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

Finnair, Virgin Atlantic, and Delta can get you from London Heathrow Airport to Pennsylvania in just under 8h 15m. Your travel time can differ by up to 8h 36m. 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 £321 on SAUDIA. Other airlines that offer cheap prices include Air India from £389 and Emirates from £485 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 £1,540, our data indicates the cheapest price to be £416. The most popular route (London Heathrow - New York John F Kennedy Intl), is priced around £280.

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 (87%), American Airlines (80%), Finnair( 80%).

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.

£345+ 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 5 September 2026.

Fri 9/1014:05 -

1 stop12h 25m

Sun 18/1017:40 -

1 stop11h 20m

Deal found 3/9£398

Fri 16/1016:20 -

Nonstop8h 20m

Mon 26/1023:20 -

Nonstop7h 10m

Deal found 4/9£398

Wed 21/1007:30 -

1 stop16h 40m

Wed 28/1019:40 -

Nonstop7h 00m

Deal found 3/9£399

Thu 15/1014:05 -

1 stop10h 31m

Fri 23/1015:30 -

1 stop10h 00m

Deal found 2/9£399

Thu 24/906:30 -

1 stop11h 02m

Thu 1/1016:30 -

1 stop10h 25m

Deal found 5/9£399

Wed 30/909:30 -

1 stop10h 06m

Sun 4/1015:30 -

1 stop10h 00m

Deal found 3/9£400

Thu 24/914:10 -

Nonstop7h 50m

Mon 5/1018:10 -

Nonstop7h 15m

Deal found 2/9£400

Thu 1/1014:05 -

1 stop10h 31m

Sun 4/1017:40 -

1 stop11h 20m

Deal found 4/9£401

Fri 9/1018:35 -

Nonstop8h 15m

Fri 16/1018:00 -

Nonstop7h 20m

Deal found 3/9£401

Sun 27/907:45 -

Nonstop7h 45m

Mon 23/1109:25 -

Nonstop6h 55m

Deal found 5/9£401

Fri 11/909:30 -

1 stop12h 11m

Tue 13/1017:40 -

1 stop11h 20m

Deal found 4/9£402

Thu 24/918:35 -

Nonstop8h 15m

Wed 30/918:00 -

Nonstop7h 20m

Deal found 4/9£402

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 5 September 2026.

