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Cheap flights from London Heathrow Airport to Pennsylvania from £326

LHR — PHL
19 Sep — 26 Sep1
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

Sat 26/908:40 -
1 stop13h 27m
Sat 3/1018:00 -
Nonstop7h 20m
Deal found 19/8£421
Thu 1/1014:05 -
1 stop10h 31m
Thu 8/1020:30 -
1 stop29h 00m
Deal found 17/8£422
Sun 20/906:50 -
1 stop11h 10m
Sun 27/916:15 -
1 stop10h 40m
Deal found 17/8£422
Fri 11/907:30 -
1 stop17h 35m
Sun 27/921:50 -
1 stop14h 50m
Deal found 17/8£423
Fri 2/1007:00 -
1 stop12h 20m
Tue 6/1020:30 -
1 stop11h 30m
Deal found 17/8£424
Sat 24/1014:05 -
1 stop12h 25m
Sat 31/1019:45 -
1 stop31h 25m
Deal found 17/8£424
Fri 18/907:00 -
2 stops14h 35m
Sun 27/920:30 -
1 stop11h 30m
Deal found 17/8£424
Thu 17/914:05 -
1 stop24h 40m
Thu 24/917:30 -
1 stop11h 30m
Deal found 17/8£425
Thu 17/908:45 -
1 stop12h 50m
Mon 21/916:15 -
1 stop10h 40m
Deal found 17/8£425
Tue 15/913:25 -
1 stop13h 15m
Tue 6/1016:00 -
1 stop9h 45m
Deal found 18/8£426
Thu 17/912:10 -
1 stop29h 40m
Sun 20/920:30 -
1 stop30h 25m
Deal found 15/8£426
Thu 1/1014:05 -
1 stop10h 31m
Thu 8/1014:30 -
1 stop11h 05m
Deal found 17/8£426

Find flight deals from Heathrow to Pennsylvania

Round-trip from

£421

One-way from

£326

Popular in

August

Cheapest in

January

Average price

£805

Good round-trip deal

£639 or less

Good one-way deal

£420 or less
Virgin Atlantic
  • Virgin Atlantic
  • 26/9-3/10
  • 1 total stop
  • 20h 47m total
  • London to Pennsylvania
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Icelandair
  • Icelandair
  • 21/10
  • 1 total stop
  • 14h 10m total
  • London to Pennsylvania
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£52 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in August 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

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Wed 2/9

10:50-19:25

1 stop13h 35m

Washington, D.C. Dulles Intl

Sun 6/9

08:35-08:20

1 stop18h 45m

£429

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Sat 12/9

08:30-15:10

1 stop11h 40m

Washington, D.C. Dulles Intl

Fri 18/9

18:35-06:55

Nonstop7h 20m

£429

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Fri 23/10

07:30-18:41

2 stops16h 11m

New York LaGuardia

Mon 2/11

14:30-12:00

1 stop16h 30m

£433

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Thu 24/9

09:30-16:05

1 stop11h 35m

Washington, D.C. Dulles Intl

Mon 28/9

12:38-10:00

2 stops16h 22m

£434

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Sun 15/11

07:30-18:45

2 stops16h 15m

New York LaGuardia

Sun 6/12

11:20-06:40

1 stop14h 20m

£434

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Fri 18/9

08:15-11:19

Nonstop8h 04m

New York John F Kennedy Intl

Sun 27/9

21:03-09:30

Nonstop7h 27m

£437

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Thu 17/12

06:30-15:00

1 stop13h 30m

New York John F Kennedy Intl

Thu 7/1

14:00-06:50

1 stop11h 50m

£440

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Fri 18/9

09:55-09:26

2 stops28h 31m

Newark

Thu 24/9

07:00-06:25

1 stop18h 25m

£444

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Tue 15/12

08:40-15:45

1 stop12h 05m

Washington, D.C. Dulles Intl

Wed 30/12

18:59-11:40

1 stop11h 41m

£446

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Thu 24/9

06:30-14:35

1 stop13h 05m

New York John F Kennedy Intl

Sat 3/10

13:15-06:45

1 stop12h 30m

£446

Flights are sorted by cheapest return flights first.

