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$183+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$576
(oojo)

One-way from

$183
(Norse)

Popular in

June

Cheapest in

February

Average price

$675

Good round-trip deal

$709 or less

Good one-way deal

$513 or less
Provider with most accurate pricing for Philadelphia-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-London (LON) flights.
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From Philadelphia to United Kingdom
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One-way flight from Philadelphia to United Kingdom
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Philadelphia to United Kingdom.
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Price to beat on a one-way flight from Philadelphia to United Kingdom.
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Find 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 February 20, 2025.

This oojo deal was found by Cheapflights users on 2/19. 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.
Sun 4/1310:10 pmPHL - INV
1 stop31h 05mBritish Airways
Tue 4/223:45 pmINV - PHL
2 stops29h 10mBritish Airways
Deal found 2/19$576
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Wed 4/210:57 amPHL - EDI
2 stops23h 08mMultiple Airlines
Wed 4/96:00 amEDI - PHL
3 stops31h 10mMultiple Airlines
Deal found 2/19$604
This JetBlue deal was found by Cheapflights users on 2/19. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:37 pmPHL - LGW
1 stop9h 58mJetBlue
Fri 9/2612:10 pmLGW - PHL
1 stop14h 20mJetBlue
Deal found 2/19$628
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/18:27 amPHL - LGW
1 stop20h 33mMultiple Airlines
Wed 4/22:00 pmLGW - PHL
1 stop22h 32mMultiple Airlines
Deal found 2/19$629
This JetBlue deal was found by Cheapflights users on 2/18. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2210:11 amPHL - LHR
1 stop15h 44mJetBlue
Sat 3/298:25 amLHR - PHL
1 stop12h 59mJetBlue
Deal found 2/18$630
This oojo deal was found by Cheapflights users on 2/19. 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.
Tue 3/1810:15 pmPHL - GLA
1 stop10h 40mBritish Airways
Tue 3/258:55 amGLA - PHL
1 stop12h 25mBritish Airways
Deal found 2/19$630
This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 4/210:15 pmPHL - MAN
1 stop9h 55mBritish Airways
Thu 4/2410:50 amMAN - PHL
1 stop10h 35mBritish Airways
Deal found 2/19$632
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/910:15 pmPHL - GLA
1 stop12h 20mAmerican Airlines
Mon 3/243:25 pmGLA - PHL
1 stop26h 45mAmerican Airlines
Deal found 2/19$634
This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/197:00 pmPHL - LHR
1 stop8h 50mBritish Airways
Wed 3/2610:40 amLHR - PHL
1 stop10h 45mBritish Airways
Deal found 2/18$636
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/56:30 pmPHL - INV
1 stop10h 55mAmerican Airlines
Sat 4/122:00 pmINV - PHL
1 stop27h 50mAmerican Airlines
Deal found 2/19$636
This FlightHub deal was found by Cheapflights users on 2/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/55:30 pmPHL - LHR
1 stop9h 35mAer Lingus
Wed 3/129:50 amLHR - PHL
1 stop11h 10mAer Lingus
Deal found 2/18$637
This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 4/236:30 pmPHL - EDI
1 stop10h 10mBritish Airways
Wed 4/3010:35 amEDI - PHL
1 stop10h 50mBritish Airways
Deal found 2/19$643

Find flights from Philadelphia to United Kingdom within your budget

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 February 20, 2025.

Fly from

Philadelphia

Fly to

United Kingdom

Route

Depart

Return

Price

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Sat 4/5

9:15 pm-10:10 am

2 stops31h 55m

Inverness

Sat 4/12

2:00 pm-3:55 pm

2 stops30h 55m

$596

PhiladelphiaEdinburgh

PHL - EDI

PHLEDI

Philadelphia

Wed 4/2

10:57 am-3:05 pm

2 stops23h 08m

Edinburgh Turnhouse

Wed 4/9

6:00 am-8:10 am

3 stops31h 10m

$604

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 5/2

6:00 am-7:00 am

1 stop20h 00m

London Gatwick

Thu 5/8

10:00 am-9:22 pm

1 stop16h 22m

$628

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Sat 3/22

10:11 am-5:55 am

1 stop15h 44m

London Heathrow

Sat 3/29

8:25 am-5:24 pm

1 stop12h 59m

$630

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Tue 3/18

10:15 pm-12:55 pm

1 stop10h 40m

Glasgow Intl

Tue 3/25

8:55 am-5:20 pm

1 stop12h 25m

$630

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 4/2

10:15 pm-1:10 pm

1 stop9h 55m

Manchester

Thu 4/24

10:50 am-4:25 pm

1 stop10h 35m

$632

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Sun 3/9

10:15 pm-2:35 pm

1 stop12h 20m

Glasgow Intl

Mon 3/24

3:25 pm-2:10 pm

1 stop26h 45m

$634

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Wed 3/5

5:30 pm-8:05 am

1 stop9h 35m

London Heathrow

Wed 3/12

9:50 am-5:00 pm

1 stop11h 10m

$637

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Sat 4/5

6:30 pm-10:25 am

1 stop10h 55m

Inverness

Sat 4/12

2:00 pm-12:50 pm

1 stop27h 50m

$637

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 3/12

12:28 pm-7:00 am

2 stops14h 32m

Manchester

Wed 3/19

12:00 pm-8:56 am

2 stops24h 56m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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.

Travel insights for flights from Philadelphia to United Kingdom

Get recent, data-driven insights about flights from Philadelphia to United Kingdom including ideal travel times, pricing trends, and more.

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 $661). Flying from Philadelphia to United Kingdom in June is currently the most expensive (average of $1,136). 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 February 20, 2025.

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 February 20, 2025.

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).

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 February 20, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Philadelphia to 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.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 ($244), British Airways ($406), and Aer Lingus ($406).

  • 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 - London City.

  • 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 (73%), American Airlines (72%), Finnair( 72%).

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

    The cheapest flight price from Philadelphia to United Kingdom is $434. On average you can expect to pay $1,734. The most popular route, (Philadelphia - London Heathrow), can usually be booked for $589.

  • 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 $661). Flying from Philadelphia to United Kingdom in June is currently the most expensive (average of $1,136). 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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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$467Average$698FlexibilityNo cancel feeOn-time62%
LufthansaCheapest$525Average$981FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$529Average$990FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$557Average$953FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$586Average$842FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$614Average$920FlexibilityNo cancel feeOn-time70%
IberiaCheapest$618Average$784FlexibilityNo cancel feeOn-time77%
DeltaCheapest$623Average$998FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$626Average$908FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$656Average$1,044FlexibilityNo cancel feeOn-time72%
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