How long is the flight from London Heathrow Airport to Pennsylvania?

United Airlines, Delta, and Finnair can get you from London Heathrow Airport to Pennsylvania in just under 8h 17m. Your travel time can differ by up to 7h 18m. The distance from London Heathrow Airport to Pennsylvania is about 3440 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 £320 on SAUDIA. Other airlines that offer cheap prices include Air India from £388 and Emirates from £484 one-way.

In terms of precipitation, rainfall in Pennsylvania ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Pennsylvania when rainfall is around 69.0 mm.

If weather is an important factor for your trip to Pennsylvania, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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 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 £1,538, our data indicates the cheapest price to be £415. The most popular route (London Heathrow - New York John F Kennedy Intl), is priced around £203.

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 (89%), American Airlines (83%), Finnair( 83%).

What are the most popular airlines that fly from London Heathrow Airport to Pennsylvania?

When booking a flight from London Heathrow Airport to Pennsylvania, you may want to consider flying on Emirates, Turkish Airlines or Air Mauritius as they are the most popular for this route.

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.

£347+ Cheap Flights from London Heathrow Airport to Pennsylvania

Cheap flight deals from Heathrow to Pennsylvania

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 31 August 2026.

Thu 22/1016:05 -

1 stop12h 22m

Tue 27/1017:00 -

2 stops13h 45m

Deal found 31/8£420

Fri 25/917:25 -

Nonstop7h 55m

Thu 8/1007:50 -

Nonstop6h 55m

Deal found 28/8£420

Thu 8/1006:50 -

2 stops13h 56m

Thu 15/1008:45 -

2 stops16h 45m

Deal found 30/8£420

Fri 9/1018:05 -

Nonstop8h 00m

Sun 18/1011:59 -

1 stop13h 56m

Deal found 31/8£420

Sat 26/909:30 -

1 stop10h 06m

Sun 4/1017:40 -

1 stop11h 20m

Deal found 29/8£421

Tue 8/912:50 -

Nonstop7h 45m

Tue 15/918:30 -

Nonstop7h 15m

Deal found 28/8£421

Tue 22/909:30 -

1 stop10h 06m

Tue 29/915:30 -

1 stop10h 00m

Deal found 31/8£422

Thu 10/918:35 -

Nonstop8h 15m

Sun 27/918:30 -

Nonstop7h 15m

Deal found 27/8£422

Sun 20/914:10 -

1 stop11h 49m

Sun 27/917:30 -

1 stop11h 30m

Deal found 30/8£423

Fri 16/1007:25 -

2 stops16h 16m

Mon 19/1010:20 -

1 stop15h 25m

Deal found 27/8£423

Sun 6/909:45 -

1 stop15h 16m

Sun 18/1015:30 -

1 stop10h 35m

Deal found 29/8£423

Fri 4/909:30 -

1 stop10h 07m

Thu 10/906:50 -

1 stop18h 45m

Deal found 28/8£424

Best flights from Heathrow to Pennsylvania
Discover carefully curated flight deals from Heathrow to Pennsylvania that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Fri 25/906:50 -

