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Cheap flights from London to Pennsylvania from £349

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PHL
11 Aug — 18 Aug1
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 12 July 2026.

Thu 8/1013:05
LGW
-
JFK
Nonstop7h 50m
Multiple Airlines
Sun 18/1023:10
JFK
-
LGW
1 stop10h 30m
Multiple Airlines
Deal found 10/7£461
Fri 11/906:35
STN
-
JFK
1 stop14h 22m
Multiple Airlines
Mon 14/923:30
JFK
-
STN
2 stops18h 50m
Multiple Airlines
Deal found 11/7£461
Fri 28/806:20
LTN
-
JFK
1 stop12h 20m
Multiple Airlines
Tue 1/923:55
JFK
-
LTN
1 stop10h 35m
Multiple Airlines
Deal found 11/7£461
Sat 19/906:00
LHR
-
JFK
1 stop19h 05m
TAP AIR PORTUGAL
Tue 29/922:05
JFK
-
LHR
1 stop14h 40m
TAP AIR PORTUGAL
Deal found 11/7£461
Tue 1/920:10
LGW
-
JFK
2 stops27h 45m
Multiple Airlines
Sun 13/918:20
JFK
-
LGW
Nonstop7h 00m
Multiple Airlines
Deal found 10/7£462
Tue 1/915:10
STN
-
JFK
2 stops33h 10m
Multiple Airlines
Sat 31/1020:25
JFK
-
STN
2 stops22h 10m
Multiple Airlines
Deal found 10/7£462
Wed 26/815:55
LTN
-
JFK
1 stop11h 30m
Multiple Airlines
Wed 2/916:55
JFK
-
LTN
1 stop11h 05m
Multiple Airlines
Deal found 12/7£462
Mon 31/807:05
LHR
-
JFK
1 stop13h 35m
Scandinavian Airlines
Tue 8/917:10
JFK
-
LHR
1 stop16h 25m
Scandinavian Airlines
Deal found 8/7£462
Tue 15/921:35
LGW
-
LGA
2 stops22h 24m
Multiple Airlines
Fri 25/917:30
LGA
-
LGW
2 stops21h 25m
Multiple Airlines
Deal found 10/7£462
Fri 9/1017:25
LGW
-
JFK
1 stop34h 05m
Multiple Airlines
Mon 12/1000:30
JFK
-
LGW
1 stop17h 35m
Multiple Airlines
Deal found 7/7£462
Mon 17/822:45
STN
-
JFK
1 stop19h 55m
Multiple Airlines
Tue 25/823:55
JFK
-
STN
1 stop18h 25m
Multiple Airlines
Deal found 7/7£462
Wed 26/815:55
LTN
-
JFK
1 stop11h 30m
Multiple Airlines
Mon 31/816:55
JFK
-
LTN
1 stop11h 20m
Multiple Airlines
Deal found 8/7£462

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 12 July 2026.

Round-trip from

£461

One-way from

£349

Popular in

July

Cheapest in

September

Average price

£750

Good round-trip deal

£599 or less

Good one-way deal

£524 or less
Icelandair
  • Icelandair
  • 8/10-18/10
  • 1 total stop
  • 18h 20m total
  • London to Pennsylvania
Search Deals
11/12
  • 11/12
  • 3 total stops
  • 26h 10m total
  • London to Pennsylvania
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£52 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 12 July 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

Thu 13/8

13:00-22:25

1 stop14h 25m

New York John F Kennedy Intl

Fri 21/8

23:55-00:30

1 stop19h 35m

£477

LondonNew York

LTN - JFK

LTNJFK

London Luton

Sat 3/10

11:00-21:14

2 stops15h 14m

New York John F Kennedy Intl

Tue 6/10

22:20-13:25

1 stop10h 05m

£483

LondonNew York

LTN - JFK

LTNJFK

London Luton

Fri 9/10

05:55-19:10

2 stops18h 15m

New York John F Kennedy Intl

Fri 16/10

00:30-21:05

1 stop15h 35m

£486

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Sun 13/9

10:55-22:00

1 stop16h 05m

New York John F Kennedy Intl

Thu 17/9

23:50-10:15

1 stop29h 25m

£488

LondonNew York

LTN - JFK

LTNJFK

London Luton

Wed 14/10

18:10-17:45

1 stop28h 35m

New York John F Kennedy Intl

Sat 17/10

22:05-18:10

1 stop15h 05m

£489

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sun 1/11

10:05-13:15

Nonstop8h 10m

New York John F Kennedy Intl

Sun 8/11

18:25-06:20

Nonstop6h 55m

£498

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 12/9

08:20-11:10

Nonstop7h 50m

New York John F Kennedy Intl

Sat 26/9

19:35-07:45

Nonstop7h 10m

£498

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Sat 3/10

10:35-20:05

1 stop14h 30m

New York John F Kennedy Intl

Sun 11/10

22:05-20:25

2 stops17h 20m

£500

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Tue 22/9

10:35-20:05

1 stop14h 30m

New York John F Kennedy Intl

Tue 29/9

22:05-20:25

2 stops17h 20m

£502

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 17/10

18:05-21:05

Nonstop8h 00m

New York John F Kennedy Intl

Sun 25/10

23:45-20:40

1 stop16h 55m

£506

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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 £269). Flying from London to Pennsylvania in May is currently the most expensive (average of £1,340). 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 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 12 July 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 12 July 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 90 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 12 July 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
7.6
Good
1,418 reviews
Check prices

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Comfort

7.4

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
Finnair
7.6
Good
1,418 reviews
Finnair
7.6
Good
1,418 reviews
Check prices

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Comfort

7.4

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
Aer Lingus
7.3
Good
1,659 reviews
Finnair
7.6
Good
1,418 reviews
Check prices

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Comfort

7.4

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
American Airlines
7.1
Good
11,816 reviews
Finnair
7.6
Good
1,418 reviews
Check prices

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Comfort

7.4

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
JetBlue
7.1
Good
3,011 reviews
Finnair
7.6
Good
1,418 reviews
Check prices

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Comfort

7.4

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
British Airways
6.7
Okay
8,106 reviews
Finnair
7.6
Good
1,418 reviews
Check prices

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Comfort

7.4

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 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?

    LEVEL, British Airways, and TAP AIR PORTUGAL can get you from London to Pennsylvania in just under 8h 10m. Your travel time can differ by up to 7h 55m. London and Pennsylvania are separated by a distance of 3440 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 £323. British Airways flights start at £330 while deals on Air India start at £350 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 (88%), American Airlines (81%), Finnair (81%).

  • What are the cheapest flights from London to Pennsylvania?

    Looking at all options, your cheapest flight can be booked for £395. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £295 on average, our data indicates £1,980 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 £269). Flying from London to Pennsylvania in May is currently the most expensive (average of £1,340). 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

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.
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Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
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Heathrow to Denver flights
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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 12 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£211Average£648FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£255Average£466FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£401Average£652FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£419Average£573FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£435Average£519FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£453Average£637FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£456Average£720FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£459Average£640FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£460Average£651FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£464Average£754FlexibilityNo 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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