How long is the flight from Philadelphia to United Kingdom?

Departing from Philadelphia to United Kingdom will take you 10h 15m. 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 ($289), SWISS ($409), and British Airways ($444).

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.

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).

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 cheapest flights from Philadelphia to United Kingdom?

The cheapest flight price from Philadelphia to United Kingdom is $410. On average you can expect to pay $1,779. The most popular route, (Philadelphia - London Heathrow), can usually be booked for $579.

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 (83%), Iberia (79%), Finnair( 79%).

What are the most popular airlines that fly from Philadelphia to United Kingdom?

British Airways, American Airlines and Iberia are the most popular airlines when flying from Philadelphia to United Kingdom.

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.

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.

$176+ Cheap Flights from Philadelphia to the United Kingdom

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Cheap flight deals from Philadelphia to United Kingdom

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$524 (Kiwi.com)
One-way from	$176 (Norse)
Popular in	June
Cheapest in	September
Average price	$680
Good round-trip deal	$673 or less
Good one-way deal	$412 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. 18% potential increase in price ($184 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 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 October 13, 2025.

Tue 10/219:14 pmPHL - LGW

1 stop31h 46mMultiple Airlines

Fri 10/312:00 pmLGW - PHL

1 stop24h 25mMultiple Airlines

Deal found 10/10

$528

Wed 10/228:00 amPHL - LGW

1 stop21h 00mMultiple Airlines

Fri 10/312:00 pmLGW - PHL

1 stop24h 25mMultiple Airlines

Deal found 10/10

$539

Tue 12/25:30 pmPHL - LTN

1 stop11h 15mMultiple Airlines

Tue 12/99:00 amLTN - PHL

1 stop12h 00mMultiple Airlines

Deal found 10/13

$540

Wed 11/265:30 pmPHL - STN

1 stop9h 20mMultiple Airlines

Wed 12/36:30 amSTN - PHL

1 stop14h 30mMultiple Airlines

Deal found 10/12

$540

Tue 12/25:30 pmPHL - LGW

1 stop9h 50mMultiple Airlines

Tue 12/98:50 amLGW - PHL

1 stop12h 10mMultiple Airlines

Deal found 10/13

$540

Mon 10/205:05 amPHL - LGW

1 stop23h 55mMultiple Airlines

Fri 10/312:00 pmLGW - PHL

1 stop24h 25mMultiple Airlines

Deal found 10/10

$541

Wed 11/265:30 pmPHL - LTN

1 stop10h 05mMultiple Airlines

Wed 12/36:50 amLTN - PHL

1 stop14h 10mMultiple Airlines

Deal found 10/12

$543

Mon 11/103:30 pmPHL - LGW

3 stops24h 30mMultiple Airlines

Mon 11/179:30 pmLGW - PHL

3 stops22h 17mMultiple Airlines

Deal found 10/13

$547

Mon 11/175:30 pmPHL - LTN

1 stop10h 05mMultiple Airlines

Tue 11/259:00 amLTN - PHL

1 stop12h 00mMultiple Airlines

Deal found 10/11

$549

Mon 11/103:30 pmPHL - STN

3 stops24h 50mMultiple Airlines

Mon 11/179:45 pmSTN - PHL

3 stops22h 02mMultiple Airlines

Deal found 10/13

$549

Wed 12/33:30 pmPHL - LGW

3 stops24h 35mMultiple Airlines

Mon 12/85:55 pmLGW - PHL

3 stops25h 52mMultiple Airlines

Deal found 10/12

$555

Tue 11/189:20 amPHL - STN

2 stops19h 30mMultiple Airlines

Tue 11/256:30 amSTN - PHL

3 stops21h 16mMultiple Airlines

Deal found 10/12

$556

Best flights from Philadelphia to United Kingdom
Discover carefully curated flight deals from Philadelphia to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2025.

