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$191+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
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 February 4, 2026.

This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/67:25 pm
JFK
-
LHR
1 stop10h 25m
Icelandair
Mon 2/98:35 pm
LHR
-
JFK
1 stop26h 25m
Icelandair
Deal found 2/2$459
This Mytrip deal was found by Cheapflights users on 2/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:25 pm
JFK
-
LHR
1 stop10h 25m
Icelandair
Tue 3/312:15 pm
LHR
-
JFK
1 stop10h 45m
Icelandair
Deal found 2/4$460
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:25 pm
JFK
-
LHR
1 stop10h 25m
Icelandair
Wed 3/48:35 pm
LHR
-
JFK
1 stop26h 25m
Icelandair
Deal found 2/3$461
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:30 pm
JFK
-
LHR
1 stop10h 25m
Icelandair
Sat 5/239:25 pm
LHR
-
JFK
1 stop26h 55m
Icelandair
Deal found 2/2$462
This FlightHub deal was found by Cheapflights users on 2/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:25 pm
JFK
-
LHR
1 stop10h 25m
Icelandair
Tue 3/312:15 pm
LHR
-
JFK
1 stop10h 45m
Icelandair
Deal found 2/4$463
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:25 pm
JFK
-
LHR
1 stop19h 05m
Icelandair
Wed 4/159:25 pm
LHR
-
JFK
1 stop26h 55m
Icelandair
Deal found 2/3$464
This deal was found by Cheapflights users on 2/3. 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.
Tue 3/315:35 pm
LGA
-
LHR
1 stop11h 25m
Air Canada
Tue 4/79:30 am
LHR
-
LGA
1 stop15h 01m
Air Canada
Deal found 2/3$465
This FlightHub deal was found by Cheapflights users on 2/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:25 pm
JFK
-
LHR
1 stop19h 05m
Icelandair
Sun 3/88:35 pm
LHR
-
JFK
1 stop26h 25m
Icelandair
Deal found 2/3$465
This lastminute.com deal was found by Cheapflights users on 2/2. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/310:00 pm
JFK
-
LHR
1 stop14h 30m
TAP AIR PORTUGAL
Mon 2/98:15 am
LHR
-
JFK
1 stop16h 50m
TAP AIR PORTUGAL
Deal found 2/2$466
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 4/1711:25 pm
JFK
-
LHR
1 stop15h 40m
Multiple Airlines
Wed 4/229:55 am
LHR
-
JFK
1 stop16h 45m
Multiple Airlines
Deal found 2/3$467
This Flightnetwork deal was found by Cheapflights users on 2/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/27:25 pm
JFK
-
LHR
1 stop10h 25m
Icelandair
Mon 2/98:35 pm
LHR
-
JFK
1 stop26h 25m
Icelandair
Deal found 2/1$468
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/310:00 pm
JFK
-
LHR
1 stop18h 35m
TAP AIR PORTUGAL
Tue 2/106:00 am
LHR
-
JFK
1 stop19h 05m
TAP AIR PORTUGAL
Deal found 2/2$469

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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$459
(Kiwi.com)

One-way from

$191
(SmartFares)

Popular in

June

Cheapest in

September

Average price

$668

Good round-trip deal

$628 or less

Good one-way deal

$373 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. 19% potential increase in price ($194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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.
Search Deals

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 February 4, 2026.
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

