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$220+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
abr. 20 — abr. 271
dom. 4/20
dom. 4/27
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 abril 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$561
(oojo)

One-way from

$225
(Norse)

Popular in

June

Cheapest in

February

Average price

$757

Good round-trip deal

$719 or less

Good one-way deal

$501 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
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Highest demand for flights based on searches. 18% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/2110:20 pmPHL - EDI
1 stop12h 15mBritish Airways
jue. 10/211:35 amEDI - PHL
Nonstop7h 25mBritish Airways
Deal found 4/15$557
This oojo deal was found by Cheapflights users on 4/14. 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.
mar. 8/196:30 pmPHL - INV
2 stops15h 25mBritish Airways
mar. 8/263:45 pmINV - PHL
2 stops29h 55mBritish Airways
Deal found 4/14$559
This American Airlines deal was found by Cheapflights users on 4/14. 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.
mar. 8/1910:25 pmPHL - INV
1 stop11h 30mAmerican Airlines
mar. 8/263:45 pmINV - PHL
1 stop28h 25mAmerican Airlines
Deal found 4/14$561
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/287:55 pmPHL - LHR
Nonstop7h 10mIberia
mié. 5/71:30 pmLHR - PHL
Nonstop7h 55mIberia
Deal found 4/15$592
This oojo deal was found by Cheapflights users on 4/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/279:36 amPHL - LGW
1 stop20h 04mBritish Airways
mar. 5/62:30 pmLGW - PHL
1 stop23h 05mBritish Airways
Deal found 4/15$601
This United deal was found by Cheapflights users on 4/15. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/216:30 amPHL - EDI
1 stop20h 55mUnited Airlines
jue. 10/211:30 amEDI - PHL
2 stops27h 03mUnited Airlines
Deal found 4/15$603
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/285:10 pmPHL - LHR
1 stop10h 55mAmerican Airlines
mié. 5/78:45 amLHR - PHL
1 stop12h 40mAmerican Airlines
Deal found 4/15$606
This lastminute.com deal was found by Cheapflights users on 4/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/277:25 pmPHL - LHR
1 stop13h 05mVirgin Atlantic
mar. 5/69:40 amLHR - PHL
1 stop11h 48mVirgin Atlantic
Deal found 4/15$609
This American Airlines deal was found by Cheapflights users on 4/14. 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.
dom. 8/176:35 pmPHL - INV
1 stop10h 35mMultiple Airlines
dom. 9/148:55 pmINV - PHL
1 stop24h 30mMultiple Airlines
Deal found 4/14$612
This Air Canada deal was found by Cheapflights users on 4/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/284:25 pmPHL - LHR
1 stop14h 25mMultiple Airlines
mié. 5/76:50 amLHR - PHL
2 stops12h 46mMultiple Airlines
Deal found 4/15$620
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/237:58 pmPHL - LHR
1 stop29h 57mUnited Airlines
jue. 9/43:50 pmLHR - PHL
1 stop23h 00mUnited Airlines
Deal found 4/15$623
This Justfly.com deal was found by Cheapflights users on 4/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/233:20 pmPHL - LHR
2 stops24h 40mAir Canada
jue. 9/49:30 amLHR - PHL
1 stop10h 10mAir Canada
Deal found 4/15$624

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 abril 15, 2025.
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

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

lun. 4/28

7:55 pm-8:05 am

Nonstop7h 10m

London Heathrow

mié. 5/7

1:30 pm-4:25 pm

Nonstop7h 55m

$592

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

dom. 4/27

9:36 am-10:40 am

1 stop20h 04m

London Gatwick

mar. 5/6

2:30 pm-8:35 am

1 stop23h 05m

$601

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

lun. 4/28

5:10 pm-9:05 am

1 stop10h 55m

London Heathrow

mié. 5/7

8:45 am-4:25 pm

1 stop12h 40m

$606

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

jue. 5/8

4:05 pm-2:35 pm

2 stops17h 30m

Inverness

vie. 5/16

10:25 am-4:20 pm

1 stop10h 55m

$608

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

dom. 4/27

7:25 pm-1:30 pm

1 stop13h 05m

London Heathrow

mar. 5/6

9:40 am-4:28 pm

1 stop11h 48m

$609

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

lun. 4/28

4:25 pm-11:50 am

1 stop14h 25m

London Heathrow

mié. 5/7

6:50 am-2:36 pm

2 stops12h 46m

$620

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

dom. 4/27

10:25 am-6:45 am

1 stop15h 20m

London Heathrow

mar. 5/6

6:15 am-4:36 pm

2 stops15h 21m

$631

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

lun. 4/28

6:35 pm-4:25 pm

2 stops16h 50m

Glasgow Intl

mié. 5/7

5:50 am-4:25 pm

2 stops15h 35m

$640

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

dom. 9/14

10:20 am-6:35 am

1 stop15h 15m

London Gatwick

mié. 10/1

2:30 pm-12:55 pm

1 stop27h 25m

$642

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

lun. 4/28

10:10 pm-4:45 pm

1 stop13h 35m

Glasgow Intl

mié. 5/7

5:50 am-12:50 pm

1 stop12h 00m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 $661). Flying from Philadelphia to United Kingdom in June is currently the most expensive (average of $1,110). 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 abril 15, 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 abril 15, 2025.

The most flights from PHL to GB0 are scheduled on a Monday (15 on average). You will have fewer flight options on Wednesday, 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 abril 15, 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
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
7,918 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
1,323 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
1,269 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
1,578 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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 ($319), Iberia ($379), and Aer Lingus ($393).

  • 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: Malaysia Airlines (88%), American Airlines (82%), Finnair( 82%).

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

    The cheapest flight price from Philadelphia to United Kingdom is $430. On average you can expect to pay $1,278. The most popular route, (Philadelphia - London Heathrow), can usually be booked for $568.

  • 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 $1,110). 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 abril 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$454Average$722FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$557Average$976FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$593Average$859FlexibilityNo cancel feeOn-time71%
IberiaCheapest$618Average$832FlexibilityNo cancel feeOn-time77%
DeltaCheapest$623Average$1,026FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$626Average$897FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$628Average$899FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$656Average$962FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$673Average$937FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$691Average$994FlexibilityNo cancel feeOn-time76%

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