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

United Airlines, Scandinavian Airlines, and TAP AIR PORTUGAL can get you from London Heathrow Airport to Pennsylvania in just under 20h 33m. Your travel time can differ by up to 12h 45m. The distance from London Heathrow Airport to Pennsylvania is about 3533 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 £353 on JetBlue. Other airlines that offer cheap prices include British Airways from £399 and Iberia from £438 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 £1,020, our data indicates the cheapest price to be £434. The most popular route (London Heathrow - New York John F Kennedy Intl), is priced around £343.

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 (85%), Finnair (70%), Iberia( 70%).

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 British Airways, Aer Lingus or Finnair 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.

£335+ 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 30 October 2026.

Fri 20/1106:40 -

2 stops20h 40m

Tue 26/107:25 -

2 stops20h 55m

Deal found 29/10£571

Fri 4/1206:40 -

2 stops20h 50m

Fri 11/1215:19 -

2 stops22h 11m

Deal found 28/10£584

Mon 21/1206:40 -

2 stops23h 01m

Mon 4/116:50 -

2 stops18h 10m

Deal found 27/10£585

Mon 23/1106:00 -

2 stops21h 46m

Sat 28/1109:15 -

2 stops30h 45m

Deal found 26/10£585

Mon 7/1209:00 -

2 stops18h 46m

Mon 14/1217:05 -

1 stop32h 25m

Deal found 28/10£587

Mon 23/1106:00 -

2 stops21h 46m

Fri 27/1109:15 -

2 stops16h 55m

Deal found 26/10£588

Tue 24/1106:50 -

2 stops12h 49m

Tue 1/1209:15 -

2 stops16h 55m

Deal found 27/10£588

Mon 23/1113:00 -

1 stop30h 39m

Mon 30/1109:15 -

2 stops30h 45m

Deal found 26/10£590

Mon 30/1115:45 -

2 stops31h 47m

Mon 7/1208:40 -

1 stop16h 45m

Deal found 25/10£591

Sat 5/1209:00 -

2 stops17h 38m

Sat 12/1206:00 -

2 stops19h 20m

Deal found 26/10£594

Tue 17/1107:30 -

1 stop13h 35m

Tue 17/1119:40 -

2 stops30h 30m

Deal found 29/10£594

Thu 26/1109:30 -

1 stop11h 35m

Thu 3/1209:15 -

2 stops19h 05m

Deal found 27/10£595

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 30 October 2026.

