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$236+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
mai 18 — mai 251
lun. 5/18
lun. 5/25
1 adult, Economy
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Cheap 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 avril 18, 2026.

This LEVEL deal was found by Cheapflights users on 4/15. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/611:25 pm
JFK
-
LHR
1 stop15h 40m
LEVEL
mar. 10/208:50 pm
LHR
-
JFK
1 stop29h 50m
LEVEL
Deal found 4/15$533
This LEVEL deal was found by Cheapflights users on 4/15. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/1311:45 pm
JFK
-
LGW
1 stop28h 35m
LEVEL
mar. 11/177:35 pm
LGW
-
JFK
1 stop31h 25m
LEVEL
Deal found 4/15$533
This Mytrip deal was found by Cheapflights users on 4/13. 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.
jeu. 5/1411:10 pm
JFK
-
STN
2 stops20h 20m
Multiple Airlines
mar. 5/197:10 am
STN
-
JFK
2 stops19h 55m
Multiple Airlines
Deal found 4/13$535
This Mytrip deal was found by Cheapflights users on 4/17. 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.
ven. 4/2412:30 am
JFK
-
STN
1 stop19h 10m
Multiple Airlines
lun. 4/276:20 am
STN
-
JFK
1 stop20h 50m
Multiple Airlines
Deal found 4/17$536
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
sam. 10/36:20 pm
JFK
-
LGW
Nonstop7h 00m
Norse Atlantic UK
dim. 10/111:05 pm
LGW
-
JFK
Nonstop7h 50m
Norse Atlantic UK
Deal found 4/13$536
This FlightHub deal was found by Cheapflights users on 4/13. 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.
jeu. 10/155:20 pm
EWR
-
LHR
2 stops35h 15m
Scandinavian Airlines
dim. 10/186:40 am
LHR
-
EWR
2 stops35h 35m
Scandinavian Airlines
Deal found 4/13$537
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
jeu. 10/226:20 pm
JFK
-
LGW
Nonstop7h 00m
Norse Atlantic UK
ven. 10/231:05 pm
LGW
-
JFK
Nonstop7h 50m
Norse Atlantic UK
Deal found 4/14$537
This Norse Atlantic Airways deal was found by Cheapflights users on 4/16. 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.
jeu. 10/16:20 pm
JFK
-
LGW
Nonstop7h 00m
Norse Atlantic UK
jeu. 10/151:05 pm
LGW
-
JFK
Nonstop7h 50m
Norse Atlantic UK
Deal found 4/16$538
This Mytrip deal was found by Cheapflights users on 4/15. 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.
mar. 4/2810:05 pm
JFK
-
STN
2 stops21h 05m
Multiple Airlines
lun. 5/1812:05 pm
STN
-
JFK
2 stops34h 40m
Multiple Airlines
Deal found 4/15$539
This Priceline deal was found by Cheapflights users on 4/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/16:20 pm
JFK
-
LGW
Nonstop7h 00m
Norse Atlantic UK
ven. 10/91:05 pm
LGW
-
JFK
Nonstop7h 50m
Norse Atlantic UK
Deal found 4/13$539
This LEVEL deal was found by Cheapflights users on 4/15. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/1311:45 pm
JFK
-
LHR
1 stop28h 25m
LEVEL
mar. 11/178:50 pm
LHR
-
JFK
1 stop30h 10m
LEVEL
Deal found 4/15$540
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
dim. 5/1012:30 am
JFK
-
LTN
1 stop33h 45m
Multiple Airlines
mar. 6/26:20 am
LTN
-
JFK
1 stop34h 05m
Multiple Airlines
Deal found 4/15$541

Find flight deals from Pennsylvania to London

Keep the following information in mind while searching for Pennsylvania to London flight deals. Data was last updated avril 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$535
(Mytrip)

One-way from

$236
(Super.com)

