Cheap flights from London to Pennsylvania from £291

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PHL
7 2월 — 14 2월1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Pennsylvania

Keep the following information in mind while searching for London to Pennsylvania flight deals. Data was last updated 8 1월 2026.

Round-trip from

£344

One-way from

£291

Popular in

December

Cheapest in

January

Average price

£471

Good round-trip deal

£548 or less

Good one-way deal

£404 or less
Icelandair
  • Icelandair
  • 17/4-21/4
  • 2 total stops
  • 22h 00m total
  • London to Pennsylvania
SWISS
  • SWISS
  • 3/5
  • 1 total stop
  • 12h 10m total
  • London to Pennsylvania
Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from London (LON) to Pennsylvania.
Price to beat on a one-way flight from London (LON) to Pennsylvania.

Find 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 8 1월 2026.

금 17/415:40LGW - JFK
1 stop11h 30mIcelandair
화 21/423:10JFK - LGW
1 stop10h 30mIcelandair
Deal found 7/1£344
월 9/206:50LHR - LGA
2 stops12h 50mAir Canada
수 11/319:45LGA - LHR
1 stop31h 25mAir Canada
Deal found 7/1£344
화 14/412:45LTN - JFK
1 stop13h 55mMultiple Airlines
금 17/423:25JFK - LTN
1 stop13h 40mMultiple Airlines
Deal found 7/1£344
화 3/210:10LHR - JFK
Nonstop8h 25mVirgin Atlantic
월 23/218:00JFK - LHR
Nonstop7h 20mVirgin Atlantic
Deal found 7/1£344
목 7/518:35LGW - LGA
2 stops31h 51mMultiple Airlines
월 11/508:45LGA - LGW
2 stops18h 35mMultiple Airlines
Deal found 7/1£344
토 19/915:40LGW - JFK
1 stop11h 30mIcelandair
토 26/923:10JFK - LGW
1 stop10h 30mIcelandair
Deal found 6/1£345
금 6/306:50LHR - LGA
2 stops12h 50mAir Canada
화 10/317:40LGA - LHR
1 stop9h 30mAir Canada
Deal found 7/1£345
토 7/206:30LHR - JFK
1 stop12h 20mUnited Airlines
토 14/216:50JFK - LHR
1 stop14h 00mUnited Airlines
Deal found 7/1£345
화 14/415:40LGW - JFK
1 stop11h 30mIcelandair
월 20/423:10JFK - LGW
1 stop10h 30mIcelandair
Deal found 7/1£345
금 13/206:50LHR - LGA
2 stops16h 52mUnited Airlines
수 25/213:15LGA - LHR
1 stop11h 40mUnited Airlines
Deal found 7/1£345
목 5/206:30STN - JFK
1 stop17h 59mMultiple Airlines
일 8/217:00JFK - STN
1 stop9h 50mMultiple Airlines
Deal found 6/1£345
목 5/209:00LTN - JFK
1 stop15h 29mMultiple Airlines
일 8/217:00JFK - LTN
1 stop10h 55mMultiple Airlines
Deal found 6/1£345

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 8 1월 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

LHR - LGA

LHRLGA

London Heathrow

토 21/2

06:30-19:03

2 stops17h 33m

New York LaGuardia

목 26/2

19:29-10:50

1 stop10h 21m

£345

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

토 7/2

06:30-13:50

1 stop12h 20m

New York John F Kennedy Intl

토 14/2

16:50-11:50

1 stop14h 00m

£345

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

화 3/2

06:50-14:40

2 stops12h 50m

New York LaGuardia

화 10/2

12:40-07:10

1 stop13h 30m

£346

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

토 16/5

13:05-19:20

1 stop11h 15m

New York John F Kennedy Intl

일 24/5

20:30-20:20

1 stop18h 50m

£346

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

목 7/5

13:05-22:10

1 stop14h 05m

New York John F Kennedy Intl

월 11/5

20:30-11:55

1 stop10h 25m

£348

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

화 10/3

06:35-22:39

2 stops20h 04m

New York John F Kennedy Intl

금 13/3

22:55-14:45

1 stop11h 50m

£349

LondonNew York

STN - JFK

STNJFK

London Stansted

일 25/1

10:15-19:29

1 stop14h 14m

New York John F Kennedy Intl

일 1/2

17:00-07:50

1 stop9h 50m

£352

LondonNew York

LTN - JFK

LTNJFK

London Luton

일 25/1

08:05-13:55

1 stop10h 50m

New York John F Kennedy Intl

일 1/2

17:00-08:55

1 stop10h 55m

£352

LondonNew York

STN - JFK

STNJFK

London Stansted

금 23/1

08:30-19:29

1 stop15h 59m

New York John F Kennedy Intl

수 28/1

17:00-07:50

1 stop9h 50m

£354

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

금 1/5

13:05-15:55

Nonstop7h 50m

New York John F Kennedy Intl

토 9/5

18:20-06:20

Nonstop7h 00m

£357

Flights are sorted by cheapest return flights first.

Deals found on 4/1

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 £324). Flying from London to Pennsylvania in August is currently the most expensive (average of £485). 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 8 1월 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 8 1월 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).

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 8 1월 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.

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.4

Boarding

7.7

Food

6.7

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.

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.4

Boarding

7.7

Food

6.7

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.

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.4

Boarding

7.7

Food

6.7

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.

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.4

Boarding

7.7

Food

6.7

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.

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.4

Boarding

7.7

Food

6.7

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.

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.4

Boarding

7.7

Food

6.7

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, Air Canada, and Icelandair can get you from London to Pennsylvania in just under 11h 15m. Your travel time can differ by up to 6h 18m. 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 £216. British Airways flights start at £335 while deals on Lufthansa start at £370 one-way.

  • What are the most popular routes 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 (80%), American Airlines (79%), Finnair (79%).

  • 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 £270 on average, our data indicates £881 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 £324). Flying from London to Pennsylvania in August is currently the most expensive (average of £485). 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.

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 8 1월 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£300Average£501FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£336Average£528FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£383Average£553FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£399Average£520FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£417Average£578FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£434Average£600FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£440Average£628FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£442Average£582FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£450Average£633FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£451Average£588FlexibilityNo cancel feeOn-time77%
Search Iberia 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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