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Cheap flights from London Heathrow Airport to Pennsylvania from £363

LHR — PHL
12 Dec — 19 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Pennsylvania

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Pennsylvania

Wed 2/1206:40 -
2 stops23h 12m
Mon 7/1215:39 -
2 stops19h 21m
Deal found 9/11£597
Mon 7/1206:00 -
2 stops21h 36m
Mon 14/1209:15 -
2 stops16h 55m
Deal found 8/11£598
Tue 1/1206:00 -
2 stops21h 36m
Tue 8/1217:05 -
2 stops33h 05m
Deal found 11/11£599
Wed 2/1209:00 -
2 stops18h 36m
Thu 10/1209:15 -
2 stops30h 45m
Deal found 10/11£602
Mon 7/1213:30 -
1 stop31h 35m
Mon 14/1206:00 -
2 stops20h 10m
Deal found 7/11£604
Wed 2/1206:40 -
3 stops34h 04m
Sun 6/1208:40 -
3 stops29h 10m
Deal found 8/11£606
Wed 2/1220:25 -
2 stops31h 44m
Wed 9/1212:01 -
3 stops23h 04m
Deal found 8/11£606
Thu 24/1219:30 -
2 stops32h 36m
Thu 31/1208:30 -
2 stops26h 30m
Deal found 9/11£607
Sun 6/1206:00 -
2 stops21h 36m
Sun 13/1209:15 -
2 stops16h 55m
Deal found 8/11£609
Thu 3/1209:00 -
2 stops18h 36m
Sun 6/1209:15 -
2 stops30h 45m
Deal found 10/11£609
Wed 16/1206:40 -
2 stops23h 06m
Wed 6/111:58 -
2 stops16h 22m
Deal found 8/11£611
Mon 23/1106:40 -
2 stops23h 06m
Mon 30/1117:08 -
2 stops20h 22m
Deal found 9/11£618

Find flight deals from Heathrow to Pennsylvania

Round-trip from

£545

One-way from

£363

Popular in

August

Cheapest in

January

Average price

£691

Good round-trip deal

£619 or less

Good one-way deal

£489 or less
British Airways
  • British Airways
  • 6/1-13/1
  • Nonstop
  • 15h 50m total
  • London to Pennsylvania
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11/1-31/12
  • 11/1-31/12
  • 3 total stops
  • 47h 51m total
  • London to Pennsylvania
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£57 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from London Heathrow to Pennsylvania.
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Price to beat on a one-way flight from London Heathrow to Pennsylvania.
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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 7/4

19:15-18:40

2 stops28h 25m

Pittsburgh

Wed 31/12

00:00-06:00

Nonstop0h 00m

£406

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Tue 29/12

06:30-14:00

1 stop12h 30m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£454

LondonPittsburgh

LHR London Heathrow - PIT Pittsburgh

LHRPIT

London Heathrow

Mon 15/2

06:00-20:35

2 stops19h 35m

Pittsburgh

Wed 31/12

00:00-06:00

Nonstop0h 00m

£455

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Fri 25/12

09:20-20:08

1 stop15h 48m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£467

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Tue 5/1

16:20-14:14

1 stop26h 54m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£475

LondonPittsburgh

LHR London Heathrow - PIT Pittsburgh

LHRPIT

London Heathrow

Sun 7/2

12:20-23:46

1 stop16h 26m

Pittsburgh

Wed 31/12

00:00-06:00

Nonstop0h 00m

£476

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Wed 30/12

06:50-10:35

2 stops32h 45m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£478

LondonPittsburgh

LHR London Heathrow - PIT Pittsburgh

LHRPIT

London Heathrow

Wed 7/4

08:40-17:44

1 stop14h 04m

Pittsburgh

Wed 31/12

00:00-06:00

Nonstop0h 00m

£480

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Mon 28/12

13:00-14:44

1 stop30h 44m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£482

LondonPhiladelphia

LHR London Heathrow - PHL Philadelphia

LHRPHL

London Heathrow

Tue 29/12

16:20-09:56

1 stop22h 36m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£483

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Pennsylvania

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 £588). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £891). 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 (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 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 £624 and £730 in December.
The cheapest return price found within the last 5 days was £597 on Scandinavian Airlines (2 Dec–7 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
1,411 reviews
Check prices