Deals found on 16/8

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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of £564). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £854). 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 £614 and £795 in September.
The cheapest return price found within the last 5 days was £578 on United Airlines (23 Sept–27 Sept).

How far ahead should I book a flight from London Heathrow Airport to Pennsylvania?

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Pennsylvania, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Pennsylvania

Read reviews from past customers who have flown with Finnair,Aer Lingus, andAmerican Airlines from London Heathrow Airport to Pennsylvania. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,427 reviews
Check prices

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Overall

7.6

Food

6.7

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
1,427 reviews
Finnair
7.6
Good
1,427 reviews
Check prices

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Overall

7.6

Food

6.7

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
1,711 reviews
Finnair
7.6
Good
1,427 reviews
Check prices

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Overall

7.6

Food

6.7

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
11,968 reviews
Finnair
7.6
Good
1,427 reviews
Check prices

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Overall

7.6

Food

6.7

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
3,037 reviews
Finnair
7.6
Good
1,427 reviews
Check prices

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Overall

7.6

Food

6.7

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
8,179 reviews
Finnair
7.6
Good
1,427 reviews
Check prices

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Overall

7.6

Food

6.7

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, Lufthansa, and JetBlue can get you from London Heathrow Airport to Pennsylvania in just under 8h 04m. Your travel time can differ by up to 5h 31m. 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 £270 on JetBlue. Other airlines that offer cheap prices include Aer Lingus from £345 and British Airways from £392 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 (89%), American Airlines (83%), Finnair( 83%).

  • 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 £1,729, our data indicates the cheapest price to be £399. The most popular route (London Heathrow - Newark), is priced around £314.

  • 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of £564). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £854). 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 Newark flights
Heathrow to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Gatwick to John F Kennedy Intl flights
Stansted to John F Kennedy Intl flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Heathrow to Orlando flights
Heathrow to Miami flights
Luton to John F Kennedy Intl flights
Heathrow to Los Angeles flights
Gatwick to LaGuardia flights
London City to Newark flights
Stansted to Newark flights
Heathrow to Las Vegas flights
Luton to Newark flights
Heathrow to Boston flights
Heathrow to San Francisco flights
Gatwick to Orlando flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Dulles Intl flights
Stansted to Orlando flights
Gatwick to Los Angeles flights
Heathrow to O'Hare Intl flights
Gatwick to Miami flights
London City to Orlando flights
Heathrow to Baltimore flights
London City to Miami flights
London City to Los Angeles flights
Stansted to Miami flights
Heathrow to Hobby flights
Stansted to Los Angeles flights
Heathrow to Seattle flights
Gatwick to Las Vegas flights
Gatwick to Boston flights
Heathrow to Atlanta flights
London City to Las Vegas flights
Heathrow to Tampa flights
Luton to Orlando flights
Heathrow to George Bush Intcntl flights
Stansted to Las Vegas flights
Luton to Miami flights
London City to Boston flights
Heathrow to Ontario flights
Heathrow to Sky Harbor Intl flights
Heathrow to Austin flights
Gatwick to San Francisco flights
Gatwick to Dulles Intl flights
Stansted to Boston flights
Heathrow to Philadelphia flights

Top 10 airlines flying from Heathrow to Pennsylvania

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£208Average£665FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£252Average£460FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£399Average£651FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£414Average£569FlexibilityNo cancel feeOn-time62%
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Air CanadaCheapest£431Average£585FlexibilityNo cancel feeOn-time67%
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FinnairCheapest£443Average£652FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£448Average£675FlexibilityNo cancel feeOn-time77%
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LufthansaCheapest£454Average£684FlexibilityNo cancel feeOn-time76%
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Aer LingusCheapest£458Average£747FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest£459Average£714FlexibilityNo cancel feeOn-time71%
Search American 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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