Tue 12/25:30 pmPHL - LTN

1 stop11h 15mMultiple Airlines

Tue 12/99:00 amLTN - PHL

1 stop12h 00mMultiple Airlines

Deal found 10/13

$540

Mon 11/106:35 pmPHL - GLA

1 stop10h 15mBritish Airways

Mon 11/178:25 pmGLA - PHL

1 stop24h 50mBritish Airways

Deal found 10/12

$598

Sun 12/76:00 amPHL - LHR

2 stops29h 00mScandinavian Airlines

Sat 12/136:40 amLHR - PHL

2 stops18h 37mScandinavian Airlines

Deal found 10/12

$601

Sun 10/266:08 pmPHL - MAN

2 stops12h 47mAmerican Airlines

Thu 11/68:05 amMAN - PHL

1 stop10h 50mAmerican Airlines

Deal found 10/12

$608

Sat 11/85:02 pmPHL - MAN

1 stop32h 28mDelta

Thu 11/201:30 pmMAN - PHL

1 stop14h 20mDelta

Deal found 10/13

$614

Mon 10/276:00 amPHL - LHR

2 stops21h 10mUnited Airlines

Tue 11/46:35 amLHR - PHL

2 stops21h 11mUnited Airlines

Deal found 10/11

$615

Mon 10/2012:19 pmPHL - GLA

2 stops14h 51mKLM

Tue 11/46:05 amGLA - PHL

2 stops15h 30mKLM

Deal found 10/13

$617

Sat 10/183:31 pmPHL - LGW

1 stop13h 04mJetBlue

Wed 10/2212:10 pmLGW - PHL

1 stop14h 45mJetBlue

Deal found 10/13

$658

Tue 11/119:22 amPHL - LGW

3 stops43h 03mTAP AIR PORTUGAL

Tue 11/184:35 pmLGW - PHL

2 stops33h 05mTAP AIR PORTUGAL

Deal found 10/13

$762

Tue 12/25:30 pmPHL - STN

1 stop11h 20mMultiple Airlines

Tue 12/96:30 amSTN - PHL

1 stop14h 30mMultiple Airlines

Deal found 10/13

$540

Sun 12/145:30 pmPHL - LBA

1 stop9h 35mAer Lingus

Mon 12/298:45 amLBA - PHL

1 stop10h 10mAer Lingus

Deal found 10/13

$1,155

Thu 1/296:15 amPHL - LHR

2 stops28h 45mScandinavian Airlines

Mon 2/26:40 amLHR - PHL

2 stops21h 16mScandinavian Airlines

Deal found 10/13

$601

Mon 11/175:30 pmPHL - LTN

1 stop10h 05mMultiple Airlines

Tue 11/259:00 amLTN - PHL

1 stop12h 00mMultiple Airlines

Deal found 10/11

$549

Wed 12/36:35 pmPHL - GLA

1 stop18h 40mBritish Airways

Mon 12/88:25 pmGLA - PHL

1 stop24h 50mBritish Airways

Deal found 10/12

$607

Mon 11/38:00 pmPHL - LHR

1 stop9h 50mUnited Airlines

Tue 11/117:30 amLHR - PHL

1 stop13h 35mUnited Airlines

Deal found 10/12

$621

Tue 10/289:46 amPHL - GLA

2 stops18h 44mDelta

Wed 11/56:05 amGLA - PHL

2 stops15h 30mDelta

