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$203+ Cheap flights from Philadelphia (PHL) 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Feb 3 — Feb 101
Tue 2/3
Tue 2/10
1 adult, Economy
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Cheap flight deals from Philadelphia to United Kingdom

Cheapest flights from Philadelphia to United Kingdom
Explore the most affordable flight options available from Philadelphia to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/53:15 pmPHL - LGW
1 stop13h 45mMultiple Airlines
Fri 3/62:00 pmLGW - PHL
1 stop22h 36mMultiple Airlines
Deal found 1/3$605
This oojo deal was found by Cheapflights users on 1/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/169:57 pmPHL - GLA
2 stops28h 53mBritish Airways
Mon 2/235:45 pmGLA - PHL
1 stop27h 30mBritish Airways
Deal found 1/1$605
This Kiwi.com deal was found by Cheapflights users on 1/2. 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.
Thu 1/228:43 pmPHL - LGW
1 stop32h 17mMultiple Airlines
Thu 2/122:00 pmLGW - PHL
1 stop22h 32mMultiple Airlines
Deal found 1/2$607
This oojo deal was found by Cheapflights users on 1/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:35 pmPHL - GLA
1 stop13h 15mBritish Airways
Mon 3/28:25 pmGLA - PHL
1 stop24h 50mBritish Airways
Deal found 1/3$607
This oojo deal was found by Cheapflights users on 1/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:45 pmPHL - MAN
2 stops17h 25mBritish Airways
Mon 2/238:05 pmMAN - PHL
1 stop25h 10mBritish Airways
Deal found 1/2$608
This Kiwi.com deal was found by Cheapflights users on 1/2. 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 1/193:59 pmPHL - LGW
1 stop13h 01mMultiple Airlines
Tue 2/101:00 pmLGW - PHL
2 stops33h 12mMultiple Airlines
Deal found 1/2$608
This Mytrip deal was found by Cheapflights users on 1/2. 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 1/253:30 pmPHL - STN
2 stops19h 45mMultiple Airlines
Tue 2/38:10 amSTN - PHL
2 stops35h 37mMultiple Airlines
Deal found 1/2$610
This Kiwi.com deal was found by Cheapflights users on 1/1. 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 1/263:54 pmPHL - LGW
1 stop13h 06mMultiple Airlines
Wed 2/181:00 pmLGW - PHL
2 stops33h 46mMultiple Airlines
Deal found 1/1$610
This Kiwi.com deal was found by Cheapflights users on 1/2. 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.
Sun 3/86:30 pmPHL - STN
1 stop11h 20mMultiple Airlines
Tue 3/176:30 amSTN - PHL
1 stop14h 30mMultiple Airlines
Deal found 1/2$611
This Kiwi.com deal was found by Cheapflights users on 1/1. 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.
Fri 4/32:06 pmPHL - LGW
1 stop14h 54mMultiple Airlines
Mon 4/132:00 pmLGW - PHL
1 stop35h 48mMultiple Airlines
Deal found 1/1$611
This Kiwi.com deal was found by Cheapflights users on 1/2. 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 1/193:59 pmPHL - LGW
1 stop13h 01mMultiple Airlines
Thu 2/122:00 pmLGW - PHL
1 stop22h 32mMultiple Airlines
Deal found 1/2$612
This oojo deal was found by Cheapflights users on 1/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/43:35 pmPHL - MAN
2 stops12h 25mBritish Airways
Mon 2/96:50 pmMAN - PHL
1 stop26h 25mBritish Airways
Deal found 1/2$613

Find flight deals from Philadelphia to United Kingdom

Keep the following information in mind while searching for Philadelphia to United Kingdom flight deals. Data was last updated January 4, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$590
(Cheapflightsfares)

One-way from

$203
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$729

Good round-trip deal

$704 or less

Good one-way deal

$411 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 Philadelphia to United Kingdom
Search Deals
One-way flight from Philadelphia to United Kingdom
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($189 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Philadelphia to United Kingdom.
Search Deals
Price to beat on a one-way flight from Philadelphia to United Kingdom.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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 January 4, 2026.
Use the filters below to find and compare flights from Philadelphia to the United Kingdom that are best for you.

