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$167+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/21. 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 3/15:30 pm
PHL
-
EDI
1 stop8h 55m
Multiple Airlines
Tue 3/108:40 am
EDI
-
PHL
1 stop12h 20m
Multiple Airlines
Deal found 1/21$530
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 4/288:25 pm
PHL
-
GLA
1 stop13h 50m
Multiple Airlines
Fri 5/87:25 am
GLA
-
PHL
1 stop16h 30m
Multiple Airlines
Deal found 1/20$544
This Mytrip deal was found by Cheapflights users on 1/19. 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 3/55:30 pm
PHL
-
GLA
1 stop9h 25m
Multiple Airlines
Thu 3/127:15 am
GLA
-
PHL
1 stop13h 45m
Multiple Airlines
Deal found 1/19$548
This oojo deal was found by Cheapflights users on 1/18. 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.
Tue 3/312:27 pm
PHL
-
GLA
2 stops16h 23m
British Airways
Tue 3/109:50 am
GLA
-
PHL
1 stop11h 25m
British Airways
Deal found 1/18$554
This oojo deal was found by Cheapflights users on 1/19. 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 2/166:35 pm
PHL
-
GLA
2 stops16h 25m
British Airways
Mon 2/238:25 pm
GLA
-
PHL
1 stop24h 50m
British Airways
Deal found 1/19$557
This oojo deal was found by Cheapflights users on 1/20. 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 2/49:25 pm
PHL
-
MAN
2 stops17h 15m
British Airways
Mon 2/97:45 pm
MAN
-
PHL
2 stops22h 45m
British Airways
Deal found 1/20$561
This oojo deal was found by Cheapflights users on 1/20. 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.
Tue 2/176:35 pm
PHL
-
MAN
2 stops13h 50m
British Airways
Tue 2/248:40 pm
MAN
-
PHL
2 stops24h 35m
British Airways
Deal found 1/20$563
This Cheapflightsfares deal was found by Cheapflights users on 1/19. 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 3/259:50 pm
PHL
-
GLA
1 stop17h 50m
British Airways
Tue 3/319:10 pm
GLA
-
PHL
2 stops22h 55m
British Airways
Deal found 1/19$563
This oojo deal was found by Cheapflights users on 1/21. 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 3/116:30 pm
PHL
-
MAN
2 stops15h 25m
British Airways
Wed 3/189:50 am
MAN
-
PHL
1 stop11h 25m
British Airways
Deal found 1/21$564
This oojo deal was found by Cheapflights users on 1/21. 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 3/116:30 pm
PHL
-
MAN
2 stops15h 25m
British Airways
Thu 3/195:40 am
MAN
-
PHL
2 stops14h 40m
British Airways
Deal found 1/21$566
This British Airways deal was found by Cheapflights users on 1/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/412:23 pm
PHL
-
MAN
2 stops17h 32m
British Airways
Thu 2/2610:30 am
MAN
-
PHL
1 stop34h 57m
British Airways
Deal found 1/20$568
This British Airways deal was found by Cheapflights users on 1/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/29:25 pm
PHL
-
MAN
2 stops17h 15m
British Airways
Thu 2/2610:30 am
MAN
-
PHL
1 stop34h 57m
British Airways
Deal found 1/20$569

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 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$530
(Kiwi.com)

One-way from

$167
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$709

Good round-trip deal

$681 or less

Good one-way deal

$356 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 ($193 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 21, 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

Tue 3/3

12:27 pm-9:50 am

2 stops16h 23m

Glasgow Intl

Tue 3/10

9:50 am-5:15 pm

1 stop11h 25m

$554

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 3/11

6:30 pm-1:55 pm

2 stops15h 25m

Manchester

Thu 3/19

9:45 am-5:15 pm

1 stop11h 30m

$564

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 2/4

12:23 pm-10:55 am

2 stops17h 32m

Manchester

Thu 2/26

10:30 am-4:27 pm

1 stop34h 57m

$568

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Sun 2/1

9:25 pm-9:35 pm

2 stops19h 10m

Manchester

Wed 2/25

8:05 am-1:55 pm

1 stop10h 50m

$570

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Tue 2/3

9:25 pm-7:30 pm

2 stops17h 05m

Manchester

Wed 2/25

8:05 am-1:55 pm

1 stop10h 50m

$570

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 2/11

6:35 pm-4:20 pm

2 stops16h 45m

Manchester

Wed 2/18

8:05 am-1:55 pm

1 stop10h 50m

$570

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Mon 4/13

8:25 pm-12:45 pm

1 stop11h 20m

London Luton

Mon 4/20

10:35 am-6:55 pm

1 stop13h 20m

$594

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 4/15

8:25 pm-3:25 pm

1 stop14h 00m

London Luton

Mon 4/20

10:35 am-6:55 pm

1 stop13h 20m

$597

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Wed 4/29

8:25 pm-5:35 pm

1 stop16h 10m

London Stansted

Sun 5/3

8:30 am-6:55 pm

1 stop15h 25m

$597

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Wed 4/15

8:25 pm-12:50 pm

1 stop11h 25m

London Stansted

Mon 4/20

6:30 am-6:55 pm

1 stop17h 25m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 60 results
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6

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 July is currently the most expensive (average of $406). 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 21, 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 21, 2026.

The most flights from PHL to GB0 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).

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 21, 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
1,353 reviews

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

Comfort

7.5

Overall

7.6

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
1,353 reviews
Finnair
7.6
Good
1,353 reviews

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

Comfort

7.5

Overall

7.6

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
11,174 reviews
Finnair
7.6
Good
1,353 reviews

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

Comfort

7.5

Overall

7.6

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
1,441 reviews
Finnair
7.6
Good
1,353 reviews

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

Comfort

7.5

Overall

7.6

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
3,094 reviews
Finnair
7.6
Good
1,353 reviews

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

Comfort

7.5

Overall

7.6

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
7,689 reviews
Finnair
7.6
Good
1,353 reviews

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

Comfort

7.5

Overall

7.6

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 16h 23m. The distance between Philadelphia and United Kingdom is about 3297 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 (87%), American Airlines (84%), Finnair( 84%).

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

    The cheapest flight price from Philadelphia to United Kingdom is $244. On average you can expect to pay $1,788. The most popular route, (Philadelphia - London Heathrow), can usually be booked for $555.

  • 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 July is currently the most expensive (average of $406). 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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Newark to Amsterdam flights
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Newark to Frankfurt flights
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Reagan-National to Heathrow flights
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Top 9 airlines flying from Philadelphia to United Kingdom

Discover the top 9 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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$506Average$901FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$507Average$848FlexibilityNo cancel feeOn-time70%
FinnairCheapest$515Average$861FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$522Average$931FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$560Average$936FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$580Average$714FlexibilityNo cancel feeOn-time62%
IberiaCheapest$595Average$809FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$622Average$857FlexibilityNo cancel feeOn-time76%
DeltaCheapest$766Average$1,096FlexibilityNo cancel feeOn-timeN/A

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