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Cheap flights from Pennsylvania to London Heathrow Airport from £135

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 22/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
26 helmi — 5 maalis1
1 adult

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 21 helmikuu 2025.

Round-trip from

£329

One-way from

£135

Popular in

June

Cheapest in

February

Average price

£535

Good round-trip deal

£502 or less

Good one-way deal

£458 or less
Air Canada
  • Air Canada
  • 21/3-23/3
  • 2 total stops
  • 54h 33m total
  • Pennsylvania to London
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Virgin Atlantic
  • Virgin Atlantic
  • 22/3
  • Nonstop
  • 6h 55m total
  • Pennsylvania to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£123 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
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.
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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 21 helmikuu 2025.

pe 21/319:25JFK - LHR
1 stop21h 55mMultiple Airlines
su 23/318:00LHR - JFK
1 stop32h 38mMultiple Airlines
Deal found 20/2£329
pe 21/310:05JFK - LHR
1 stop17h 05mUnited Airlines
pe 28/308:55LHR - JFK
1 stop12h 45mUnited Airlines
Deal found 20/2£336
pe 4/418:10JFK - LHR
1 stop21h 45mBrussels Airlines
su 6/407:45LHR - JFK
2 stops36h 15mBrussels Airlines
Deal found 21/2£341
pe 21/312:45LGA - LHR
1 stop14h 25mUnited Airlines
pe 28/315:00LHR - LGA
1 stop10h 33mUnited Airlines
Deal found 20/2£349
ti 1/420:25JFK - LHR
1 stop10h 30mIcelandair
su 13/421:25LHR - JFK
1 stop29h 45mIcelandair
Deal found 19/2£354
su 16/315:35LGA - LHR
1 stop11h 35mAir Canada
su 23/315:00LHR - LGA
1 stop22h 30mAir Canada
Deal found 20/2£356
su 2/321:00JFK - LHR
1 stop11h 00mSWISS
ti 11/308:55LHR - JFK
1 stop12h 45mSWISS
Deal found 21/2£357
ke 26/222:00JFK - LHR
1 stop12h 30mTAP AIR PORTUGAL
ke 5/308:15LHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Deal found 19/2£373
ke 19/315:35LGA - LHR
1 stop11h 35mMultiple Airlines
ke 26/308:55LHR - LGA
2 stops14h 47mMultiple Airlines
Deal found 20/2£383
ke 30/409:00JFK - LHR
2 stops16h 35mAir Canada
ke 7/506:50LHR - JFK
2 stops13h 10mAir Canada
Deal found 20/2£400
ti 11/319:10JFK - LHR
1 stop11h 15mAustrian Airlines
ti 25/306:00LHR - JFK
1 stop13h 35mAustrian Airlines
Deal found 19/2£405
su 9/300:45JFK - LHR
Nonstop6h 55mBritish Airways
ma 17/318:00LHR - JFK
Nonstop8h 10mBritish Airways
Deal found 19/2£412

Find flights from Pennsylvania to Heathrow within your budget

Customise 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 858,174 searches. Data last updated 21 helmikuu 2025.

Fly from

Pennsylvania

Fly to

Heathrow

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

pe 21/3

19:25-21:20

1 stop21h 55m

London Heathrow

su 23/3

18:00-22:38

1 stop32h 38m

£329

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

pe 21/3

10:05-07:10

1 stop17h 05m

London Heathrow

pe 28/3

08:55-17:40

1 stop12h 45m

£336

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

pe 21/3

12:45-07:10

1 stop14h 25m

London Heathrow

pe 28/3

15:00-21:33

1 stop10h 33m

£349

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

ti 1/4

20:25-11:55

1 stop10h 30m

London Heathrow

su 13/4

21:25-22:10

1 stop29h 45m

£354

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

su 16/3

15:35-07:10

1 stop11h 35m

London Heathrow

su 23/3

15:00-09:30

1 stop22h 30m

£356

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

su 23/3

17:25-08:05

1 stop10h 40m

London Heathrow

ke 2/4

06:00-16:35

1 stop15h 35m

£360

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

su 30/3

21:45-18:40

1 stop15h 55m

London Heathrow

su 6/4

19:30-20:05

1 stop29h 35m

£398

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

ke 30/4

09:00-06:35

2 stops16h 35m

London Heathrow

ke 7/5

06:50-15:00

2 stops13h 10m

£400

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

la 22/3

21:40-08:40

Nonstop7h 00m

London Heathrow

la 29/3

17:05-21:00

Nonstop7h 55m

£407

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

ke 5/3

17:40-07:50

1 stop9h 10m

London Heathrow

ke 12/3

19:00-23:00

Nonstop8h 00m

£414

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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 return 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.

Travel insights for flights from Pennsylvania to Heathrow

Get recent, data-driven insights about flights from Pennsylvania to Heathrow including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Pennsylvania to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Pennsylvania to London Heathrow Airport (average of £112). Flying from Pennsylvania to London Heathrow Airport in August is currently the most expensive (average of £163). 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 21 helmikuu 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to London Heathrow Airport as you normally would.

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 21 helmikuu 2025.

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).

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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 21 helmikuu 2025.
Read through reviews of airlines operating flights from Pennsylvania to London, such as Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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
8,213 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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
1,273 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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
62 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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
773 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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 £135 on Virgin Atlantic. Other airlines that offer cheap prices include Icelandair from £151 and Delta from £183 one-way.

  • What are the most popular routes from Pennsylvania to London Heathrow Airport?

    The most popular flight routes from Pennsylvania to London Heathrow Airport are New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow and New York LaGuardia - London Heathrow.

  • 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 (73%), American Airlines (72%) and Finnair (72%).

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

    The cheapest flight price from Pennsylvania to London Heathrow Airport is £439. On average you can expect to pay £612. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £301.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Pennsylvania to London Heathrow Airport (average of £112). Flying from Pennsylvania to London Heathrow Airport in August is currently the most expensive (average of £163). 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

Travelling to a place near Pennsylvania?

Book flights to Pennsylvania if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Croydon
Gatwick
Slough
Luton
Ilford
Hayes
Eastbourne
Swindon
Northampton
Wembley
Southend-on-Sea
Ipswich
Winchester
Maidstone
Crawley
Southall
Watford

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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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Top 4 airlines flying from Pennsylvania to Heathrow

Discover the top 4 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 858,174 searches. Data last updated 21 helmikuu 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£462Average£609FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£485Average£651FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapest£486Average£574FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Aer LingusCheapest£523Average£637FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pennsylvania to Heathrow?

Cheapflights makes it easy to find Pennsylvania to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Pennsylvania to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Pennsylvania to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Pennsylvania to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Pennsylvania to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Pennsylvania to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Pennsylvania to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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