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$186+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
févr. 28 — mars 71
sam. 2/28
sam. 3/7
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 janvier 29, 2026.

This KAYAK deal was found by Cheapflights users on 1/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 3/17:25 pm
JFK
-
LHR
1 stop10h 25m
Icelandair
mer. 4/221:05 pm
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 1/28$462
This Norse Atlantic Airways deal was found by Cheapflights users on 1/28. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/252:25 am
JFK
-
LGW
Nonstop6h 55m
Norse Atlantic UK
lun. 4/131:05 pm
LGW
-
JFK
Nonstop7h 50m
Norse Atlantic UK
Deal found 1/28$462
This Ticket deal was found by Cheapflights users on 1/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 1/308:00 pm
JFK
-
LHR
Nonstop7h 05m
Virgin Atlantic
ven. 2/68:55 am
LHR
-
JFK
Nonstop8h 20m
Virgin Atlantic
Deal found 1/27$463
This Mytrip deal was found by Cheapflights users on 1/27. 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. 2/57:25 pm
JFK
-
LTN
2 stops12h 55m
Multiple Airlines
mar. 2/109:00 am
LTN
-
JFK
2 stops14h 00m
Multiple Airlines
Deal found 1/27$463
This Mytrip deal was found by Cheapflights users on 1/26. 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.
mer. 1/285:30 pm
JFK
-
STN
2 stops25h 45m
Multiple Airlines
mer. 2/48:15 am
STN
-
JFK
2 stops35h 00m
Multiple Airlines
Deal found 1/26$463
This Norse Atlantic Airways deal was found by Cheapflights users on 1/27. 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.
mer. 2/46:05 pm
JFK
-
LGW
Nonstop6h 55m
Norse Atlantic UK
mer. 2/111:00 pm
LGW
-
JFK
Nonstop7h 55m
Norse Atlantic UK
Deal found 1/27$463
This Icelandair deal was found by Cheapflights users on 1/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 3/17:25 pm
JFK
-
LHR
1 stop10h 25m
Icelandair
lun. 4/209:25 pm
LHR
-
JFK
1 stop26h 55m
Icelandair
Deal found 1/28$464
This Mytrip deal was found by Cheapflights users on 1/27. 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. 1/309:45 am
JFK
-
LTN
2 stops29h 25m
Multiple Airlines
ven. 2/68:55 pm
LTN
-
JFK
2 stops21h 55m
Multiple Airlines
Deal found 1/27$464
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/209:45 am
JFK
-
STN
2 stops27h 35m
Multiple Airlines
mer. 2/258:30 am
STN
-
JFK
2 stops33h 35m
Multiple Airlines
Deal found 1/28$464
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/156:20 pm
JFK
-
LGW
Nonstop7h 00m
Norse Atlantic UK
lun. 5/181:05 pm
LGW
-
JFK
Nonstop7h 50m
Norse Atlantic UK
Deal found 1/28$464
This KAYAK deal was found by Cheapflights users on 1/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/3111:10 pm
JFK
-
LHR
1 stop31h 45m
Icelandair
mar. 4/149:25 pm
LHR
-
JFK
1 stop26h 55m
Icelandair
Deal found 1/27$465
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
ven. 4/1711:25 pm
JFK
-
LTN
1 stop13h 40m
Multiple Airlines
dim. 4/195:40 am
LTN
-
JFK
1 stop21h 00m
Multiple Airlines
Deal found 1/27$465

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 janvier 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$462

One-way from

$186
(Super.com)

Popular in

June

Cheapest in

September

Average price

$703

Good round-trip deal

$634 or less

Good one-way deal

$347 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. 20% potential increase in price ($195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 janvier 29, 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

dim. 4/19

11:25 pm-6:05 pm

1 stop13h 40m

London Luton

dim. 4/26

5:40 am-9:40 pm

1 stop21h 00m

$466

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

ven. 5/8

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

dim. 5/17

1:05 pm-3:55 pm

Nonstop7h 50m

$470

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

lun. 2/23

11:45 pm-11:20 pm

1 stop18h 35m

London Gatwick

lun. 3/2

10:10 am-10:00 pm

1 stop16h 50m

$471

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

lun. 4/13

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

ven. 4/24

1:05 pm-3:55 pm

Nonstop7h 50m

$474

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

mer. 3/11

10:00 pm-6:15 pm

2 stops16h 15m

London Luton

mer. 3/18

2:35 pm-2:05 pm

2 stops27h 30m

$481

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

jeu. 5/21

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

mer. 5/27

1:05 pm-3:55 pm

Nonstop7h 50m

$483

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

mer. 4/8

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

mar. 4/21

1:05 pm-3:55 pm

Nonstop7h 50m

$483

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

ven. 4/24

11:25 pm-6:05 pm

1 stop13h 40m

London Luton

lun. 5/4

5:40 am-9:40 pm

1 stop21h 00m

$490

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

sam. 2/28

11:45 pm-9:25 am

1 stop28h 40m

London Gatwick

mer. 3/4

1:10 pm-10:00 pm

1 stop13h 50m

$495

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mer. 3/11

10:45 pm-9:40 am

Nonstop6h 55m

London Heathrow

mar. 3/17

10:20 am-8:05 pm

1 stop13h 45m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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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 janvier 29, 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 janvier 29, 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 Norse Atlantic UK, Finnair, and United Airlines fly from Pennsylvania to London in about 6h 55m. The time it takes to get you to your destination is usually consistent. The distance from Pennsylvania to London is about 3440 mi. Generally, flights for this route are nonstop.

  • 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 JetBlue ($131), Icelandair ($161), 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 Washington, D.C. Dulles Intl - 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 $1,951 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 $334.

  • 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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
Boston to Heathrow flights
Dulles Intl to Heathrow flights
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John F Kennedy Intl to Stansted flights
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Atlanta to Heathrow flights
John F Kennedy Intl to Luton flights
Hobby to Heathrow flights
Miami to Heathrow flights
Boston to London City flights
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Newark to Stansted flights
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Newark to London City flights
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Philadelphia to Heathrow flights
Dulles Intl to London City flights
Boston to Stansted flights
O'Hare Intl to Gatwick flights
John F Kennedy Intl to Edinburgh flights
Dulles Intl to Stansted flights
Newark to Edinburgh flights
Minneapolis to Heathrow flights
O'Hare Intl to London City flights
Los Angeles to Gatwick flights
Baltimore to Gatwick flights
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O'Hare Intl to Stansted flights
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George Bush Intcntl to Heathrow flights
San Francisco to Gatwick flights
Tampa to Heathrow flights
Detroit to Heathrow flights
Austin to Heathrow flights
Charlotte to Heathrow flights
Los Angeles to Stansted 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 janvier 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$136Average$669FlexibilityNo cancel feeOn-time62%
DeltaCheapest$219Average$805FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$492Average$716FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$507Average$791FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$511Average$862FlexibilityNo cancel feeOn-time71%
FinnairCheapest$515Average$927FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$522Average$771FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$560Average$875FlexibilityNo cancel feeOn-time69%
IberiaCheapest$594Average$847FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$647Average$1,083FlexibilityNo cancel feeOn-time67%

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