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Cheap flights from London Heathrow Airport to Pennsylvania from £278

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PHL
28 Apr — 5 May1
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
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 29 March 2026.

Mon 13/410:45
LHR
-
JFK
1 stop16h 15m
Delta
Wed 20/520:15
JFK
-
LHR
Nonstop7h 35m
Delta
Deal found 24/3£360
Tue 14/411:35
LHR
-
JFK
Nonstop7h 50m
British Airways
Sun 19/420:20
JFK
-
LHR
Nonstop7h 10m
British Airways
Deal found 26/3£365
Mon 13/410:20
LHR
-
JFK
1 stop11h 40m
Scandinavian Airlines
Sun 24/517:10
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 24/3£366
Mon 27/420:00
LHR
-
JFK
1 stop27h 55m
Iberia
Mon 4/519:20
JFK
-
LHR
Nonstop7h 00m
Iberia
Deal found 28/3£366
Wed 15/407:05
LHR
-
JFK
1 stop13h 35m
Scandinavian Airlines
Tue 26/517:10
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 24/3£367
Thu 16/407:05
LHR
-
JFK
1 stop13h 35m
Scandinavian Airlines
Tue 26/517:10
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 24/3£368
Mon 13/411:00
LHR
-
LGA
1 stop12h 49m
American Airlines
Fri 22/517:29
LGA
-
LHR
1 stop9h 31m
American Airlines
Deal found 24/3£369
Sat 16/510:20
LHR
-
JFK
1 stop11h 40m
Scandinavian Airlines
Wed 3/617:10
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 27/3£369
Mon 27/418:10
LHR
-
JFK
1 stop30h 00m
Multiple Airlines
Mon 4/519:20
JFK
-
LHR
Nonstop7h 00m
Multiple Airlines
Deal found 28/3£372
Mon 18/520:50
LHR
-
JFK
1 stop30h 10m
LEVEL
Mon 25/523:45
JFK
-
LHR
1 stop28h 25m
LEVEL
Deal found 28/3£373
Thu 16/417:25
LHR
-
JFK
Nonstop7h 55m
British Airways
Fri 22/518:30
JFK
-
LHR
Nonstop7h 10m
British Airways
Deal found 24/3£375
Tue 14/409:30
LHR
-
LGA
1 stop10h 28m
Air Canada
Wed 20/517:40
LGA
-
LHR
1 stop11h 20m
Air Canada
Deal found 24/3£378

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 29 March 2026.

Round-trip from

£360

One-way from

£278

Popular in

December

Cheapest in

September

Average price

£620

Good round-trip deal

£582 or less

Good one-way deal

£457 or less
Delta
  • Delta
  • 13/4-20/5
  • 1 total stop
  • 23h 50m total
  • London to Pennsylvania
Search Deals
17/4
  • 17/4
  • 2 total stops
  • 30h 40m total
  • London to Pennsylvania
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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

 
Customise 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 858,174 searches. Data last updated 29 March 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 return flight

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 1/6

06:55-19:25

1 stop17h 30m

Washington, D.C. Dulles Intl

Thu 18/6

06:33-21:35

1 stop10h 02m

£421

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Tue 1/9

06:00-14:00

1 stop13h 00m

Washington, D.C. Dulles Intl

Wed 9/9

18:35-06:55

Nonstop7h 20m

£421

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 16/9

08:40-16:45

1 stop13h 05m

Washington, D.C. Dulles Intl

Mon 28/9

16:00-06:35

1 stop9h 35m

£425

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Thu 7/5

12:10-20:15

1 stop13h 05m

Newark

Mon 11/5

19:45-10:40

1 stop9h 55m

£427

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 7/5

07:05-15:40

1 stop13h 35m

New York John F Kennedy Intl

Mon 11/5

18:55-16:25

2 stops16h 30m

£427

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 20/4

07:05-15:40

1 stop13h 35m

New York John F Kennedy Intl

Mon 27/4

18:55-14:35

2 stops14h 40m

£427

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 13/4

19:50-15:40

1 stop24h 50m

New York John F Kennedy Intl

Mon 20/4

18:55-16:25

2 stops16h 30m

£427

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Wed 29/4

19:30-13:55

1 stop23h 25m

Newark

Wed 6/5

20:45-09:20

Nonstop7h 35m

£428

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Thu 16/4

12:10-20:15

1 stop13h 05m

Newark

Wed 29/4

21:45-16:25

1 stop13h 40m

£430

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sun 3/5

06:50-18:43

2 stops16h 53m

New York LaGuardia

Mon 11/5

14:10-08:30

1 stop13h 20m

£437

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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
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, April is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of £326). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £498). 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 29 March 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.