Wed 4/22

11:25 pm-9:10 am

1 stop28h 45m

London Heathrow

Tue 4/28

8:50 pm-9:40 pm

1 stop29h 50m

$509

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 3/15

11:15 am-10:10 pm

Nonstop6h 55m

London Heathrow

Wed 3/18

7:10 am-3:05 pm

1 stop11h 55m

$509

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 3/13

9:25 am-8:35 pm

Nonstop7h 10m

London Heathrow

Tue 3/24

12:05 pm-9:30 pm

1 stop13h 25m

$512

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 3/16

11:40 pm-11:05 am

Nonstop7h 25m

London Heathrow

Tue 3/24

12:05 pm-9:30 pm

1 stop13h 25m

$512

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 2/23

9:10 am-9:20 pm

Nonstop7h 10m

London Heathrow

Wed 3/4

12:05 pm-8:30 pm

1 stop13h 25m

$512

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 3/12

11:45 pm-5:00 pm

1 stop13h 15m

London Heathrow

Tue 3/17

6:25 am-3:05 pm

1 stop12h 40m

$514

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 4/17

9:35 am-9:40 pm

Nonstop7h 05m

London Heathrow

Tue 4/28

10:20 am-7:10 pm

1 stop13h 50m

$514

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 4/23

9:35 am-9:40 pm

Nonstop7h 05m

London Heathrow

Sun 4/26

10:20 am-7:10 pm

1 stop13h 50m

$514

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 3/12

11:15 am-10:10 pm

Nonstop6h 55m

London Heathrow

Mon 4/13

10:20 am-7:10 pm

1 stop13h 50m

$514

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 4/24

9:35 am-9:40 pm

Nonstop7h 05m

London Heathrow

Mon 4/27

10:20 am-7:10 pm

1 stop13h 50m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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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, August is the cheapest month in which you can book a flight from Pennsylvania to London Heathrow Airport (average of $483). Flying from Pennsylvania to London Heathrow Airport in June is currently the most expensive (average of $869). 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 February 4, 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 February 4, 2026.

The most flights from USPA to LHR are scheduled on a Monday (10 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 6h 55m. 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 $131 on JetBlue. Other airlines that offer cheap prices include Icelandair from $161 and TAP AIR PORTUGAL from $198 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 (82%), American Airlines (76%) and Finnair (76%).

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

    The cheapest flight price from Pennsylvania to London Heathrow Airport is $244. On average you can expect to pay $1,961. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for $346.

  • 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 $483). Flying from Pennsylvania to London Heathrow Airport in June is currently the most expensive (average of $869). 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
Croydon
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
Boston to Heathrow flights
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Newark to Gatwick flights
John F Kennedy Intl to London City flights
Los Angeles to Heathrow flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to Stansted flights
San Francisco to Heathrow flights
Baltimore to Heathrow flights
Seattle to Heathrow flights
Dallas/Fort Worth to Heathrow flights
LaGuardia to Gatwick flights
Boston to Gatwick flights
John F Kennedy Intl to Luton flights
Atlanta to Heathrow flights
Orlando to Heathrow flights
Miami to Heathrow flights
Reagan-National to Heathrow flights
Boston to London City flights
Hobby to Heathrow flights
Newark to Stansted flights
Dulles Intl to Gatwick flights
Newark to London City flights
Denver to Heathrow flights
Newark to Luton flights
Dulles Intl to London City flights
Dulles Intl to Stansted flights
Boston to Stansted flights
Philadelphia to Heathrow flights
Baltimore to Gatwick flights
Minneapolis to Heathrow flights
O'Hare Intl to Gatwick flights
Los Angeles to Gatwick flights
Reagan-National to Gatwick flights
Austin to Heathrow flights
George Bush Intcntl to Heathrow flights
O'Hare Intl to London City flights
Tampa to Heathrow flights
San Francisco to Gatwick flights
O'Hare Intl to Stansted flights
Los Angeles to Stansted flights
Detroit to Heathrow flights
Seattle to Gatwick flights
Los Angeles to London City flights
Raleigh to Heathrow flights
Charlotte 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$219Average$805FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$295Average$692FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$492Average$716FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$506Average$790FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$513Average$860FlexibilityNo cancel feeOn-time71%
FinnairCheapest$515Average$933FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$522Average$770FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$560Average$883FlexibilityNo cancel feeOn-time69%
IberiaCheapest$593Average$849FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$647Average$1,083FlexibilityNo cancel feeOn-time67%

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