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$443+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
Sep 11 — Sep 181
Fri 9/11
Fri 9/18
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 August 12, 2026.

This TravelUp deal was found by Cheapflights users on 8/11. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:00 pm -
1 stop12h 31m
Sun 11/16:55 pm -
1 stop11h 25m
Deal found 8/11$575
This SWISS deal was found by Cheapflights users on 8/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:05 pm -
1 stop21h 45m
Mon 9/214:15 pm -
1 stop10h 40m
Deal found 8/11$575
This TravelUp deal was found by Cheapflights users on 8/11. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:05 pm -
1 stop10h 31m
Thu 9/242:30 pm -
1 stop11h 05m
Deal found 8/11$576
This SWISS deal was found by Cheapflights users on 8/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:05 pm -
1 stop22h 10m
Tue 12/17:35 pm -
1 stop13h 05m
Deal found 8/10$576
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:05 pm -
1 stop10h 31m
Tue 10/62:30 pm -
1 stop11h 05m
Deal found 8/11$577
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:25 am -
2 stops17h 40m
Thu 9/179:45 pm -
1 stop29h 35m
Deal found 8/11$577
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:05 pm -
1 stop10h 31m
Thu 9/172:30 pm -
1 stop11h 05m
Deal found 8/11$578
This TravelUp deal was found by Cheapflights users on 8/11. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:05 am -
2 stops14h 00m
Mon 9/219:50 pm -
2 stops18h 45m
Deal found 8/11$578
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:05 pm -
1 stop10h 35m
Sun 9/134:45 pm -
1 stop11h 50m
Deal found 8/11$579
This TravelUp deal was found by Cheapflights users on 8/11. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:45 am -
1 stop12h 30m
Sat 10/1710:00 pm -
Nonstop7h 20m
Deal found 8/11$579
This Gotogate deal was found by Cheapflights users on 8/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:40 am -
2 stops15h 56m
Wed 9/307:55 pm -
1 stop32h 40m
Deal found 8/12$580
This Brussels Airlines deal was found by Cheapflights users on 8/11. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:55 pm -
1 stop24h 05m
Sat 9/196:10 pm -
1 stop17h 55m
Deal found 8/11$580

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 August 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$575
(TravelUp)

One-way from

$443
(Booking.com)

Popular in

August

Cheapest in

January

Average price

$1,091

Good round-trip deal

$867 or less

Good one-way deal

$664 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
Highest demand for flights based on searches. 9% potential increase in price ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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.
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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 August 12, 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

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Sat 1/9

9:00 am-5:00 pm

1 stop13h 00m

Washington, D.C. Dulles Intl

Mon 1/11

6:20 pm-6:40 am

Nonstop7h 20m

$584

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Tue 11/10

7:30 am-2:35 pm

1 stop12h 05m

Washington, D.C. Dulles Intl

Tue 11/17

8:37 am-7:10 am

2 stops17h 33m

$584

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Mon 9/21

9:30 am-4:05 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Tue 9/29

12:38 pm-6:30 am

2 stops12h 52m

$585

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Thu 10/1

9:30 am-4:05 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Tue 10/6

8:33 am-6:30 am

2 stops16h 57m

$585

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Sun 9/13

7:30 am-6:45 pm

2 stops16h 15m

New York LaGuardia

Mon 9/21

2:55 pm-10:40 am

1 stop14h 45m

$587

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Fri 9/11

12:15 pm-3:30 pm

Nonstop8h 15m

Washington, D.C. Dulles Intl

Mon 9/28

10:05 pm-10:40 am

Nonstop7h 35m

$590

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Fri 10/2

6:05 pm-9:05 pm

Nonstop8h 00m

New York John F Kennedy Intl

Sun 10/4

6:30 pm-6:40 am

Nonstop7h 10m

$590

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Thu 10/22

10:20 am-7:10 pm

1 stop13h 50m

New York John F Kennedy Intl

Mon 11/2

12:25 pm-7:20 am

1 stop13h 55m

$591

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Thu 9/10

3:00 pm-9:59 pm

1 stop11h 59m

Washington, D.C. Reagan-National

Tue 9/15

4:59 pm-8:00 am

1 stop10h 01m

$597

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Wed 10/21

11:45 am-10:25 pm

2 stops15h 40m

New York LaGuardia

Wed 10/28

3:00 pm-11:40 am

1 stop16h 40m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/8

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 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

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 $755). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of $1,131). 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 August 12, 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 August 12, 2026.

The most flights from LHR to USPA are scheduled on a Monday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip 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 $952 and $1,235 in September.
The cheapest round-trip price found within the last 5 days was $786 on Aer Lingus (Sep 25-Oct 3).

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 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 August 12, 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
1,697 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.5

Food

6.7

Overall

7.3

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Aer Lingus
7.3
Good
1,697 reviews
Aer Lingus
7.3
Good
1,697 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.5

Food

6.7

Overall

7.3

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
American Airlines
7.1
Good
11,919 reviews
Aer Lingus
7.3
Good
1,697 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.5

Food

6.7

Overall

7.3

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
British Airways
6.7
Okay
8,160 reviews
Aer Lingus
7.3
Good
1,697 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.5

Food

6.7

Overall

7.3

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

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 8h. London Heathrow Airport and Pennsylvania are separated by a distance of 3440 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 Aer Lingus, with whom users have recently found tickets for as low as $479. However, be on the lookout for offers from American Airlines and Finnair, 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 (86%), American Airlines (82%), Finnair( 82%).

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

    The cheapest flight price from London Heathrow Airport to Pennsylvania is $567. On average you can expect to pay $1,715. The most popular route, (London Heathrow - New York John F Kennedy Intl), can usually be booked for $445.

  • 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of $755). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of $1,131). 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 August 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$610Average$849FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$614Average$1,203FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$674Average$1,065FlexibilityNo cancel feeOn-timeN/A

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