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$168+ Cheap flights from Pennsylvania to London (LON)

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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
jul 8 — jul 151
tis 7/8
tis 7/15
1 adult, Economy
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Cheap flight deals from Pennsylvania to London

Keep the following information in mind while searching for Pennsylvania to London flight deals. Data was last updated juli 3, 2025.

Round-trip from

$490
(Booking.com)

One-way from

$171
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$987

Good round-trip deal

$694 or less

Good one-way deal

$508 or less
From Pennsylvania to London (LON)
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One-way flight from Pennsylvania to London (LON)
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Highest demand for flights based on searches. 19% potential increase in price ($192 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 July 2025
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Price to beat on a round-trip flight from Pennsylvania to London (LON).
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Price to beat on a one-way flight from Pennsylvania to London (LON).
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Find flight deals from Pennsylvania to London

Cheapest flights from Pennsylvania to London
Explore the most affordable flight options available from Pennsylvania to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juli 3, 2025.

This CheapOair deal was found by Cheapflights users on 7/3. 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.
ons 9/36:20 pmJFK - LGW
Nonstop7h 00mMultiple Airlines
tors 9/1811:35 amLGW - JFK
1 stop15h 40mMultiple Airlines
Deal found 7/3$488
This Gotogate deal was found by Cheapflights users on 7/3. 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.
lör 7/2610:15 amLGA - LHR
1 stop15h 15mAir Canada
mån 9/229:30 amLHR - LGA
1 stop14h 00mAir Canada
Deal found 7/3$490
This British Airways deal was found by Cheapflights users on 7/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 7/318:05 pmJFK - LHR
Nonstop7h 10mBritish Airways
tors 9/119:30 amLHR - JFK
1 stop14h 35mBritish Airways
Deal found 7/3$490
This Mytrip deal was found by Cheapflights users on 7/3. 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.
tis 8/129:00 amJFK - STN
2 stops27h 10mMultiple Airlines
tis 8/1910:05 pmSTN - JFK
2 stops29h 44mMultiple Airlines
Deal found 7/3$490
This Gotogate deal was found by Cheapflights users on 7/2. 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.
fre 10/103:30 pmLGA - LHR
1 stop10h 00mMultiple Airlines
mån 10/138:30 amLHR - LGA
1 stop12h 24mMultiple Airlines
Deal found 7/2$491
This Booking.com deal was found by Cheapflights users on 7/2. 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.
tors 8/216:29 pmJFK - LHR
1 stop23h 11mAer Lingus
tis 8/267:40 amLHR - JFK
1 stop10h 45mAer Lingus
Deal found 7/2$491
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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.
fre 8/18:05 pmJFK - LGW
Nonstop7h 05mBritish Airways
fre 8/83:05 pmLGW - JFK
Nonstop8h 00mBritish Airways
Deal found 7/2$492
This Finnair deal was found by Cheapflights users on 7/2. 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.
ons 9/102:59 pmJFK - LHR
1 stop11h 41mFinnair
lör 10/47:30 amLHR - JFK
1 stop16h 35mFinnair
Deal found 7/2$493
This Norse Atlantic Airways deal was found by Cheapflights users on 7/2. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 8/266:20 pmJFK - LGW
Nonstop7h 00mNorse Atlantic UK
mån 9/11:05 pmLGW - JFK
Nonstop7h 50mNorse Atlantic UK
Deal found 7/2$494
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/3. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons 10/110:05 pmJFK - LGW
1 stop10h 55mTAP AIR PORTUGAL
sön 10/510:35 amLGW - JFK
1 stop14h 30mTAP AIR PORTUGAL
Deal found 7/3$495
This Mytrip deal was found by Cheapflights users on 7/1. 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.
fre 8/295:45 pmLGA - LGW
2 stops19h 35mMultiple Airlines
mån 9/19:30 pmLGW - LGA
2 stops24h 27mMultiple Airlines
Deal found 7/1$496
This Iberia deal was found by Cheapflights users on 7/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 10/279:35 pmJFK - LHR
Nonstop7h 00mIberia
lör 11/19:55 amLHR - JFK
1 stop17h 05mIberia
Deal found 7/2$496

Cheapflights Fare Finder

Customize your flight search to find flights from Pennsylvania to London 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 juli 3, 2025.
Use the filters below to find and compare flights from Pennsylvania to London that are best for you.

