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$415+ Cheap flights from Heathrow (LHR) to Pennsylvania

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
Jun 12 — Jun 191
Fri 6/12
Fri 6/19
1 adult, Economy
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Cheap flight deals from Heathrow to Pennsylvania

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 May 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:50 pm
LHR
-
JFK
1 stop24h 50m
Scandinavian Airlines
Thu 6/115:10 pm
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 5/9$583
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:50 pm
LHR
-
JFK
1 stop24h 50m
Scandinavian Airlines
Fri 6/125:10 pm
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 5/9$584
This Ticket deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:05 am
LHR
-
JFK
1 stop13h 35m
Scandinavian Airlines
Mon 6/155:10 pm
JFK
-
LHR
1 stop16h 25m
Scandinavian Airlines
Deal found 5/9$585
This deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/104:35 pm
LHR
-
JFK
Nonstop8h 05m
British Airways
Mon 5/186:30 pm
JFK
-
LHR
Nonstop7h 10m
British Airways
Deal found 5/8$586
This deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:00 am
LHR
-
LGA
1 stop14h 49m
American Airlines
Mon 5/182:59 pm
LGA
-
LHR
1 stop13h 26m
American Airlines
Deal found 5/11$587
This eDestinos deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:20 am
LHR
-
JFK
1 stop11h 40m
Scandinavian Airlines
Fri 9/185:10 pm
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 5/8$587
This LEVEL deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/69:55 am
LHR
-
JFK
1 stop17h 05m
LEVEL
Tue 7/711:50 pm
JFK
-
LHR
1 stop28h 20m
LEVEL
Deal found 5/12$588
This The Travel House deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/315:30 pm
LHR
-
JFK
1 stop27h 10m
Scandinavian Airlines
Thu 6/115:10 pm
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 5/10$589
This The Travel House deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:50 pm
LHR
-
JFK
1 stop24h 50m
Scandinavian Airlines
Fri 6/55:10 pm
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 5/12$590
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:05 am
LHR
-
JFK
1 stop13h 35m
Scandinavian Airlines
Tue 6/25:10 pm
JFK
-
LHR
2 stops14h 45m
Scandinavian Airlines
Deal found 5/12$591
This deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:25 pm
LHR
-
JFK
Nonstop7h 55m
British Airways
Sat 5/306:30 pm
JFK
-
LHR
Nonstop7h 10m
British Airways
Deal found 5/12$592
This deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:15 am
LHR
-
JFK
Nonstop7h 50m
British Airways
Sat 5/308:55 pm
JFK
-
LHR
Nonstop7h 15m
British Airways
Deal found 5/12$593

Find flight deals from Heathrow to Pennsylvania

Keep the following information in mind while searching for Heathrow to Pennsylvania flight deals. Data was last updated May 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$583
(Kiwi.com)

One-way from

$415
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$804

Good round-trip deal

$888 or less

Good one-way deal

$742 or less
Provider with most accurate pricing for London (LON)-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Philadelphia flights.
Search Deals
From London Heathrow to Pennsylvania
Search Deals
One-way flight from London Heathrow to Pennsylvania
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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

 
Customize your flight search to find flights from Heathrow to Pennsylvania that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 13, 2026.
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 round-trip

