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Cheap flights from Pennsylvania to London from £101

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
27 Aug — 3 Sep1
1 adult

Cheap flight deals from Pennsylvania to London

Keep the following information in mind while searching for Pennsylvania to London flight deals. Data was last updated 22 August 2025.

Round-trip from

£312

One-way from

£101

Popular in

June

Cheapest in

February

Average price

£510

Good round-trip deal

£384 or less

Good one-way deal

£302 or less
Iberia
  • Iberia
  • 30/1-1/2
  • 1 total stop
  • 19h 20m total
  • Pennsylvania to London
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Norse Atlantic UK
  • Norse Atlantic UK
  • 1/10
  • Nonstop
  • 7h 00m total
  • Pennsylvania to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£102 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Pennsylvania to London (LON).
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Price to beat on a one-way flight from Pennsylvania to London (LON).
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Find flight deals from Pennsylvania to London

Cheapest flights from Pennsylvania to London
Explore the most affordable flight options available from Pennsylvania to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Tue 11/1123:45JFK - LHR
1 stop28h 25mLEVEL
Sat 15/1109:55LHR - JFK
1 stop17h 05mLEVEL
Deal found 20/8£312
Tue 11/1100:30JFK - LTN
1 stop15h 25mMultiple Airlines
Wed 10/1209:15LTN - JFK
1 stop18h 15mMultiple Airlines
Deal found 20/8£312
Wed 8/1020:05JFK - LGW
Nonstop7h 05mBritish Airways
Thu 9/1020:40LGW - JFK
2 stops28h 20mBritish Airways
Deal found 20/8£312
Sun 5/1000:30JFK - LGW
1 stop31h 10mMultiple Airlines
Wed 5/1106:45LGW - JFK
1 stop20h 45mMultiple Airlines
Deal found 20/8£312
Thu 4/1223:45JFK - LTN
1 stop34h 00mMultiple Airlines
Sat 13/1209:20LTN - JFK
1 stop17h 40mMultiple Airlines
Deal found 22/8£313
Sun 16/1123:45JFK - STN
1 stop16h 10mMultiple Airlines
Sun 23/1109:35STN - JFK
1 stop17h 25mMultiple Airlines
Deal found 20/8£313
Sat 18/1018:20JFK - LGW
Nonstop7h 00mNorse Atlantic UK
Mon 3/1113:00LGW - JFK
Nonstop7h 55mNorse Atlantic UK
Deal found 20/8£313
Fri 3/1022:55JFK - LHR
1 stop13h 10mFinnair
Sun 5/1009:45LHR - JFK
Nonstop7h 55mFinnair
Deal found 20/8£314
Fri 14/1100:30JFK - LTN
1 stop15h 25mMultiple Airlines
Sun 23/1114:35LTN - JFK
2 stops36h 55mMultiple Airlines
Deal found 21/8£314
Sun 19/1018:20JFK - LGW
Nonstop7h 00mMultiple Airlines
Tue 11/1116:35LGW - JFK
1 stop34h 55mMultiple Airlines
Deal found 21/8£314
Mon 10/1118:15JFK - LHR
Nonstop7h 00mAmerican Airlines
Wed 12/1106:15LHR - JFK
1 stop12h 00mAmerican Airlines
Deal found 21/8£315
Wed 5/1100:30JFK - LTN
1 stop15h 25mMultiple Airlines
Tue 18/1109:15LTN - JFK
1 stop18h 15mMultiple Airlines
Deal found 21/8£315

Cheapflights Fare Finder

 
Customise your flight search to find flights from Pennsylvania to London 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 22 August 2025.
Use the filters below to find and compare flights from Pennsylvania to London that are best for you.