Fly from

Pennsylvania

Fly to

London

Route

Depart

Return

Price

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

ons 9/3

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

tors 9/18

11:35 am-10:15 pm

1 stop15h 40m

$488

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

lör 7/26

10:15 am-6:30 am

1 stop15h 15m

London Heathrow

mån 9/22

9:30 am-6:30 pm

1 stop14h 00m

$490

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

tors 7/31

8:05 pm-8:15 am

Nonstop7h 10m

London Heathrow

tors 9/11

9:30 am-7:05 pm

1 stop14h 35m

$490

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

tis 8/12

9:00 am-5:10 pm

2 stops27h 10m

London Stansted

tis 8/19

10:05 pm-10:49 pm

2 stops29h 44m

$490

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

tors 8/21

6:29 pm-10:40 pm

1 stop23h 11m

London Heathrow

tis 8/26

7:40 am-1:25 pm

1 stop10h 45m

$491

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

fre 8/1

8:05 pm-8:10 am

Nonstop7h 05m

London Gatwick

fre 8/8

3:05 pm-6:05 pm

Nonstop8h 00m

$492

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

ons 9/10

2:59 pm-7:40 am

1 stop11h 41m

London Heathrow

ons 9/17

10:20 am-7:05 pm

1 stop13h 45m

$493

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

tis 8/26

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

mån 9/1

1:05 pm-3:55 pm

Nonstop7h 50m

$494

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

ons 10/1

10:05 pm-2:00 pm

1 stop10h 55m

London Gatwick

sön 10/5

10:35 am-8:05 pm

1 stop14h 30m

$495

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

ons 10/1

5:10 pm-4:25 pm

1 stop18h 15m

London Heathrow

lör 10/11

6:40 am-3:40 pm

2 stops14h 00m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Currently, November is the cheapest month in which you can book a flight from Pennsylvania to London (average of $661). Flying from Pennsylvania to London in June is currently the most expensive (average of $1,098). 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 LON?

Find hourly flight availability from Pennsylvania to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juli 3, 2025.

When flying from Pennsylvania to London, 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

Explore weekly flight availability from Pennsylvania to London. 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 juli 3, 2025.

The most flights from USPA to LON are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated juli 3, 2025.
Read through reviews of airlines operating flights from Pennsylvania to London, such as Delta, KLM, and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
809 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
1,306 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
1,465 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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 London. 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 one-way?

    The cheapest airlines for a one-way flight from Pennsylvania to London are TAP AIR PORTUGAL ($171), Norse Atlantic UK ($171), and Icelandair ($173).

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

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

  • What are the most reliable airlines from Pennsylvania to London?

    Consider Aer Lingus (85%), American Airlines (83%) or Finnair (83%) when booking your flight. These represent the most reliable airlines when flying from Pennsylvania to London.

  • What are the cheapest flights from Pennsylvania to London?

    On average you can expect to pay $1,954 for a flight from Pennsylvania to London. The cheapest flight overall is $455 while the most popular route, (New York John F Kennedy Intl - London Heathrow) is currently priced at $299.

  • Can I find deals for flights from Pennsylvania to London that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to London.

  • Can I find deals for business class flights from Pennsylvania to London?

    Yes. Cheapflights offers flight deals from Pennsylvania to London 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?

    Currently, November is the cheapest month in which you can book a flight from Pennsylvania to London (average of $661). Flying from Pennsylvania to London in June is currently the most expensive (average of $1,098). 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
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Aylesbury
Chelmsford
Brentwood
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Dartford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pennsylvania to London

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
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George Bush Intcntl to Heathrow flights
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John F Kennedy Intl to Edinburgh flights
Minneapolis to Heathrow flights
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Midway to Heathrow flights
Sky Harbor Intl to Heathrow flights

Top 10 airlines flying from Pennsylvania to London

Discover the top 10 airlines that operate flights from Pennsylvania to London. 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 juli 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$484Average$681FlexibilityNo cancel feeOn-time76%
DeltaCheapest$533Average$753FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$547Average$684FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$560Average$773FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$575Average$867FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$579Average$807FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$588Average$861FlexibilityNo cancel feeOn-time71%
FinnairCheapest$604Average$824FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$608Average$800FlexibilityNo cancel feeOn-time67%
IberiaCheapest$610Average$781FlexibilityNo cancel feeOn-time77%

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