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$290+ Cheap flights from Pennsylvania to Heathrow (LHR)

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
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Cheap flight deals from Pennsylvania to Heathrow

Cheapest flights from Pennsylvania to Heathrow
Explore the most affordable flight options available from Pennsylvania to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.

This Orbitz deal was found by Cheapflights users on 5/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:00 pm
JFK
-
LHR
1 stop14h 30m
TAP AIR PORTUGAL
Wed 11/188:15 am
LHR
-
JFK
1 stop16h 50m
TAP AIR PORTUGAL
Deal found 5/13$672
This Indian Eagle deal was found by Cheapflights users on 5/13. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:55 pm
JFK
-
LHR
1 stop33h 25m
Scandinavian Airlines
Thu 8/207:05 am
LHR
-
JFK
1 stop13h 35m
Scandinavian Airlines
Deal found 5/13$674
This oojo deal was found by Cheapflights users on 5/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:30 pm
JFK
-
LHR
1 stop18h 50m
Icelandair
Mon 9/71:05 pm
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 5/13$678
This oojo deal was found by Cheapflights users on 5/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:10 pm
JFK
-
LHR
1 stop16h 10m
Icelandair
Mon 9/149:25 pm
LHR
-
JFK
1 stop29h 40m
Icelandair
Deal found 5/15$679
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/13. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:05 pm
JFK
-
LHR
1 stop18h 55m
TAP AIR PORTUGAL
Mon 10/197:50 pm
LHR
-
JFK
1 stop29h 15m
TAP AIR PORTUGAL
Deal found 5/13$680
This Gotogate deal was found by Cheapflights users on 5/17. 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.
Tue 11/310:00 pm
JFK
-
LHR
1 stop19h 40m
TAP AIR PORTUGAL
Sun 11/87:55 pm
LHR
-
JFK
1 stop29h 10m
TAP AIR PORTUGAL
Deal found 5/17$681
This BusinessClass deal was found by Cheapflights users on 5/17. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:00 pm
JFK
-
LHR
1 stop14h 30m
TAP AIR PORTUGAL
Thu 11/2612:25 pm
LHR
-
JFK
1 stop12h 40m
TAP AIR PORTUGAL
Deal found 5/17$682
This BusinessClass deal was found by Cheapflights users on 5/15. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:05 pm
JFK
-
LHR
1 stop15h 45m
TAP AIR PORTUGAL
Mon 10/1211:20 am
LHR
-
JFK
1 stop13h 45m
TAP AIR PORTUGAL
Deal found 5/15$683
This oojo deal was found by Cheapflights users on 5/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:25 pm
JFK
-
LHR
1 stop19h 05m
Icelandair
Sun 11/298:35 pm
LHR
-
JFK
1 stop26h 25m
Icelandair
Deal found 5/16$684
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 7/1611:50 pm
JFK
-
LHR
1 stop15h 15m
LEVEL
Fri 11/209:55 am
LHR
-
JFK
1 stop17h 05m
LEVEL
Deal found 5/15$685
This FlipMilhas deal was found by Cheapflights users on 5/16. 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 FlipMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:20 pm
JFK
-
LHR
Nonstop7h 00m
GOL
Sat 5/302:10 pm
LHR
-
JFK
Nonstop7h 50m
GOL
Deal found 5/16$686
This Super.com deal was found by Cheapflights users on 5/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:30 pm
JFK
-
LHR
1 stop10h 25m
Icelandair
Tue 10/131:05 pm
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 5/13$687

Find flight deals from Pennsylvania to Heathrow

Keep the following information in mind while searching for Pennsylvania to Heathrow flight deals. Data was last updated May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$672
(Orbitz)

One-way from

$290
(oojo)

Popular in

June

Cheapest in

September

Average price

$884

Good round-trip deal

$1,091 or less

Good one-way deal

$394 or less
Provider with most accurate pricing for Philadelphia-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-London (LON) flights.
Search Deals
From Pennsylvania to London Heathrow
Search Deals
One-way flight from Pennsylvania to London Heathrow
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 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 Pennsylvania to London Heathrow.
Search Deals
Price to beat on a one-way flight from Pennsylvania to London Heathrow.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Heathrow 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 18, 2026.
Use the filters below to find and compare flights from Pennsylvania to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 11/4

