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Pennsylvania

$397+ Cheap flights from London (LON) to Pennsylvania

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PHL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from London to Pennsylvania

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 December 18, 2025.

This ChecknFly deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:45 pmLHR - LGA
1 stop25h 19mFinnair
Wed 2/251:25 pmLGA - LHR
1 stop12h 35mFinnair
Deal found 12/17$514
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:45 amLGW - JFK
1 stop12h 30mIberia
Wed 2/258:50 pmJFK - LGW
1 stop17h 10mIberia
Deal found 12/17$515
This Bookaflight.co.il deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bookaflight.co.il is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:10 amLHR - JFK
Nonstop8h 15mMultiple Airlines
Tue 1/137:01 pmJFK - LHR
Nonstop6h 54mMultiple Airlines
Deal found 12/17$525
This ChecknFly deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:25 amLHR - JFK
1 stop12h 50mFinnair
Wed 1/217:20 pmJFK - LHR
1 stop11h 40mFinnair
Deal found 12/16$527
This Gotogate deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:15 pmLHR - JFK
1 stop10h 45mIcelandair
Thu 1/227:25 pmJFK - LHR
1 stop10h 25mIcelandair
Deal found 12/16$529
This The Travel House deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amLHR - JFK
1 stop12h 05mSWISS
Sun 1/114:25 pmJFK - LHR
1 stop10h 40mSWISS
Deal found 12/17$530
This Netflights deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 pmLHR - JFK
Nonstop7h 55mVirgin Atlantic
Wed 1/216:00 pmJFK - LHR
Nonstop7h 20mVirgin Atlantic
Deal found 12/17$531
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:05 pmLHR - LGA
1 stop11h 39mUnited Airlines
Thu 1/1510:10 amLGA - LHR
1 stop14h 45mUnited Airlines
Deal found 12/17$536
This Trip.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:35 pmLGW - EWR
1 stop27h 55mTAP AIR PORTUGAL
Wed 2/2511:55 pmEWR - LGW
2 stops29h 05mTAP AIR PORTUGAL
Deal found 12/17$538
This Trip.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:45 amLGW - JFK
1 stop12h 30mIberia
Mon 1/195:00 pmJFK - LGW
1 stop12h 50mIberia
Deal found 12/17$543
This ChecknFly deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:45 pmLHR - LGA
1 stop25h 19mFinnair
Wed 1/712:12 pmLGA - LHR
1 stop16h 08mFinnair
Deal found 12/16$545
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:45 amLHR - JFK
1 stop13h 30mIberia
Thu 1/83:26 pmJFK - LHR
1 stop12h 54mIberia
Deal found 12/16$545

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$505
(Kiwi.com)

One-way from

$397
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$952

Good round-trip deal

$744 or less

Good one-way deal

$451 or less
Provider with most accurate pricing for London (LON)-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Philadelphia flights.
Search Deals
From London (LON) to Pennsylvania
Search Deals
One-way flight from London (LON) to Pennsylvania
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT 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

 
Customize 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 2,558,603 searches. Data last updated December 18, 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 1/22

