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$147+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
dic. 13 — dic. 201
sáb. 12/13
sáb. 12/20
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 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$487
(Flightnetwork)

One-way from

$147
(lastminute.com)

Popular in

June

Cheapest in

September

Average price

$672

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 ($189 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 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 13, 2025.

This Mytrip deal was found by Cheapflights users on 11/12. 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 stops15h 45mMultiple Airlines
jue. 12/118:30 amLGW - LGA
2 stops30h 23mMultiple Airlines
Deal found 11/12$488
This Mytrip deal was found by Cheapflights users on 11/11. 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.
mié. 11/1210:05 amJFK - LHR
2 stops18h 15mAir Canada
sáb. 11/151:25 pmLHR - JFK
1 stop12h 33mAir Canada
Deal found 11/11$488
This Mytrip deal was found by Cheapflights users on 11/12. 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. 11/2410:05 amJFK - LTN
2 stops29h 05mMultiple Airlines
jue. 11/278:50 pmLTN - JFK
2 stops23h 50mMultiple Airlines
Deal found 11/12$488
This Mytrip deal was found by Cheapflights users on 11/12. 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.
mié. 11/196:10 pmJFK - STN
2 stops19h 35mMultiple Airlines
lun. 11/247:40 amSTN - JFK
2 stops35h 35mMultiple Airlines
Deal found 11/12$488
This Mytrip deal was found by Cheapflights users on 11/12. 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.
dom. 11/169:45 amJFK - LGW
2 stops29h 25mMultiple Airlines
lun. 11/244:10 pmLGW - JFK
2 stops33h 00mMultiple Airlines
Deal found 11/12$488
This Booking.com deal was found by Cheapflights users on 11/13. 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.
vie. 12/510:35 amLGA - LHR
1 stop15h 35mAir Canada
dom. 12/71:25 pmLHR - LGA
1 stop13h 08mAir Canada
Deal found 11/13$489
This lastminute.com deal was found by Cheapflights users on 11/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/132:50 pmJFK - LHR
1 stop11h 00mVirgin Atlantic
jue. 11/2011:45 amLHR - JFK
1 stop12h 35mVirgin Atlantic
Deal found 11/12$489
This Mytrip deal was found by Cheapflights users on 11/12. 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 - LTN
2 stops29h 05mMultiple Airlines
jue. 11/208:50 pmLTN - JFK
3 stops29h 08mMultiple Airlines
Deal found 11/12$489
This Mytrip deal was found by Cheapflights users on 11/11. 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. 11/175:30 pmJFK - STN
2 stops22h 50mMultiple Airlines
lun. 11/249:45 pmSTN - JFK
2 stops27h 25mMultiple Airlines
Deal found 11/11$489
This Norse Atlantic Airways deal was found by Cheapflights users on 11/11. 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.
dom. 11/166:05 pmJFK - LGW
Nonstop6h 55mNorse Atlantic UK
lun. 11/241:00 pmLGW - JFK
Nonstop7h 55mNorse Atlantic UK
Deal found 11/11$489
This American Airlines deal was found by Cheapflights users on 11/11. 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.
jue. 12/411:30 amLGA - LGW
2 stops16h 30mAmerican Airlines
lun. 12/811:20 amLGW - LGA
2 stops17h 17mAmerican Airlines
Deal found 11/11$490
This Mytrip deal was found by Cheapflights users on 11/11. 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
mar. 11/251:25 pmLHR - LGA
1 stop10h 38mAir Canada
Deal found 11/11$490

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 13, 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

LGA - LHR

LGALHR

New York LaGuardia

vie. 12/5

6:00 am-10:50 am

1 stop23h 50m

London Heathrow

jue. 12/11

1:25 pm-2:42 pm

1 stop30h 17m

$499

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

sáb. 1/17

9:53 am-10:00 pm

Nonstop7h 07m

London Heathrow

sáb. 1/24

8:05 am-11:29 am

Nonstop8h 24m

$501

NewarkLondon

EWR - LHR

EWRLHR

Newark

mié. 11/26

9:10 am-9:20 pm

Nonstop7h 10m

London Heathrow

vie. 12/5

6:50 am-1:30 pm

1 stop11h 40m

$502

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

jue. 1/29

9:10 pm-9:30 am

Nonstop7h 20m

London Heathrow

dom. 2/1

7:45 am-11:05 am

Nonstop8h 20m

$502

NewarkLondon

EWR - LHR

EWRLHR

Newark

mar. 11/18

3:30 pm-7:10 am

1 stop10h 40m

London Heathrow

vie. 11/21

6:50 am-1:30 pm

1 stop11h 40m

$502

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

sáb. 1/31

9:53 am-10:00 pm

Nonstop7h 07m

London Heathrow

jue. 2/5

12:20 pm-3:52 pm

Nonstop8h 32m

$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

vie. 12/5

12:20 pm-3:51 pm

Nonstop8h 31m

$502

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

mar. 12/2

12:30 am-10:35 pm

1 stop17h 05m

London Gatwick

dom. 12/7

7:30 am-10:30 pm

1 stop20h 00m

$505

NewarkLondon

EWR - LHR

EWRLHR

Newark

dom. 2/1

3:30 pm-7:10 am

1 stop10h 40m

London Heathrow

jue. 2/5

2:50 pm-1:55 pm

1 stop28h 05m

$506

NewarkLondon

EWR - LHR

EWRLHR

Newark

mié. 11/19

3:40 pm-6:50 am

1 stop10h 10m

London Heathrow

mar. 11/25

8:55 am-2:55 pm

1 stop11h 00m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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 $870). 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 13, 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 13, 2025.

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 United Airlines, JetBlue, and Delta 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 17h. 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 LaGuardia - London Heathrow.

  • 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 $386.

  • 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 $870). 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 13, 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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