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Cheap flights from London Heathrow Airport to Pennsylvania from £261

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
14 Mar — 21 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Pennsylvania

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Pennsylvania
Explore the most affordable flight options available from Heathrow to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 February 2026.

Mon 9/317:00
LHR
-
JFK
1 stop27h 45m
Scandinavian Airlines
Thu 7/517:10
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 10/2£320
Thu 7/513:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Mon 11/520:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Deal found 10/2£321
Thu 30/413:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Mon 4/520:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Deal found 11/2£321
Fri 1/521:25
LHR
-
JFK
1 stop26h 55m
Icelandair
Sun 10/520:30
JFK
-
LHR
1 stop18h 50m
Icelandair
Deal found 8/2£322
Wed 4/320:35
LHR
-
JFK
1 stop26h 25m
Icelandair
Mon 4/520:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Deal found 10/2£323
Mon 9/320:35
LHR
-
JFK
1 stop26h 25m
Icelandair
Tue 24/320:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Deal found 12/2£324
Tue 3/320:35
LHR
-
JFK
1 stop26h 25m
Icelandair
Mon 23/320:25
JFK
-
LHR
1 stop19h 05m
Icelandair
Deal found 11/2£324
Thu 14/521:25
LHR
-
JFK
1 stop26h 55m
Icelandair
Sun 17/520:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Deal found 8/2£325
Wed 18/312:05
LHR
-
LGA
1 stop15h 39m
United Airlines
Mon 23/319:29
LGA
-
LHR
1 stop11h 21m
United Airlines
Deal found 11/2£326
Tue 3/320:35
LHR
-
JFK
1 stop26h 25m
Icelandair
Tue 10/320:25
JFK
-
LHR
1 stop19h 05m
Icelandair
Deal found 11/2£326
Thu 16/413:05
LHR
-
JFK
1 stop14h 00m
Icelandair
Thu 23/420:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Deal found 9/2£327
Thu 23/413:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Mon 27/420:30
JFK
-
LHR
1 stop18h 50m
Icelandair
Deal found 10/2£327

Find flight deals from Heathrow to Pennsylvania

Keep the following information in mind while searching for Heathrow to Pennsylvania flight deals. Data was last updated 12 February 2026.

Round-trip from

£320

One-way from

£261

Popular in

December

Cheapest in

September

Average price

£532

Good round-trip deal

£497 or less

Good one-way deal

£428 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 9/3-7/5
  • 2 total stops
  • 39h 10m total
  • London to Pennsylvania
Search Deals
4/3
  • 4/3
  • 1 total stop
  • 17h 05m total
  • London to Pennsylvania
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Pennsylvania.
Search Deals
Price to beat on a one-way flight from London Heathrow to Pennsylvania.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 12 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Pennsylvania that are best for you.

Fly from

Heathrow

Fly to

Pennsylvania

Route

Depart

Return

Price

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Fri 15/5

07:05-13:15

1 stop11h 10m

Newark

Sat 23/5

17:20-14:35

2 stops16h 15m

£343

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Fri 6/3

06:40-13:35

1 stop11h 55m

Newark

Sun 15/3

18:40-14:35

2 stops15h 55m

£349

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Sun 8/3

18:40-16:40

1 stop26h 00m

Newark

Mon 16/3

18:40-12:55

1 stop14h 15m

£349

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Wed 11/3

21:05-14:25

2 stops21h 20m

Newark

Mon 23/3

18:40-14:35

2 stops15h 55m

£350

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Fri 22/5

07:05-15:40

1 stop13h 35m

New York John F Kennedy Intl

Sat 30/5

18:55-16:25

2 stops16h 30m

£353

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Sun 15/3

17:00-14:35

2 stops25h 35m

Newark

Thu 19/3

18:40-17:00

1 stop18h 20m

£355

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 30/4

13:05-22:05

1 stop14h 00m

New York John F Kennedy Intl

Sat 9/5

20:30-11:55

1 stop10h 25m

£365

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 5/3

09:00-16:40

1 stop12h 40m

Washington, D.C. Dulles Intl

Tue 28/4

18:25-06:55

Nonstop7h 30m

£396

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 4/3

06:30-14:35

1 stop13h 05m

Washington, D.C. Dulles Intl

Wed 29/4

22:10-10:40

Nonstop7h 30m

£400

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 27/5

12:10-16:45

1 stop33h 35m

Washington, D.C. Dulles Intl

Sat 6/6

08:18-08:35

1 stop19h 17m

£422

Flights are sorted by cheapest return flights first.

Deals found on 12/2

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

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

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

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of £320). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £484). 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 LHR to PA?

Find hourly flight availability from Heathrow 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 12 February 2026.

When flying from London Heathrow Airport 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 Heathrow Airport to Pennsylvania

Explore weekly flight availability from Heathrow 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 12 February 2026.

The most flights from LHR 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 Heathrow Airport 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 12 February 2026.
Read reviews from past customers who have flown with Finnair, United Airlines, andAer Lingus from London Heathrow Airport to Pennsylvania. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,360 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Food

6.7

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,360 reviews
Finnair
7.6
Good
1,360 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Food

6.7

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,281 reviews
Finnair
7.6
Good
1,360 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Food

6.7

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Aer Lingus
7.2
Good
1,449 reviews
Finnair
7.6
Good
1,360 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Food

6.7

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Iberia
7.0
Good
3,113 reviews
Finnair
7.6
Good
1,360 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Food

6.7

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,733 reviews
Finnair
7.6
Good
1,360 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Food

6.7

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow Airport to Pennsylvania?

    Scandinavian Airlines, Icelandair, and United Airlines can get you from London Heathrow Airport to Pennsylvania in just under 11h 10m. Your travel time can differ by up to 2h 50m. The distance from London Heathrow Airport to Pennsylvania is about 3454 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as £318 on JetBlue. Other airlines that offer cheap prices include Aer Lingus from £382 and British Airways from £386 one-way.

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

    The most popular flight routes from London Heathrow Airport to Pennsylvania are London Heathrow - New York John F Kennedy Intl, London Heathrow - Newark and London Heathrow - New York LaGuardia.

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

    Before booking your flight to Pennsylvania from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Malaysia Airlines (74%), American Airlines (73%), Finnair( 73%).

  • What are the cheapest flights from London Heathrow Airport to Pennsylvania?

    Looking for the cheapest flight from London Heathrow Airport to Pennsylvania? While on average our users pay £976, our data indicates the cheapest price to be £378. The most popular route (London Heathrow - New York John F Kennedy Intl), is priced around £265.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Pennsylvania?

    Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of £320). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £484). 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 Heathrow to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
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Gatwick to Orlando flights
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Stansted to Newark flights
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Gatwick to San Francisco flights
Gatwick to Dallas/Fort Worth flights
Gatwick to Seattle flights
Gatwick to Tampa flights
Luton to Los Angeles flights
London City to San Francisco flights

Top 10 airlines flying from Heathrow to Pennsylvania

Discover the top 10 airlines that operate flights from Heathrow 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 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£297Average£499FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£332Average£521FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£378Average£496FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£405Average£520FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£412Average£572FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£442Average£611FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£443Average£610FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£446Average£596FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapest£451Average£641FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£456Average£744FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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 Heathrow to Pennsylvania?

Cheapflights helps you search for flights from Heathrow 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 Heathrow to Pennsylvania?

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

Need flexible booking options for your flight to Pennsylvania from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Heathrow 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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