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Cheap flights from London to Pennsylvania from £297

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 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PHL
17 jan — 24 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 18 dezembro 2025.

qua 24/1214:45LHR - LGA
1 stop25h 19mFinnair
qua 25/213:25LGA - LHR
1 stop12h 35mFinnair
Deal found 17/12£384
qua 24/1211:45LGW - JFK
1 stop12h 30mIberia
qua 25/220:50JFK - LGW
1 stop17h 10mIberia
Deal found 17/12£385
qui 25/1210:10LHR - JFK
Nonstop8h 15mMultiple Airlines
ter 13/119:01JFK - LHR
Nonstop6h 54mMultiple Airlines
Deal found 17/12£393
qui 25/1211:25LHR - JFK
1 stop12h 50mFinnair
qua 21/119:20JFK - LHR
1 stop11h 40mFinnair
Deal found 16/12£394
qua 24/1212:15LHR - JFK
1 stop10h 45mIcelandair
qui 22/119:25JFK - LHR
1 stop10h 25mIcelandair
Deal found 16/12£396
qui 25/1206:00LHR - JFK
1 stop12h 05mSWISS
dom 11/116:25JFK - LHR
1 stop10h 40mSWISS
Deal found 17/12£396
qui 25/1220:00LHR - JFK
Nonstop7h 55mVirgin Atlantic
qua 21/118:00JFK - LHR
Nonstop7h 20mVirgin Atlantic
Deal found 17/12£397
qua 24/1216:35LGW - EWR
1 stop27h 55mTAP AIR PORTUGAL
qua 25/223:55EWR - LGW
2 stops29h 05mTAP AIR PORTUGAL
Deal found 17/12£402
qui 25/1218:00LHR - EWR
Nonstop8h 30mLufthansa
dom 11/109:10EWR - LHR
Nonstop7h 10mLufthansa
Deal found 17/12£405
qua 24/1211:45LGW - JFK
1 stop12h 30mIberia
qui 8/120:50JFK - LGW
1 stop17h 10mIberia
Deal found 17/12£406
qua 24/1214:45LHR - LGA
1 stop25h 19mFinnair
qua 7/112:12LGA - LHR
1 stop16h 08mFinnair
Deal found 16/12£408
qua 24/1210:45LHR - JFK
1 stop13h 30mIberia
qui 8/115:26JFK - LHR
1 stop12h 54mIberia
Deal found 16/12£408

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 18 dezembro 2025.

Round-trip from

£378

One-way from

£297

Popular in

December

Cheapest in

February

Average price

£712

Good round-trip deal

£567 or less

Good one-way deal

£429 or less
Iberia
  • Iberia
  • 25/1-2/2
  • 2 total stops
  • 41h 55m total
  • London to Pennsylvania
Search Deals
19/1
  • 19/1
  • 2 total stops
  • 29h 55m total
  • London to Pennsylvania
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 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 18 dezembro 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

qui 22/1

14:00-20:00

1 stop35h 00m

New York LaGuardia

sex 30/1

09:55-10:00

1 stop19h 05m

£378

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

sáb 17/1

13:25-19:02

1 stop10h 37m

New York LaGuardia

sáb 24/1

19:29-10:50

1 stop10h 21m

£384

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

sex 27/2

12:15-18:00

1 stop10h 45m

New York John F Kennedy Intl

dom 1/3

19:25-10:50

1 stop10h 25m

£384

LondonNew York

STN - JFK

STNJFK

London Stansted

sáb 17/1

06:40-19:20

2 stops17h 40m

New York John F Kennedy Intl

sáb 24/1

17:30-21:40

2 stops23h 10m

£387

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

seg 12/1

18:10-19:05

1 stop29h 55m

New York John F Kennedy Intl

qua 21/1

14:44-07:20

1 stop11h 36m

£393

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

sáb 9/5

14:05-19:36

1 stop10h 31m

New York LaGuardia

qua 3/6

17:40-10:00

1 stop11h 20m

£396

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

sáb 11/4

13:05-15:55

Nonstop7h 50m

New York John F Kennedy Intl

sáb 18/4

18:20-06:20

Nonstop7h 00m

£399

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

ter 24/2

10:00-15:45

1 stop10h 45m

New York John F Kennedy Intl

qua 4/3

08:20-20:10

Nonstop6h 50m

£402

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

sex 9/1

20:00-22:55

Nonstop7h 55m

New York John F Kennedy Intl

qui 12/2

18:00-06:20

Nonstop7h 20m

£402

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

ter 24/2

10:00-15:45

1 stop10h 45m

New York John F Kennedy Intl

seg 2/3

19:01-06:55

Nonstop6h 54m

£402

Flights are sorted by cheapest return flights first.

Deals found on 17/12

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 £490). 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 18 dezembro 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 18 dezembro 2025.

The most flights from LON to USPA are scheduled on a Monday (10 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (6 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 18 dezembro 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
1,338 reviews
Check prices

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Crew

8.1

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
1,338 reviews
Finnair
7.6
Good
1,338 reviews
Check prices

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Crew

8.1

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
9,092 reviews
Finnair
7.6
Good
1,338 reviews
Check prices

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Crew

8.1

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
2,895 reviews
Finnair
7.6
Good
1,338 reviews
Check prices

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Crew

8.1

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
3,050 reviews
Finnair
7.6
Good
1,338 reviews
Check prices

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Crew

8.1

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
7,583 reviews
Finnair
7.6
Good
1,338 reviews
Check prices

Comfort

7.4

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Crew

8.1

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, Icelandair, and Finnair can get you from London to Pennsylvania in just under 10h 37m. Your travel time can differ by up to 19h 18m. London and Pennsylvania are separated by a distance of 3438 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 £338 while deals on Lufthansa start at £373 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 (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 £387. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £273 on average, our data indicates £776 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 £490). 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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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 18 dezembro 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£303Average£506FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£339Average£533FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£387Average£543FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£402Average£582FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£403Average£531FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£438Average£608FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£447Average£619FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£454Average£639FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£455Average£590FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£460Average£683FlexibilityNo 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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