$188+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
May 6 — May 131
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 May 1, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $515 (FlightHub) |
One-way from | $188 (FlightHub) |
Popular in | June |
Cheapest in | February |
Average price | $878 |
Good round-trip deal | $738 or less |
Good one-way deal | $499 or less |
Find flight deals from Pennsylvania to London
Cheapest flights from Pennsylvania to LondonExplore 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 May 1, 2025.
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 May 1, 2025.
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Thu 7/318:25 pmJFK - LHR
1 stop10h 30mIcelandair
Sat 9/69:25 pmLHR - JFK
1 stop29h 45mIcelandair
Deal found 4/29![Icelandair logo]()
$514
This Scandinavian Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 8/206:55 pmJFK - LHR
1 stop16h 05mScandinavian Airlines
Tue 8/267:05 amLHR - JFK
1 stop13h 35mScandinavian Airlines
Deal found 4/28![Scandinavian Airlines logo]()
$515
This FlightHub deal was found by Cheapflights users on 4/29. 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 8/298:25 pmJFK - LGW
1 stop10h 20mIcelandair
Wed 9/103:40 pmLGW - JFK
1 stop11h 30mIcelandair
Deal found 4/29![Icelandair logo]()
$515
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 9/166:30 pmJFK - LHR
Nonstop7h 00mIberia
Thu 9/256:05 pmLHR - JFK
Nonstop7h 55mIberia
Deal found 4/29![Iberia logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/167:25 pmJFK - LHR
1 stop13h 15mSWISS
Sun 5/186:00 amLHR - JFK
1 stop11h 50mSWISS
Deal found 4/29![SWISS logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Mon 5/128:25 pmJFK - LGW
1 stop13h 10mMultiple Airlines
Wed 5/211:05 pmLGW - JFK
Nonstop7h 50mMultiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 9/256:20 pmJFK - LGW
Nonstop7h 00mNorse Atlantic UK
Thu 10/21:05 pmLGW - JFK
Nonstop7h 50mNorse Atlantic UK
Deal found 4/29![Norse Atlantic UK logo]()
$520
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 8/149:35 pmJFK - LGW
Nonstop7h 25mDelta
Thu 8/2112:00 pmLGW - JFK
Nonstop8h 25mDelta
Deal found 4/29![Delta logo]()
$521
This Iberia deal was found by Cheapflights users on 4/30. 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.
Sun 5/187:45 pmJFK - LGW
Nonstop7h 05mIberia
Tue 5/273:05 pmLGW - JFK
Nonstop8h 00mIberia
Deal found 4/30![Iberia logo]()
$522
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Sun 8/177:30 pmJFK - LHR
Nonstop7h 15mBritish Airways
Wed 8/272:10 pmLHR - JFK
Nonstop7h 55mBritish Airways
Deal found 4/30![British Airways logo]()
$523
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 8/298:05 pmJFK - LGW
Nonstop7h 05mBritish Airways
Sun 9/142:45 pmLGW - JFK
Nonstop8h 00mBritish Airways
Deal found 4/30![British Airways logo]()
$524
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Thu 5/811:10 pmJFK - LHR
1 stop16h 10mMultiple Airlines
Tue 5/138:50 pmLHR - JFK
1 stop29h 50mMultiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$525
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 May 1, 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 - LHR
JFKLHR
New York John F Kennedy Intl
Thu 7/31
8:25 pm-11:55 am
1 stop10h 30m
London Heathrow
Sat 9/6
9:25 pm-10:10 pm
1 stop29h 45m
$514
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Wed 8/20
6:55 pm-4:00 pm
1 stop16h 05m
London Heathrow
Thu 8/28
7:05 am-3:40 pm
1 stop13h 35m
$515
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Fri 8/29
8:05 pm-8:10 am
Nonstop7h 05m
London Gatwick
Tue 9/16
3:05 pm-6:05 pm
Nonstop8h 00m
$515
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Tue 9/16
9:45 am-9:40 pm
Nonstop6h 55m
London Heathrow
Tue 9/30
10:00 am-12:45 pm
Nonstop7h 45m
$516
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Fri 8/29
8:25 pm-2:40 pm
1 stop13h 15m
London Gatwick
Tue 9/9
3:40 pm-10:10 pm
1 stop11h 30m
$516
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Fri 5/16
7:25 pm-1:40 pm
1 stop13h 15m
London Heathrow
Sun 5/18
6:00 am-12:50 pm
1 stop11h 50m
$517
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Mon 5/12
8:25 pm-11:45 am
1 stop10h 20m
London Gatwick
Tue 5/20
7:10 am-11:25 am
1 stop33h 15m
$518
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Thu 9/25
6:20 pm-6:20 am
Nonstop7h 00m
London Gatwick
Thu 10/2
1:05 pm-3:55 pm
Nonstop7h 50m
$520
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Thu 8/14
9:35 pm-10:00 am
Nonstop7h 25m
London Gatwick
Thu 8/21
12:00 pm-3:25 pm
Nonstop8h 25m
$521
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Sun 5/18
7:45 pm-7:50 am
Nonstop7h 05m
London Gatwick
Tue 5/27
3:05 pm-6:05 pm
Nonstop8h 00m
$522
Showing 1-10 of 60 results
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 $1,103). 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 May 1, 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 May 1, 2025.
The most flights from USPA to LON 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 London by month
Plan your trip to London by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London 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 when rainfall is around 1.6 in.
Temperature in London by month
Plan your trip to London by taking into account the average temperature totals by month.
If weather is an important factor for your trip to London, 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 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 May 1, 2025.
To help decide which airline to fly from Pennsylvania to London, see what other customers have to say about Delta, Porter Airlines and Air Transat. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.3
Comfort
7.9
Crew
8.5
Entertainment
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Comfort
7.9
Crew
8.5
Entertainment
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Comfort
7.9
Crew
8.5
Entertainment
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Comfort
7.9
Crew
8.5
Entertainment
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Comfort
7.9
Crew
8.5
Entertainment
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Comfort
7.9
Crew
8.5
Entertainment
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
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.
Traveling to a place near Pennsylvania?
Book flights to Pennsylvania if you plan to visit one of these locationsHayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Sutton
Chelmsford
Brentwood
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.
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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$501 | Average$753 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$503 | Average$725 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$533 | Average$762 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$547 | Average$765 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$575 | Average$892 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$587 | Average$817 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$604 | Average$829 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$612 | Average$859 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$612 | Average$779 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$633 | Average$788 | FlexibilityNo cancel fee | On-time70% |