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$159+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Sep 2 — Sep 91
Tue 9/2
Tue 9/9
1 adult, Economy
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Cheap flight deals from Pennsylvania to Heathrow

Keep the following information in mind while searching for Pennsylvania to Heathrow flight deals. Data was last updated August 28, 2025.

Round-trip from

$416
(Trip.com)

One-way from

$159
(Gurufare)

Popular in

June

Cheapest in

February

Average price

$684

Good round-trip deal

$569 or less

Good one-way deal

$479 or less
From Pennsylvania to London Heathrow
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One-way flight from Pennsylvania to London Heathrow
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Highest demand for flights based on searches. 19% potential increase in price ($188 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Pennsylvania to London Heathrow.
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Price to beat on a one-way flight from Pennsylvania to London Heathrow.
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Find 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 August 28, 2025.

This Trip.com deal was found by Cheapflights users on 8/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:40 pmJFK - LHR
1 stop16h 35mIberia
Sun 10/58:55 amLHR - JFK
1 stop10h 35mIberia
Deal found 8/26$416
This oojo deal was found by Cheapflights users on 8/27. 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.
Fri 10/177:10 pmJFK - LHR
1 stop20h 20mBritish Airways
Sun 10/195:00 pmLHR - JFK
Nonstop7h 55mBritish Airways
Deal found 8/27$417
This eDestinos deal was found by Cheapflights users on 8/26. 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.
Thu 9/256:25 pmJFK - LHR
1 stop23h 15mAer Lingus
Thu 10/29:50 amLHR - JFK
1 stop12h 00mAer Lingus
Deal found 8/26$419
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:10 pmJFK - LHR
Nonstop7h 00mAmerican Airlines
Thu 11/206:15 amLHR - JFK
1 stop12h 05mAmerican Airlines
Deal found 8/27$423
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 12/1111:45 pmJFK - LHR
1 stop13h 15mMultiple Airlines
Tue 12/169:55 amLHR - JFK
1 stop17h 05mMultiple Airlines
Deal found 8/26$424
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/175:10 pmJFK - LHR
1 stop11h 25mScandinavian Airlines
Sun 10/196:40 amLHR - JFK
2 stops39h 20mScandinavian Airlines
Deal found 8/27$425
This LEVEL deal was found by Cheapflights users on 8/27. 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 11/1511:45 pmJFK - LHR
1 stop28h 25mLEVEL
Tue 11/189:55 amLHR - JFK
1 stop17h 05mLEVEL
Deal found 8/27$428
This LEVEL deal was found by Cheapflights users on 8/28. 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.
Sun 11/911:45 pmJFK - LHR
1 stop28h 25mLEVEL
Sun 11/169:55 amLHR - JFK
1 stop17h 05mLEVEL
Deal found 8/28$429
This LEVEL deal was found by Cheapflights users on 8/26. 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.
Sun 11/911:45 pmJFK - LHR
1 stop28h 25mLEVEL
Sat 11/158:50 pmLHR - JFK
1 stop30h 10mLEVEL
Deal found 8/26$430
This Ovago deal was found by Cheapflights users on 8/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:30 pmJFK - LHR
1 stop11h 25mMultiple Airlines
Sun 9/77:45 amLHR - JFK
1 stop10h 15mMultiple Airlines
Deal found 8/28$433
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/39:45 pmJFK - LHR
1 stop11h 35mMultiple Airlines
Sun 10/56:00 amLHR - JFK
1 stop11h 50mMultiple Airlines
Deal found 8/26$434
This Ticket deal was found by Cheapflights users on 8/27. 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 10/135:45 pmLGA - LHR
1 stop10h 50mLufthansa
Wed 10/222:05 pmLHR - LGA
1 stop10h 32mLufthansa
Deal found 8/27$460

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 August 28, 2025.
Use the filters below to find and compare flights from Pennsylvania to London Heathrow Airport that are best for you.

