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

United Airlines, Virgin Atlantic, and Austrian Airlines can get you from London Heathrow Airport to Pennsylvania in just under 12h 30m. Your travel time can differ by up to 11h. 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 £274 on JetBlue. Other airlines that offer cheap prices include British Airways from £398 and Iberia from £437 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 - Newark, London Heathrow - New York John F Kennedy Intl 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 £1,621, our data indicates the cheapest price to be £450. The most popular route (London Heathrow - Newark), is priced around £296.

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 (84%), American Airlines (77%), Finnair( 77%).

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.

£305+ 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 19 September 2026.

Mon 23/1106:00 -

2 stops15h 51m

Mon 30/1110:35 -

1 stop15h 35m

Deal found 18/9£381

Fri 25/908:40 -

1 stop10h 55m

Mon 28/918:30 -

Nonstop7h 15m

Deal found 17/9£381

Thu 19/1113:00 -

1 stop11h 06m

Thu 10/1213:10 -

1 stop13h 00m

Deal found 17/9£381

Fri 25/906:30 -

1 stop13h 05m

Thu 1/1008:15 -

Nonstop6h 55m

Deal found 17/9£381

Thu 24/914:05 -

1 stop10h 31m

Wed 21/1015:30 -

1 stop10h 00m

Deal found 16/9£382

Fri 25/914:10 -

Nonstop7h 50m

Thu 15/1019:15 -

Nonstop7h 05m

Deal found 17/9£382

Fri 30/1007:30 -

2 stops17h 48m

Sat 7/1109:05 -

1 stop15h 50m

Deal found 18/9£383

Thu 1/1006:00 -

1 stop19h 05m

Mon 12/1021:45 -

1 stop15h 55m

Deal found 17/9£383

Thu 22/1007:25 -

2 stops16h 36m

Wed 28/1013:05 -

1 stop12h 50m

Deal found 18/9£384

Thu 24/906:50 -

1 stop11h 10m

Mon 28/916:15 -

1 stop10h 40m

Deal found 14/9£384

Thu 15/1009:30 -

2 stops18h 06m

Mon 26/1015:29 -

1 stop12h 26m

Deal found 18/9£384

Sat 31/1018:40 -

1 stop23h 35m

Sat 7/1119:35 -

1 stop16h 05m

Deal found 16/9£384

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 19 September 2026.

