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$188+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$515
(FlightHub)

One-way from

$188
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$878

Good round-trip deal

$738 or less

Good one-way deal

$499 or less
Provider with most accurate pricing for Philadelphia-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-London (LON) flights.
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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. 18% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This FlightHub deal was found by Cheapflights users on 4/29. 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.
Thu 7/318:25 pmJFK - LHR
1 stop10h 30mIcelandair
Sat 9/69:25 pmLHR - JFK
1 stop29h 45mIcelandair
Deal found 4/29$514
This Scandinavian Airlines deal was found by Cheapflights users on 4/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:55 pmJFK - LHR
1 stop16h 05mScandinavian Airlines
Tue 8/267:05 amLHR - JFK
1 stop13h 35mScandinavian Airlines
Deal found 4/28$515
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:30 pmJFK - LHR
Nonstop7h 00mIberia
Thu 9/256:05 pmLHR - JFK
Nonstop7h 55mIberia
Deal found 4/29$516
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/167:25 pmJFK - LHR
1 stop13h 15mSWISS
Sun 5/186:00 amLHR - JFK
1 stop11h 50mSWISS
Deal found 4/29$517
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/177:30 pmJFK - LHR
Nonstop7h 15mBritish Airways
Wed 8/272:10 pmLHR - JFK
Nonstop7h 55mBritish Airways
Deal found 4/30$523
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/811:10 pmJFK - LHR
1 stop16h 10mMultiple Airlines
Tue 5/138:50 pmLHR - JFK
1 stop29h 50mMultiple Airlines
Deal found 4/30$525
This Ticket deal was found by Cheapflights users on 4/28. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/83:50 pmLGA - LHR
1 stop12h 45mAir Canada
Thu 5/159:30 amLHR - LGA
1 stop10h 18mAir Canada
Deal found 4/28$529
This Gotogate deal was found by Cheapflights users on 4/29. 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.
Sun 9/710:30 amLGA - LHR
2 stops15h 00mMultiple Airlines
Sun 10/56:50 amLHR - LGA
2 stops12h 57mMultiple Airlines
Deal found 4/29$534
This lol.travel deal was found by Cheapflights users on 4/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/139:00 pmJFK - LHR
Nonstop7h 15mVirgin Atlantic
Sun 5/186:50 pmLHR - JFK
Nonstop7h 39mVirgin Atlantic
Deal found 4/29$538
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 8/103:30 pmJFK - LHR
1 stop11h 20mAmerican Airlines
Thu 8/214:20 pmLHR - JFK
Nonstop8h 05mAmerican Airlines
Deal found 4/29$549
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/139:00 amJFK - LHR
1 stop16h 30mUnited Airlines
Thu 5/227:45 amLHR - JFK
1 stop10h 15mUnited Airlines
Deal found 4/29$552
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:00 amLGA - LHR
1 stop23h 40mUnited Airlines
Sat 8/239:30 amLHR - LGA
1 stop29h 01mUnited Airlines
Deal found 4/29$556

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 1, 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

Thu 7/31

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Sat 9/6

9:25 pm-10:10 pm

1 stop29h 45m

$514

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 8/20

6:55 pm-4:00 pm

1 stop16h 05m

London Heathrow

Thu 8/28

7:05 am-3:40 pm

1 stop13h 35m

$515

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 9/16

9:45 am-9:40 pm

Nonstop6h 55m

London Heathrow

Tue 9/30

10:00 am-12:45 pm

Nonstop7h 45m

$516

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 5/16

7:25 pm-1:40 pm

1 stop13h 15m

London Heathrow

Sun 5/18

6:00 am-12:50 pm

1 stop11h 50m

$517

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 8/17

7:30 pm-7:45 am

Nonstop7h 15m

London Heathrow

Wed 8/27

2:10 pm-5:05 pm

Nonstop7h 55m

$523

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 5/13

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Sun 5/18

8:30 am-6:31 pm

1 stop15h 01m

$533

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 9/7

10:30 am-6:30 am

2 stops15h 00m

London Heathrow

Sun 10/5

6:50 am-2:47 pm

2 stops12h 57m

$534

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 5/13

3:40 pm-9:35 am

1 stop12h 55m

London Heathrow

Sun 5/18

6:00 am-12:50 pm

1 stop11h 50m

$537

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 5/13

9:00 pm-9:15 am

Nonstop7h 15m

London Heathrow

Sun 5/18

6:50 pm-9:29 pm

Nonstop7h 39m

$538

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 5/13

9:00 am-6:35 am

2 stops16h 35m

London Heathrow

Tue 9/16

8:45 am-9:45 pm

2 stops18h 00m

$546

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 $1,103). 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 1, 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 May 1, 2025.

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

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated May 1, 2025.
See what other customers who have flown with Delta, KLM and Austrian Airlines from Pennsylvania to London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 $188 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $248 and Virgin Atlantic from $286 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 Malaysia Airlines (76%), 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 $395. On average you can expect to pay $1,220. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for $399.

  • 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 $1,103). 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 Pennsylvania?

Book flights to Pennsylvania if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

Browse thousands of different options on Cheapflights for your next trip

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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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John F Kennedy Intl to Luton flights
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O'Hare Intl to Gatwick flights
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O'Hare Intl to London City flights
Seattle to London City 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$501Average$753FlexibilityNo cancel feeOn-time72%
IcelandairCheapest$503Average$725FlexibilityNo cancel feeOn-time76%
DeltaCheapest$533Average$762FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$547Average$765FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$575Average$892FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$587Average$817FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$604Average$829FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$612Average$859FlexibilityNo cancel feeOn-time71%
IberiaCheapest$612Average$779FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$637Average$804FlexibilityNo cancel feeOn-time70%

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