Deal found 10/13

$625

Mon 11/175:30 pmPHL - STN

1 stop9h 20mMultiple Airlines

Tue 11/258:30 amSTN - PHL

1 stop12h 30mMultiple Airlines

Deal found 10/11

$549

Wed 11/126:35 pmPHL - MAN

1 stop11h 20mBritish Airways

Mon 11/172:50 pmMAN - PHL

1 stop30h 25mBritish Airways

Deal found 10/13

$609

Mon 11/310:05 amPHL - LHR

2 stops16h 05mUnited Airlines

Mon 11/101:50 pmLHR - PHL

2 stops37h 56mUnited Airlines

Deal found 10/11

$625

Mon 10/279:46 amPHL - GLA

2 stops18h 44mDelta

Thu 11/69:05 amGLA - PHL

2 stops16h 55mDelta

Deal found 10/13

$625

Fri 3/276:00 pmPHL - BHD

2 stops12h 30mAmerican Airlines

Fri 4/39:30 amBHD - PHL

1 stop11h 00mAmerican Airlines

Deal found 10/12

$693

Mon 11/107:25 pmPHL - LBA

2 stops16h 20mKLM

Mon 11/1712:50 pmLBA - PHL

2 stops17h 01mKLM

Deal found 10/11

$694

Fri 12/52:24 pmPHL - LHR

2 stops20h 36mScandinavian Airlines

Mon 12/86:40 amLHR - PHL

2 stops19h 57mScandinavian Airlines

Deal found 10/11

$631

Tue 11/116:35 pmPHL - MAN

1 stop11h 25mBritish Airways

Mon 11/178:05 pmMAN - PHL

1 stop25h 10mBritish Airways

Deal found 10/13

$609

Tue 11/189:20 amPHL - STN

2 stops19h 30mMultiple Airlines

Tue 11/256:30 amSTN - PHL

3 stops21h 16mMultiple Airlines

Deal found 10/12

$556

Wed 10/292:25 pmPHL - GLA

2 stops22h 10mDelta

Thu 11/66:05 amGLA - PHL

2 stops21h 08mDelta

Deal found 10/13

$625

Thu 11/1310:15 amPHL - LHR

2 stops24h 45mScandinavian Airlines

Sat 12/66:40 amLHR - PHL

2 stops18h 37mScandinavian Airlines

Deal found 10/12

$631

Tue 11/186:00 amPHL - LGW

2 stops22h 50mTAP AIR PORTUGAL

Sun 11/239:05 amLGW - PHL

3 stops27h 40mTAP AIR PORTUGAL

Deal found 10/13

$790

Mon 11/106:35 pmPHL - MAN

1 stop12h 10mBritish Airways

Thu 11/208:50 amMAN - PHL

1 stop12h 25mBritish Airways

Deal found 10/13

$609

Tue 10/2812:10 pmPHL - GLA

2 stops16h 20mDelta

Thu 11/66:05 amGLA - PHL

2 stops15h 30mDelta

Deal found 10/13

$625

Last-minute flights from Philadelphia to United Kingdom
Discover last-minute flight deals from Philadelphia to United Kingdom. Data last updated October 13, 2025 and is based on user searches.

