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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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LHR
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$452
(British Airways)

One-way from

$183
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$713

Good round-trip deal

$688 or less

Good one-way deal

$411 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. 19% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This British Airways deal was found by Cheapflights users on 1/6. 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 3/44:33 pmPHL - INV
2 stops21h 27mBritish Airways
Sun 3/88:05 pmINV - PHL
2 stops46h 50mBritish Airways
Deal found 1/6$452
This oojo deal was found by Cheapflights users on 1/7. 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.
Sat 2/219:30 pmPHL - INV
2 stops40h 30mBritish Airways
Sat 2/288:15 pmINV - PHL
2 stops24h 45mBritish Airways
Deal found 1/7$489
This British Airways deal was found by Cheapflights users on 1/7. 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 3/99:50 pmPHL - INV
2 stops31h 50mBritish Airways
Sat 3/148:15 pmINV - PHL
2 stops46h 40mBritish Airways
Deal found 1/7$503
This oojo deal was found by Cheapflights users on 1/7. 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.
Fri 5/16:45 pmPHL - INV
1 stop21h 50mBritish Airways
Fri 5/87:50 amINV - PHL
1 stop13h 50mBritish Airways
Deal found 1/7$509
This KAYAK deal was found by Cheapflights users on 1/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:45 pmPHL - INV
1 stop21h 55mBritish Airways
Sun 10/182:50 pmINV - PHL
2 stops55h 50mBritish Airways
Deal found 1/6$530
This Netflights deal was found by Cheapflights users on 1/6. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/252:30 pmPHL - MAN
1 stop13h 10mVirgin Atlantic
Tue 2/171:30 pmMAN - PHL
1 stop15h 54mVirgin Atlantic
Deal found 1/6$537
This oojo deal was found by Cheapflights users on 1/6. 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 2/44:44 pmPHL - MAN
2 stops17h 16mBritish Airways
Wed 2/116:30 pmMAN - PHL
2 stops24h 25mBritish Airways
Deal found 1/6$545
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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.
Sun 2/159:57 pmPHL - GLA
2 stops19h 33mBritish Airways
Tue 3/37:25 amGLA - PHL
1 stop13h 50mBritish Airways
Deal found 1/7$548
This Cheapflightsfares deal was found by Cheapflights users on 1/5. 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 3/187:35 pmPHL - MAN
1 stop11h 20mBritish Airways
Tue 3/318:10 amMAN - PHL
1 stop15h 50mBritish Airways
Deal found 1/5$551
This Cheapflightsfares deal was found by Cheapflights users on 1/6. 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 2/256:35 pmPHL - GLA
1 stop13h 15mBritish Airways
Mon 3/28:10 pmGLA - PHL
2 stops25h 05mBritish Airways
Deal found 1/6$552
This oojo deal was found by Cheapflights users on 1/6. 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 2/44:44 pmPHL - MAN
2 stops17h 16mBritish Airways
Mon 2/92:50 pmMAN - PHL
2 stops28h 15mBritish Airways
Deal found 1/6$553
This oojo deal was found by Cheapflights users on 1/6. 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 2/34:44 pmPHL - GLA
2 stops15h 21mBritish Airways
Wed 2/118:40 amGLA - PHL
1 stop12h 35mBritish Airways
Deal found 1/6$555

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 8, 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

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Wed 3/4

10:25 am-7:00 pm

2 stops27h 35m

Inverness

Sun 3/8

8:05 pm-2:55 pm

2 stops46h 50m

$452

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Sat 2/21

9:30 pm-7:00 pm

2 stops40h 30m

Inverness

Sat 2/28

8:15 pm-4:00 pm

2 stops24h 45m

$489

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Mon 3/9

9:50 pm-9:40 am

2 stops31h 50m

Inverness

Sat 3/14

8:15 pm-2:55 pm

2 stops46h 40m

$503

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 2/25

4:45 pm-1:55 pm

2 stops16h 10m

Manchester

Thu 3/5

7:30 pm-1:55 pm

2 stops23h 25m

$546

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Tue 2/3

3:35 pm-10:45 am

2 stops14h 10m

Glasgow Intl

Wed 2/11

8:10 pm-4:15 pm

2 stops25h 05m

$557

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Wed 2/4

6:35 pm-10:55 am

1 stop11h 20m

Manchester

Tue 2/10

7:25 pm-2:05 pm

2 stops23h 40m

$558

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Tue 2/3

6:35 pm-11:25 am

1 stop11h 50m

Manchester

Tue 2/10

7:25 pm-2:05 pm

2 stops23h 40m

$558

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Wed 4/22

8:25 pm-2:55 pm

1 stop13h 30m

Glasgow Intl

Tue 4/28

8:20 am-6:55 pm

1 stop15h 35m

$559

PhiladelphiaInverness

PHL - INV

PHLINV

Philadelphia

Thu 4/2

6:45 pm-9:35 pm

1 stop21h 50m

Inverness

Sat 4/11

7:20 am-10:52 am

2 stops32h 32m

$562

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Tue 2/10

9:25 pm-12:40 pm

1 stop10h 15m

London City

Tue 2/17

6:50 am-1:55 pm

1 stop12h 05m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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 July is currently the most expensive (average of $403). 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 8, 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 8, 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 8, 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
1,346 reviews

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.7

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
1,346 reviews
Finnair
7.6
Good
1,346 reviews

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.7

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
11,097 reviews
Finnair
7.6
Good
1,346 reviews

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.7

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
1,429 reviews
Finnair
7.6
Good
1,346 reviews

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.7

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
3,079 reviews
Finnair
7.6
Good
1,346 reviews

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.7

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
7,659 reviews
Finnair
7.6
Good
1,346 reviews

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.7

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 15h 19m. 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 $514.

  • 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 $403). 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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LaGuardia to Leonardo da Vinci/Fiumicino flights
Newark to Amsterdam flights
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John F Kennedy Intl to Zurich flights
Newark to London City flights
Newark to Stansted flights
Dulles Intl to Istanbul flights
Newark to Zurich flights
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LaGuardia to Athens flights
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Reagan-National to Heathrow flights
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John F Kennedy Intl to Frankfurt flights
LaGuardia to Lisbon 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 8, 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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