Fri 30/1007:30 -

1 stop16h 35m

Sat 7/1121:50 -

Nonstop6h 55m

Deal found 5/9£399

Fri 5/208:40 -

2 stops16h 51m

Tue 9/209:30 -

2 stops16h 20m

Deal found 5/9£400

Sat 19/911:45 -

Nonstop8h 15m

Thu 24/918:00 -

Nonstop7h 20m

Deal found 4/9£402

Sun 11/1014:05 -

1 stop12h 25m

Wed 21/1014:59 -

1 stop10h 56m

Deal found 4/9£404

Thu 15/1015:00 -

1 stop10h 45m

Mon 19/1022:40 -

1 stop10h 05m

Deal found 4/9£404

Wed 28/1010:45 -

1 stop13h 30m

Sun 1/1122:30 -

1 stop15h 30m

Deal found 1/9£404

Sat 19/915:50 -

Nonstop8h 25m

Sat 26/922:05 -

Nonstop7h 35m

Deal found 4/9£429

Mon 14/1220:05 -

1 stop22h 10m

Mon 21/1219:35 -

1 stop16h 05m

Deal found 5/9£436

Wed 18/1111:20 -

1 stop12h 18m

Mon 18/117:00 -

1 stop10h 05m

Deal found 31/8£442

Wed 21/1008:00 -

1 stop18h 00m

Wed 4/1123:25 -

2 stops18h 15m

Deal found 2/9£465

Tue 16/206:40 -

2 stops35h 45m

Sat 20/218:30 -

1 stop20h 25m

Deal found 4/9£487

Thu 24/906:30 -

1 stop14h 35m

Fri 9/1017:40 -

1 stop16h 00m

Deal found 2/9£612

Mon 2/1109:20 -

1 stop12h 57m

Fri 6/1112:47 -

1 stop13h 08m

Deal found 4/9£749

Fri 23/1011:30 -

1 stop12h 25m

Wed 28/1021:40 -

Nonstop6h 55m

Deal found 2/9£404

Fri 23/1014:05 -

1 stop10h 31m

Tue 27/1014:59 -

1 stop11h 41m

Deal found 2/9£405

Fri 8/108:55 -

2 stops15h 40m

Tue 12/112:55 -

1 stop13h 50m

Deal found 2/9£405

Thu 17/911:45 -

1 stop12h 30m

Mon 28/923:55 -

Nonstop7h 10m

Deal found 5/9£405

Fri 2/1010:05 -

1 stop13h 55m

Sun 11/1009:35 -

Nonstop7h 05m

Deal found 5/9£423

Sat 17/1016:40 -

1 stop11h 50m

Tue 27/1019:37 -

1 stop11h 13m

Deal found 4/9£405

Fri 25/916:05 -

1 stop12h 21m

Sat 10/1018:00 -

1 stop10h 15m

Deal found 4/9£405

Fri 6/1109:40 -

1 stop12h 50m

Tue 10/1114:44 -

1 stop11h 06m

Deal found 1/9£407

Mon 5/1008:40 -

1 stop13h 05m

Tue 20/1020:20 -

1 stop15h 05m

Deal found 5/9£465

Fri 18/914:00 -

Nonstop8h 25m

Mon 21/919:15 -

Nonstop7h 30m

Deal found 5/9£429

Fri 6/1113:00 -

1 stop13h 31m

Sun 29/1115:30 -

1 stop10h 40m

Deal found 5/9£407

Fri 2/1006:40 -

1 stop11h 35m

Sun 11/1017:45 -

2 stops14h 10m

Deal found 5/9£494

Fri 6/1111:45 -

2 stops16h 31m

Mon 9/1108:40 -

1 stop17h 10m

Deal found 5/9£409

Mon 21/906:30 -

2 stops18h 28m

Fri 2/1015:00 -

2 stops14h 45m

Deal found 5/9£424

Tue 20/1010:50 -

1 stop13h 00m

Sun 25/1019:05 -

Nonstop7h 10m

Deal found 4/9£431

Thu 12/1108:15 -

1 stop16h 50m

Mon 16/1113:26 -

2 stops18h 14m

Deal found 3/9£530

Tue 29/909:30 -

1 stop10h 06m

Thu 8/1020:30 -

1 stop29h 00m

Deal found 1/9£408

Find flight deals from Heathrow to Pennsylvania

Round-trip from	£394
One-way from	£345
Popular in	August
Cheapest in	January
Average price	£651
Good round-trip deal	£633 or less
Good one-way deal	£515 or less

British Airways
27/9-23/11
Nonstop
14h 55m total
London to Pennsylvania

Search Deals

United Airlines
12/1-31/12
2 total stops
19h 27m total
London to Pennsylvania

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£66 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

Mon 1/2

07:30-18:32

2 stops16h 02m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£350

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Sat 21/11

16:25-19:55

Nonstop8h 30m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£355

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Sat 7/11

08:05-11:14

Nonstop8h 09m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£358

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Wed 11/11

12:20-15:41

Nonstop8h 21m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£358

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Fri 30/10

09:15-17:20

1 stop36h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£360

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Sun 31/1

11:05-07:31

2 stops49h 26m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£360

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Thu 25/2

18:30-21:55

2 stops32h 25m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£362

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Mon 18/1

16:25-19:55

Nonstop8h 30m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£362

Fastest return journey

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Tue 3/11

08:00-10:50

Nonstop7h 50m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£362

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Tue 8/12

18:00-21:30

Nonstop8h 30m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£362

Flights are sorted by cheapest return flights first.

Deals found on 5/9

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-IAD

LHR-JFK

LHR-EWR

LHR-PHL

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-IAD

LHR-JFK

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 £575). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £871). 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 Thursday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 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 £547 and £679 in September.
The cheapest return price found within the last 5 days was £595 on United Airlines (18 Sept–23 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

1,429 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

1,429 reviews

Finnair

7.6

Good

1,429 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

1,745 reviews

Finnair

7.6

Good

1,429 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

12,045 reviews

Finnair

7.6

Good

1,429 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

3,045 reviews

Finnair

7.6

Good

1,429 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

8,207 reviews

Finnair

7.6

Good

1,429 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?
Finnair, Virgin Atlantic, and Delta can get you from London Heathrow Airport to Pennsylvania in just under 8h 15m. Your travel time can differ by up to 8h 36m. 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 £321 on SAUDIA. Other airlines that offer cheap prices include Air India from £389 and Emirates from £485 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 (87%), American Airlines (80%), Finnair( 80%).
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 £1,540, our data indicates the cheapest price to be £416. The most popular route (London Heathrow - New York John F Kennedy Intl), is priced around £280.
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 £575). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £871). 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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Stansted to Boston flights

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London City to San Francisco flights

Luton to Orlando flights

Heathrow to Denver flights

Top 10 airlines flying from Heathrow to Pennsylvania

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£209	Average£672	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£253	Average£462	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
JetBlue	Cheapest£416	Average£571	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Air Canada	Cheapest£433	Average£588	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Finnair	Cheapest£444	Average£666	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£450	Average£789	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Lufthansa	Cheapest£456	Average£687	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Aer Lingus	Cheapest£460	Average£752	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
American Airlines	Cheapest£461	Average£726	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	Cheapest£463	Average£698	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 £345

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. 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 5 September 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 5 September 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 5 September 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 5 September 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 5 September 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 5 September 2026.

Last-minute flights from Heathrow to PennsylvaniaDiscover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 5 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 5 September 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 5 September 2026.

Search for one-way flight options from Heathrow to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 5 September 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 5 September 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 Thursday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 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 £547 and £679 in September.The cheapest return price found within the last 5 days was £595 on United Airlines (18 Sept–23 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?

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 and Pennsylvania flights

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Heathrow to Pennsylvania flights

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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 5 September 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 5 September 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 5 September 2026.

Last-minute flights from Heathrow to Pennsylvania
Discover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 5 September 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 5 September 2026.

London Heathrow Airport to Pennsylvania flights typically cost between £547 and £679 in September.
The cheapest return price found within the last 5 days was £595 on United Airlines (18 Sept–23 Sept).