Mon 10/205:05 amPHL - LGW

1 stop23h 55mMultiple Airlines

Fri 10/312:00 pmLGW - PHL

1 stop24h 25mMultiple Airlines

Deal found 10/10

$541

Tue 10/219:14 pmPHL - LGW

1 stop31h 46mMultiple Airlines

Fri 10/312:00 pmLGW - PHL

1 stop24h 25mMultiple Airlines

Deal found 10/10

$528

Wed 10/228:00 amPHL - LGW

1 stop21h 00mMultiple Airlines

Fri 10/312:00 pmLGW - PHL

1 stop24h 25mMultiple Airlines

Deal found 10/10

$539

Tue 11/45:40 pmPHL - STN

2 stops15h 40mMultiple Airlines

Mon 11/106:45 pmSTN - PHL

2 stops26h 20mMultiple Airlines

Deal found 10/10

$564

Tue 11/45:40 pmPHL - LGW

2 stops18h 35mMultiple Airlines

Mon 11/109:30 pmLGW - PHL

2 stops23h 35mMultiple Airlines

Deal found 10/10

$564

Tue 11/45:40 pmPHL - LTN

2 stops21h 25mMultiple Airlines

Mon 11/107:05 pmLTN - PHL

2 stops26h 00mMultiple Airlines

Deal found 10/10

$566

Mon 11/103:30 pmPHL - LGW

3 stops24h 30mMultiple Airlines

Mon 11/179:30 pmLGW - PHL

3 stops22h 17mMultiple Airlines

Deal found 10/13

$547

Mon 11/103:30 pmPHL - STN

3 stops24h 50mMultiple Airlines

Mon 11/179:45 pmSTN - PHL

3 stops22h 02mMultiple Airlines

Deal found 10/13

$549

Mon 11/175:30 pmPHL - LTN

1 stop10h 05mMultiple Airlines

Tue 11/259:00 amLTN - PHL

1 stop12h 00mMultiple Airlines

Deal found 10/11

$549

Tue 11/189:20 amPHL - STN

2 stops19h 30mMultiple Airlines

Tue 11/256:30 amSTN - PHL

3 stops21h 16mMultiple Airlines

Deal found 10/12

$556

Wed 11/265:30 pmPHL - STN

1 stop9h 20mMultiple Airlines

Wed 12/36:30 amSTN - PHL

1 stop14h 30mMultiple Airlines

Deal found 10/12

$540

Wed 11/265:30 pmPHL - LTN

1 stop10h 05mMultiple Airlines

Wed 12/36:50 amLTN - PHL

1 stop14h 10mMultiple Airlines

Deal found 10/12

$543

One-way flights from Philadelphia to United Kingdom
Search for one-way flight options from Philadelphia to United Kingdom. Find affordable one-way fares based on user searches. Data last updated October 13, 2025.