Fly from

Pennsylvania

Fly to

Heathrow

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 1/16

11:45 pm-8:05 pm

1 stop15h 20m

London Heathrow

Wed 1/21

9:55 am-10:00 pm

1 stop17h 05m

$430

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 11/9

11:45 pm-9:10 am

1 stop28h 25m

London Heathrow

Sat 11/15

8:50 pm-10:00 pm

1 stop30h 10m

$430

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 11/19

11:45 pm-6:00 pm

1 stop13h 15m

London Heathrow

Wed 11/26

9:55 am-10:00 pm

1 stop17h 05m

$457

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 11/18

11:45 pm-6:00 pm

1 stop13h 15m

London Heathrow

Thu 12/11

9:55 am-10:00 pm

1 stop17h 05m

$464

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 2/15

11:45 pm-9:10 am

1 stop28h 25m

London Heathrow

Sun 2/22

6:50 pm-10:00 pm

1 stop32h 10m

$468

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 11/7

9:50 pm-9:40 am

Nonstop6h 50m

London Heathrow

Thu 11/27

10:20 am-7:05 pm

1 stop13h 45m

$486

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 10/24

6:55 pm-4:00 pm

1 stop16h 05m

London Heathrow

Sun 10/26

1:55 pm-4:45 pm

2 stops30h 50m

$487

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 2/5

10:15 am-10:10 pm

Nonstop6h 55m

London Heathrow

Sun 2/8

10:20 am-7:05 pm

1 stop13h 45m

$487

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 2/2

6:30 pm-2:35 pm

1 stop15h 05m

London Heathrow

Tue 2/17

9:05 pm-1:25 pm

2 stops21h 20m

$493

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 11/13

6:30 pm-4:25 pm

1 stop16h 55m

London Heathrow

Thu 11/20

7:50 pm-1:35 pm

2 stops22h 45m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/28

Showing 1-10 of 60 results
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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

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

Currently, November is the cheapest month in which you can book a flight from Pennsylvania to London Heathrow Airport (average of $661). Flying from Pennsylvania to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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 August 28, 2025.

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 August 28, 2025.

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

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 10h. There are 3438 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 $159 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Air Canada from $218 and British Airways from $221 one-way.

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

    Most travelers choose New York John F Kennedy Intl - London Heathrow, Newark - 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 Aer Lingus (80%), American Airlines (67%) and Finnair (67%).

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

    The cheapest flight price from Pennsylvania to London Heathrow Airport is $413. On average you can expect to pay $1,891. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for $373.

  • 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, November is the cheapest month in which you can book a flight from Pennsylvania to London Heathrow Airport (average of $661). Flying from Pennsylvania to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Dartford
Dover
Stratford-upon-Avon
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Chelmsford
Bedford
Wembley
Folkestone

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Alternative routes for Pennsylvania to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to London City flights
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Dulles Intl to Gatwick flights
Philadelphia to Heathrow flights
Dulles Intl to London City flights
Hobby to Heathrow flights
Los Angeles to London City flights
Baltimore to Gatwick flights
George Bush Intcntl to Heathrow flights
Los Angeles to Gatwick flights
O'Hare Intl to Gatwick flights
LaGuardia to London City flights
San Francisco to Gatwick flights
Minneapolis to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Reagan-National to Gatwick flights
Orlando to Gatwick flights
O'Hare Intl to London City flights
Boston to Stansted flights
San Francisco to London City flights
Seattle to Gatwick flights
Tampa to Heathrow flights
Boston to Luton flights
Raleigh to Heathrow flights
Midway to Heathrow flights

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 August 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$219Average$761FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$499Average$746FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$504Average$669FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$511Average$777FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$516Average$861FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$556Average$807FlexibilityNo cancel feeOn-time67%
FinnairCheapest$581Average$820FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$583Average$812FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$605Average$778FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$634Average$887FlexibilityNo cancel feeOn-time69%

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