United Kingdom

$136+ Cheap flights from Pennsylvania to the United Kingdom

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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Nov 29 — Dec 61
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Find flight deals from Pennsylvania to United Kingdom

Cheapest flights from Pennsylvania to United Kingdom
Explore the most affordable flight options available from Pennsylvania to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Gotogate deal was found by Cheapflights users on 10/29. 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.
Mon 11/1010:05 amJFK - LHR
2 stops29h 30mAir Canada
Sun 11/166:50 amLHR - JFK
2 stops19h 08mAir Canada
Deal found 10/29$476
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Thu 11/65:30 pmJFK - LTN
2 stops17h 30mMultiple Airlines
Mon 11/106:00 amLTN - JFK
2 stops15h 09mMultiple Airlines
Deal found 10/28$476
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Mon 11/109:45 amJFK - STN
3 stops31h 55mMultiple Airlines
Mon 11/177:30 amSTN - JFK
2 stops18h 28mMultiple Airlines
Deal found 10/28$476
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Mon 11/175:30 pmJFK - LGW
2 stops18h 50mMultiple Airlines
Mon 11/249:00 amLGW - JFK
2 stops16h 10mMultiple Airlines
Deal found 10/27$476
This Booking.com deal was found by Cheapflights users on 10/30. 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.
Wed 12/31:05 pmLGA - LHR
2 stops14h 25mAir Canada
Wed 12/109:00 amLHR - LGA
2 stops15h 02mAir Canada
Deal found 10/30$477
This Justfly.com deal was found by Cheapflights users on 10/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:05 amJFK - LHR
2 stops18h 15mAir Canada
Sat 11/229:00 amLHR - JFK
2 stops16h 58mAir Canada
Deal found 10/30$477
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Wed 11/56:55 pmJFK - LTN
1 stop17h 10mMultiple Airlines
Sun 11/98:05 amLTN - JFK
1 stop14h 15mMultiple Airlines
Deal found 10/30$477
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Sun 11/99:00 pmJFK - STN
2 stops16h 25mMultiple Airlines
Fri 11/147:30 amSTN - JFK
2 stops18h 28mMultiple Airlines
Deal found 10/28$477
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Wed 12/35:30 pmJFK - LGW
2 stops18h 50mMultiple Airlines
Mon 12/89:00 amLGW - JFK
2 stops16h 10mMultiple Airlines
Deal found 10/28$477
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Wed 11/1912:45 pmLGA - LHR
1 stop12h 45mLufthansa
Wed 11/261:25 pmLHR - LGA
1 stop13h 08mLufthansa
Deal found 10/30$478
This Bravofly deal was found by Cheapflights users on 10/30. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:50 pmJFK - LHR
1 stop10h 55mVirgin Atlantic
Thu 11/1310:00 amLHR - JFK
1 stop10h 45mVirgin Atlantic
Deal found 10/30$478
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Sun 11/1610:05 amJFK - LTN
2 stops23h 10mMultiple Airlines
Tue 11/188:50 pmLTN - JFK
2 stops21h 15mMultiple Airlines
Deal found 10/28$478

Cheap flight deals from Pennsylvania to United Kingdom

Keep the following information in mind while searching for Pennsylvania to United Kingdom flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$476
(Gotogate)

One-way from

$136
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$680

Good round-trip deal

$714 or less

Good one-way deal

$477 or less
Provider with most accurate pricing for Philadelphia-London (LON) flight deals.
Provider most trusted by Cheapflights users for Philadelphia-London (LON) flights.
From Pennsylvania to United Kingdom
One-way flight from Pennsylvania to United Kingdom
Highest demand for flights based on searches. 19% potential increase in price ($188 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Pennsylvania to United Kingdom.
Price to beat on a one-way flight from Pennsylvania to United Kingdom.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to United Kingdom 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 October 30, 2025.
Use the filters below to find and compare flights from Pennsylvania to the United Kingdom that are best for you.