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Fri 5/29

7:05 am-3:40 pm

1 stop13h 35m

New York John F Kennedy Intl

Fri 6/5

6:55 pm-2:35 pm

2 stops14h 40m

$637

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Sun 11/1

7:50 pm-1:40 pm

2 stops22h 50m

Newark

Sun 11/8

6:30 pm-6:50 pm

1 stop19h 20m

$643

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Wed 6/10

7:05 am-3:40 pm

1 stop13h 35m

New York John F Kennedy Intl

Thu 9/3

6:55 pm-2:35 pm

2 stops14h 40m

$656

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 10/29

9:50 am-8:30 pm

1 stop14h 40m

Washington, D.C. Dulles Intl

Thu 11/5

8:09 pm-11:40 am

1 stop10h 31m

$704

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Wed 9/2

9:05 pm-1:15 pm

2 stops21h 10m

Newark

Wed 9/9

5:45 pm-12:55 pm

2 stops14h 10m

$724

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 9/15

9:30 am-3:40 pm

1 stop11h 10m

Washington, D.C. Reagan-National

Fri 9/25

6:00 am-8:40 pm

1 stop9h 40m

$732

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 8/30

10:45 am-6:45 pm

1 stop13h 00m

Washington, D.C. Reagan-National

Tue 9/15

3:30 pm-6:45 am

1 stop10h 15m

$736

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 8/14

3:50 pm-10:59 pm

1 stop12h 09m

Washington, D.C. Reagan-National

Mon 8/31

10:35 am-6:45 am

1 stop15h 10m

$748

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 8/5

6:55 am-3:05 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Fri 9/11

6:35 pm-6:55 am

Nonstop7h 20m

$749

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 8/24

9:15 am-3:59 pm

1 stop11h 44m

Washington, D.C. Reagan-National

Thu 9/24

3:36 pm-6:25 am

1 stop9h 49m

$756

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

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 round-trip 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

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

The price you pay for your flight from London Heathrow Airport to Pennsylvania may vary depending on when you book. For the best chance of a lower fare, look to book 10 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of $283). Flying from London Heathrow Airport to Pennsylvania in March is currently the most expensive (average of $575). 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?

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 May 13, 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

Explore weekly flight availability from Heathrow to Pennsylvania. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 13, 2026.

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 to fly round-trip from London Heathrow Airport to Pennsylvania?

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pennsylvania. Reviews last updated May 13, 2026.
See what other customers who have flown with Aer Lingus,American Airlines, andBritish Airways from London Heathrow Airport to Pennsylvania have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,558 reviews

Entertainment

7.0

Crew

8.1

Comfort

7.2

Food

6.6

Boarding

7.4

Overall

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.
Aer Lingus
7.3
Good
1,558 reviews
Aer Lingus
7.3
Good
1,558 reviews

Entertainment

7.0

Crew

8.1

Comfort

7.2

Food

6.6

Boarding

7.4

Overall

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.
American Airlines
7.1
Good
11,662 reviews
Aer Lingus
7.3
Good
1,558 reviews

Entertainment

7.0

Crew

8.1

Comfort

7.2

Food

6.6

Boarding

7.4

Overall

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.
British Airways
6.7
Okay
7,977 reviews
Aer Lingus
7.3
Good
1,558 reviews

Entertainment

7.0

Crew

8.1

Comfort

7.2

Food

6.6

Boarding

7.4

Overall

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from London Heathrow Airport to Pennsylvania will take you 11h 10m. London Heathrow Airport and Pennsylvania are separated by a distance of 3652 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from London Heathrow Airport to Pennsylvania one-way?

    The cheapest airline one-way is Finnair, with whom users have recently found tickets for as low as $466. However, be on the lookout for offers from Aer Lingus and American Airlines, as they are both options that can get you from London Heathrow Airport to Pennsylvania for a low price.

  • What are the most popular routes from London Heathrow Airport to Pennsylvania?

    The most popular route from London Heathrow Airport to Pennsylvania is London Heathrow - New York John F Kennedy Intl. You may also consider London Heathrow - Newark or 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 (82%), American Airlines (77%), Finnair( 77%).

  • What are the cheapest flights from London Heathrow Airport to Pennsylvania?

    The cheapest flight price from London Heathrow Airport to Pennsylvania is $685. On average you can expect to pay $1,247. The most popular route, (London Heathrow - New York John F Kennedy Intl), can usually be booked for $487.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of $283). Flying from London Heathrow Airport to Pennsylvania in March is currently the most expensive (average of $575). 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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Top 3 airlines flying from Heathrow to Pennsylvania

Discover the top 3 airlines that operate flights from Heathrow to Pennsylvania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$614Average$810FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$646Average$814FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$670Average$994FlexibilityNo cancel feeOn-timeN/A

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