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$145+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
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 noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$481
(Mytrip)

One-way from

$145
(Flightnetwork)

Popular in

June

Cheapest in

September

Average price

$704

Good round-trip deal

$708 or less

Good one-way deal

$462 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 ($190 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 November 2025
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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 noviembre 6, 2025.

This Gotogate deal was found by Cheapflights users on 11/3. 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.
sáb. 11/155:00 pmJFK - LHR
1 stop12h 10mAer Lingus
mié. 11/1912:10 pmLHR - JFK
1 stop12h 15mAer Lingus
Deal found 11/3$481
This Mytrip deal was found by Cheapflights users on 11/4. 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.
lun. 11/1710:05 amJFK - STN
3 stops27h 15mMultiple Airlines
lun. 11/249:45 pmSTN - JFK
2 stops21h 05mMultiple Airlines
Deal found 11/4$481
This Mytrip deal was found by Cheapflights users on 11/4. 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.
lun. 11/1710:05 amJFK - LGW
3 stops29h 55mMultiple Airlines
lun. 11/244:10 pmLGW - JFK
2 stops26h 40mMultiple Airlines
Deal found 11/4$481
This Mytrip deal was found by Cheapflights users on 11/4. 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.
lun. 11/173:20 pmLGA - LHR
1 stop10h 50mAir Canada
lun. 11/241:25 pmLHR - LGA
1 stop10h 38mAir Canada
Deal found 11/4$482
This Booking.com deal was found by Cheapflights users on 11/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/25:00 pmJFK - LHR
1 stop12h 10mAer Lingus
dom. 12/710:00 amLHR - JFK
1 stop11h 25mAer Lingus
Deal found 11/4$482
This Mytrip deal was found by Cheapflights users on 11/4. 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.
jue. 12/114:50 pmJFK - LTN
2 stops18h 10mMultiple Airlines
mar. 12/169:00 amLTN - JFK
2 stops16h 10mMultiple Airlines
Deal found 11/4$482
This Mytrip deal was found by Cheapflights users on 11/4. 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.
jue. 12/1110:05 amJFK - STN
3 stops22h 15mMultiple Airlines
dom. 12/146:30 amSTN - JFK
2 stops35h 35mMultiple Airlines
Deal found 11/4$482
This Vliegwinkel deal was found by Cheapflights users on 11/5. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/176:05 pmJFK - LGW
Nonstop6h 55mNorse Atlantic UK
lun. 11/241:00 pmLGW - JFK
Nonstop7h 55mNorse Atlantic UK
Deal found 11/5$482
This Mytrip deal was found by Cheapflights users on 11/5. 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.
lun. 12/85:35 pmLGA - LGW
2 stops17h 00mMultiple Airlines
vie. 12/127:00 amLGW - LGA
2 stops19h 33mMultiple Airlines
Deal found 11/5$483
This Flightnetwork deal was found by Cheapflights users on 11/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1210:35 amLGA - LHR
1 stop15h 35mAir Canada
dom. 12/71:25 pmLHR - LGA
1 stop10h 37mAir Canada
Deal found 11/3$483
This Netflights deal was found by Cheapflights users on 11/4. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/136:00 pmJFK - LHR
Nonstop7h 20mVirgin Atlantic
jue. 11/208:00 pmLHR - JFK
Nonstop7h 55mVirgin Atlantic
Deal found 11/4$483
This Mytrip deal was found by Cheapflights users on 11/4. 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.
lun. 11/174:50 pmJFK - LTN
3 stops22h 20mMultiple Airlines
jue. 11/278:50 pmLTN - JFK
2 stops21h 15mMultiple Airlines
Deal found 11/4$483

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 noviembre 6, 2025.
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

mar. 1/13

6:05 pm-6:00 am

Nonstop6h 55m

London Gatwick

mié. 1/21

1:00 pm-3:55 pm

Nonstop7h 55m

$482

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

mié. 2/4

9:00 pm-5:05 pm

1 stop15h 05m

London Luton

dom. 2/8

8:05 am-7:29 pm

1 stop16h 24m

$484

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

sáb. 1/17

9:50 pm-9:40 am

Nonstop6h 50m

London Heathrow

sáb. 1/24

10:20 am-7:05 pm

1 stop13h 45m

$490

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

sáb. 12/6

10:05 am-7:10 am

1 stop16h 05m

London Heathrow

jue. 12/11

9:00 am-4:40 pm

1 stop12h 40m

$494

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mar. 12/2

9:45 am-8:35 pm

2 stops29h 50m

London Heathrow

mar. 12/9

1:45 pm-1:05 pm

1 stop28h 20m

$501

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

sáb. 11/15

9:09 pm-9:30 am

Nonstop7h 21m

London Heathrow

jue. 11/20

12:20 pm-3:51 pm

Nonstop8h 31m

$502

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 11/28

9:09 pm-9:30 am

Nonstop7h 21m

London Heathrow

mié. 12/3

7:25 am-10:37 am

Nonstop8h 12m

$502

NewarkLondon

EWR - LHR

EWRLHR

Newark

jue. 11/13

9:10 am-9:20 pm

Nonstop7h 10m

London Heathrow

sáb. 11/22

6:50 am-1:30 pm

1 stop11h 40m

$502

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 1/30

8:45 am-8:45 pm

Nonstop7h 00m

London Heathrow

sáb. 2/7

12:20 pm-3:52 pm

Nonstop8h 32m

$502

NewarkLondon

EWR - LHR

EWRLHR

Newark

mar. 11/18

10:30 am-7:10 am

1 stop15h 40m

London Heathrow

sáb. 11/22

6:50 am-1:30 pm

1 stop11h 40m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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, August is the cheapest month in which you can book a flight from Pennsylvania to London (average of $483). Flying from Pennsylvania to London in June is currently the most expensive (average of $873). 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 noviembre 6, 2025.

A simple way to save on the total cost of your ticket is to fly from Pennsylvania to London at noon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Pennsylvania to London?

Use this chart to determine the cheapest time to fly round-trip from Pennsylvania to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Pennsylvania to London flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 noviembre 6, 2025.

The most flights from USPA to LON are scheduled on a Monday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (7 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, 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 9h 15m. 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 Norse Atlantic UK ($154), United Airlines ($174), and Delta ($174).

  • 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 (83%), Iberia (82%) or British Airways (81%) 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 $2,102 for a flight from Pennsylvania to London. The cheapest flight overall is $412 while the most popular route, (New York John F Kennedy Intl - London Heathrow) is currently priced at $380.

  • 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, August is the cheapest month in which you can book a flight from Pennsylvania to London (average of $483). Flying from Pennsylvania to London in June is currently the most expensive (average of $873). 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

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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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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 noviembre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$136Average$655FlexibilityNo cancel feeOn-time62%
DeltaCheapest$219Average$739FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$492Average$746FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$505Average$873FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$509Average$761FlexibilityNo cancel feeOn-time70%
FinnairCheapest$514Average$815FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$523Average$786FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$560Average$881FlexibilityNo cancel feeOn-time69%
IberiaCheapest$583Average$823FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$647Average$951FlexibilityNo cancel feeOn-time67%

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