Fly from

Pennsylvania

Fly to

United Kingdom

Route

Depart

Return

Price

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Sat 2/14

10:05 am-4:05 pm

3 stops25h 00m

London Luton

Sat 2/21

6:00 am-4:09 pm

2 stops15h 09m

$491

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Tue 12/2

6:05 pm-6:00 am

Nonstop6h 55m

London Gatwick

Tue 12/9

7:10 am-10:30 pm

1 stop20h 20m

$500

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 12/11

6:00 am-10:50 am

1 stop23h 50m

London Heathrow

Sun 12/14

9:00 am-12:18 pm

1 stop32h 18m

$502

NewarkLondon

EWR - LGW

EWRLGW

Newark

Thu 2/12

11:00 pm-7:25 pm

1 stop15h 25m

London Gatwick

Fri 2/27

8:30 am-9:00 pm

1 stop17h 30m

$502

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 12/4

4:50 pm-8:35 pm

2 stops22h 45m

London Heathrow

Mon 12/15

9:00 am-1:05 pm

1 stop33h 05m

$503

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 12/30

9:45 am-11:20 am

1 stop20h 35m

London Heathrow

Thu 1/8

1:45 pm-1:05 pm

1 stop28h 20m

$503

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 1/31

9:10 pm-9:30 am

Nonstop7h 20m

London Heathrow

Wed 2/11

12:20 pm-3:52 pm

Nonstop8h 32m

$504

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 3/6

8:31 am-8:45 pm

Nonstop7h 14m

London Heathrow

Thu 3/12

12:20 pm-4:51 pm

Nonstop8h 31m

$504

NewarkLondon

EWR - LGW

EWRLGW

Newark

Wed 2/18

12:20 am-10:00 am

1 stop28h 40m

London Gatwick

Wed 2/25

4:35 pm-3:30 pm

1 stop27h 55m

$505

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 1/15

9:35 am-9:40 pm

Nonstop7h 05m

London Heathrow

Tue 1/20

12:20 pm-3:52 pm

Nonstop8h 32m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

What is the cheapest month to book a flight from Pennsylvania to United Kingdom?

Currently, September is the cheapest month in which you can book a flight from Pennsylvania to United Kingdom (average of $354). Flying from Pennsylvania to United Kingdom in June is currently the most expensive (average of $812). 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 GB?

Find hourly flight availability from Pennsylvania to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Pennsylvania to United Kingdom in the afternoon. Doing so could potentially save you 7% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Pennsylvania to United Kingdom?

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

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

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to United Kingdom. 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 United Kingdom?

    Departing from Pennsylvania to United Kingdom will take you 7h 20m. Pennsylvania and United Kingdom are separated by a distance of 3440 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Pennsylvania to United Kingdom one-way?

    The cheapest airline one-way is Norse Atlantic UK, with whom users have recently found tickets for as low as $154. However, be on the lookout for offers from Delta and Scandinavian Airlines, as they are both options that can get you from Pennsylvania to United Kingdom for a low price.

  • Can I find deals for flights from Pennsylvania to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to United Kingdom.

  • Can I find deals for business class flights from Pennsylvania to United Kingdom?

    Yes. Cheapflights offers flight deals from Pennsylvania to United Kingdom 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 United Kingdom?

    Currently, September is the cheapest month in which you can book a flight from Pennsylvania to United Kingdom (average of $354). Flying from Pennsylvania to United Kingdom in June is currently the most expensive (average of $812). 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 United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Pennsylvania to United Kingdom

Discover the top 10 airlines that operate flights from Pennsylvania to United Kingdom. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$95Average$730FlexibilityNo cancel feeOn-time62%
DeltaCheapest$219Average$866FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$492Average$736FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$505Average$907FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$509Average$833FlexibilityNo cancel feeOn-time70%
FinnairCheapest$514Average$858FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$523Average$905FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$541Average$873FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$560Average$856FlexibilityNo cancel feeOn-time69%
IberiaCheapest$584Average$840FlexibilityNo cancel feeOn-time77%

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