1 stop32h 35m

Newark

Tue 26/5

20:25-14:40

1 stop13h 15m

£435

LondonNew York

LTN - JFK

LTNJFK

London Luton

Tue 7/4

13:10-15:40

3 stops31h 30m

New York John F Kennedy Intl

Tue 14/4

17:10-15:30

2 stops17h 20m

£440

LondonNewark

LGW - EWR

LGWEWR

London Gatwick

Sun 19/4

12:05-21:10

1 stop14h 05m

Newark

Mon 4/5

17:30-09:45

1 stop11h 15m

£457

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 £324). Flying from London to Pennsylvania in August is currently the most expensive (average of £495). 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 10 March 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 10 March 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 10 March 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
1,371 reviews
Check prices

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,371 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Food

6.7

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
9,413 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
JetBlue
7.2
Good
2,900 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Aer Lingus
7.2
Good
1,473 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Food

6.7

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
7,781 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Food

6.7

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, Icelandair, and TAP AIR PORTUGAL can get you from London to Pennsylvania in just under 11h 25m. Your travel time can differ by up to 2h 40m. 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 £218. British Airways flights start at £331 while deals on Lufthansa start at £374 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 (80%), American Airlines (76%), Finnair (76%).

  • What are the cheapest flights from London to Pennsylvania?

    Looking at all options, your cheapest flight can be booked for £327. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £345 on average, our data indicates £954 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 £324). Flying from London to Pennsylvania in August is currently the most expensive (average of £495). 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
Heathrow to LaGuardia flights
Gatwick to John F Kennedy Intl flights
Stansted to John F Kennedy Intl flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
Gatwick to LaGuardia flights
Luton to John F Kennedy Intl flights
Heathrow to Miami flights
Heathrow to Boston flights
Manchester to John F Kennedy Intl flights
Stansted to Newark flights
Gatwick to Orlando flights
Heathrow to Las Vegas flights
London City to Newark flights
Manchester to Orlando flights
Luton to Newark flights
Heathrow to San Francisco flights
Heathrow to Dallas/Fort Worth flights
Heathrow to O'Hare Intl flights
Heathrow to Dulles Intl flights
Heathrow to Seattle flights
Gatwick to Boston flights
Stansted to Los Angeles flights
Edinburgh to John F Kennedy Intl flights
Gatwick to Los Angeles flights
Heathrow to Atlanta flights
Edinburgh to Newark flights
Manchester to Newark flights
Heathrow to Hobby flights
Gatwick to Miami flights
Stansted to Orlando flights
Heathrow to Tampa flights
London City to Los Angeles flights
Stansted to Miami flights
Manchester to LaGuardia flights
London City to Miami flights
Heathrow to Baltimore flights
Heathrow to George Bush Intcntl flights
London City to Boston flights
Stansted to Boston flights
Heathrow to Denver flights
Heathrow to Ontario flights
Heathrow to Nashville flights
Gatwick to Las Vegas flights
London City to Orlando flights
Gatwick to Dallas/Fort Worth 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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£303Average£511FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£339Average£532FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£387Average£558FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£414Average£537FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£421Average£588FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£453Average£639FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£457Average£618FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£459Average£598FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£461Average£655FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£461Average£627FlexibilityNo cancel feeOn-time76%
Search Finnair 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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