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$406+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
May 26 — Jun 21
Tue 5/26
Tue 6/2
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 April 26, 2026.

This deal was found by Cheapflights users on 4/21. 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 5/2012:00 pm
LHR
-
IAD
1 stop12h 25m
American Airlines
Mon 5/251:06 pm
IAD
-
LHR
1 stop14h 59m
American Airlines
Deal found 4/21$558
This deal was found by Cheapflights users on 4/21. 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 5/2012:00 pm
LHR
-
DCA
1 stop15h 15m
American Airlines
Mon 5/253:20 pm
DCA
-
LHR
1 stop15h 50m
American Airlines
Deal found 4/21$558
This TravelUp deal was found by Cheapflights users on 4/21. 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 5/76:50 am
LHR
-
JFK
1 stop11h 10m
Multiple Airlines
Sun 5/104:15 pm
JFK
-
LHR
1 stop10h 40m
Multiple Airlines
Deal found 4/21$559
This deal was found by Cheapflights users on 4/22. 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 6/2412:35 pm
LHR
-
IAD
Nonstop8h 15m
British Airways
Wed 7/87:15 pm
IAD
-
LHR
Nonstop7h 30m
British Airways
Deal found 4/22$563
This deal was found by Cheapflights users on 4/21. 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.
Fri 5/297:05 am
LHR
-
JFK
1 stop13h 35m
Scandinavian Airlines
Fri 6/195:10 pm
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 4/21$563
This deal was found by Cheapflights users on 4/22. 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.
Fri 6/2611:45 am
LHR
-
IAD
1 stop12h 33m
Delta
Sat 7/411:06 am
IAD
-
LHR
1 stop15h 04m
Delta
Deal found 4/22$564
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/77:05 am
LHR
-
JFK
1 stop13h 35m
Scandinavian Airlines
Mon 5/116:55 pm
JFK
-
LHR
1 stop16h 05m
Scandinavian Airlines
Deal found 4/22$564
This deal was found by Cheapflights users on 4/21. 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 5/205:05 pm
LHR
-
IAD
Nonstop8h 15m
British Airways
Sun 5/245:35 pm
IAD
-
LHR
Nonstop7h 45m
British Airways
Deal found 4/21$565
This Ticket deal was found by Cheapflights users on 4/21. 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 5/48:40 am
LHR
-
JFK
1 stop13h 25m
Virgin Atlantic
Mon 5/118:45 pm
JFK
-
LHR
Nonstop7h 05m
Virgin Atlantic
Deal found 4/21$565
This Expedia deal was found by Cheapflights users on 4/21. 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 4/306:00 am
LHR
-
JFK
1 stop11h 50m
SWISS
Wed 5/64:15 pm
JFK
-
LHR
1 stop10h 40m
SWISS
Deal found 4/21$566
This deal was found by Cheapflights users on 4/24. 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.
Fri 5/222:00 pm
LHR
-
IAD
Nonstop8h 25m
British Airways
Tue 6/95:40 pm
IAD
-
LHR
Nonstop7h 40m
British Airways
Deal found 4/24$567
This TravelUp deal was found by Cheapflights users on 4/21. 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 4/306:50 am
LHR
-
JFK
1 stop11h 10m
Multiple Airlines
Sun 5/1710:40 am
JFK
-
LHR
1 stop16h 55m
Multiple Airlines
Deal found 4/21$567

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 April 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$558

One-way from

$406
(Norse)

Popular in

December

Cheapest in

September

Average price

$844

Good round-trip deal

$869 or less

Good one-way deal

$708 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. 0% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 26, 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 - LGA

LHRLGA

London Heathrow

Thu 5/7

7:25 am-6:10 pm

2 stops15h 45m

New York LaGuardia

Thu 5/14

1:10 pm-8:30 am

1 stop14h 20m

$588

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Mon 5/11

7:05 am-1:15 pm

1 stop11h 10m

Newark

Wed 5/27

5:45 pm-9:35 pm

1 stop22h 50m

$604

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Tue 5/19

9:05 pm-1:15 pm

2 stops21h 10m

Newark

Thu 5/28

5:45 pm-4:25 pm

1 stop17h 40m

$606

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 9/26

8:50 pm-9:40 pm

1 stop29h 50m

New York John F Kennedy Intl

Sat 10/3

11:25 pm-9:10 am

1 stop28h 45m

$613

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Fri 10/16

7:50 pm-3:40 pm

1 stop24h 50m

New York John F Kennedy Intl

Thu 10/22

5:10 pm-9:35 am

1 stop11h 25m

$618

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Thu 5/14

12:15 pm-6:43 pm

1 stop11h 28m

New York LaGuardia

Sun 5/17

8:45 am-6:30 am

1 stop16h 45m

$624

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 9/10

10:35 am-3:40 pm

1 stop34h 05m

New York John F Kennedy Intl

Thu 9/17

6:55 pm-6:30 pm

1 stop18h 35m

$640

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Fri 5/29

9:05 pm-1:15 pm

2 stops21h 10m

Newark

Mon 6/1

5:15 pm-9:20 am

1 stop11h 05m

$655

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 5/7

4:40 pm-8:15 pm

Nonstop8h 35m

Washington, D.C. Dulles Intl

Tue 5/19

6:00 am-9:25 pm

1 stop10h 25m

$724

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 5/7

2:05 pm-9:55 pm

1 stop12h 50m

Washington, D.C. Reagan-National

Tue 5/19

7:00 am-9:25 pm

1 stop9h 25m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

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 April 26, 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 April 26, 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 April 26, 2026.
See what other customers who have flown with Aer Lingus,American Airlines, andIberia 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
1,528 reviews

Comfort

7.2

Crew

8.1

Food

6.6

Entertainment

7.0

Overall

7.3

Boarding

7.4

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
1,528 reviews
Aer Lingus
7.3
Good
1,528 reviews

Comfort

7.2

Crew

8.1

Food

6.6

Entertainment

7.0

Overall

7.3

Boarding

7.4

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
11,677 reviews
Aer Lingus
7.3
Good
1,528 reviews

Comfort

7.2

Crew

8.1

Food

6.6

Entertainment

7.0

Overall

7.3

Boarding

7.4

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.
Iberia
7.0
Good
3,196 reviews
Aer Lingus
7.3
Good
1,528 reviews

Comfort

7.2

Crew

8.1

Food

6.6

Entertainment

7.0

Overall

7.3

Boarding

7.4

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
7,914 reviews
Aer Lingus
7.3
Good
1,528 reviews

Comfort

7.2

Crew

8.1

Food

6.6

Entertainment

7.0

Overall

7.3

Boarding

7.4

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 11h 10m. London Heathrow Airport and Pennsylvania are separated by a distance of 3454 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 (79%), American Airlines (73%), Finnair( 73%).

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

    The cheapest flight price from London Heathrow Airport to Pennsylvania is $569. On average you can expect to pay $1,360. The most popular route, (London Heathrow - New York John F Kennedy Intl), can usually be booked for $463.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Heathrow to Pennsylvania

Discover the top 4 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 April 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$559Average$804FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$610Average$814FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$614Average$808FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$670Average$1,161FlexibilityNo cancel feeOn-timeN/A

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