Wed 17/209:00 -

2 stops17h 45m

Wed 24/215:00 -

1 stop11h 55m

Deal found 17/9£385

Fri 13/1106:30 -

1 stop12h 30m

Sat 21/1121:10 -

Nonstop7h 15m

Deal found 17/9£390

Mon 15/219:25 -

1 stop23h 30m

Mon 22/217:55 -

1 stop22h 45m

Deal found 17/9£390

Mon 14/1206:30 -

1 stop12h 30m

Thu 14/108:00 -

Nonstop7h 10m

Deal found 15/9£391

Tue 20/1009:50 -

1 stop12h 05m

Wed 4/1121:50 -

Nonstop6h 55m

Deal found 17/9£395

Sun 8/1108:15 -

Nonstop8h 09m

Sat 14/1109:26 -

Nonstop7h 14m

Deal found 15/9£405

Sat 5/1207:30 -

1 stop16h 35m

Tue 8/1214:54 -

1 stop11h 26m

Deal found 15/9£409

Fri 11/1208:40 -

1 stop12h 15m

Sun 10/119:50 -

1 stop10h 50m

Deal found 13/9£425

Wed 20/106:50 -

1 stop11h 35m

Wed 27/120:25 -

2 stops19h 55m

Deal found 18/9£425

Thu 1/1016:40 -

Nonstop8h 40m

Wed 28/1023:15 -

Nonstop7h 35m

Deal found 17/9£432

Mon 30/1119:30 -

1 stop25h 10m

Thu 3/1217:30 -

1 stop17h 30m

Deal found 18/9£450

Sun 8/1109:00 -

1 stop16h 30m

Sun 15/1122:00 -

1 stop14h 50m

Deal found 18/9£452

Mon 19/1012:00 -

1 stop11h 40m

Mon 26/1021:50 -

1 stop9h 35m

Deal found 18/9£669

Thu 12/1118:30 -

2 stops30h 23m

Tue 17/1109:23 -

3 stops27h 07m

Deal found 16/9£698

Fri 9/1009:30 -

2 stops16h 07m

Sun 25/1019:20 -

2 stops31h 50m

Deal found 13/9£717

Fri 16/1007:30 -

2 stops16h 11m

Fri 23/1010:20 -

1 stop15h 25m

Deal found 16/9£385

Wed 7/1011:45 -

1 stop12h 30m

Sun 11/1023:55 -

Nonstop7h 10m

Deal found 14/9£393

Fri 13/1106:30 -

2 stops16h 00m

Sat 21/1115:00 -

1 stop13h 55m

Deal found 17/9£395

Fri 6/1112:00 -

Nonstop8h 10m

Thu 12/1109:25 -

Nonstop6h 55m

Deal found 17/9£402

Fri 13/1115:35 -

Nonstop8h 05m

Mon 16/1118:25 -

Nonstop6h 55m

Deal found 14/9£406

Mon 5/1007:30 -

2 stops16h 11m

Thu 15/1006:00 -

1 stop19h 45m

Deal found 15/9£386

Mon 2/1112:05 -

Nonstop8h 35m

Wed 11/1118:20 -

Nonstop7h 20m

Deal found 18/9£430

Tue 20/1012:15 -

Nonstop8h 15m

Mon 26/1023:15 -

Nonstop7h 35m

Deal found 13/9£434

Thu 12/1108:40 -

2 stops13h 50m

Wed 18/1114:44 -

2 stops14h 11m

Deal found 16/9£396

Sun 1/1115:50 -

Nonstop8h 20m

Sun 8/1118:00 -

Nonstop7h 20m

Deal found 17/9£405

Tue 6/1016:00 -

Nonstop8h 20m

Thu 15/1008:20 -

Nonstop7h 20m

Deal found 15/9£405

Wed 21/1011:30 -

1 stop12h 25m

Sun 25/1011:05 -

Nonstop7h 05m

Deal found 16/9£407

Wed 30/906:50 -

2 stops16h 51m

Wed 14/1011:20 -

1 stop16h 10m

Deal found 16/9£387

Thu 10/1216:20 -

Nonstop8h 55m

Mon 11/122:15 -

Nonstop7h 35m

Deal found 13/9£434

Mon 8/211:45 -

2 stops17h 00m

Thu 11/209:30 -

1 stop17h 15m

Deal found 18/9£402

Find flight deals from Heathrow to Pennsylvania

Round-trip from	£381
One-way from	£305
Popular in	August
Cheapest in	January
Average price	£664
Good round-trip deal	£627 or less
Good one-way deal	£595 or less

Air Canada
23/11-1/12
3 total stops
31h 26m total
London to Pennsylvania

Search Deals

SWISS
3/11-31/12
1 total stop
23h 35m 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

Sun 20/12

10:25-19:15

1 stop13h 50m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£337

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Tue 29/12

15:00-17:53

1 stop31h 53m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£337

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Fri 18/12

16:20-08:15

2 stops20h 55m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£340

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Thu 29/10

12:20-16:46

Nonstop8h 26m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£341

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Fri 8/1

13:00-16:51

1 stop32h 51m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£343

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Thu 29/10

09:00-17:40

1 stop12h 40m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£345

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Mon 14/12

08:15-22:55

2 stops19h 40m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£363

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Sun 13/12

07:30-18:44

2 stops16h 14m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£368

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Tue 22/12

07:30-20:15

2 stops17h 45m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Fri 11/12

12:15-15:40

Nonstop8h 25m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£370

Flights are sorted by cheapest return flights first.

Deals found on 17/9

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-JFK

LHR-EWR

LHR-IAD

LHR-PIT

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-EWR

LHR-IAD

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of £580). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £884). 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 Wednesday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 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 £566 and £719 in October.
The cheapest return price found within the last 5 days was £585 on British Airways (7 Oct–21 Oct).

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

1,431 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

1,431 reviews

Finnair

7.6

Good

1,431 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

1,768 reviews

Finnair

7.6

Good

1,431 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

12,085 reviews

Finnair

7.6

Good

1,431 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

3,033 reviews

Finnair

7.6

Good

1,431 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

8,229 reviews

Finnair

7.6

Good

1,431 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, Virgin Atlantic, and Austrian Airlines can get you from London Heathrow Airport to Pennsylvania in just under 12h 30m. Your travel time can differ by up to 11h. 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 £274 on JetBlue. Other airlines that offer cheap prices include British Airways from £398 and Iberia from £437 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 - Newark, London Heathrow - New York John F Kennedy Intl 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 (84%), American Airlines (77%), Finnair( 77%).
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 £1,621, our data indicates the cheapest price to be £450. The most popular route (London Heathrow - Newark), is priced around £296.
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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of £580). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £884). 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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Luton to Orlando flights

Luton to San Francisco flights

Top 10 airlines flying from Heathrow to Pennsylvania

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£212	Average£695	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£256	Average£256	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
JetBlue	Cheapest£420	Average£578	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Air Canada	Cheapest£438	Average£682	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Finnair	Cheapest£449	Average£685	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£455	Average£801	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Lufthansa	Cheapest£461	Average£695	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Aer Lingus	Cheapest£465	Average£761	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
American Airlines	Cheapest£466	Average£737	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	Cheapest£493	Average£813	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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Cheap flights from London Heathrow Airport to Pennsylvania from £305

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. 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 19 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 19 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 19 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 19 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 19 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 19 September 2026.

Last-minute flights from Heathrow to PennsylvaniaDiscover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 19 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 19 September 2026.

Search for one-way flight options from Heathrow to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 19 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 19 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 Wednesday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 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 £566 and £719 in October.The cheapest return price found within the last 5 days was £585 on British Airways (7 Oct–21 Oct).

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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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 19 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 19 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 19 September 2026.

Last-minute flights from Heathrow to Pennsylvania
Discover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 19 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 19 September 2026.

London Heathrow Airport to Pennsylvania flights typically cost between £566 and £719 in October.
The cheapest return price found within the last 5 days was £585 on British Airways (7 Oct–21 Oct).