Fly from

Philadelphia

Fly to

United Kingdom

Route

Depart

Return

Price

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Mon 2/16

9:57 pm-7:50 am

2 stops28h 53m

Glasgow Intl

Mon 2/23

5:45 pm-4:15 pm

1 stop27h 30m

$605

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Wed 2/25

4:45 pm-12:50 pm

2 stops15h 05m

Glasgow Intl

Mon 3/2

5:45 pm-4:15 pm

1 stop27h 30m

$605

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 2/4

9:25 pm-6:45 pm

2 stops16h 20m

Manchester

Mon 2/9

8:05 pm-4:15 pm

1 stop25h 10m

$615

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Tue 4/7

6:45 pm-9:45 am

1 stop10h 00m

Manchester

Tue 4/14

7:55 am-4:40 pm

1 stop13h 45m

$621

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Mon 1/19

3:30 pm-7:10 pm

3 stops22h 40m

London Stansted

Mon 2/2

5:00 pm-2:47 pm

3 stops26h 47m

$622

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 4/29

6:45 pm-9:50 am

1 stop10h 05m

Manchester

Fri 5/8

7:00 am-4:40 pm

1 stop14h 40m

$624

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Thu 3/5

4:35 pm-1:20 pm

2 stops15h 45m

London Luton

Thu 3/12

8:00 pm-3:49 pm

2 stops23h 49m

$630

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 3/3

5:30 am-6:00 am

2 stops19h 30m

London Gatwick

Thu 3/12

2:00 pm-12:34 pm

1 stop26h 34m

$631

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Mon 3/2

5:30 pm-8:35 am

1 stop10h 05m

London Luton

Sun 3/8

8:05 am-5:00 pm

1 stop12h 55m

$640

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Thu 1/29

1:30 pm-6:55 am

1 stop12h 25m

London Heathrow

Mon 2/2

9:20 am-6:23 pm

1 stop14h 03m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

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

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

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

Currently, November is the cheapest month in which you can book a flight from Philadelphia to United Kingdom (average of $75). Flying from Philadelphia to United Kingdom in June is currently the most expensive (average of $451). 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 PHL to GB?

Find hourly flight availability from Philadelphia 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 January 4, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to United Kingdom as you normally would.

Weekly flight availability from Philadelphia to United Kingdom

Explore weekly flight availability from Philadelphia 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 January 4, 2026.

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

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated January 4, 2026.
Peruse reviews from past customers who have flown with Finnair, American Airlines, and Aer Lingus from Philadelphia to the United Kingdom to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,345 reviews

Comfort

7.4

Boarding

7.6

Overall

7.6

Entertainment

6.9

Food

6.7

Crew

8.2

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Finnair
7.6
Good
1,345 reviews
Finnair
7.6
Good
1,345 reviews

Comfort

7.4

Boarding

7.6

Overall

7.6

Entertainment

6.9

Food

6.7

Crew

8.2

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
American Airlines
7.2
Good
11,078 reviews
Finnair
7.6
Good
1,345 reviews

Comfort

7.4

Boarding

7.6

Overall

7.6

Entertainment

6.9

Food

6.7

Crew

8.2

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Aer Lingus
7.2
Good
1,421 reviews
Finnair
7.6
Good
1,345 reviews

Comfort

7.4

Boarding

7.6

Overall

7.6

Entertainment

6.9

Food

6.7

Crew

8.2

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Iberia
7.0
Good
3,062 reviews
Finnair
7.6
Good
1,345 reviews

Comfort

7.4

Boarding

7.6

Overall

7.6

Entertainment

6.9

Food

6.7

Crew

8.2

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
British Airways
6.7
Okay
7,642 reviews
Finnair
7.6
Good
1,345 reviews

Comfort

7.4

Boarding

7.6

Overall

7.6

Entertainment

6.9

Food

6.7

Crew

8.2

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to United Kingdom?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to United Kingdom.

  • How long is the flight from Philadelphia to United Kingdom?

    Departing from Philadelphia to United Kingdom will take you 12h 25m. The distance between Philadelphia and United Kingdom is about 3533 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Philadelphia to United Kingdom are JetBlue ($174), TAP AIR PORTUGAL ($198), and Iberia ($353).

  • What are the most popular routes from Philadelphia to United Kingdom?

    The most popular route from Philadelphia to United Kingdom is Philadelphia - London Heathrow. You may also consider Philadelphia - London Gatwick or Philadelphia - Edinburgh Turnhouse.

  • What are the most reliable airlines from Philadelphia to United Kingdom?

    Before booking your flight to United Kingdom from Philadelphia, check out the most reliable airlines to get you to your destination on time: Aer Lingus (93%), American Airlines (88%), Finnair( 88%).

  • What are the cheapest flights from Philadelphia to United Kingdom?

    The cheapest flight price from Philadelphia to United Kingdom is $250. On average you can expect to pay $1,857. The most popular route, (Philadelphia - London Heathrow), can usually be booked for $613.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Philadelphia to United Kingdom (average of $75). Flying from Philadelphia to United Kingdom in June is currently the most expensive (average of $451). 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 Philadelphia to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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John F Kennedy Intl to Athens flights
Newark to Barcelona-El Prat flights
Newark to Madrid flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Amsterdam flights
Newark to Frankfurt flights
Dulles Intl to Istanbul flights
John F Kennedy Intl to Zurich flights
Newark to Amsterdam flights
John F Kennedy Intl to Luton flights
Newark to London City flights
LaGuardia to Athens flights
Dulles Intl to Madrid flights
John F Kennedy Intl to Geneva flights
John F Kennedy Intl to Frederic Chopin flights
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Dulles Intl to Gatwick flights
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Reagan-National to Heathrow flights
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John F Kennedy Intl to Linate flights

Top 10 airlines flying from Philadelphia to United Kingdom

Discover the top 10 airlines that operate flights from Philadelphia 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 January 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$508Average$850FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$508Average$882FlexibilityNo cancel feeOn-time71%
FinnairCheapest$515Average$854FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$522Average$924FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$556Average$807FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$560Average$949FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$580Average$714FlexibilityNo cancel feeOn-time62%
IberiaCheapest$595Average$807FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$622Average$857FlexibilityNo cancel feeOn-time76%
DeltaCheapest$766Average$1,138FlexibilityNo cancel feeOn-timeN/A

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