Popular in

June

Cheapest in

September

Average price

$821

Good round-trip deal

$979 or less

Good one-way deal

$495 or less
Provider with most accurate pricing for Philadelphia-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-London (LON) flights.
Search Deals
From Pennsylvania to London (LON)
Search Deals
One-way flight from Pennsylvania to London (LON)
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($215 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Pennsylvania to London (LON).
Search Deals
Price to beat on a one-way flight from Pennsylvania to London (LON).
Search Deals

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 avril 18, 2026.
Use the filters below to find and compare flights from Pennsylvania to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

dim. 5/3

12:30 am-2:15 pm

1 stop32h 45m

London Gatwick

sam. 5/9

7:30 am-10:10 pm

1 stop19h 40m

$685

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

jeu. 5/14

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

ven. 6/19

1:05 pm-3:55 pm

Nonstop7h 50m

$689

NewarkLondon

EWR - LHR

EWRLHR

Newark

jeu. 5/7

5:45 pm-12:55 pm

2 stops14h 10m

London Heathrow

dim. 5/10

7:50 pm-1:15 pm

1 stop22h 25m

$699

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

mar. 5/12

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

mar. 6/2

5:55 am-11:25 am

1 stop34h 30m

$705

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

mer. 8/26

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

sam. 9/12

1:05 pm-3:55 pm

Nonstop7h 50m

$706

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

jeu. 4/30

10:05 pm-4:25 pm

1 stop13h 20m

London Gatwick

ven. 5/15

5:25 pm-5:45 pm

1 stop29h 20m

$732

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mer. 5/13

6:20 pm-6:25 am

Nonstop7h 05m

London Heathrow

lun. 5/18

7:30 am-7:10 pm

1 stop16h 40m

$733

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

sam. 5/9

2:30 pm-6:55 am

1 stop11h 25m

London Heathrow

mer. 5/20

7:30 am-7:10 pm

1 stop16h 40m

$736

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

jeu. 5/7

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

mar. 5/12

6:40 am-10:30 pm

1 stop20h 50m

$737

NewarkLondon

EWR - LHR

EWRLHR

Newark

mer. 5/6

8:25 am-8:40 pm

Nonstop7h 15m

London Heathrow

dim. 5/10

6:50 am-1:05 pm

1 stop11h 15m

$750

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Pennsylvania to London (average of $45). Flying from Pennsylvania to London in June is currently the most expensive (average of $2,099). 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 avril 18, 2026.

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 avril 18, 2026.

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

How much does it cost to fly round-trip from Pennsylvania to London?

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.

  • How long is the flight from Pennsylvania to London?

    Airlines like Norse Atlantic UK, Scandinavian Airlines, and Air Europa fly from Pennsylvania to London in about 7h. The time it takes to get you to your destination can typically vary by up to 7h 10m. The distance from Pennsylvania to London is about 3458 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 Icelandair ($161), JetBlue ($174), and TAP AIR PORTUGAL ($198).

  • 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 LaGuardia - London Heathrow.

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

    Consider Iberia (93%), Malaysia Airlines (93%) or American Airlines (90%) 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 $2,255 for a flight from Pennsylvania to London. The cheapest flight overall is $374 while the most popular route, (New York John F Kennedy Intl - London Heathrow) is currently priced at $567.

  • 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, February is the cheapest month in which you can book a flight from Pennsylvania to London (average of $45). Flying from Pennsylvania to London in June is currently the most expensive (average of $2,099). 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 London?

Book flights to London if you plan to visit one of these locations
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Croydon
Gatwick
Southend-on-Sea
Harrow
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Dartford
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Orpington
Watford
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Kingston upon Thames
Eastbourne
Slough
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Stansted

Browse thousands of different options on Cheapflights for your next trip

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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 avril 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$136Average$681FlexibilityNo cancel feeOn-time62%
DeltaCheapest$219Average$907FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$484Average$759FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$485Average$792FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$501Average$833FlexibilityNo cancel feeOn-time70%
FinnairCheapest$513Average$812FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$515Average$910FlexibilityNo cancel feeOn-time71%
IberiaCheapest$576Average$925FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$583Average$880FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$647Average$1,213FlexibilityNo cancel feeOn-time67%

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