Mon 10/201:58 pmPHL - LGW

1 stop15h 02mMultiple Airlines

Deal found 10/12

$176

Tue 11/116:50 pmPHL - LGW

2 stops30h 10mMultiple Airlines

Deal found 10/13

$228

Fri 2/67:00 amPHL - LGW

1 stop22h 00mMultiple Airlines

Deal found 10/13

$229

Sun 11/96:24 pmPHL - LGW

2 stops34h 26mMultiple Airlines

Deal found 10/10

$242

Mon 1/1210:00 pmPHL - EDI

3 stops31h 05mMultiple Airlines

Deal found 10/12

$243

Thu 12/116:20 amPHL - LGW

2 stops22h 40mMultiple Airlines

Deal found 10/11

$244

Tue 1/134:56 pmPHL - EDI

3 stops44h 29mMultiple Airlines

Deal found 10/12

$253

Sat 11/156:00 amPHL - LHR

1 stop19h 55mJetBlue

Deal found 10/13

$255

Thu 11/67:54 pmPHL - LHR

3 stops40h 36mMultiple Airlines

Deal found 10/13

$257

Thu 12/410:24 amPHL - LHR

1 stop15h 31mJetBlue

Deal found 10/13

$258

Thu 12/410:22 amPHL - LGW

2 stops28h 03mMultiple Airlines

Deal found 10/13

$261

Tue 11/116:50 pmPHL - LTN

3 stops45h 05mMultiple Airlines

Deal found 10/13

$263

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 12/2

5:30 pm-9:45 am

1 stop11h 15m

London Luton

Tue 12/9

9:00 am-4:00 pm

1 stop12h 00m

$540

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Tue 12/2

5:30 pm-9:50 am

1 stop11h 20m

London Stansted

Tue 12/9

6:30 am-4:00 pm

1 stop14h 30m

$540

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Mon 11/17

5:30 pm-8:35 am

1 stop10h 05m

London Luton

Tue 11/25

9:00 am-4:00 pm

1 stop12h 00m

$549

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Mon 11/17

5:30 pm-7:50 am

1 stop9h 20m

London Stansted

Tue 11/25

8:30 am-4:00 pm

1 stop12h 30m

$549

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Tue 11/18

9:20 am-9:50 am

2 stops19h 30m

London Stansted

Tue 11/25

6:30 am-10:46 pm

3 stops21h 16m

$556

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Mon 11/10

6:35 pm-9:50 am

1 stop10h 15m

Glasgow Intl

Mon 11/17

8:25 pm-4:15 pm

1 stop24h 50m

$598

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Sun 12/7

6:00 am-4:00 pm

2 stops29h 00m

London Heathrow

Sat 12/13

6:40 am-8:17 pm

2 stops18h 37m

$601

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Thu 1/29

6:15 am-4:00 pm

2 stops28h 45m

London Heathrow

Mon 2/2

6:40 am-10:56 pm

2 stops21h 16m

$601

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Wed 12/3

6:35 pm-6:15 pm

1 stop18h 40m

Glasgow Intl

Mon 12/8

8:25 pm-4:15 pm

1 stop24h 50m

$607

PhiladelphiaManchester

PHL - MAN

PHLMAN

Philadelphia

Sun 10/26

6:08 pm-10:55 am

2 stops12h 47m

Manchester

Thu 11/6

8:05 am-1:55 pm

1 stop10h 50m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 60 results

...

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, August is the cheapest month in which you can book a flight from Philadelphia to United Kingdom (average of $144). Flying from Philadelphia to United Kingdom in June is currently the most expensive (average of $480). 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?

One of the essential ways to save on airfare from Philadelphia to United Kingdom is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 12% on airfare.

What is the cheapest day to fly from Philadelphia to United Kingdom?

Travelers seeking maximum savings on their Philadelphia to United Kingdom flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Philadelphia to United Kingdom

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).

Reviews of airlines servicing United Kingdom

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

1,332 reviews

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

1,332 reviews

Finnair

7.6

Good

1,332 reviews

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

11,043 reviews

Finnair

7.6

Good

1,332 reviews

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

1,335 reviews

Finnair

7.6

Good

1,332 reviews

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

2,988 reviews

Finnair

7.6

Good

1,332 reviews

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

7,454 reviews

Finnair

7.6

Good

1,332 reviews

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

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 10h 15m. 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 ($289), SWISS ($409), and British Airways ($444).
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 (83%), Iberia (79%), Finnair( 79%).
What are the cheapest flights from Philadelphia to United Kingdom?
The cheapest flight price from Philadelphia to United Kingdom is $410. On average you can expect to pay $1,779. The most popular route, (Philadelphia - London Heathrow), can usually be booked for $579.
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, August is the cheapest month in which you can book a flight from Philadelphia to United Kingdom (average of $144). Flying from Philadelphia to United Kingdom in June is currently the most expensive (average of $480). 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

Browse thousands of different options on Cheapflights for your next trip

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Philadelphia to United Kingdom flights

Top 10 airlines flying from Philadelphia to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$507	Average$714	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$508	Average$898	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$510	Average$830	FlexibilityNo cancel fee	On-time70%
Finnair	Cheapest$515	Average$862	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$523	Average$933	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$541	Average$824	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$560	Average$826	FlexibilityNo cancel fee	On-time69%
Iberia	Cheapest$590	Average$823	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$622	Average$890	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$784	Average$1,138	FlexibilityNo cancel fee	On-timeN/A

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$176+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.

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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 October 13, 2025.

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Find flight deals from Philadelphia to United Kingdom

Cheapest flights from Philadelphia to United KingdomExplore 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 October 13, 2025.

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 October 13, 2025.

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Use the filters below to find and compare flights from Philadelphia to the United Kingdom that are best for you.

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.

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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?

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 October 13, 2025.

What is the cheapest day to fly from Philadelphia to United Kingdom?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to United Kingdom. Price data was last updated on December 16, 2024.

Weekly flight availability from Philadelphia to United Kingdom

Reviews of airlines servicing United Kingdom

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.

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.

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

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What are the cheapest flights from Philadelphia to United Kingdom?

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

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Alternative routes for Philadelphia to United Kingdom

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Top 10 airlines flying from Philadelphia to United Kingdom

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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 October 13, 2025.