2 stops15h 35m

Tue 29/911:20 -

1 stop14h 25m

Deal found 27/8£425

Fri 4/1210:10 -

Nonstop8h 17m

Tue 8/1213:15 -

1 stop12h 35m

Deal found 27/8£425

Thu 8/1012:00 -

1 stop13h 05m

Thu 15/1017:06 -

1 stop12h 14m

Deal found 29/8£425

Tue 1/1209:40 -

1 stop12h 50m

Mon 7/1212:59 -

1 stop15h 01m

Deal found 27/8£429

Sat 13/211:40 -

1 stop11h 08m

Wed 17/216:05 -

1 stop9h 10m

Deal found 26/8£442

Tue 1/1221:05 -

2 stops21h 20m

Thu 28/118:30 -

1 stop16h 55m

Deal found 26/8£462

Sun 11/1019:50 -

1 stop24h 20m

Sun 18/1022:35 -

1 stop18h 25m

Deal found 27/8£474

Tue 13/1009:05 -

1 stop33h 55m

Tue 20/1015:47 -

1 stop12h 13m

Deal found 27/8£500

Mon 16/1111:00 -

1 stop16h 59m

Mon 7/1218:15 -

1 stop12h 20m

Deal found 26/8£663

Sun 13/1211:40 -

1 stop12h 24m

Thu 17/1211:55 -

1 stop14h 25m

Deal found 30/8£433

Sun 13/908:55 -

1 stop10h 50m

Thu 15/1015:00 -

1 stop10h 45m

Deal found 27/8£442

Sun 22/1112:55 -

1 stop11h 20m

Sun 29/1114:58 -

1 stop10h 17m

Deal found 30/8£445

Thu 29/1009:30 -

1 stop11h 25m

Thu 5/1113:19 -

1 stop15h 01m

Deal found 26/8£453

Tue 3/1108:55 -

2 stops15h 40m

Sat 7/1110:00 -

1 stop15h 50m

Deal found 30/8£455

Fri 9/1018:05 -

1 stop24h 10m

Sat 17/1017:20 -

2 stops16h 15m

Deal found 30/8£465

Wed 18/1116:30 -

1 stop12h 25m

Wed 16/1214:55 -

1 stop10h 20m

Deal found 30/8£445

Sat 12/909:40 -

2 stops20h 01m

Tue 30/318:30 -

2 stops14h 15m

Deal found 28/8£446

Thu 22/1011:20 -

2 stops14h 50m

Sun 1/1123:55 -

2 stops16h 40m

Deal found 27/8£500

Mon 9/1109:40 -

1 stop11h 50m

Sat 14/1114:44 -

1 stop12h 01m

Deal found 30/8£459

Fri 16/1018:05 -

1 stop24h 10m

Sun 25/1018:40 -

2 stops15h 55m

Deal found 28/8£465

Sat 24/1009:30 -

1 stop11h 10m

Sat 31/1012:55 -

1 stop13h 35m

Deal found 26/8£479

Wed 2/1216:25 -

Nonstop8h 30m

Sun 6/1218:05 -

Nonstop7h 10m

Deal found 30/8£457

Wed 16/1208:40 -

1 stop12h 15m

Wed 30/1218:40 -

1 stop10h 50m

Deal found 26/8£466

Sun 22/1121:05 -

2 stops21h 20m

Sun 29/1118:30 -

2 stops13h 25m

Deal found 30/8£467

Fri 11/908:55 -

2 stops16h 03m

Tue 22/915:00 -

1 stop13h 15m

Deal found 26/8£479

Thu 29/1008:00 -

1 stop11h 28m

Thu 5/1115:10 -

1 stop12h 15m

Deal found 26/8£481

Sun 22/1112:25 -

2 stops23h 35m

Sun 29/1122:00 -

1 stop14h 30m

Deal found 30/8£536

Thu 29/1008:50 -

1 stop11h 55m

Thu 5/1118:05 -

Nonstop7h 10m

Deal found 27/8£460

Thu 5/1121:05 -

2 stops21h 20m

Sun 15/1118:30 -

2 stops13h 25m

Deal found 26/8£470

Sat 26/1209:50 -

1 stop17h 05m

Fri 1/107:20 -

1 stop18h 30m

Deal found 26/8£477

Find flight deals from Heathrow to Pennsylvania

Round-trip from	£410
One-way from	£347
Popular in	August
Cheapest in	January
Average price	£838
Good round-trip deal	£632 or less
Good one-way deal	£514 or less

British Airways
13/2-17/2
Nonstop
15h 05m total
London to Pennsylvania

Search Deals

Air Canada
6/10
2 total stops
19h 09m total
London to Pennsylvania

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£64 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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

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 London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Fri 25/9

06:50-17:25

2 stops15h 35m

New York LaGuardia

Tue 29/9

11:20-06:45

1 stop14h 25m

£425

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Fri 4/12

10:10-13:27

Nonstop8h 17m

New York John F Kennedy Intl

Tue 8/12

13:15-06:50

1 stop12h 35m

£425

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Thu 8/10

12:00-20:05

1 stop13h 05m

New York John F Kennedy Intl

Thu 15/10

17:06-10:20

1 stop12h 14m

£425

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Tue 1/12

09:40-17:30

1 stop12h 50m

New York LaGuardia

Mon 7/12

12:59-09:00

1 stop15h 01m

£429

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Sun 13/12

11:40-19:04

1 stop12h 24m

New York John F Kennedy Intl

Thu 17/12

11:55-07:20

1 stop14h 25m

£433

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Sat 13/2

11:40-17:48

1 stop11h 08m

New York LaGuardia

Wed 17/2

16:05-06:15

1 stop9h 10m

£442

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Sun 13/9

08:55-14:45

1 stop10h 50m

Newark

Thu 15/10

15:00-06:45

1 stop10h 45m

£442

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Sun 22/11

12:55-19:15

1 stop11h 20m

Washington, D.C. Reagan-National

Sun 29/11

14:58-06:15

1 stop10h 17m

£445

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Wed 18/11

16:30-23:55

1 stop12h 25m

Washington, D.C. Reagan-National

Wed 16/12

14:55-06:15

1 stop10h 20m

£445

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Sat 12/9

09:40-00:41

2 stops20h 01m

Washington, D.C. Dulles Intl

Tue 30/3

18:30-13:45

2 stops14h 15m

£446

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

LHR-LGA

LHR-JFK

LHR-IAD

LHR-EWR

LHR-ABE

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

LHR-USPA

LHR-LGA

LHR-JFK

LHR-IAD

LHR-EWR

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of £574). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £866). 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?

