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$182+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
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 January 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$470
(Kiwi.com)

One-way from

$182
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$709

Good round-trip deal

$674 or less

Good one-way deal

$356 or less
Provider with most accurate pricing for Philadelphia-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-London (LON) flights.
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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 ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
Sun 2/19:00 pm
JFK
-
LHR
1 stop11h 00m
SWISS
Thu 2/266:00 am
LHR
-
JFK
1 stop12h 05m
SWISS
Deal found 1/18$470
This Cheapflightsfares deal was found by Cheapflights users on 1/18. 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 3/410:00 pm
JFK
-
LHR
1 stop12h 30m
TAP AIR PORTUGAL
Thu 3/126:00 am
LHR
-
JFK
1 stop19h 05m
TAP AIR PORTUGAL
Deal found 1/18$471
This British Airways deal was found by Cheapflights users on 1/19. 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.
Mon 2/164:05 pm
LGA
-
LHR
1 stop9h 55m
British Airways
Mon 2/237:45 pm
LHR
-
LGA
2 stops30h 37m
British Airways
Deal found 1/19$472
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
Sun 2/86:25 pm
JFK
-
LHR
1 stop10h 40m
Multiple Airlines
Thu 2/196:00 am
LHR
-
JFK
1 stop13h 15m
Multiple Airlines
Deal found 1/18$472
This Mytrip deal was found by Cheapflights users on 1/18. 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.
Tue 1/275:30 pm
JFK
-
LTN
2 stops20h 55m
Multiple Airlines
Fri 1/305:35 pm
LTN
-
JFK
2 stops27h 05m
Multiple Airlines
Deal found 1/18$472
This Mytrip deal was found by Cheapflights users on 1/18. 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.
Sun 2/19:00 pm
JFK
-
STN
2 stops20h 35m
Multiple Airlines
Sun 2/88:30 am
STN
-
JFK
2 stops33h 35m
Multiple Airlines
Deal found 1/18$472
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
Sun 1/256:05 pm
JFK
-
LGW
Nonstop6h 55m
Norse Atlantic UK
Sun 2/11:00 pm
LGW
-
JFK
Nonstop7h 55m
Norse Atlantic UK
Deal found 1/18$472
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
Sun 2/86:25 pm
JFK
-
LHR
1 stop10h 40m
Multiple Airlines
Tue 2/176:00 am
LHR
-
JFK
1 stop13h 15m
Multiple Airlines
Deal found 1/18$473
This Kiwi.com deal was found by Cheapflights users on 1/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/278:50 pm
JFK
-
STN
1 stop12h 00m
Multiple Airlines
Thu 2/57:40 am
STN
-
JFK
1 stop16h 35m
Multiple Airlines
Deal found 1/16$473
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
Wed 1/286:05 pm
JFK
-
LGW
Nonstop6h 55m
Norse Atlantic UK
Sun 2/11:00 pm
LGW
-
JFK
Nonstop7h 55m
Norse Atlantic UK
Deal found 1/18$473
This Gotogate deal was found by Cheapflights users on 1/18. 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.
Mon 2/23:20 pm
LGA
-
LHR
1 stop10h 50m
Air Canada
Thu 2/121:25 pm
LHR
-
LGA
1 stop10h 37m
Air Canada
Deal found 1/18$474
This British Airways deal was found by Cheapflights users on 1/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/19:50 pm
JFK
-
LHR
Nonstop6h 50m
British Airways
Thu 2/129:15 am
LHR
-
JFK
1 stop15h 00m
British Airways
Deal found 1/17$474

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 January 19, 2026.
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 - LTN

JFKLTN

New York John F Kennedy Intl

Sat 4/11

11:25 pm-6:05 pm

1 stop13h 40m

London Luton

Tue 4/14

12:45 pm-9:40 pm

1 stop13h 55m

$474

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Thu 4/9

11:25 pm-6:05 pm

1 stop13h 40m

London Luton

Tue 4/14

12:45 pm-9:40 pm

1 stop13h 55m

$477

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 2/5

8:05 am-8:00 pm

Nonstop6h 55m

London Heathrow

Wed 2/11

7:50 am-1:55 pm

1 stop11h 05m

$478

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 3/24

7:30 pm-6:20 am

Nonstop6h 50m

London Heathrow

Thu 4/9

10:20 am-7:10 pm

1 stop13h 50m

$480

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 3/23

4:05 pm-7:00 am

1 stop10h 55m

London Heathrow

Tue 4/14

9:50 am-9:15 pm

2 stops16h 25m

$482

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Wed 2/18

4:25 pm-11:05 pm

2 stops25h 40m

London Luton

Tue 2/24

9:00 am-1:05 pm

2 stops33h 05m

$483

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 3/17

9:45 am-8:35 pm

2 stops30h 50m

London Heathrow

Mon 3/23

12:05 pm-5:40 pm

1 stop33h 35m

$484

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Thu 4/16

11:25 pm-9:00 pm

1 stop16h 35m

London Gatwick

Fri 4/24

1:40 pm-9:40 pm

1 stop13h 00m

$491

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 5/11

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Mon 5/25

1:05 pm-3:55 pm

Nonstop7h 50m

$491

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 3/10

7:30 pm-6:20 am

Nonstop6h 50m

London Heathrow

Wed 3/25

5:00 pm-9:00 pm

Nonstop8h 00m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

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, June is the cheapest month in which you can book a flight from Pennsylvania to London (average of $129). Flying from Pennsylvania to London in May is currently the most expensive (average of $641). 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 January 19, 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 January 19, 2026.

The most flights from USPA to LON 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).

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 British Airways, Finnair, and United Airlines fly from Pennsylvania to London in about 6h 50m. The time it takes to get you to your destination can typically vary by up to 24h. The distance from Pennsylvania to London is about 3440 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 Aer Lingus (87%), American Airlines (84%) or Finnair (84%) 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 $1,788 for a flight from Pennsylvania to London. The cheapest flight overall is $244 while the most popular route, (New York John F Kennedy Intl - London Heathrow) is currently priced at $410.

  • 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, June is the cheapest month in which you can book a flight from Pennsylvania to London (average of $129). Flying from Pennsylvania to London in May is currently the most expensive (average of $641). 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
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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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.
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Boston to Stansted flights
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Los Angeles to London City flights
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O'Hare Intl to Stansted flights
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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 January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$136Average$666FlexibilityNo cancel feeOn-time62%
DeltaCheapest$219Average$805FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$492Average$716FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$506Average$867FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$507Average$787FlexibilityNo cancel feeOn-time70%
FinnairCheapest$515Average$927FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$522Average$783FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$560Average$888FlexibilityNo cancel feeOn-time69%
IberiaCheapest$595Average$847FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$647Average$1,083FlexibilityNo cancel feeOn-time67%

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