Wed 9/1212:50 -

2 stops25h 52m

Wed 23/1209:50 -

1 stop21h 10m

Deal found 30/10£593

Fri 18/1206:40 -

2 stops20h 33m

Sun 3/112:08 -

2 stops24h 32m

Deal found 28/10£615

Mon 7/1206:30 -

1 stop12h 35m

Mon 14/1219:35 -

Nonstop7h 15m

Deal found 29/10£677

Sat 21/1118:30 -

2 stops33h 18m

Fri 4/1212:10 -

2 stops18h 15m

Deal found 30/10£687

Thu 10/1206:30 -

1 stop12h 35m

Fri 15/119:40 -

Nonstop7h 10m

Deal found 26/10£723

Thu 10/1208:40 -

2 stops15h 43m

Thu 17/1209:43 -

1 stop17h 02m

Deal found 26/10£738

Fri 25/1212:05 -

1 stop11h 43m

Fri 8/114:59 -

1 stop10h 41m

Deal found 28/10£865

Sat 5/1209:00 -

2 stops17h 38m

Sat 12/1206:00 -

2 stops19h 20m

Deal found 26/10£594

Fri 11/1212:55 -

2 stops14h 56m

Fri 18/1211:46 -

2 stops14h 19m

Deal found 26/10£1,205

Mon 23/1106:40 -

2 stops23h 06m

Mon 7/1212:20 -

3 stops19h 35m

Deal found 26/10£618

Sun 10/111:05 -

2 stops35h 39m

Sun 14/209:15 -

2 stops30h 45m

Deal found 28/10£603

Thu 5/1106:40 -

2 stops18h 23m

Sat 14/1111:00 -

2 stops24h 00m

Deal found 26/10£651

Mon 7/1210:35 -

1 stop12h 47m

Mon 14/1213:17 -

1 stop13h 03m

Deal found 26/10£725

Wed 25/1109:00 -

2 stops19h 30m

Sat 28/1117:05 -

2 stops22h 55m

Deal found 27/10£609

Mon 23/1115:55 -

Nonstop8h 25m

Mon 7/1215:39 -

1 stop9h 56m

Deal found 25/10£738

Sat 16/106:30 -

1 stop12h 30m

Sat 30/118:35 -

Nonstop7h 00m

Deal found 25/10£725

Mon 7/1215:55 -

Nonstop8h 25m

Wed 23/1207:00 -

1 stop21h 20m

Deal found 27/10£738

Mon 23/1106:40 -

2 stops23h 06m

Mon 30/1115:14 -

2 stops21h 26m

Deal found 27/10£693

Wed 9/1209:00 -

2 stops36h 21m

Wed 16/1210:53 -

1 stop14h 02m

Deal found 25/10£664

Mon 28/1206:40 -

2 stops23h 01m

Mon 4/113:00 -

2 stops23h 40m

Deal found 26/10£701

Fri 27/1115:55 -

Nonstop8h 25m

Fri 4/1215:57 -

1 stop11h 38m

Deal found 28/10£780

Wed 25/1107:40 -

2 stops21h 04m

Wed 2/1219:54 -

1 stop9h 56m

Deal found 28/10£692

Thu 3/1209:00 -

2 stops19h 44m

Mon 7/1219:54 -

2 stops19h 41m

Deal found 29/10£693

Mon 14/1213:35 -

2 stops29h 25m

Mon 21/1214:10 -

1 stop16h 50m

Deal found 30/10£707

Thu 26/1115:10 -

2 stops47h 34m

Thu 3/1215:12 -

2 stops20h 08m

Deal found 27/10£720

Sun 22/1107:40 -

2 stops21h 04m

Sun 29/1121:55 -

1 stop27h 00m

Deal found 25/10£725

Sat 28/1116:20 -

1 stop26h 56m

Sat 5/1215:12 -

2 stops33h 43m

Deal found 29/10£751

Fri 25/1218:00 -

2 stops25h 00m

Fri 8/114:05 -

2 stops14h 05m

Deal found 28/10£781

Tue 24/1106:35 -

2 stops17h 29m

Tue 1/1213:49 -

2 stops14h 21m

Deal found 27/10£790

Wed 11/1106:50 -

2 stops31h 54m

Sun 15/1117:35 -

1 stop33h 20m

Deal found 27/10£793

Find flight deals from Heathrow to Pennsylvania

Round-trip from	£565
One-way from	£335
Popular in	August
Cheapest in	January
Average price	£696
Good round-trip deal	£599 or less
Good one-way deal	£587 or less

Scandinavian Airlines
1/4-30/4
4 total stops
57h 29m total
London to Pennsylvania

Search Deals

19/1-31/12
3 total stops
41h 46m total
London to Pennsylvania

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£58 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

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 11/11

13:55-09:30

3 stops48h 35m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£439

LondonPittsburgh

LHR London Heathrow - PIT Pittsburgh

LHRPIT

London Heathrow

Thu 14/1

07:25-23:46

1 stop21h 21m

Pittsburgh

Wed 31/12

00:00-06:00

Nonstop0h 00m

£444

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Sat 5/12

09:20-18:43

1 stop14h 23m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£444

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 9/12

09:20-18:43

1 stop14h 23m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£444

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Tue 15/12

06:35-09:57

2 stops32h 22m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£453

LondonPittsburgh

LHR London Heathrow - PIT Pittsburgh

LHRPIT

London Heathrow

Mon 7/12

14:50-20:30

2 stops34h 40m

Pittsburgh

Wed 31/12

00:00-06:00

Nonstop0h 00m

£469

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Mon 9/11

20:50-23:54

3 stops56h 04m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£469

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Mon 4/1

17:20-17:07

1 stop28h 47m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£483

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Thu 31/12

17:20-14:21

1 stop26h 01m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£521

LondonPittsburgh

LHR London Heathrow - PIT Pittsburgh

LHRPIT

London Heathrow

Tue 22/12

07:50-19:20

1 stop16h 30m

Pittsburgh

Wed 31/12

00:00-06:00

Nonstop0h 00m

£522

Flights are sorted by cheapest return flights first.

Deals found on 29/10

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-MDT

LHR-AVP

LHR-ERI

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-MDT

LHR-AVP

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 £587). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £889). 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.

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 £611 and £708 in April.
The cheapest return price found within the last 5 days was £585 on United Airlines (13 Apr–20 Apr).

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

1,417 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

1,417 reviews

Finnair

7.6

Good

1,417 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

1,869 reviews

Finnair

7.6

Good

1,417 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

3,075 reviews

Finnair

7.6

Good

1,417 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

12,212 reviews

Finnair

7.6

Good

1,417 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

8,277 reviews

Finnair

7.6

Good

1,417 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, Scandinavian Airlines, and TAP AIR PORTUGAL can get you from London Heathrow Airport to Pennsylvania in just under 20h 33m. Your travel time can differ by up to 12h 45m. The distance from London Heathrow Airport to Pennsylvania is about 3533 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 £353 on JetBlue. Other airlines that offer cheap prices include British Airways from £399 and Iberia from £438 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 (85%), Finnair (70%), Iberia( 70%).
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 £1,020, our data indicates the cheapest price to be £434. The most popular route (London Heathrow - New York John F Kennedy Intl), is priced around £343.
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 £587). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £889). 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 Fort Lauderdale flights

Top 10 airlines flying from Heathrow to Pennsylvania

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£256	Average£257	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
JetBlue	Cheapest£421	Average£579	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Finnair	Cheapest£450	Average£731	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£456	Average£795	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
American Airlines	Cheapest£467	Average£748	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Aer Lingus	Cheapest£480	Average£761	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	Cheapest£494	Average£778	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£497	Average£733	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Icelandair	Cheapest£558	Average£675	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Lufthansa	Cheapest£585	Average£811	FlexibilityNo cancel fee	On-time76%	Search Lufthansa 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 £335

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/1. 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 30 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 30 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 30 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 30 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 30 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 30 October 2026.

Last-minute flights from Heathrow to PennsylvaniaDiscover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 30 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 30 October 2026.

Search for one-way flight options from Heathrow to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 30 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 30 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.

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 £611 and £708 in April.The cheapest return price found within the last 5 days was £585 on United Airlines (13 Apr–20 Apr).

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

Complete your trip to Pennsylvania by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Heathrow to Pennsylvania by cabin class

Find flights from Heathrow to Pennsylvania, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Pennsylvania flights

Browse other Heathrow and Pennsylvania flight options. Last updated on 30 October 2026.

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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 30 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 30 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 30 October 2026.

Last-minute flights from Heathrow to Pennsylvania
Discover last-minute flight deals from Heathrow to Pennsylvania. Data last updated 30 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 30 October 2026.

London Heathrow Airport to Pennsylvania flights typically cost between £611 and £708 in April.
The cheapest return price found within the last 5 days was £585 on United Airlines (13 Apr–20 Apr).