When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 34 days in advance, which can save you up to 21% on flights from London Heathrow Airport to Pennsylvania compared to booking the week you need them. Waiting 34 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £533. For sooner than that we have options available in the next 3 days from £643.
Due to multiple factors, expect to potentially pay more when booking in August. For low rates, February can be a great choice for travel to Pennsylvania. Flights to Pennsylvania from London Heathrow Airport in February are about £529 on average during February, but can be found for as low as £353.
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.
Fly from
Fly to
Budget
£419 - £503
Route
Depart
Return
Price
London HeathrowPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Wed 8/5
1 stop13h 25m
Philadelphia
Wed 15/5
1 stop11h 39m
London HeathrowPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Mon 6/5
Nonstop7h 45m
Philadelphia
Mon 13/5
1 stop11h 39m
London HeathrowPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Mon 6/5
Nonstop7h 45m
Philadelphia
Wed 15/5
2 stops19h 48m
London HeathrowPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Mon 6/5
2 stops15h 39m
Philadelphia
Mon 13/5
1 stop11h 39m
London HeathrowPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Mon 6/5
2 stops15h 39m
Philadelphia
Wed 15/5
1 stop11h 39m
London HeathrowPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Mon 6/5
2 stops17h 59m
Philadelphia
Mon 13/5
2 stops13h 03m
London HeathrowPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Wed 18/9
Nonstop8h 00m
Philadelphia
Fri 27/9
Nonstop7h 00m
London HeathrowPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Tue 21/5
1 stop12h 10m
Philadelphia
Tue 28/5
1 stop15h 00m
London HeathrowPhiladelphia
LHR - PHL
LHRPHL
London Heathrow
Tue 18/6
Nonstop7h 55m
Philadelphia
Thu 4/7
Nonstop7h 10m
No data available for this route at this time. Please check back soon.
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Terrible flight crew that skipped our row for service multiple times.
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Terrible flight crew that skipped our row for service multiple times.
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Terrible flight crew that skipped our row for service multiple times.
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Terrible flight crew that skipped our row for service multiple times.
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Terrible flight crew that skipped our row for service multiple times.
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Terrible flight crew that skipped our row for service multiple times.
1%of flight departures | Early morningMidnight to 6 am |
---|---|
25%of flight departures | Morning6 am to noon |
74%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
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.
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!
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.
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.