2:00 pm-8:00 pm

1 stop35h 00m

New York LaGuardia

Fri 1/30

9:55 am-10:00 am

1 stop19h 05m

$505

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Thu 2/26

11:55 am-6:00 pm

1 stop11h 05m

New York John F Kennedy Intl

Fri 3/6

7:25 pm-10:55 am

1 stop10h 30m

$511

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sat 1/17

1:25 pm-9:33 pm

1 stop13h 08m

New York LaGuardia

Sat 1/24

3:20 pm-7:10 am

1 stop10h 50m

$513

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 1/16

1:25 pm-7:02 pm

1 stop10h 37m

New York LaGuardia

Fri 1/23

12:40 pm-7:10 am

1 stop13h 30m

$514

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 2/26

12:15 pm-6:00 pm

1 stop10h 45m

New York John F Kennedy Intl

Fri 3/6

7:25 pm-10:50 am

1 stop10h 25m

$514

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Tue 2/24

12:15 pm-6:00 pm

1 stop10h 45m

New York John F Kennedy Intl

Sun 3/1

7:25 pm-10:50 am

1 stop10h 25m

$514

LondonNew York

STN - JFK

STNJFK

London Stansted

Sat 1/17

6:40 am-7:20 pm

2 stops17h 40m

New York John F Kennedy Intl

Sat 1/24

5:30 pm-9:40 pm

2 stops23h 10m

$518

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Mon 4/20

5:45 pm-10:30 pm

1 stop33h 45m

New York John F Kennedy Intl

Fri 4/24

6:20 pm-6:20 am

Nonstop7h 00m

$534

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Tue 2/24

10:00 am-3:45 pm

1 stop10h 45m

New York John F Kennedy Intl

Wed 3/4

8:20 am-8:10 pm

Nonstop6h 50m

$538

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Sun 3/8

6:05 pm-2:35 pm

1 stop24h 30m

Newark

Sat 3/14

6:40 pm-12:55 pm

1 stop14h 15m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 round-trip 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 $438). Flying from London to Pennsylvania in August is currently the most expensive (average of $656). 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 December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 33% on flights from London to Pennsylvania by exploring options for tickets in the evening.

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 December 18, 2025.

The most flights from LON to USPA are scheduled on a Wednesday (10 on average). You will have fewer flight options on Monday, 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 December 18, 2025.
Get a feel of what it's like to fly with American Airlines, JetBlue, and Aer Lingus from London to Pennsylvania by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,054 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

Food

6.5

Comfort

7.2

Reviews

1 / 20
8.0
Excellent

Cameron,Nov 2025

LHR - LIS

This trip was probably the worst one we have ever had on British Airways!!!
American Airlines
7.2
Good
11,054 reviews
American Airlines
7.2
Good
11,054 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

Food

6.5

Comfort

7.2

Reviews

1 / 20
8.0
Excellent

Cameron,Nov 2025

LHR - LIS

This trip was probably the worst one we have ever had on British Airways!!!
JetBlue
7.2
Good
2,896 reviews
American Airlines
7.2
Good
11,054 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

Food

6.5

Comfort

7.2

Reviews

1 / 20
8.0
Excellent

Cameron,Nov 2025

LHR - LIS

This trip was probably the worst one we have ever had on British Airways!!!
Aer Lingus
7.2
Good
1,399 reviews
American Airlines
7.2
Good
11,054 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

Food

6.5

Comfort

7.2

Reviews

1 / 20
8.0
Excellent

Cameron,Nov 2025

LHR - LIS

This trip was probably the worst one we have ever had on British Airways!!!
Iberia
7.0
Good
3,054 reviews
American Airlines
7.2
Good
11,054 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

Food

6.5

Comfort

7.2

Reviews

1 / 20
8.0
Excellent

Cameron,Nov 2025

LHR - LIS

This trip was probably the worst one we have ever had on British Airways!!!
British Airways
6.7
Okay
7,586 reviews
American Airlines
7.2
Good
11,054 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

Food

6.5

Comfort

7.2

Reviews

1 / 20
8.0
Excellent

Cameron,Nov 2025

LHR - LIS

This trip was probably the worst one we have ever had on British Airways!!!

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?

    Departing from London to Pennsylvania will take you 10h 37m. There are 3438 mi between London and Pennsylvania. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from London to Pennsylvania one-way?

    $466 is the cheapest one-way deal found within the past few days, from Finnair. You may also be able to find cheap deals on Aer Lingus and American Airlines, with prices starting from $494 and $503, respectively.

  • What are the most popular routes from London to Pennsylvania?

    The most popular route from London to Pennsylvania is London Heathrow - New York John F Kennedy Intl. You may also consider London Heathrow - Newark or London Heathrow - New York LaGuardia.

  • What are the most reliable airlines from London to Pennsylvania?

    Consider Malaysia Airlines (91%), Finnair (87%) or American Airlines (86%) when booking your flight. These represent the most reliable airlines when flying from London to Pennsylvania.

  • What are the cheapest flights from London to Pennsylvania?

    The cheapest flight price from London to Pennsylvania is $499. On average you can expect to pay $811. The most popular route, (London Heathrow - New York John F Kennedy Intl), can usually be booked for $365.

  • 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 vacation 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 $438). Flying from London to Pennsylvania in August is currently the most expensive (average of $656). 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.
Heathrow to John F Kennedy Intl flights
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Top 5 airlines flying from London to Pennsylvania

Discover the top 5 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 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$559Average$794FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$580Average$801FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$592Average$814FlexibilityNo cancel feeOn-time71%
FinnairCheapest$642Average$767FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$670Average$1,182FlexibilityNo cancel feeOn-timeN/A

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