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Cheap flights from London to Pennsylvania from £296

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 20/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PHL
22 Jan — 29 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 23 December 2025.

Sat 27/1211:45LHR - LGA
1 stop13h 32mFinnair
Thu 15/115:26LGA - LHR
1 stop12h 54mFinnair
Deal found 20/12£382
Mon 29/1213:30LHR - JFK
1 stop23h 00mFinnair
Sat 17/118:25JFK - LHR
Nonstop6h 55mFinnair
Deal found 22/12£382
Mon 29/1209:40LHR - JFK
1 stop26h 49mVirgin Atlantic
Mon 12/121:00JFK - LHR
1 stop29h 50mVirgin Atlantic
Deal found 21/12£385
Sat 27/1206:15LHR - JFK
1 stop12h 05mAmerican Airlines
Fri 16/110:15JFK - LHR
Nonstop6h 55mAmerican Airlines
Deal found 20/12£389
Mon 29/1209:40LHR - JFK
1 stop26h 49mVirgin Atlantic
Sat 10/108:20JFK - LHR
Nonstop6h 50mVirgin Atlantic
Deal found 21/12£390
Wed 31/1216:10LHR - JFK
Nonstop8h 30mDelta
Sat 10/122:00JFK - LHR
Nonstop7h 15mDelta
Deal found 22/12£392
Wed 31/1216:10LHR - JFK
Nonstop8h 30mDelta
Sun 11/119:01JFK - LHR
Nonstop6h 54mDelta
Deal found 22/12£395
Mon 29/1211:25LHR - JFK
1 stop12h 50mAmerican Airlines
Tue 13/110:15JFK - LHR
Nonstop6h 55mAmerican Airlines
Deal found 22/12£398
Wed 31/1207:40LHR - LGA
1 stop14h 33mUnited Airlines
Wed 7/119:29LGA - LHR
1 stop10h 21mUnited Airlines
Deal found 22/12£399
Wed 31/1210:25LHR - EWR
1 stop17h 50mLufthansa
Wed 7/108:25EWR - LHR
Nonstop7h 10mLufthansa
Deal found 22/12£399
Tue 23/1213:25LHR - JFK
1 stop12h 33mAir Canada
Tue 24/216:50JFK - LHR
1 stop13h 30mAir Canada
Deal found 21/12£400
Sat 27/1216:00LHR - EWR
Nonstop8h 35mBrussels Airlines
Fri 30/118:00EWR - LHR
Nonstop7h 20mBrussels Airlines
Deal found 20/12£401

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 23 December 2025.

Round-trip from

£369

One-way from

£296

Popular in

December

Cheapest in

February

Average price

£717

Good round-trip deal

£570 or less

Good one-way deal

£468 or less
Iberia
  • Iberia
  • 21/1-28/1
  • 2 total stops
  • 25h 20m total
  • London to Pennsylvania
Search Deals
Iberia
  • Iberia
  • 20/2
  • 1 total stop
  • 12h 30m total
  • London to Pennsylvania
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 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 23 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

LTN - JFK

LTNJFK

London Luton

Thu 22/1

14:10-19:29

1 stop10h 19m

New York John F Kennedy Intl

Thu 29/1

17:00-08:45

1 stop10h 45m

£371

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 13/4

08:30-20:05

1 stop16h 35m

New York John F Kennedy Intl

Sat 18/4

16:50-21:00

2 stops23h 10m

£372

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Fri 16/1

15:10-18:45

Nonstop8h 35m

Newark

Fri 23/1

18:00-06:20

Nonstop7h 20m

£376

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 19/1

10:35-13:35

Nonstop8h 00m

New York John F Kennedy Intl

Mon 26/1

21:50-09:40

Nonstop6h 50m

£377

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sun 25/1

18:00-21:05

Nonstop8h 05m

New York John F Kennedy Intl

Mon 2/2

21:35-09:35

Nonstop7h 00m

£377

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 22/1

09:00-16:40

1 stop12h 40m

New York John F Kennedy Intl

Thu 29/1

17:30-12:50

2 stops14h 20m

£377

LondonNew York

LTN - JFK

LTNJFK

London Luton

Thu 5/2

14:10-19:29

1 stop10h 19m

New York John F Kennedy Intl

Mon 9/2

17:00-08:35

1 stop10h 35m

£377

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 29/1

18:00-21:05

Nonstop8h 05m

New York John F Kennedy Intl

Mon 2/2

10:15-22:10

Nonstop6h 55m

£377

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 10/1

10:10-13:35

Nonstop8h 25m

New York John F Kennedy Intl

Sat 17/1

14:30-06:50

1 stop11h 20m

£377

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Tue 10/2

12:00-15:30

Nonstop8h 30m

Newark

Tue 17/2

22:00-10:25

Nonstop7h 25m

£377

Flights are sorted by cheapest return flights first.

Deals found on 22/12

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 £326). 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 23 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 23 December 2025.

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 23 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
1,339 reviews
Check prices

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

Comfort

7.4

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
1,339 reviews
Finnair
7.6
Good
1,339 reviews
Check prices

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

Comfort

7.4

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
9,105 reviews
Finnair
7.6
Good
1,339 reviews
Check prices

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

Comfort

7.4

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
2,897 reviews
Finnair
7.6
Good
1,339 reviews
Check prices

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

Comfort

7.4

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
3,056 reviews
Finnair
7.6
Good
1,339 reviews
Check prices

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

Comfort

7.4

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
7,605 reviews
Finnair
7.6
Good
1,339 reviews
Check prices

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

Comfort

7.4

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?

    United Airlines, Finnair, and British Airways can get you from London to Pennsylvania in just under 8h. Your travel time can differ by up to 8h 35m. 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 £217. British Airways flights start at £337 while deals on Lufthansa start at £372 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 (91%), Finnair (87%), American Airlines (86%).

  • What are the cheapest flights from London to Pennsylvania?

    Looking at all options, your cheapest flight can be booked for £385. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £277 on average, our data indicates £784 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 £326). 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

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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 Denver 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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£302Average£504FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£337Average£531FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£385Average£541FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£401Average£530FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£418Average£573FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£436Average£606FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£444Average£624FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£452Average£637FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£453Average£588FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£458Average£680FlexibilityNo 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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