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.2

Entertainment

6.9

Boarding

7.6

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
1,411 reviews
Finnair
7.6
Good
1,411 reviews
Check prices

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.2

Entertainment

6.9

Boarding

7.6

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
1,883 reviews
Finnair
7.6
Good
1,411 reviews
Check prices

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.2

Entertainment

6.9

Boarding

7.6

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
3,074 reviews
Finnair
7.6
Good
1,411 reviews
Check prices

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.2

Entertainment

6.9

Boarding

7.6

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
12,234 reviews
Finnair
7.6
Good
1,411 reviews
Check prices

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.2

Entertainment

6.9

Boarding

7.6

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
8,285 reviews
Finnair
7.6
Good
1,411 reviews
Check prices

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.2

Entertainment

6.9

Boarding

7.6

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, United Airlines, and TAP AIR PORTUGAL can get you from London Heathrow Airport to Pennsylvania in just under 23h. Your travel time can differ by up to 9h 38m. 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 £395 on Air India. Other airlines that offer cheap prices include Emirates from £492 and Turkish Airlines from £540 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 (86%), Finnair (71%), Iberia( 71%).

  • 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 £733, our data indicates the cheapest price to be £434. The most popular route (London Heathrow - New York John F Kennedy Intl), is priced around £340.

  • 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 £588). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £891). 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

Alternative routes for Heathrow to Pennsylvania

Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Heathrow to LaGuardia flights
Gatwick to John F Kennedy Intl flights
Gatwick to Newark flights
Stansted to John F Kennedy Intl flights
Luton to John F Kennedy Intl flights
London City to John F Kennedy Intl flights
Heathrow to Miami flights
Gatwick to LaGuardia flights
Luton to Newark flights
London City to Newark flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
Stansted to Newark flights
Heathrow to Boston flights
Heathrow to Seattle flights
Heathrow to Las Vegas flights
Gatwick to Miami flights
Heathrow to Dallas/Fort Worth flights
Heathrow to San Francisco flights
Gatwick to Orlando flights
Stansted to Miami flights
London City to Miami flights
Heathrow to Dulles Intl flights
Heathrow to Hobby flights
Heathrow to O'Hare Intl flights
Luton to Miami flights
Heathrow to Atlanta flights
Gatwick to Los Angeles flights
Stansted to Orlando flights
London City to Los Angeles flights
Heathrow to Baltimore flights
London City to Orlando flights
Southend to John F Kennedy Intl flights
Stansted to Los Angeles flights
Heathrow to George Bush Intcntl flights
Heathrow to Tampa flights
Gatwick to Seattle flights
Heathrow to Ontario flights
Heathrow to Denver flights
Gatwick to Boston flights
Stansted to Seattle flights
London City to Seattle flights
Luton to Los Angeles flights
London City to Boston flights
Stansted to Boston flights
Luton to LaGuardia flights
Gatwick to San Francisco flights
Luton to Orlando flights

Top 10 airlines flying from Heathrow to Pennsylvania

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£257Average£302FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£422Average£589FlexibilityNo cancel feeOn-time62%
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FinnairCheapest£451Average£736FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£457Average£800FlexibilityNo cancel feeOn-time77%
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American AirlinesCheapest£468Average£770FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest£495Average£826FlexibilityNo cancel feeOn-time69%
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British AirwaysCheapest£496Average£738FlexibilityNo cancel feeOn-time70%
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IcelandairCheapest£559Average£670FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£586Average£698FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£593Average£766FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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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