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$189+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
Sep 9 — Sep 161
Wed 9/9
Wed 9/16
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 August 10, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 8/7. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:10 pm -
2 stops38h 45m
Tue 10/137:05 am -
1 stop13h 35m
Deal found 8/7$529
This Mytrip deal was found by Cheapflights users on 8/8. 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.
Sat 10/36:20 pm -
Nonstop7h 00m
Mon 10/57:55 pm -
2 stops31h 30m
Deal found 8/8$529
This Mytrip deal was found by Cheapflights users on 8/7. 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 10/26:20 pm -
Nonstop7h 00m
Mon 10/57:55 pm -
2 stops31h 30m
Deal found 8/7$530
This FlightHub deal was found by Cheapflights users on 8/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:55 pm -
2 stops37h 00m
Mon 10/57:05 am -
1 stop13h 35m
Deal found 8/9$532
This FlightHub deal was found by Cheapflights users on 8/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:55 pm -
1 stop16h 05m
Sun 9/276:40 am -
2 stops15h 20m
Deal found 8/9$533
This CheapOair deal was found by Cheapflights users on 8/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:20 pm -
Nonstop7h 00m
Thu 10/221:05 pm -
Nonstop7h 50m
Deal found 8/9$534
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Sat 10/36:20 pm -
Nonstop7h 00m
Sat 10/101:05 pm -
Nonstop7h 50m
Deal found 8/9$535
This FlightHub deal was found by Cheapflights users on 8/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:55 pm -
2 stops37h 00m
Sun 10/49:05 pm -
2 stops23h 35m
Deal found 8/10$536
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/226:20 pm -
Nonstop7h 00m
Thu 10/11:05 pm -
Nonstop7h 50m
Deal found 8/10$536
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 10/1912:30 am -
1 stop26h 10m
Mon 10/267:30 am -
2 stops43h 30m
Deal found 8/10$537
This Norse Atlantic Airways deal was found by Cheapflights users on 8/9. 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.
Sun 9/276:20 pm -
Nonstop7h 00m
Fri 10/21:05 pm -
Nonstop7h 50m
Deal found 8/9$537
This Norse Atlantic Airways deal was found by Cheapflights users on 8/10. 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.
Tue 9/156:20 pm -
Nonstop7h 00m
Thu 9/241:05 pm -
Nonstop7h 50m
Deal found 8/10$538

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 August 10, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$529
(Scandinavian Airlines)

One-way from

$189
(Justfly.com)

Popular in

June

Cheapest in

November

Average price

$979

Good round-trip deal

$987 or less

Good one-way deal

$462 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. 26% potential increase in price ($334 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 10, 2026.
Use the filters below to find and compare flights from Pennsylvania to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Fri 10/2

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Sat 10/10

1:05 pm-3:55 pm

Nonstop7h 50m

$557

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Mon 10/26

8:25 pm-10:50 am

1 stop10h 25m

London Heathrow

Sat 10/31

12:15 pm-7:00 pm

1 stop10h 45m

$630

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Tue 12/8

5:35 pm-5:00 pm

2 stops18h 25m

London Heathrow

Mon 12/14

6:40 am-3:45 pm

1 stop14h 05m

$676

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Mon 10/26

11:00 pm-8:35 pm

2 stops17h 35m

London Gatwick

Thu 11/12

10:40 am-8:05 pm

1 stop14h 25m

$681

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Wed 10/7

10:05 pm-11:20 am

2 stops32h 15m

London Gatwick

Wed 10/14

4:25 pm-8:05 pm

1 stop32h 40m

$688

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Wed 9/16

7:25 pm-4:35 pm

1 stop16h 10m

London Heathrow

Fri 9/18

6:50 am-1:00 pm

1 stop11h 10m

$702

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Thu 10/29

12:45 am-7:50 am

1 stop27h 05m

London Gatwick

Sat 10/31

10:00 am-11:00 pm

1 stop17h 00m

$706

NewarkLondon

EWR Newark - LGW London Gatwick

EWRLGW

Newark

Fri 10/30

1:10 am-9:50 am

1 stop28h 40m

London Gatwick

Sat 11/7

10:10 am-9:35 pm

1 stop16h 25m

$743

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Mon 10/5

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Wed 10/21

3:40 pm-7:20 pm

1 stop32h 40m

$747

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Tue 10/13

5:00 pm-7:55 am

1 stop9h 55m

London Heathrow

Wed 10/14

11:15 am-11:16 pm

2 stops17h 01m

$762

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Pennsylvania to London (average of $720). Flying from Pennsylvania to London in June is currently the most expensive (average of $1,400). 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 August 10, 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 August 10, 2026.

The most flights from USPA to LON are scheduled on a Monday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Pennsylvania to London?

Airfare is typical for this route at the moment.
Pennsylvania to London flights typically cost between $723 and $1,139 in December.
The cheapest round-trip price found within the last 5 days was $871 on Iberia (Dec 8-Dec 16).

How far ahead should I book a flight from Pennsylvania to London?

To ensure you get the cheapest price possible for a flight from Pennsylvania to London, you should look to book at least 13 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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, Icelandair, and Scandinavian Airlines fly from Pennsylvania to London in about 7h. The time it takes to get you to your destination can typically vary by up to 11h 25m. The distance from Pennsylvania to London is about 3458 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 ($174), TAP AIR PORTUGAL ($198), and Icelandair ($236).

  • 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 Malaysia Airlines (73%), American Airlines (73%) or Finnair (73%) 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 $2,770 for a flight from Pennsylvania to London. The cheapest flight overall is $344 while the most popular route, (New York John F Kennedy Intl - London Heathrow) is currently priced at $517.

  • 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, January is the cheapest month in which you can book a flight from Pennsylvania to London (average of $720). Flying from Pennsylvania to London in June is currently the most expensive (average of $1,400). 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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
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Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

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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 August 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$512Average$963FlexibilityNo cancel feeOn-time70%
FinnairCheapest$515Average$978FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$516Average$995FlexibilityNo cancel feeOn-time71%
IcelandairCheapest$522Average$790FlexibilityNo cancel feeOn-time76%
DeltaCheapest$531Average$872FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$574Average$881FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$583Average$912FlexibilityNo cancel feeOn-time69%
IberiaCheapest$588Average$1,012FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$640Average$814FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$647Average$1,213FlexibilityNo cancel feeOn-time67%

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