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$183+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 pm
JFK
-
LHR
1 stop10h 05m
American Airlines
Tue 3/2410:00 am
LHR
-
JFK
1 stop11h 25m
American Airlines
Deal found 1/21$466
This Mytrip deal was found by Cheapflights users on 1/20. 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 3/14:20 pm
LGA
-
LGW
2 stops15h 25m
Multiple Airlines
Sun 3/89:35 pm
LGW
-
LGA
2 stops22h 03m
Multiple Airlines
Deal found 1/20$467
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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 2/183:29 pm
LGA
-
LHR
1 stop12h 46m
British Airways
Wed 2/258:50 am
LHR
-
LGA
2 stops17h 32m
British Airways
Deal found 1/20$467
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/285:00 pm
JFK
-
LHR
1 stop10h 05m
American Airlines
Tue 2/39:50 am
LHR
-
JFK
1 stop14h 39m
American Airlines
Deal found 1/21$467
This Mytrip deal was found by Cheapflights users on 1/20. 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 1/257:25 pm
JFK
-
STN
2 stops14h 25m
Multiple Airlines
Thu 1/296:30 am
STN
-
JFK
2 stops16h 30m
Multiple Airlines
Deal found 1/20$467
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 3/306:20 pm
JFK
-
LGW
Nonstop7h 00m
Norse Atlantic UK
Thu 4/91:05 pm
LGW
-
JFK
Nonstop7h 50m
Norse Atlantic UK
Deal found 1/21$467
This Mytrip deal was found by Cheapflights users on 1/20. 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 1/2210:00 pm
JFK
-
LHR
1 stop14h 30m
TAP AIR PORTUGAL
Thu 1/297:55 pm
LHR
-
JFK
1 stop29h 10m
TAP AIR PORTUGAL
Deal found 1/20$468
This Mytrip deal was found by Cheapflights users on 1/20. 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 2/26:25 pm
JFK
-
STN
2 stops20h 35m
Multiple Airlines
Thu 2/57:40 am
STN
-
JFK
2 stops18h 18m
Multiple Airlines
Deal found 1/20$468
This Norse Atlantic Airways deal was found by Cheapflights users on 1/20. 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.
Mon 9/76:20 pm
JFK
-
LGW
Nonstop7h 00m
Norse Atlantic UK
Sat 9/191:05 pm
LGW
-
JFK
Nonstop7h 50m
Norse Atlantic UK
Deal found 1/20$468
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/34:25 pm
JFK
-
LHR
1 stop10h 40m
Multiple Airlines
Thu 2/126:00 am
LHR
-
JFK
1 stop13h 15m
Multiple Airlines
Deal found 1/20$469
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Fri 2/63:40 pm
JFK
-
LTN
2 stops15h 15m
Multiple Airlines
Fri 2/135:50 am
LTN
-
JFK
2 stops15h 19m
Multiple Airlines
Deal found 1/20$469
This Mytrip deal was found by Cheapflights users on 1/20. 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 1/224:25 pm
JFK
-
STN
2 stops25h 55m
Multiple Airlines
Sun 1/258:30 am
STN
-
JFK
2 stops33h 35m
Multiple Airlines
Deal found 1/20$469

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$466
(Gotogate)

One-way from

$183
(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.
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. 19% potential increase in price ($193 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 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 January 21, 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 - LGW

JFKLGW

New York John F Kennedy Intl

Sun 4/12

11:25 pm-9:55 pm

1 stop17h 30m

London Gatwick

Sun 4/19

11:40 am-9:40 pm

1 stop15h 00m

$467

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 2/13

8:45 am-8:45 pm

Nonstop7h 00m

London Heathrow

Tue 2/17

12:20 pm-3:50 pm

Nonstop8h 30m

$478

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 3/17

10:45 pm-9:40 am

Nonstop6h 55m

London Heathrow

Mon 3/23

7:30 am-8:05 pm

1 stop16h 35m

$479

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 5/8

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Sun 5/17

1:05 pm-3:55 pm

Nonstop7h 50m

$479

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 4/14

7:10 pm-7:20 am

Nonstop7h 10m

London Heathrow

Fri 4/24

4:50 pm-10:15 pm

1 stop10h 25m

$480

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Fri 2/27

5:00 pm-8:55 am

1 stop10h 55m

London Luton

Fri 3/6

5:50 am-7:29 pm

1 stop18h 39m

$480

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Mon 2/2

10:35 pm-9:05 pm

2 stops17h 30m

London Luton

Fri 2/6

3:05 pm-8:35 pm

2 stops34h 30m

$482

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 2/4

10:00 pm-3:05 pm

1 stop12h 05m

London Gatwick

Wed 2/11

10:40 am-8:05 pm

1 stop14h 25m

$485

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 2/3

6:15 am-11:15 am

1 stop24h 00m

London Heathrow

Tue 2/10

1:25 pm-11:58 am

1 stop27h 33m

$489

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Sun 2/1

5:00 pm-8:55 am

1 stop10h 55m

London Luton

Sun 2/8

8:05 am-1:55 pm

1 stop10h 50m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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 21, 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 21, 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 LEVEL, JetBlue, and Finnair fly from Pennsylvania to London in about 6h 55m. The time it takes to get you to your destination can typically vary by up to 10h 35m. 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 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 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 $416.

  • 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
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Newark to Gatwick flights
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Dallas/Fort Worth to Heathrow flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Stansted flights
San Francisco to Heathrow flights
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Boston to Gatwick flights
Atlanta to Heathrow flights
John F Kennedy Intl to Luton flights
Miami to Heathrow flights
Boston to London City flights
Orlando to Heathrow flights
Newark to London City flights
Newark to Stansted flights
Reagan-National to Heathrow flights
Hobby to Heathrow flights
Dulles Intl to Gatwick flights
Newark to Luton flights
Denver to Heathrow flights
Philadelphia to Heathrow flights
Dulles Intl to London City flights
Los Angeles to Gatwick flights
Boston to Stansted flights
O'Hare Intl to Gatwick flights
Dulles Intl to Stansted flights
Newark to Edinburgh flights
Tampa to Heathrow flights
Baltimore to Gatwick flights
Los Angeles to London City flights
John F Kennedy Intl to Edinburgh flights
Minneapolis to Heathrow flights
O'Hare Intl to London City flights
Reagan-National to Gatwick flights
San Francisco to Gatwick flights
Los Angeles to Stansted flights
Dallas/Fort Worth to Gatwick flights
Charlotte to Heathrow flights
O'Hare Intl to Stansted flights
Detroit to Heathrow flights
George Bush Intcntl to Heathrow 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 January 21, 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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