11:45 pm-8:05 pm

1 stop15h 20m

London Heathrow

Wed 11/11

9:55 am-10:00 pm

1 stop17h 05m

$685

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 8/19

11:40 pm-12:05 pm

Nonstop7h 25m

London Heathrow

Wed 9/16

11:45 am-5:05 pm

1 stop10h 20m

$756

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 7/31

11:40 pm-12:05 pm

Nonstop7h 25m

London Heathrow

Sat 8/22

6:35 pm-9:50 pm

Nonstop8h 15m

$763

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 8/18

6:55 pm-2:35 pm

2 stops14h 40m

London Heathrow

Sat 8/22

6:40 am-5:00 pm

1 stop15h 20m

$771

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 10/20

10:40 pm-10:35 am

Nonstop6h 55m

London Heathrow

Tue 11/3

10:20 am-7:05 pm

1 stop13h 45m

$773

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 10/7

8:20 pm-8:30 am

Nonstop7h 10m

London Heathrow

Tue 10/13

10:20 am-7:10 pm

1 stop13h 50m

$773

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 10/10

7:20 pm-7:20 am

Nonstop7h 00m

London Heathrow

Tue 10/27

7:30 am-8:05 pm

1 stop16h 35m

$773

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 10/8

9:35 am-9:40 pm

Nonstop7h 05m

London Heathrow

Mon 10/12

7:35 am-12:30 pm

1 stop9h 55m

$789

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 7/30

8:15 am-8:10 pm

Nonstop6h 55m

London Heathrow

Fri 9/4

11:45 am-5:05 pm

1 stop10h 20m

$795

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 8/4

5:30 pm-8:00 am

1 stop9h 30m

London Heathrow

Fri 8/14

8:20 am-11:10 am

Nonstop7h 50m

$797

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Pennsylvania to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Pennsylvania 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 Pennsylvania to London Heathrow Airport

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

To ensure you get the cheapest price possible for a flight from Pennsylvania to London Heathrow Airport, you should look to book at least 21 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.

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

Currently, August is the cheapest month in which you can book a flight from Pennsylvania to London Heathrow Airport (average of $90). Flying from Pennsylvania to London Heathrow Airport in September is currently the most expensive (average of $1,714). 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 PA to LHR?

Find hourly flight availability from Pennsylvania to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 18, 2026.

When flying from Pennsylvania to London Heathrow Airport, 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 Pennsylvania to London Heathrow Airport

Explore weekly flight availability from Pennsylvania to Heathrow. 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 18, 2026.

The most flights from USPA to LHR are scheduled on a Monday (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Pennsylvania to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Heathrow. 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 Pennsylvania to London Heathrow Airport?

    Departing from Pennsylvania to London Heathrow Airport will take you 7h 25m. There are 3440 mi between Pennsylvania and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $161 on Icelandair. Other airlines that offer cheap prices include JetBlue from $174 and TAP AIR PORTUGAL from $198 one-way.

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

    Most travelers choose Newark - London Heathrow, New York John F Kennedy Intl - London Heathrow or New York LaGuardia - London Heathrow when deciding on the best route from Pennsylvania to London Heathrow Airport.

  • What are the most reliable airlines from Pennsylvania to London Heathrow Airport?

    The top 3 most reliable airlines when flying from Pennsylvania to London Heathrow Airport are Malaysia Airlines (98%), Iberia (96%) and American Airlines (94%).

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

    The cheapest flight price from Pennsylvania to London Heathrow Airport is $350. On average you can expect to pay $1,621. The most popular route, (Newark - London Heathrow), can usually be booked for $580.

  • Can I find deals for flights from Pennsylvania to Heathrow that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Heathrow.

  • Can I find deals for business class flights from Pennsylvania to Heathrow?

    Yes. Cheapflights offers flight deals from Pennsylvania to Heathrow 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 Pennsylvania to London Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Pennsylvania to London Heathrow Airport (average of $90). Flying from Pennsylvania to London Heathrow Airport in September is currently the most expensive (average of $1,714). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Pennsylvania to Heathrow

Discover the top 10 airlines that operate flights from Pennsylvania to Heathrow. 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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$219Average$918FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$295Average$738FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$479Average$746FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$485Average$813FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$500Average$833FlexibilityNo cancel feeOn-time70%
FinnairCheapest$513Average$846FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$515Average$908FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$560Average$940FlexibilityNo cancel feeOn-time69%
IberiaCheapest$567Average$956FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$647Average$1,213FlexibilityNo cancel feeOn-time67%

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