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$174+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 December 16, 2025.

This Booking.com deal was found by Cheapflights users on 12/16. 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 12/315:45 pmEWR - LHR
1 stop9h 20mAer Lingus
Wed 1/288:50 amLHR - EWR
1 stop12h 25mAer Lingus
Deal found 12/16$493
This Booking.com deal was found by Cheapflights users on 12/15. 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.
Tue 12/301:00 pmEWR - LHR
1 stop26h 35mAir Canada
Fri 1/99:00 amLHR - EWR
1 stop32h 18mAir Canada
Deal found 12/15$501
This Mytrip deal was found by Cheapflights users on 12/16. 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 12/313:20 pmLGA - LHR
1 stop10h 50mMultiple Airlines
Sat 1/1011:10 amLHR - LGA
1 stop12h 53mMultiple Airlines
Deal found 12/16$502
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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 12/3110:15 amJFK - LHR
Nonstop6h 55mBritish Airways
Tue 2/106:00 pmLHR - JFK
Nonstop8h 05mBritish Airways
Deal found 12/16$503
This JetBlue deal was found by Cheapflights users on 12/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:40 amJFK - LHR
Nonstop7h 00mJetBlue
Fri 1/308:05 amLHR - JFK
Nonstop8h 24mJetBlue
Deal found 12/16$504
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 pmEWR - LHR
Nonstop7h 20mUnited Airlines
Wed 1/286:50 amLHR - EWR
1 stop11h 40mUnited Airlines
Deal found 12/16$505
This Booking.com deal was found by Cheapflights users on 12/15. 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.
Tue 12/307:45 pmLGA - LHR
1 stop30h 25mAir Canada
Fri 1/91:25 pmLHR - LGA
1 stop10h 37mAir Canada
Deal found 12/15$507
This Mytrip deal was found by Cheapflights users on 12/16. 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 12/291:00 pmEWR - LHR
1 stop26h 35mAir Canada
Sat 1/109:00 amLHR - EWR
1 stop32h 18mAir Canada
Deal found 12/16$507
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:05 amJFK - LHR
1 stop16h 05mUnited Airlines
Fri 1/96:50 amLHR - JFK
1 stop11h 30mUnited Airlines
Deal found 12/16$508
This Virgin Atlantic deal was found by Cheapflights users on 12/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:20 amJFK - LHR
Nonstop6h 50mVirgin Atlantic
Wed 1/288:40 amLHR - JFK
1 stop12h 05mVirgin Atlantic
Deal found 12/16$509
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:15 pmLGA - LHR
1 stop27h 40mUnited Airlines
Fri 1/91:25 pmLHR - LGA
1 stop25h 28mUnited Airlines
Deal found 12/16$510
This Flightnetwork deal was found by Cheapflights users on 12/16. 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.
Wed 12/3110:05 amJFK - LHR
1 stop16h 05mAir Canada
Fri 1/91:25 pmLHR - JFK
1 stop12h 33mAir Canada
Deal found 12/16$510

Find 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 December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$492
(Booking.com)

One-way from

$174
(Norse Atlantic Airways)

Popular in

June

Cheapest in

September

Average price

$900

Good round-trip deal

$676 or less

Good one-way deal

$451 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 United Kingdom
Search Deals
One-way flight from Pennsylvania to United Kingdom
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($188 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Pennsylvania to United Kingdom.
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Price to beat on a one-way flight from Pennsylvania to United Kingdom.
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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 December 16, 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

NewarkLondon

EWR - LGW

EWRLGW

Newark

Thu 2/19

11:55 pm-8:40 pm

2 stops15h 45m

London Gatwick

Wed 2/25

10:40 am-10:10 pm

1 stop16h 30m

$499

NewarkLondon

EWR - LGW

EWRLGW

Newark

Thu 1/15

10:00 pm-5:50 pm

1 stop14h 50m

London Gatwick

Thu 1/22

6:40 pm-8:30 pm

1 stop30h 50m

$500

NewarkLondon

EWR - LGW

EWRLGW

Newark

Mon 3/2

12:15 am-8:35 pm

1 stop15h 20m

London Gatwick

Sun 3/8

10:40 am-11:10 pm

1 stop16h 30m

$502

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

Fri 1/16

6:30 am-10:00 am

1 stop22h 30m

London Gatwick

Fri 1/30

2:00 pm-8:00 pm

1 stop35h 00m

$504

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 1/15

9:35 am-9:40 pm

Nonstop7h 05m

London Heathrow

Thu 1/22

7:25 am-10:46 am

Nonstop8h 21m

$504

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Thu 1/15

8:50 pm-7:00 pm

1 stop17h 10m

London Gatwick

Thu 1/22

11:45 am-7:15 pm

1 stop12h 30m

$504

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 3/11

10:41 am-9:40 pm

Nonstop6h 59m

London Heathrow

Sat 3/21

8:05 am-12:29 pm

Nonstop8h 24m

$504

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 2/16

8:45 am-8:45 pm

Nonstop7h 00m

London Heathrow

Tue 2/24

12:20 pm-3:52 pm

Nonstop8h 32m

$504

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 1/15

9:10 am-9:20 pm

Nonstop7h 10m

London Heathrow

Thu 1/22

12:05 pm-8:30 pm

1 stop13h 25m

$505

NewarkLondon

EWR - LGW

EWRLGW

Newark

Mon 1/26

7:35 pm-10:55 am

1 stop10h 20m

London Gatwick

Wed 2/4

11:55 am-6:25 pm

1 stop11h 30m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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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 $95). Flying from Pennsylvania to United Kingdom in April is currently the most expensive (average of $583). 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 December 16, 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 at noon, 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.

Weekly flight availability from Pennsylvania to United Kingdom

Explore weekly flight availability from Pennsylvania to United Kingdom. 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 December 16, 2025.

The most flights from USPA to GB0 are scheduled on a Monday (10 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

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 05m. 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 JetBlue, with whom users have recently found tickets for as low as $131. However, be on the lookout for offers from Icelandair and TAP AIR PORTUGAL, 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 $95). Flying from Pennsylvania to United Kingdom in April is currently the most expensive (average of $583). 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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
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Newark to Charles de Gaulle flights
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Newark to Leonardo da Vinci/Fiumicino flights
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LaGuardia to Heathrow flights
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Newark to Malpensa flights
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O'Hare Intl to Heathrow flights
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John F Kennedy Intl to Barcelona-El Prat flights
Newark to Madrid flights
San Francisco to Heathrow flights
Newark to Barcelona-El Prat flights
Newark to Athens flights
O'Hare Intl to Charles de Gaulle flights
Newark to Dublin flights
Dulles Intl to Charles de Gaulle flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Newark to Lisbon flights
San Francisco to Charles de Gaulle flights
Boston to Leonardo da Vinci/Fiumicino flights
Baltimore to Heathrow flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Charles de Gaulle flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Seattle to Heathrow flights
Newark to Frankfurt flights
John F Kennedy Intl to Luton flights
John F Kennedy Intl to Athens flights
Dallas/Fort Worth to Heathrow flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights

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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$95Average$730FlexibilityNo cancel feeOn-time62%
DeltaCheapest$219Average$868FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$492Average$747FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$508Average$893FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$508Average$838FlexibilityNo cancel feeOn-time70%
FinnairCheapest$514Average$924FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$522Average$924FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$560Average$876FlexibilityNo cancel feeOn-time69%
IberiaCheapest$602Average$847FlexibilityNo cancel feeOn-time77%
KLMCheapest$610Average$1,061FlexibilityNo cancel feeOn-time75%

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