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$175+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$480
(Mytrip)

One-way from

$175
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$736

Good round-trip deal

$714 or less

Good one-way deal

$537 or less
Provider with most accurate pricing for Philadelphia-London (LON) flight deals.
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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. 19% potential increase in price ($196 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2411:10 pmJFK - LHR
1 stop16h 10mIcelandair
Tue 4/299:25 pmLHR - JFK
1 stop26h 45mIcelandair
Deal found 3/27$480
This oojo deal was found by Cheapflights users on 3/27. 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.
Sun 5/115:10 pmJFK - LHR
1 stop16h 25mScandinavian Airlines
Mon 5/195:30 pmLHR - JFK
1 stop27h 10mScandinavian Airlines
Deal found 3/27$483
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2810:00 amJFK - LHR
2 stops30h 35mUnited Airlines
Sun 3/307:30 amLHR - JFK
2 stops43h 17mUnited Airlines
Deal found 3/27$491
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/265:45 pmLGA - LHR
1 stop11h 15mAir Canada
Sat 5/39:30 amLHR - LGA
1 stop10h 19mAir Canada
Deal found 3/27$498
This eDestinos deal was found by Cheapflights users on 3/26. 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.
Fri 4/2510:55 pmJFK - LHR
Nonstop7h 10mBritish Airways
Fri 5/24:20 pmLHR - JFK
Nonstop8h 05mBritish Airways
Deal found 3/26$498
This Flightnetwork deal was found by Cheapflights users on 3/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3110:05 pmJFK - LHR
1 stop18h 55mTAP AIR PORTUGAL
Wed 4/28:00 amLHR - JFK
1 stop17h 05mTAP AIR PORTUGAL
Deal found 3/27$510
This Gotogate deal was found by Cheapflights users on 3/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/263:40 pmJFK - LHR
2 stops13h 20mMultiple Airlines
Sun 5/118:45 amLHR - JFK
1 stop12h 50mMultiple Airlines
Deal found 3/27$523
This eDestinos deal was found by Cheapflights users on 3/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/262:59 pmJFK - LHR
1 stop10h 56mIberia
Sat 5/38:25 amLHR - JFK
Nonstop7h 45mIberia
Deal found 3/27$524
This Yatra.com deal was found by Cheapflights users on 3/27. 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 Yatra.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/279:00 amJFK - LHR
1 stop16h 30mAir Canada
Sun 5/46:50 amLHR - JFK
1 stop11h 10mAir Canada
Deal found 3/27$543
This United deal was found by Cheapflights users on 3/27. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/181:15 pmLGA - LHR
1 stop12h 05mUnited Airlines
Sun 4/279:30 amLHR - LGA
2 stops37h 45mUnited Airlines
Deal found 3/27$549
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/185:25 pmEWR - LHR
Nonstop7h 30mUnited Airlines
Wed 5/73:50 pmLHR - EWR
2 stops24h 27mUnited Airlines
Deal found 3/26$551
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:50 pmEWR - LHR
2 stops16h 10mScandinavian Airlines
Sat 4/263:35 pmLHR - EWR
2 stops26h 40mScandinavian Airlines
Deal found 3/27$552

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 March 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

Thu 4/24

11:10 pm-8:20 pm

1 stop16h 10m

London Heathrow

Tue 4/29

9:25 pm-7:10 pm

1 stop26h 45m

$480

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 5/11

5:10 pm-9:35 am

1 stop11h 25m

London Heathrow

Sun 5/18

7:50 pm-3:40 pm

1 stop24h 50m

$483

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 4/26

5:45 pm-10:00 am

1 stop11h 15m

London Heathrow

Sat 5/3

9:30 am-2:49 pm

1 stop10h 19m

$498

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 4/25

10:55 pm-11:05 am

Nonstop7h 10m

London Heathrow

Fri 5/2

4:20 pm-7:25 pm

Nonstop8h 05m

$498

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 4/27

9:00 am-6:30 am

1 stop16h 30m

London Heathrow

Sun 5/11

6:00 am-4:35 pm

1 stop15h 35m

$516

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 4/26

2:59 pm-6:55 am

1 stop10h 56m

London Heathrow

Sat 5/3

8:25 am-11:10 am

Nonstop7h 45m

$524

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 9/21

10:05 pm-5:45 pm

1 stop14h 40m

London Heathrow

Wed 9/24

7:50 pm-8:05 pm

1 stop29h 15m

$525

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 4/22

9:00 am-10:00 am

1 stop20h 00m

London Heathrow

Tue 4/29

8:45 am-12:50 pm

1 stop33h 05m

$539

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 4/29

8:10 am-8:00 pm

Nonstop6h 50m

London Heathrow

Thu 5/8

8:10 pm-11:00 pm

Nonstop7h 50m

$540

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 4/27

9:00 am-6:30 am

1 stop16h 30m

London Heathrow

Sun 5/4

6:50 am-1:00 pm

1 stop11h 10m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 $1,115). 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 March 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.

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 March 28, 2025.
See what other customers who have flown with Delta, KLM and Azores 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
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
1,321 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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.
Azores Airlines
7.6
Good
63 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7.5
Good
769 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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 $175 on Icelandair. Other airlines that offer cheap prices include Brussels Airlines from $230 and Virgin Atlantic from $231 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 (77%), American Airlines (75%) and Finnair (75%).

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

    The cheapest flight price from Pennsylvania to London Heathrow Airport is $460. On average you can expect to pay $2,245. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for $293.

  • 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 $1,115). 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
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Gatwick
Dover
Orpington
Watford
Milton Keynes
Northampton
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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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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San Francisco to Gatwick flights
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San Francisco to London City flights
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Sky Harbor Intl to Heathrow flights
O'Hare Intl to Gatwick flights
Austin to Heathrow flights
Boston to Stansted flights
O'Hare Intl to London City flights
Baltimore to Stansted flights
John F Kennedy Intl to Luton flights
Tampa to Heathrow flights
Los Angeles to Gatwick flights
Seattle to Gatwick flights
Minneapolis to Heathrow flights
Orlando to Gatwick flights
Charlotte to Heathrow flights
Dallas/Fort Worth to Gatwick 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$501Average$796FlexibilityNo cancel feeOn-time72%
IcelandairCheapest$503Average$740FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$550Average$799FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$575Average$878FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$594Average$830FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$604Average$843FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$612Average$880FlexibilityNo cancel feeOn-time71%
DeltaCheapest$614Average$754FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$616Average$773FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$638Average$812FlexibilityNo cancel feeOn-time70%
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