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$184+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$506
(Kiwi.com)

One-way from

$188
(Icelandair)

Popular in

June

Cheapest in

February

Average price

$758

Good round-trip deal

$716 or less

Good one-way deal

$495 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 ($181 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 April 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 April 22, 2025.

This Lufthansa deal was found by Cheapflights users on 4/22. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/259:45 pmJFK - LHR
1 stop11h 35mMultiple Airlines
Sun 4/277:25 amLHR - JFK
1 stop12h 35mMultiple Airlines
Deal found 4/22$503
This FlightHub deal was found by Cheapflights users on 4/21. 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 4/2811:10 pmJFK - LHR
1 stop16h 10mIcelandair
Fri 5/91:05 pmLHR - JFK
1 stop14h 05mIcelandair
Deal found 4/21$504
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 4/254:15 pmJFK - LHR
2 stops16h 25mSWISS
Sun 4/278:45 amLHR - JFK
1 stop12h 50mSWISS
Deal found 4/21$506
This Ticket deal was found by Cheapflights users on 4/21. 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 5/126:50 pmLGA - LHR
1 stop10h 10mAir Canada
Wed 5/219:30 amLHR - LGA
1 stop10h 18mAir Canada
Deal found 4/21$514
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/26:10 pmJFK - LHR
1 stop11h 05mBrussels Airlines
Sun 5/47:45 amLHR - JFK
2 stops36h 15mBrussels Airlines
Deal found 4/22$517
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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.
Fri 5/94:45 pmJFK - LHR
1 stop10h 40mIberia
Sun 5/118:25 amLHR - JFK
Nonstop7h 45mIberia
Deal found 4/22$518
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/166:10 pmJFK - LHR
1 stop11h 05mUnited Airlines
Sun 5/187:25 amLHR - JFK
1 stop12h 35mUnited Airlines
Deal found 4/21$523
This Delta deal was found by Cheapflights users on 4/21. 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.
Wed 9/248:30 pmJFK - LHR
Nonstop7h 20mDelta
Fri 10/1710:55 amLHR - JFK
Nonstop8h 10mDelta
Deal found 4/21$525
This eDestinos deal was found by Cheapflights users on 4/21. 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 4/259:45 amJFK - LHR
Nonstop6h 55mBritish Airways
Fri 5/26:05 pmLHR - JFK
Nonstop7h 55mBritish Airways
Deal found 4/21$529
This Booking.com deal was found by Cheapflights users on 4/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/219:00 amJFK - LHR
1 stop16h 30mAir Canada
Wed 5/289:30 amLHR - JFK
1 stop17h 18mAir Canada
Deal found 4/21$550
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/217:45 amEWR - LHR
1 stop21h 15mUnited Airlines
Sat 5/317:45 amLHR - EWR
1 stop10h 25mUnited Airlines
Deal found 4/22$553
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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.
Wed 9/35:55 pmEWR - LHR
Nonstop6h 55mBritish Airways
Mon 9/154:35 pmLHR - EWR
Nonstop7h 50mBritish Airways
Deal found 4/21$554

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 April 22, 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

Sun 7/13

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

Sat 8/30

9:25 pm-10:10 pm

1 stop29h 45m

$503

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 5/6

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

Thu 5/8

9:55 am-9:40 pm

1 stop16h 45m

$508

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 5/12

6:50 pm-10:00 am

1 stop10h 10m

London Heathrow

Wed 5/21

9:30 am-2:48 pm

1 stop10h 18m

$514

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 5/2

6:10 pm-10:15 am

1 stop11h 05m

London Heathrow

Sun 5/4

7:45 am-3:00 pm

2 stops36h 15m

$517

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 5/9

4:45 pm-8:25 am

1 stop10h 40m

London Heathrow

Sun 5/11

8:25 am-11:10 am

Nonstop7h 45m

$518

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 5/16

6:10 pm-10:15 am

1 stop11h 05m

London Heathrow

Sun 5/18

7:25 am-3:00 pm

1 stop12h 35m

$523

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 8/5

8:05 pm-8:15 am

Nonstop7h 10m

London Heathrow

Sun 8/17

4:20 pm-7:25 pm

Nonstop8h 05m

$524

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 5/6

8:25 pm-8:50 am

Nonstop7h 25m

London Heathrow

Fri 5/30

6:55 pm-9:29 pm

Nonstop7h 34m

$526

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 5/12

9:00 pm-9:15 am

Nonstop7h 15m

London Heathrow

Mon 9/22

4:50 pm-7:40 pm

Nonstop7h 50m

$528

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 5/16

4:15 pm-1:40 pm

2 stops16h 25m

London Heathrow

Sun 5/18

8:45 am-4:35 pm

1 stop12h 50m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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 $1,110). 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 April 22, 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 April 22, 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 April 22, 2025.
See what other customers who have flown with Delta, KLM and Finnair 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
7,920 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

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
1,331 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

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
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

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
780 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

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.
Azores Airlines
7.5
Good
65 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

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 British Airways from $220 and TAP AIR PORTUGAL from $253 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 $1,258. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for $443.

  • 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 $1,110). 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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Boston to London City flights
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Los Angeles to London City flights
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Philadelphia to Heathrow flights
Seattle to Gatwick flights
O'Hare Intl to Gatwick flights
George Bush Intcntl to Heathrow flights
San Francisco to Gatwick flights
Portland to Heathrow flights
Dallas/Fort Worth to Gatwick flights
O'Hare Intl to London City flights
Sky Harbor Intl to Heathrow flights
San Francisco to London City flights
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Los Angeles to Gatwick flights
Orlando to Gatwick flights
Baltimore to Stansted flights
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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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$501Average$753FlexibilityNo cancel feeOn-time72%
IcelandairCheapest$503Average$711FlexibilityNo cancel feeOn-time76%
DeltaCheapest$533Average$762FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$547Average$770FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$575Average$872FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$588Average$822FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$604Average$830FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$612Average$859FlexibilityNo cancel feeOn-time71%
IberiaCheapest$613Average$778FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$635Average$804FlexibilityNo cancel feeOn-time70%

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