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$205+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 June 18, 2025.

Round-trip from

$509
(Mytrip)

One-way from

$205
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$1,156

Good round-trip deal

$667 or less

Good one-way deal

$463 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 ($198 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 18, 2025.

This United Airlines deal was found by Cheapflights users on 6/18. 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 11/19:45 amJFK - LHR
1 stop22h 05mUnited Airlines
Wed 11/197:40 amLHR - JFK
1 stop13h 00mUnited Airlines
Deal found 6/18$509
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:00 amLGA - LHR
1 stop23h 40mUnited Airlines
Fri 8/292:05 pmLHR - LGA
1 stop31h 54mUnited Airlines
Deal found 6/16$510
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:00 pmJFK - LHR
Nonstop7h 25mDelta
Wed 8/203:20 pmLHR - JFK
1 stop12h 20mDelta
Deal found 6/16$510
This lastminute.com deal was found by Cheapflights users on 6/18. 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.
Sun 8/106:59 pmLGA - LHR
1 stop10h 31mVirgin Atlantic
Tue 8/199:40 amLHR - LGA
1 stop10h 44mVirgin Atlantic
Deal found 6/18$511
This Gotogate deal was found by Cheapflights users on 6/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:30 pmLGA - LHR
1 stop10h 00mLufthansa
Tue 10/142:05 pmLHR - LGA
1 stop10h 32mLufthansa
Deal found 6/16$512
This CheapOair deal was found by Cheapflights users on 6/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/204:55 pmJFK - LHR
1 stop10h 05mAer Lingus
Fri 9/51:25 pmLHR - JFK
1 stop10h 55mAer Lingus
Deal found 6/18$512
This Virgin Atlantic deal was found by Cheapflights users on 6/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/112:19 pmJFK - LHR
1 stop11h 26mVirgin Atlantic
Wed 8/203:20 pmLHR - JFK
1 stop12h 20mVirgin Atlantic
Deal found 6/16$514
This FlightHub deal was found by Cheapflights users on 6/18. 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.
Fri 8/228:25 pmJFK - LHR
1 stop10h 30mIcelandair
Mon 8/259:25 pmLHR - JFK
1 stop29h 45mIcelandair
Deal found 6/18$515
This Finnair deal was found by Cheapflights users on 6/18. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/109:30 pmJFK - LHR
Nonstop7h 10mFinnair
Tue 8/195:00 pmLHR - JFK
Nonstop7h 55mFinnair
Deal found 6/18$517
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/113:30 pmLGA - LHR
1 stop10h 40mAir Canada
Tue 11/181:25 pmLHR - LGA
1 stop10h 38mAir Canada
Deal found 6/17$519
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 9/166:45 pmJFK - LHR
Nonstop7h 05mBritish Airways
Fri 9/268:25 amLHR - JFK
Nonstop7h 45mBritish Airways
Deal found 6/18$521
This Mytrip deal was found by Cheapflights users on 6/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/218:30 pmJFK - LHR
1 stop14h 55mSWISS
Wed 7/306:00 amLHR - JFK
1 stop11h 50mSWISS
Deal found 6/16$523

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 June 18, 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

Sat 11/1

9:45 am-11:20 am

1 stop21h 35m

London Heathrow

Mon 11/17

8:45 am-3:40 pm

1 stop11h 55m

$509

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 8/11

10:00 pm-10:15 am

Nonstop7h 15m

London Heathrow

Wed 8/20

3:20 pm-10:40 pm

1 stop12h 20m

$510

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 8/20

6:00 am-10:40 am

1 stop23h 40m

London Heathrow

Fri 8/29

2:05 pm-4:59 pm

1 stop31h 54m

$510

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 8/10

6:59 pm-10:30 am

1 stop10h 31m

London Heathrow

Tue 8/19

9:40 am-3:24 pm

1 stop10h 44m

$511

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 10/1

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Tue 10/14

2:05 pm-7:37 pm

1 stop10h 32m

$512

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 8/20

4:55 pm-8:00 am

1 stop10h 05m

London Heathrow

Fri 9/5

1:25 pm-7:20 pm

1 stop10h 55m

$512

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 8/11

2:19 pm-6:45 am

1 stop11h 26m

London Heathrow

Wed 8/20

3:20 pm-10:40 pm

1 stop12h 20m

$514

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 8/22

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Mon 8/25

9:25 pm-10:10 pm

1 stop29h 45m

$515

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 8/10

9:30 pm-9:40 am

Nonstop7h 10m

London Heathrow

Tue 8/19

5:00 pm-7:55 pm

Nonstop7h 55m

$517

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 11/11

3:30 pm-7:10 am

1 stop10h 40m

London Heathrow

Tue 11/18

1:25 pm-7:03 pm

1 stop10h 38m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

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 $1,106). 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 June 18, 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 June 18, 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 June 18, 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
7,964 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,364 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
804 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,292 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,467 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $205 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $213 and Air Canada from $218 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 (87%), American Airlines (86%) and Finnair (86%).

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

    The cheapest flight price from Pennsylvania to London Heathrow Airport is $436. On average you can expect to pay $1,833. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for $375.

  • 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 $1,106). 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
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood
Chichester

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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
John F Kennedy Intl to Gatwick flights
Newark to Heathrow flights
John F Kennedy Intl to London City flights
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LaGuardia to Heathrow flights
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Newark to Gatwick flights
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Seattle to Heathrow flights
O'Hare Intl to Heathrow flights
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LaGuardia to Gatwick flights
John F Kennedy Intl to Stansted flights
Boston to Gatwick flights
Newark to London City flights
Atlanta to Heathrow flights
Miami to Heathrow flights
John F Kennedy Intl to Luton flights
Dulles Intl to Gatwick flights
Denver to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
Philadelphia to Heathrow flights
Boston to London City flights
Los Angeles to London City flights
Reagan-National to Gatwick flights
Baltimore to Gatwick flights
Orlando to Heathrow flights
Seattle to Gatwick flights
Los Angeles to Gatwick flights
Hobby to Heathrow flights
Newark to Stansted flights
San Francisco to Gatwick flights
Minneapolis to Heathrow flights
O'Hare Intl to Gatwick flights
Dallas/Fort Worth to Gatwick flights
O'Hare Intl to London City flights
Detroit to Heathrow flights
San Francisco to London City flights
Newark to Luton flights
Seattle to London City flights
George Bush Intcntl to Heathrow flights
Portland to Heathrow flights
Tampa to Heathrow flights
Charlotte to Heathrow flights
Sky Harbor Intl to Heathrow flights
Raleigh 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$487Average$656FlexibilityNo cancel feeOn-time76%
DeltaCheapest$533Average$746FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$547Average$736FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$587Average$813FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$588Average$851FlexibilityNo cancel feeOn-time71%
FinnairCheapest$604Average$824FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$608Average$803FlexibilityNo cancel feeOn-time67%
IberiaCheapest$611Average$784FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$625Average$797FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$634Average$882FlexibilityNo cancel feeOn-time69%

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