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

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?

Airfare is typical for this route at the moment.

London Heathrow Airport to Pennsylvania flights typically cost between £531 and £678 in September.
The cheapest return price found within the last 5 days was £601 on British Airways (14 Sept–21 Sept).

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 90 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.

Reviews of airlines servicing Pennsylvania

Read reviews from past customers who have flown with Finnair,Aer Lingus, andAmerican Airlines 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

1,428 reviews

Check prices

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

1,428 reviews

Finnair

7.6

Good

1,428 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Aer Lingus

7.3

Good

1,736 reviews

Finnair

7.6

Good

1,428 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

American Airlines

7.1

Good

12,021 reviews

Finnair

7.6

Good

1,428 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

JetBlue

7.1

Good

3,034 reviews

Finnair

7.6

Good

1,428 reviews

Check prices

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

8,198 reviews

Finnair

7.6

Good

1,428 reviews

Check prices

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

How long is the flight from London Heathrow Airport to Pennsylvania?
United Airlines, Delta, and Finnair can get you from London Heathrow Airport to Pennsylvania in just under 8h 17m. Your travel time can differ by up to 7h 18m. The distance from London Heathrow Airport to Pennsylvania is about 3440 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 £320 on SAUDIA. Other airlines that offer cheap prices include Air India from £388 and Emirates from £484 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 (89%), American Airlines (83%), Finnair( 83%).
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 £1,538, our data indicates the cheapest price to be £415. The most popular route (London Heathrow - New York John F Kennedy Intl), is priced around £203.
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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of £574). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £866). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Pennsylvania

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Heathrow to Orlando flights

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Heathrow to Nashville flights

Stansted to Boston flights

Luton to Orlando flights

Gatwick to San Francisco flights

Luton to Los Angeles flights

Gatwick to Las Vegas flights

London City to Las Vegas flights

Heathrow to Sky Harbor Intl flights

London City to San Francisco flights

Heathrow to Austin flights

Heathrow to Denver flights

Top 10 airlines flying from Heathrow to Pennsylvania

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£209	Average£671	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£252	Average£461	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
JetBlue	Cheapest£415	Average£570	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Air Canada	Cheapest£433	Average£587	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Finnair	Cheapest£444	Average£665	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£449	Average£788	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Lufthansa	Cheapest£456	Average£686	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Aer Lingus	Cheapest£460	Average£751	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
American Airlines	Cheapest£460	Average£725	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	Cheapest£463	Average£697	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London Heathrow Airport to Pennsylvania from £347

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Pennsylvania

Cheapest flights from Heathrow to PennsylvaniaExplore 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 31 August 2026.

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 31 August 2026.

Best flights from Heathrow to PennsylvaniaDiscover carefully curated flight deals from Heathrow to Pennsylvania that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Discover carefully curated flight deals from Heathrow to Pennsylvania that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Direct flights from Heathrow to PennsylvaniaExplore direct flight options from Heathrow to Pennsylvania based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 August 2026.

Explore direct flight options from Heathrow to Pennsylvania based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 August 2026.

Last-minute flights from Heathrow to PennsylvaniaDiscover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 31 August 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 31 August 2026 and is based on user searches.

One-way flights from Heathrow to PennsylvaniaSearch for one-way flight options from Heathrow to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Search for one-way flight options from Heathrow to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Find flight deals from Heathrow to Pennsylvania

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

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 31 August 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

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?

Airfare is typical for this route at the moment.

London Heathrow Airport to Pennsylvania flights typically cost between £531 and £678 in September.The cheapest return price found within the last 5 days was £601 on British Airways (14 Sept–21 Sept).

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 90 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.

Reviews of airlines servicing Pennsylvania

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

Related info for your journey

How long is the flight from London Heathrow Airport to Pennsylvania?

What are the cheapest airlines to fly from London Heathrow Airport to Pennsylvania 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?

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

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

How can I find direct flights from Heathrow to Pennsylvania?

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

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

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Alternative routes for Heathrow to Pennsylvania

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Heathrow and Pennsylvania flights

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Heathrow to Pennsylvania flights

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Top 10 airlines flying from Heathrow to Pennsylvania

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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 31 August 2026.

Best flights from Heathrow to Pennsylvania
Discover carefully curated flight deals from Heathrow to Pennsylvania that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Direct flights from Heathrow to Pennsylvania
Explore direct flight options from Heathrow to Pennsylvania based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 August 2026.

Last-minute flights from Heathrow to Pennsylvania
Discover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 31 August 2026 and is based on user searches.

One-way flights from Heathrow to Pennsylvania
Search for one-way flight options from Heathrow to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

London Heathrow Airport to Pennsylvania flights typically cost between £531 and £678 in September.
The cheapest return price found within the last 5 days was £601 on British Airways (14 Sept–21 Sept).