Fly from

Pennsylvania

Fly to

London

Route

Depart

Return

Price

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Sun 16/11

23:45-20:55

1 stop16h 10m

London Stansted

Sun 23/11

09:35-22:00

1 stop17h 25m

£313

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Fri 14/11

00:30-20:55

1 stop15h 25m

London Luton

Sun 23/11

14:35-22:30

2 stops36h 55m

£314

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 14/11

18:05-06:00

Nonstop6h 55m

London Gatwick

Tue 25/11

07:10-22:30

1 stop20h 20m

£314

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 5/11

00:30-22:35

1 stop17h 05m

London Gatwick

Sat 22/11

06:55-22:30

1 stop20h 35m

£314

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 14/11

00:30-21:25

1 stop15h 55m

London Gatwick

Tue 9/12

07:10-22:30

1 stop20h 20m

£314

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Sun 9/11

23:45-17:35

1 stop12h 50m

London Stansted

Sat 22/11

21:00-22:00

1 stop30h 00m

£315

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 10/11

23:45-07:50

1 stop27h 05m

London Gatwick

Thu 13/11

17:10-22:00

1 stop33h 50m

£316

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 20/10

23:25-08:30

1 stop28h 05m

London Gatwick

Fri 31/10

13:00-23:00

1 stop14h 00m

£316

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/1

23:45-20:05

1 stop15h 20m

London Heathrow

Sun 11/1

18:50-22:00

1 stop32h 10m

£318

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 9/11

23:45-18:00

1 stop13h 15m

London Heathrow

Thu 20/11

18:50-22:00

1 stop32h 10m

£320

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to London

Have a flexible travel schedule? Discover the best time to fly to London from Pennsylvania 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 Pennsylvania to London

What is the cheapest month to book a flight from Pennsylvania to London?

Currently, January is the cheapest month in which you can book a flight from Pennsylvania to London (average of £112). Flying from Pennsylvania to London in August is currently the most expensive (average of £164). 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 PA to LON?

Find hourly flight availability from Pennsylvania to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to London as you normally would.

Weekly flight availability from Pennsylvania to London

Explore weekly flight availability from Pennsylvania to London. 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 22 August 2025.

The most flights from USPA to LON are scheduled on a Monday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to London. 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 Pennsylvania to London?

    LEVEL, Scandinavian Airlines, and TAP AIR PORTUGAL can get you from Pennsylvania to London in just under 11h 10m. Your travel time can differ by up to 12h 15m. There are 3472 mi between Pennsylvania and London. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as £103 on Norse Atlantic UK. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £124 and Virgin Atlantic from £127 one-way.

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

    When deciding which route to take from Pennsylvania to London consider Newark - London Heathrow, New York John F Kennedy Intl - London Heathrow or New York John F Kennedy Intl - London Gatwick as they are the most popular.

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

    The top 3 most reliable airlines when flying from Pennsylvania to London are Aer Lingus (80%), American Airlines (67%) and Finnair (67%).

  • What are the cheapest flights from Pennsylvania to London?

    Looking for the cheapest flight from Pennsylvania to London? While on average our users pay £376, our data indicates the cheapest price to be £293. The most popular route (Newark - London Heathrow), is priced around £261.

  • Can I find deals for flights from Pennsylvania to London that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to London.

  • Can I find deals for business class flights from Pennsylvania to London?

    Yes. Cheapflights offers flight deals from Pennsylvania to London 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 Pennsylvania to London?

    Currently, January is the cheapest month in which you can book a flight from Pennsylvania to London (average of £112). Flying from Pennsylvania to London in August is currently the most expensive (average of £164). 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

Travelling to a place near London?

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Alternative routes for Pennsylvania to London

See prices for flight routes from nearby airports that may be better suited for you.
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John F Kennedy Intl to Gatwick flights
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Reagan-National to Gatwick flights
Newark to Edinburgh flights
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Charlotte to Heathrow flights
Orlando to Gatwick flights
Seattle to London City flights

Top 5 airlines flying from Pennsylvania to London

Discover the top 5 airlines that operate flights from Pennsylvania to London. 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 22 August 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£426Average£539FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£443Average£621FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£461Average£536FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Aer LingusCheapest£492Average£774FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest£508Average£648FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 Pennsylvania to London?

Cheapflights makes it easy to find Pennsylvania to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Pennsylvania to London?

Cheapflights helps you find that perfect flight to London from Pennsylvania 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 Pennsylvania to London with no change fees?

Yes! Cheapflights helps users easily find flights from Pennsylvania to London with no change fees.

Can Cheapflights notify me if prices for flights from Pennsylvania to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Pennsylvania today and book when prices fit your budget.

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