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

Scandinavian Airlines, British Airways, and Air Canada can get you from London Heathrow Airport to Pennsylvania in just under 19h 50m. Your travel time can differ by up to 7h 45m. The distance from London Heathrow Airport to Pennsylvania is about 3708 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 £327 on SAUDIA. Other airlines that offer cheap prices include Air India from £397 and Emirates from £495 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 £1,557, our data indicates the cheapest price to be £390. The most popular route (London Heathrow - New York John F Kennedy Intl), is priced around £245.

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%), Finnair (75%), Iberia( 75%).

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.

£378+ 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 4 October 2026.

Mon 23/1109:20 -

1 stop14h 06m

Mon 30/1106:00 -

1 stop22h 30m

Deal found 29/9£555

Tue 3/1108:50 -

1 stop15h 30m

Thu 5/1120:50 -

1 stop12h 35m

Deal found 29/9£566

Tue 3/1107:25 -

1 stop21h 16m

Fri 6/1112:47 -

1 stop13h 08m

Deal found 29/9£568

Thu 22/1006:40 -

2 stops20h 38m

Mon 26/1012:20 -

2 stops25h 20m

Deal found 30/9£575

Mon 9/1106:40 -

2 stops19h 50m

Mon 23/1113:39 -

2 stops21h 21m

Deal found 1/10£576

Wed 18/1106:40 -

2 stops19h 50m

Mon 30/1117:08 -

2 stops19h 32m

Deal found 30/9£587

Tue 1/1218:00 -

2 stops25h 44m

Thu 10/1209:15 -

2 stops19h 05m

Deal found 30/9£594

Mon 2/1113:00 -

1 stop30h 44m

Mon 9/1110:30 -

2 stops15h 40m

Deal found 1/10£595

Mon 2/1106:50 -

2 stops12h 54m

Mon 9/1109:15 -

2 stops16h 55m

Deal found 3/10£596

Mon 16/1115:00 -

1 stop12h 56m

Mon 23/1110:30 -

2 stops15h 40m

Deal found 1/10£597

Tue 20/1008:40 -

1 stop29h 52m

Wed 28/1006:30 -

1 stop20h 25m

Deal found 29/9£598

Sun 1/1107:30 -

1 stop13h 35m

Fri 20/1119:40 -

1 stop30h 00m

Deal found 29/9£599

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 4 October 2026.