How much does it cost for a return flight 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 29 March 2026.
Read reviews from past customers who have flown with Finnair,United Airlines, andAer Lingus from London Heathrow Airport to Pennsylvania. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.7
Good
1,375 reviews
Check prices

Crew

8.2

Food

6.7

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.7
Good
1,375 reviews
Finnair
7.7
Good
1,375 reviews
Check prices

Crew

8.2

Food

6.7

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,510 reviews
Finnair
7.7
Good
1,375 reviews
Check prices

Crew

8.2

Food

6.7

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Aer Lingus
7.2
Good
1,492 reviews
Finnair
7.7
Good
1,375 reviews
Check prices

Crew

8.2

Food

6.7

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Iberia
7.0
Good
3,160 reviews
Finnair
7.7
Good
1,375 reviews
Check prices

Crew

8.2

Food

6.7

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Overall

7.7

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
7,830 reviews
Finnair
7.7
Good
1,375 reviews
Check prices

Crew

8.2

Food

6.7

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Overall

7.7

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

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?

    Lufthansa, British Airways, and SWISS can get you from London Heathrow Airport to Pennsylvania in just under 8h 15m. Your travel time can differ by up to 7h 30m. The distance from London Heathrow Airport to Pennsylvania is about 3664 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 £328 on JetBlue. Other airlines that offer cheap prices include British Airways from £398 and Iberia from £399 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 (87%), American Airlines (80%), Finnair( 80%).

  • 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 £1,028, our data indicates the cheapest price to be £444. The most popular route (London Heathrow - New York John F Kennedy Intl), is priced around £338.

  • 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, April is the cheapest month in which you can book a flight from London Heathrow Airport to Pennsylvania (average of £326). Flying from London Heathrow Airport to Pennsylvania in August is currently the most expensive (average of £498). 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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Alternative routes for Heathrow to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Heathrow to Los Angeles flights
Gatwick to Newark flights
Stansted to John F Kennedy Intl flights
London City to John F Kennedy Intl flights
Heathrow to Orlando flights
Gatwick to LaGuardia flights
Luton to John F Kennedy Intl flights
Heathrow to Boston flights
Heathrow to Miami flights
Heathrow to San Francisco flights
Stansted to Newark flights
Heathrow to Las Vegas flights
Luton to Newark flights
Heathrow to O'Hare Intl flights
Gatwick to Orlando flights
London City to Newark flights
Heathrow to Dulles Intl flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Seattle flights
Heathrow to Hobby flights
Heathrow to Atlanta flights
Stansted to Los Angeles flights
Gatwick to Boston flights
Gatwick to Los Angeles flights
London City to Los Angeles flights
Heathrow to Baltimore flights
Gatwick to Miami flights
Stansted to Orlando flights
Stansted to Miami flights
Gatwick to San Francisco flights
Heathrow to George Bush Intcntl flights
Luton to Los Angeles flights
Stansted to San Francisco flights
London City to Miami flights
Heathrow to Ontario flights
Heathrow to Nashville flights
London City to Boston flights
Stansted to Boston flights
Heathrow to Denver flights
London City to San Francisco flights
Heathrow to Philadelphia flights
Stansted to LaGuardia flights
London City to Orlando flights
Heathrow to Tampa flights
Gatwick to Las Vegas flights
Luton to Miami flights

Top 10 airlines flying from Heathrow to Pennsylvania

Discover the top 10 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 858,174 searches. Data last updated 29 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£305Average£503FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£342Average£536FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£390Average£506FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£417Average£537FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£424Average£588FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£459Average£632FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£462Average£624FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£462Average£607FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£464Average£683FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£466Average£613FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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