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Cheap flights from London to Pennsylvania from £273

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PHL
27 Feb — 6 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 28 January 2026.

Wed 4/213:00
LGW
-
JFK
Nonstop7h 55m
Norse Atlantic UK
Fri 6/218:05
JFK
-
LGW
Nonstop6h 55m
Norse Atlantic UK
Deal found 26/1£326
Wed 18/206:00
LHR
-
JFK
1 stop12h 05m
SWISS
Wed 11/317:25
JFK
-
LHR
1 stop10h 40m
SWISS
Deal found 27/1£326
Fri 27/218:40
LGW
-
JFK
1 stop23h 25m
SWISS
Sun 8/322:00
JFK
-
LGW
1 stop15h 50m
SWISS
Deal found 26/1£327
Wed 6/513:50
LTN
-
JFK
3 stops30h 50m
Multiple Airlines
Sun 10/517:10
JFK
-
LTN
2 stops15h 15m
Multiple Airlines
Deal found 27/1£327
Wed 25/220:35
LHR
-
JFK
1 stop26h 25m
Icelandair
Wed 4/319:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Deal found 26/1£327
Wed 11/210:40
LGW
-
JFK
1 stop14h 25m
TAP AIR PORTUGAL
Wed 25/222:00
JFK
-
LGW
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 26/1£328
Thu 26/206:50
LHR
-
JFK
1 stop11h 30m
Multiple Airlines
Thu 5/318:10
JFK
-
LHR
1 stop14h 55m
Multiple Airlines
Deal found 27/1£328
Fri 27/219:25
LHR
-
JFK
1 stop23h 50m
Multiple Airlines
Sun 8/322:00
JFK
-
LHR
1 stop11h 00m
Multiple Airlines
Deal found 26/1£328
Thu 16/415:40
LGW
-
JFK
1 stop11h 25m
Icelandair
Tue 21/423:10
JFK
-
LGW
1 stop10h 30m
Icelandair
Deal found 27/1£329
Tue 10/209:50
LGW
-
JFK
1 stop17h 10m
Multiple Airlines
Wed 11/218:05
JFK
-
LGW
Nonstop6h 55m
Multiple Airlines
Deal found 27/1£330
Fri 17/421:50
LTN
-
JFK
1 stop29h 40m
Multiple Airlines
Tue 21/423:25
JFK
-
LTN
1 stop13h 40m
Multiple Airlines
Deal found 26/1£330
Wed 18/309:00
LHR
-
JFK
1 stop12h 40m
United Airlines
Fri 1/509:00
JFK
-
LHR
1 stop20h 00m
United Airlines
Deal found 26/1£330

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 28 January 2026.

Round-trip from

£326

One-way from

£273

Popular in

December

Cheapest in

January

Average price

£468

Good round-trip deal

£484 or less

Good one-way deal

£397 or less
Norse Atlantic UK
  • Norse Atlantic UK
  • 20/2-27/2
  • Nonstop
  • 14h 50m total
  • London to Pennsylvania
Search Deals
SWISS
  • SWISS
  • 15/3
  • 1 total stop
  • 23h 25m total
  • London to Pennsylvania
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 28 January 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

LTN - JFK

LTNJFK

London Luton

Wed 22/4

12:45-21:40

1 stop13h 55m

New York John F Kennedy Intl

Sun 26/4

23:25-11:00

1 stop30h 35m

£326

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 28/2

09:00-16:40

1 stop12h 40m

New York John F Kennedy Intl

Sun 8/3

22:00-16:20

1 stop14h 20m

£332

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Tue 3/2

09:00-16:40

1 stop12h 40m

New York John F Kennedy Intl

Wed 11/2

15:40-10:45

1 stop14h 05m

£332

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sun 8/3

09:00-17:40

1 stop12h 40m

New York John F Kennedy Intl

Sat 14/3

19:25-10:05

1 stop10h 40m

£333

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 9/2

09:00-16:40

1 stop12h 40m

New York John F Kennedy Intl

Mon 16/2

10:05-07:10

1 stop16h 05m

£333

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Sun 19/4

15:40-22:05

1 stop11h 25m

New York John F Kennedy Intl

Mon 4/5

23:10-14:40

1 stop10h 30m

£335

LondonNew York

STN - JFK

STNJFK

London Stansted

Wed 22/4

07:45-21:40

1 stop18h 55m

New York John F Kennedy Intl

Sun 26/4

23:25-07:30

1 stop27h 05m

£336

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Tue 24/2

11:55-18:00

1 stop11h 05m

New York John F Kennedy Intl

Tue 3/3

19:25-10:55

1 stop10h 30m

£340

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Thu 26/2

11:55-18:00

1 stop11h 05m

New York John F Kennedy Intl

Tue 3/3

19:25-10:55

1 stop10h 30m

£342

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Fri 1/5

13:05-19:15

1 stop11h 10m

Newark

Sun 24/5

20:25-20:20

1 stop18h 55m

£344

Flights are sorted by cheapest return flights first.

Deals found on 27/1

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 £319). Flying from London to Pennsylvania in August is currently the most expensive (average of £477). 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 28 January 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 28 January 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).

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 28 January 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
1,356 reviews
Check prices

Boarding

7.7

Food

6.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

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
1,356 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Boarding

7.7

Food

6.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

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
9,206 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Boarding

7.7

Food

6.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

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
2,889 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Boarding

7.7

Food

6.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

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
3,099 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Boarding

7.7

Food

6.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

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
7,702 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Boarding

7.7

Food

6.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

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?

    United 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 3h. 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 JetBlue, which is currently one of the cheapest options available, starting at £316. Aer Lingus flights start at £372 while deals on British Airways start at £384 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: Aer Lingus (73%), American Airlines (72%), Finnair (72%).

  • What are the cheapest flights from London to Pennsylvania?

    Looking at all options, your cheapest flight can be booked for £376. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £265 on average, our data indicates £961 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 £319). Flying from London to Pennsylvania in August is currently the most expensive (average of £477). 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
Gatwick to Newark flights
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Gatwick to John F Kennedy Intl flights
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Luton to John F Kennedy Intl flights
Heathrow to Orlando flights
Heathrow to Dallas/Fort Worth flights
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Stansted to Newark flights
Manchester to John F Kennedy Intl flights
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Heathrow to Dulles Intl flights
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Manchester to LaGuardia flights
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Stansted to Los Angeles flights
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Edinburgh to Newark flights
Heathrow to Baltimore flights
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Heathrow to George Bush Intcntl flights
Heathrow to Ontario flights
Gatwick to San Francisco flights
Heathrow to Denver flights
Heathrow to Nashville flights
Stansted to Orlando flights
London City to Orlando flights
London City 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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£295Average£497FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£330Average£519FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£376Average£544FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£392Average£517FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£409Average£568FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£429Average£592FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£433Average£607FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£443Average£578FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapest£444Average£582FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapest£448Average£576FlexibilityNo 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 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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