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Cheap flights from London to Pennsylvania from £298

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PHL
4 Jan — 11 Jan1
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 5 December 2025.

Mon 8/1207:00LHR - JFK
1 stop12h 40mSWISS
Sun 8/221:00JFK - LHR
1 stop14h 20mSWISS
Deal found 1/12£373
Tue 9/1211:25LHR - JFK
1 stop12h 50mAmerican Airlines
Sat 13/1221:59JFK - LHR
1 stop16h 01mAmerican Airlines
Deal found 2/12£374
Wed 10/1209:00LHR - JFK
1 stop12h 40mSWISS
Wed 7/119:35JFK - LHR
1 stop16h 05mSWISS
Deal found 2/12£376
Wed 10/1209:00LHR - JFK
1 stop12h 40mSWISS
Mon 12/121:00JFK - LHR
1 stop14h 20mSWISS
Deal found 1/12£377
Wed 10/1211:05LHR - LGA
2 stops32h 37mAir Canada
Sun 14/1206:05LGA - LHR
2 stops22h 15mAir Canada
Deal found 3/12£379
Wed 10/1217:50LHR - JFK
1 stop24h 30mBrussels Airlines
Sat 17/118:25JFK - LHR
1 stop10h 40mBrussels Airlines
Deal found 4/12£379
Wed 10/1220:05LHR - JFK
1 stop22h 00mMultiple Airlines
Sun 14/1210:05JFK - LHR
2 stops18h 15mMultiple Airlines
Deal found 3/12£380
Wed 10/1210:00LHR - JFK
1 stop11h 25mBritish Airways
Tue 13/110:15JFK - LHR
Nonstop6h 55mBritish Airways
Deal found 2/12£381
Tue 9/1207:40LHR - JFK
1 stop13h 00mMultiple Airlines
Mon 15/1210:05JFK - LHR
1 stop16h 05mMultiple Airlines
Deal found 2/12£382
Wed 10/1208:40LHR - JFK
1 stop12h 05mDelta
Wed 14/120:00JFK - LHR
Nonstop7h 05mDelta
Deal found 1/12£383
Wed 10/1217:00LHR - JFK
Nonstop8h 05mFinnair
Sun 14/1215:25JFK - LHR
1 stop12h 55mFinnair
Deal found 2/12£384
Tue 9/1210:10LHR - JFK
Nonstop8h 15mVirgin Atlantic
Mon 15/1206:05JFK - LHR
1 stop20h 45mVirgin Atlantic
Deal found 2/12£384

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 5 December 2025.

Round-trip from

£373

One-way from

£298

Popular in

December

Cheapest in

February

Average price

£693

Good round-trip deal

£595 or less

Good one-way deal

£503 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 25/1-1/2
  • 3 total stops
  • 40h 25m total
  • London to Pennsylvania
Search Deals
Lufthansa
  • Lufthansa
  • 26/1
  • 1 total stop
  • 13h 08m total
  • London to Pennsylvania
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£21 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 December 2025
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 5 December 2025.
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 - LGA

LGWLGA

London Gatwick

Thu 5/3

14:00-20:00

1 stop35h 00m

New York LaGuardia

Wed 25/3

09:55-10:00

1 stop20h 05m

£379

LondonNew York

STN - JFK

STNJFK

London Stansted

Thu 2/4

13:15-17:00

2 stops32h 45m

New York John F Kennedy Intl

Thu 9/4

17:10-21:20

2 stops23h 10m

£380

LondonNew York

STN - JFK

STNJFK

London Stansted

Wed 7/1

18:50-19:05

2 stops29h 15m

New York John F Kennedy Intl

Tue 13/1

22:45-23:50

2 stops20h 05m

£383

LondonNew York

LTN - JFK

LTNJFK

London Luton

Fri 23/1

05:50-18:00

2 stops17h 10m

New York John F Kennedy Intl

Fri 6/2

19:25-15:25

2 stops15h 00m

£383

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Wed 18/3

11:55-19:00

1 stop11h 05m

New York John F Kennedy Intl

Mon 23/3

20:25-10:55

1 stop10h 30m

£387

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Tue 3/3

11:55-18:00

1 stop11h 05m

New York John F Kennedy Intl

Thu 12/3

20:25-10:55

1 stop10h 30m

£390

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Tue 3/3

11:55-18:00

1 stop11h 05m

New York John F Kennedy Intl

Tue 17/3

20:25-10:55

1 stop10h 30m

£390

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Tue 10/2

06:30-16:09

2 stops14h 39m

New York John F Kennedy Intl

Fri 13/2

09:45-09:20

2 stops18h 35m

£396

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Fri 23/1

13:00-15:55

Nonstop7h 55m

New York John F Kennedy Intl

Wed 28/1

18:05-06:00

Nonstop6h 55m

£396

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Fri 30/1

13:00-15:55

Nonstop7h 55m

New York John F Kennedy Intl

Mon 2/2

18:05-06:00

Nonstop6h 55m

£398

Flights are sorted by cheapest return flights first.

Deals found on 3/12

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 £328). 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 5 December 2025.

One of the essential ways to save on airfare from London to Pennsylvania is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 19% on airfare.

What is the cheapest day to fly from London to Pennsylvania?

Use this chart to determine the cheapest time to fly return from London to Pennsylvania. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Pennsylvania flight should consider departing on Tuesday at midday when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 5 December 2025.

The most flights from LON to USPA are scheduled on a Thursday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 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 5 December 2025.
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
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,334 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
United Airlines
7.4
Good
9,064 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
JetBlue
7.2
Good
2,898 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Iberia
7.0
Good
3,040 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,562 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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, United Airlines, and Norse Atlantic UK can get you from London to Pennsylvania in just under 7h 55m. Your travel time can differ by up to 6h 44m. 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 British Airways, which is currently one of the cheapest options available, starting at £360. Aer Lingus flights start at £388 while deals on Iberia start at £419 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: Malaysia Airlines (89%), American Airlines (85%), Iberia (85%).

  • What are the cheapest flights from London to Pennsylvania?

    Looking at all options, your cheapest flight can be booked for £400. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £307 on average, our data indicates £823 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 £328). 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

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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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Luton to Los Angeles flights
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London City to San Francisco 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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£304Average£500FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£340Average£537FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£387Average£564FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£393Average£570FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£404Average£538FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£440Average£610FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£449Average£638FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£455Average£600FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapest£461Average£631FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£466Average£758FlexibilityNo 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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