Cheap flights from London Heathrow Airport to Pennsylvania from £302

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
29 May — 5 Jun1
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 29 April 2026.

Thu 7/506:00
LHR
-
JFK
1 stop11h 50m
SWISS
Mon 11/516:15
JFK
-
LHR
1 stop10h 40m
SWISS
Deal found 24/4£417
Mon 4/514:10
LHR
-
JFK
Nonstop7h 50m
Finnair
Thu 14/509:35
JFK
-
LHR
Nonstop7h 05m
Finnair
Deal found 24/4£418
Sat 19/917:25
LHR
-
JFK
Nonstop7h 55m
British Airways
Mon 5/1007:50
JFK
-
LHR
Nonstop6h 55m
British Airways
Deal found 24/4£419
Fri 22/514:00
LHR
-
IAD
Nonstop8h 25m
British Airways
Tue 9/617:40
IAD
-
LHR
Nonstop7h 40m
British Airways
Deal found 24/4£420
Sun 10/508:30
LHR
-
LGA
1 stop12h 20m
Air Canada
Mon 18/516:00
LGA
-
LHR
1 stop11h 35m
Air Canada
Deal found 27/4£420
Thu 30/406:00
LHR
-
JFK
1 stop19h 05m
Austrian Airlines
Sun 3/521:45
JFK
-
LHR
1 stop12h 05m
Austrian Airlines
Deal found 25/4£420
Fri 22/514:00
LHR
-
IAD
Nonstop8h 25m
British Airways
Thu 4/622:25
IAD
-
LHR
Nonstop7h 25m
British Airways
Deal found 24/4£420
Wed 6/509:05
LHR
-
JFK
1 stop16h 00m
Austrian Airlines
Wed 13/521:45
JFK
-
LHR
1 stop15h 55m
Austrian Airlines
Deal found 25/4£420
Sat 9/508:30
LHR
-
LGA
1 stop12h 20m
Air Canada
Wed 20/515:30
LGA
-
LHR
1 stop13h 05m
Air Canada
Deal found 27/4£421
Sun 3/506:00
LHR
-
JFK
1 stop19h 05m
Austrian Airlines
Sun 10/521:45
JFK
-
LHR
1 stop29h 35m
Austrian Airlines
Deal found 26/4£421
Sun 24/515:15
LHR
-
IAD
1 stop14h 36m
Delta
Fri 5/619:38
IAD
-
LHR
1 stop12h 37m
Delta
Deal found 24/4£422
Mon 4/515:50
LHR
-
JFK
Nonstop7h 45m
Virgin Atlantic
Mon 11/518:30
JFK
-
LHR
Nonstop7h 15m
Virgin Atlantic
Deal found 25/4£422

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 29 April 2026.

Round-trip from

£419

One-way from

£302

Popular in

December

Cheapest in

September

Average price

£625

Good round-trip deal

£644 or less

Good one-way deal

£480 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 12/5-2/6
  • 2 total stops
  • 34h 15m total
  • London to Pennsylvania
Icelandair
  • Icelandair
  • 28/9
  • 1 total stop
  • 11h 15m total
  • London to Pennsylvania
Highest demand for flights based on searches. 0% potential increase in price (£2 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from London Heathrow to Pennsylvania.
Price to beat on a one-way flight from London Heathrow to Pennsylvania.

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 29 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 9/5

12:10-16:35

1 stop33h 25m

New York John F Kennedy Intl

Sat 16/5

06:59-21:00

2 stops33h 01m

£432

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Mon 11/5

18:00-21:20

Nonstop8h 20m

Newark

Sun 17/5

19:00-07:15

Nonstop7h 15m

£454

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Thu 24/9

19:50-13:15

2 stops22h 25m

Newark

Sun 27/9

17:15-16:00

1 stop17h 45m

£471

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Mon 14/9

07:05-13:15

1 stop11h 10m

Newark

Sat 19/9

17:20-14:35

2 stops16h 15m

£473

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Wed 30/9

19:50-13:15

2 stops22h 25m

Newark

Wed 7/10

17:15-14:35

2 stops16h 20m

£488

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Fri 9/10

19:50-13:15

2 stops22h 25m

Newark

Tue 13/10

17:15-12:55

2 stops14h 40m

£491

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 11/5

06:55-15:00

1 stop13h 05m

Washington, D.C. Dulles Intl

Fri 22/5

06:33-21:25

1 stop9h 52m

£511

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Tue 15/9

13:25-19:35

1 stop11h 10m

Washington, D.C. Dulles Intl

Tue 22/9

21:30-09:50

Nonstop7h 20m

£525

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 26/8

16:25-19:40

Nonstop8h 15m

Washington, D.C. Dulles Intl

Sat 12/9

17:45-06:20

Nonstop7h 35m

£534

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 15/9

09:30-15:40

1 stop11h 10m

Washington, D.C. Reagan-National

Tue 22/9

06:00-20:40

1 stop9h 40m

£538

Flights are sorted by cheapest return flights first.

Deals found on 25/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from London Heathrow Airport to Pennsylvania?

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Pennsylvania, you should look to book at least 10 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of £209). Flying from London Heathrow Airport to Pennsylvania in March is currently the most expensive (average of £426). 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 29 April 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 29 April 2026.

The most flights from LHR to USPA 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).

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 29 April 2026.
Read reviews from past customers who have flown with Finnair,Aer Lingus, andJetBlue from London Heathrow Airport to Pennsylvania. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.4

Overall

7.6

Food

6.7

Crew

8.2

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Comfort

7.4

Overall

7.6

Food

6.7

Crew

8.2

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Comfort

7.4

Overall

7.6

Food

6.7

Crew

8.2

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Comfort

7.4

Overall

7.6

Food

6.7

Crew

8.2

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Comfort

7.4

Overall

7.6

Food

6.7

Crew

8.2

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Comfort

7.4

Overall

7.6

Food

6.7

Crew

8.2

Boarding

7.7

Entertainment

6.9

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?

    United Airlines, Scandinavian Airlines, and British Airways can get you from London Heathrow Airport to Pennsylvania in just under 11h 10m. Your travel time can differ by up to 22h 15m. The distance from London Heathrow Airport to Pennsylvania is about 3664 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 £292 on SAUDIA. Other airlines that offer cheap prices include Lufthansa from £369 and Air India from £403 one-way.

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

  • 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 (79%), 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 £1,042, our data indicates the cheapest price to be £445. The most popular route (London Heathrow - New York John F Kennedy Intl), is priced around £351.

  • 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, August is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of £209). Flying from London Heathrow Airport to Pennsylvania in March is currently the most expensive (average of £426). 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.

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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£328Average£534FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IcelandairCheapest£382Average£564FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£409Average£533FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£416Average£565FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£431Average£539FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£448Average£623FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£450Average£596FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapest£453Average£660FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapest£456Average£671FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£457Average£605FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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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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