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$283+ 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
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
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 May 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Tue 8/412:30 am
JFK
-
LTN
1 stop27h 00m
Multiple Airlines
Wed 9/169:50 pm
LTN
-
JFK
1 stop29h 40m
Multiple Airlines
Deal found 5/7$638
This Mytrip deal was found by Cheapflights users on 5/7. 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.
Mon 5/1111:10 pm
JFK
-
STN
2 stops19h 10m
Multiple Airlines
Wed 5/276:30 am
STN
-
JFK
2 stops20h 35m
Multiple Airlines
Deal found 5/7$638
This Mytrip deal was found by Cheapflights users on 5/7. 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.
Thu 9/38:30 pm
JFK
-
LGW
2 stops19h 55m
Multiple Airlines
Tue 9/89:40 am
LGW
-
JFK
2 stops17h 25m
Multiple Airlines
Deal found 5/7$638
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 7/1011:50 pm
JFK
-
LTN
1 stop13h 15m
Multiple Airlines
Tue 9/1512:45 pm
LTN
-
JFK
1 stop14h 15m
Multiple Airlines
Deal found 5/7$640
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 5/76:20 pm
JFK
-
LGW
Nonstop7h 00m
Multiple Airlines
Tue 5/126:40 am
LGW
-
JFK
1 stop20h 50m
Multiple Airlines
Deal found 5/6$640
This Mytrip deal was found by Cheapflights users on 5/7. 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.
Mon 5/1111:10 pm
JFK
-
LTN
2 stops18h 40m
Multiple Airlines
Wed 5/276:15 am
LTN
-
JFK
2 stops18h 05m
Multiple Airlines
Deal found 5/7$641
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 5/76:20 pm
JFK
-
LGW
Nonstop7h 00m
Multiple Airlines
Thu 5/145:40 am
LGW
-
JFK
1 stop21h 50m
Multiple Airlines
Deal found 5/6$641
This Air Europa deal was found by Cheapflights users on 5/6. 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 Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:40 am
JFK
-
LGW
1 stop10h 45m
Air Europa
Mon 9/145:25 pm
LGW
-
JFK
1 stop29h 20m
Air Europa
Deal found 5/6$642
This Mytrip deal was found by Cheapflights users on 5/7. 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.
Thu 9/38:30 pm
JFK
-
STN
2 stops21h 50m
Multiple Airlines
Tue 9/86:30 am
STN
-
JFK
2 stops20h 35m
Multiple Airlines
Deal found 5/7$643
This Cheapflightsfares deal was found by Cheapflights users on 5/6. 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 8/1212:40 am
JFK
-
LGW
1 stop10h 45m
Air Europa
Thu 9/1010:00 am
LGW
-
JFK
1 stop12h 45m
Air Europa
Deal found 5/6$643
This Mytrip deal was found by Cheapflights users on 5/9. 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.
Sat 9/58:30 pm
JFK
-
LTN
2 stops20h 25m
Multiple Airlines
Sat 9/1211:00 am
LTN
-
JFK
2 stops16h 05m
Multiple Airlines
Deal found 5/9$644
This Gotogate deal was found by Cheapflights users on 5/10. 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.
Wed 9/3010:05 pm
JFK
-
LHR
1 stop12h 30m
TAP AIR PORTUGAL
Sun 10/411:20 am
LHR
-
JFK
1 stop13h 45m
TAP AIR PORTUGAL
Deal found 5/10$644

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 May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$638
(Kiwi.com)

One-way from

$283
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$882

Good round-trip deal

$1,103 or less

Good one-way deal

$395 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 ($217 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 11, 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
Quickest round-trip

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Thu 9/3

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Tue 9/8

1:05 pm-3:55 pm

Nonstop7h 50m

$677

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 8/17

11:50 pm-10:15 am

1 stop29h 25m

London Gatwick

Mon 8/31

10:55 am-10:00 pm

1 stop16h 05m

$686

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sun 10/11

5:45 pm-12:55 pm

2 stops14h 10m

London Heathrow

Tue 10/20

7:50 pm-1:15 pm

2 stops22h 25m

$733

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 9/7

9:35 am-9:40 pm

Nonstop7h 05m

London Heathrow

Thu 9/10

7:30 am-7:10 pm

1 stop16h 40m

$733

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 8/26

8:30 pm-11:45 am

1 stop10h 15m

London Gatwick

Sun 9/13

3:40 pm-10:05 pm

1 stop11h 25m

$742

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 7/29

6:40 pm-10:00 am

1 stop10h 20m

London Heathrow

Thu 9/3

8:45 am-8:15 pm

1 stop16h 30m

$748

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Sat 7/18

4:55 pm-8:20 am

1 stop10h 25m

London Luton

Thu 7/30

9:25 am-10:25 pm

1 stop18h 00m

$753

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 8/3

8:15 pm-8:50 am

Nonstop7h 35m

London Heathrow

Mon 8/24

11:30 am-8:45 pm

1 stop14h 15m

$755

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 10/10

6:55 pm-4:25 pm

2 stops16h 30m

London Heathrow

Fri 10/16

7:50 pm-3:40 pm

1 stop24h 50m

$755

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 9/5

6:30 pm-6:45 am

Nonstop7h 15m

London Heathrow

Sat 9/12

8:40 am-2:35 pm

1 stop10h 55m

$755

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

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

How far ahead should I book a flight from Pennsylvania to London?

To ensure you get the cheapest price possible for a flight from Pennsylvania to London, you should look to book at least 13 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 May 11, 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 May 11, 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, LEVEL, and Scandinavian Airlines fly from Pennsylvania to London in about 7h. The time it takes to get you to your destination can typically vary by up to 22h 25m. 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 John F Kennedy Intl - London Gatwick.

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

    Consider Malaysia Airlines (96%), Iberia (95%) or American Airlines (94%) 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 $1,621 for a flight from Pennsylvania to London. The cheapest flight overall is $350 while the most popular route, (New York John F Kennedy Intl - London Heathrow) is currently priced at $595.

  • 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
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton

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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$136Average$713FlexibilityNo cancel feeOn-time62%
DeltaCheapest$219Average$918FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$479Average$746FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$485Average$813FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$500Average$833FlexibilityNo cancel feeOn-time70%
FinnairCheapest$513Average$846FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$515Average$908FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$560Average$940FlexibilityNo cancel feeOn-time69%
IberiaCheapest$567Average$956FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$647Average$1,213FlexibilityNo cancel feeOn-time67%

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