Wed 18/1106:40 -

3 stops19h 50m

Mon 30/1117:08 -

2 stops17h 52m

Deal found 30/9£592

Mon 2/1120:45 -

1 stop27h 35m

Mon 16/1121:15 -

Nonstop7h 25m

Deal found 29/9£612

Mon 23/1118:00 -

2 stops24h 06m

Sun 29/1119:20 -

1 stop32h 10m

Deal found 29/9£617

Fri 9/1006:30 -

2 stops15h 14m

Mon 19/1017:29 -

2 stops13h 36m

Deal found 29/9£656

Mon 9/1112:20 -

1 stop16h 21m

Mon 23/1110:45 -

1 stop15h 10m

Deal found 1/10£659

Wed 28/1009:00 -

2 stops18h 44m

Wed 4/1120:13 -

2 stops32h 07m

Deal found 30/9£663

Sun 1/1108:15 -

3 stops29h 12m

Sun 15/1109:23 -

2 stops22h 17m

Deal found 2/10£712

Mon 25/106:40 -

3 stops19h 46m

Mon 8/207:20 -

2 stops21h 00m

Deal found 29/9£595

Wed 9/1206:30 -

1 stop12h 35m

Mon 14/1218:35 -

Nonstop7h 00m

Deal found 2/10£630

Wed 28/1006:40 -

2 stops22h 16m

Tue 3/1111:00 -

3 stops22h 35m

Deal found 2/10£621

Mon 16/1107:30 -

2 stops18h 27m

Mon 23/1110:21 -

2 stops17h 49m

Deal found 2/10£689

Mon 16/1106:30 -

1 stop12h 30m

Mon 23/1118:35 -

Nonstop7h 00m

Deal found 2/10£633

Thu 11/309:20 -

1 stop13h 24m

Wed 17/309:48 -

1 stop17h 07m

Deal found 3/10£723

Wed 11/1107:05 -

3 stops22h 50m

Wed 18/1114:12 -

2 stops20h 48m

Deal found 3/10£627

Wed 11/1109:10 -

2 stops29h 34m

Sun 15/1117:35 -

1 stop31h 20m

Deal found 29/9£692

Wed 11/1106:30 -

1 stop12h 30m

Wed 18/1118:35 -

Nonstop7h 00m

Deal found 3/10£636

Mon 9/1106:30 -

2 stops14h 48m

Mon 16/1112:09 -

2 stops13h 16m

Deal found 3/10£775

Mon 26/1007:05 -

3 stops21h 51m

Thu 5/1111:00 -

3 stops24h 25m

Deal found 2/10£633

Thu 3/1207:30 -

2 stops18h 46m

Mon 7/1219:54 -

2 stops19h 41m

Deal found 1/10£698

Fri 16/1009:15 -

Nonstop7h 55m

Wed 21/1019:35 -

Nonstop7h 15m

Deal found 29/9£676

Mon 9/1115:10 -

1 stop11h 59m

Mon 23/1112:58 -

1 stop15h 12m

Deal found 2/10£702

Tue 3/1106:40 -

2 stops19h 14m

Fri 6/1107:21 -

3 stops20h 59m

Deal found 29/9£653

Tue 22/1208:55 -

2 stops19h 20m

Mon 28/1206:10 -

2 stops19h 10m

Deal found 30/9£898

Sun 14/312:10 -

1 stop12h 10m

Sun 28/321:45 -

Nonstop7h 20m

Deal found 29/9£684

Mon 9/1116:20 -

1 stop12h 24m

Mon 16/1120:13 -

2 stops19h 22m

Deal found 3/10£712

Mon 23/1115:55 -

Nonstop8h 25m

Mon 30/1117:43 -

1 stop10h 57m

Deal found 2/10£698

Tue 17/1116:20 -

1 stop12h 24m

Tue 24/1106:00 -

2 stops19h 20m

Deal found 3/10£712

Tue 17/1110:25 -

1 stop13h 32m

Tue 24/1106:15 -

2 stops19h 05m

Deal found 3/10£712

Sun 15/1113:35 -

2 stops25h 09m

Sun 22/1115:00 -

2 stops33h 55m

Deal found 1/10£724

Thu 29/1013:35 -

2 stops24h 15m

Thu 5/1113:49 -

2 stops16h 01m

Deal found 1/10£724

Find flight deals from Heathrow to Pennsylvania

Round-trip from	£557
One-way from	£378
Popular in	August
Cheapest in	January
Average price	£676
Good round-trip deal	£557 or less
Good one-way deal	£494 or less

JetBlue
20/1-29/1
2 total stops
26h 21m total
London to Pennsylvania

Search Deals

29/12-31/12
2 total stops
18h 20m total
London to Pennsylvania

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£61 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 October 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

LondonPittsburgh

LHR London Heathrow - PIT Pittsburgh

LHRPIT

London Heathrow

Wed 4/11

12:20-23:41

1 stop16h 21m

Pittsburgh

Wed 31/12

00:00-06:00

Nonstop0h 00m

£422

LondonPittsburgh

LHR London Heathrow - PIT Pittsburgh

LHRPIT

London Heathrow

Fri 4/12

12:20-23:56

1 stop16h 36m

Pittsburgh

Wed 31/12

00:00-06:00

Nonstop0h 00m

£432

LondonPittsburgh

LHR London Heathrow - PIT Pittsburgh

LHRPIT

London Heathrow

Thu 5/11

12:20-23:41

1 stop16h 21m

Pittsburgh

Wed 31/12

00:00-06:00

Nonstop0h 00m

£432

LondonPittsburgh

LHR London Heathrow - PIT Pittsburgh

LHRPIT

London Heathrow

Sat 5/12

12:20-23:56

1 stop16h 36m

Pittsburgh

Wed 31/12

00:00-06:00

Nonstop0h 00m

£433

Fastest return journey

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 18/11

13:10-16:15

Nonstop8h 05m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£434

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 18/11

13:00-14:44

1 stop30h 44m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£436

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Fri 6/11

09:20-17:08

1 stop12h 48m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£438

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Sat 31/10

09:20-21:11

1 stop15h 51m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£442

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 30/12

13:00-14:44

1 stop30h 44m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£446

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 4/11

09:20-17:08

1 stop12h 48m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£448

Flights are sorted by cheapest return flights first.

Deals found on 1/10

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-PHL

LHR-PIT

LHR-ERI

LHR-MDT

LHR-SCE

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-PHL

LHR-PIT

LHR-ERI

LHR-MDT

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 £586). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £892). 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 below average for this route at the moment.

London Heathrow Airport to Pennsylvania flights typically cost between £617 and £767 in December.
The cheapest return price found within the last 5 days was £594 on Air Canada (1 Dec–10 Dec).

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, andJetBlue 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

1,812 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

3,040 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

7.0

Good

12,128 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

8,245 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?
Scandinavian Airlines, British Airways, and Air Canada can get you from London Heathrow Airport to Pennsylvania in just under 19h 50m. Your travel time can differ by up to 7h 45m. The distance from London Heathrow Airport to Pennsylvania is about 3708 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 £327 on SAUDIA. Other airlines that offer cheap prices include Air India from £397 and Emirates from £495 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%), Finnair (75%), Iberia( 75%).
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 £1,557, our data indicates the cheapest price to be £390. The most popular route (London Heathrow - New York John F Kennedy Intl), is priced around £245.
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 £586). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £892). 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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London City to San Francisco flights

Stansted to Dallas/Fort Worth flights

London City to Boston flights

Heathrow to Charlotte flights

Gatwick to Boston flights

Heathrow to Tampa flights

Stansted to San Francisco flights

Top 10 airlines flying from Heathrow to Pennsylvania

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£258	Average£259	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
JetBlue	Cheapest£424	Average£584	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Finnair	Cheapest£454	Average£709	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£459	Average£826	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Aer Lingus	Cheapest£470	Average£766	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
American Airlines	Cheapest£470	Average£776	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	Cheapest£498	Average£821	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£500	Average£732	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£521	Average£817	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Icelandair	Cheapest£562	Average£680	FlexibilityNo cancel fee	On-time76%	Search Icelandair 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 £378

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/12. 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 4 October 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 4 October 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 4 October 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 4 October 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 4 October 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 4 October 2026.

Last-minute flights from Heathrow to PennsylvaniaDiscover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 4 October 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 4 October 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 4 October 2026.

Search for one-way flight options from Heathrow to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 4 October 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 4 October 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 below average for this route at the moment.

London Heathrow Airport to Pennsylvania flights typically cost between £617 and £767 in December.The cheapest return price found within the last 5 days was £594 on Air Canada (1 Dec–10 Dec).

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, andJetBlue 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 4 October 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 4 October 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 4 October 2026.

Last-minute flights from Heathrow to Pennsylvania
Discover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 4 October 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 4 October 2026.

London Heathrow Airport to Pennsylvania flights typically cost between £617 and £767 in December.
The cheapest return price found within the last 5 days was £594 on Air Canada (1 Dec–10 Dec).