When is the best time to book a flight to Philadelphia?

The price you pay for your flight to Philadelphia may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What airport do you fly into for flights to Philadelphia?

If you book a flight to Philadelphia, you will be flying into Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 14 flights from London to Philadelphia per day from 11 different airlines.

What is the cheapest month to fly to Philadelphia?

March is currently the cheapest month to fly to Philadelphia . At this moment in time July is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

Can I find cheaper flights to Philadelphia if I am willing to have stopovers?

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Philadelphia on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Philadelphia?

Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Philadelphia.

What is the cheapest airport to fly to in Philadelphia?

Philadelphia is currently the cheapest airport to fly to in Philadelphia. One-way flights to Philadelphia typically cost £38, while return flights cost around £80.

How much is a return flight to Philadelphia?

A return flight to Philadelphia will typically cost around £210, however they can be found for as little as £109.

Where does the fastest flight to Philadelphia depart from?

For those looking to save time traveling to Philadelphia, Edinburgh Turnhouse offers the quickest one-way flight (7 hours 20 minutes).

Does Philadelphia have car hire?

Yes. Those touching down at Philadelphia can take advantage of the car hire services offered upon their arrival.

Are there hotels close to Philadelphia?

Yes. Philadelphia has hotels nearby for those requiring accommodations. Philadelphia Airport Marriott is the closest property to Philadelphia (0.0 mi away from Philadelphia).

When is the cheapest time to fly to Philadelphia?

Users looking for the lowest fares to Philadelphia should consider flying on Tuesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday evenings, when prices are usually at their highest.

What are the most popular airlines that fly to Philadelphia?

The most popular airlines flying from London to Philadelphia are British Airways, Finnair and Iberia.

How long is the flight to Philadelphia?

On average, a flight from London to Philadelphia takes 18 hours 49 minutes. Flights to Philadelphia from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Philadelphia

The most flights from London to Philadelphia are scheduled on a Monday (15 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (10 on average).

What are the cheapest airlines that fly to Philadelphia?

The cheapest airlines flying from London to Philadelphia are United Airlines, Icelandair and Air Canada.

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

If weather is an important factor for your trip to Philadelphia, 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 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Cheap Flights to Philadelphia from £385

Flights to Philadelphia in 2025

Return from	£448
One-way from	£385
Popular in	August
Cheapest in	February
Average price	£498
Good round-trip deal	£511 or less
Good one-way deal	£560 or less

Air Canada
11/10-12/10
3 total stops
39h 03m total
London to Philadelphia

Search Deals

3/11
3 total stops
28h 20m total
London to Philadelphia

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£31 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for return flights in September 2025

Search Deals

Price to beat on a round-trip flight from London to Philadelphia.

Search Deals

Price to beat on a one-way flight from London to Philadelphia.

Search Deals

Find flight deals to Philadelphia

Cheapest flights to Philadelphia
Explore the most affordable flight options available to Philadelphia. Find the lowest fares based on data from user searches, with prices last updated on 11 September 2025.

Sat 11/1006:50LHR - PHL

2 stops19h 48mAir Canada

Sun 12/1009:20PHL - LHR

1 stop19h 15mAir Canada

Deal found 11/9£448

Fri 7/1114:00LGW - PHL

2 stops26h 29mMultiple Airlines

Thu 4/1207:00PHL - LGW

1 stop22h 00mMultiple Airlines

Deal found 11/9£448

Thu 25/908:15STN - PHL

1 stop15h 45mMultiple Airlines

Sun 28/920:30PHL - STN

1 stop15h 25mMultiple Airlines

Deal found 11/9£449

Fri 28/1106:30LHR - PHL

1 stop12h 25mBritish Airways

Wed 3/1215:00PHL - LHR

1 stop10h 30mBritish Airways

Deal found 11/9£449

Sun 26/1007:40LHR - PHL

2 stops17h 41mUnited Airlines

Sun 2/1120:00PHL - LHR

2 stops30h 10mUnited Airlines

Deal found 11/9£450

Mon 3/1114:00LGW - PHL

1 stop16h 24mMultiple Airlines

Sat 6/1211:50PHL - LGW

2 stops17h 15mMultiple Airlines

Deal found 11/9£450

Fri 28/1106:30LHR - PHL

1 stop12h 25mBritish Airways

Wed 3/1218:35PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 10/9£450

Wed 8/1012:30LHR - PHL

Nonstop8h 05mBritish Airways

Wed 15/1019:50PHL - LHR

Nonstop7h 05mBritish Airways

Deal found 10/9£451

Fri 28/1113:30LHR - PHL

2 stops14h 26mMultiple Airlines

Wed 3/1215:30PHL - LHR

1 stop10h 40mMultiple Airlines

Deal found 10/9£452

Sun 21/906:50LHR - PHL

2 stops12h 48mAir Canada

Sun 28/910:35PHL - LHR

2 stops14h 55mAir Canada

Deal found 10/9£453

Mon 22/908:30LHR - PHL

1 stop12h 30mLufthansa

Mon 29/917:35PHL - LHR

1 stop11h 05mLufthansa

Deal found 10/9£453

Mon 22/914:00LGW - PHL

1 stop14h 59mMultiple Airlines

Mon 29/906:25PHL - LGW

2 stops22h 35mMultiple Airlines

Deal found 9/9£453

Best flights to Philadelphia
Discover carefully curated flight deals to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.

Thu 6/1114:00LGW - PHL

1 stop22h 30mMultiple Airlines

Thu 4/1207:00PHL - LGW

1 stop22h 00mMultiple Airlines

Deal found 11/9£454

Sat 11/1014:05LHR - PHL

1 stop12h 33mUnited Airlines

Sun 12/1016:50PHL - LHR

1 stop12h 10mUnited Airlines

Deal found 11/9£458

Fri 12/1206:30LHR - PHL

1 stop12h 25mBritish Airways

Mon 29/1218:35PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 11/9£496

Fri 21/1116:40LGW - PHL

2 stops35h 47mTAP AIR PORTUGAL

Tue 2/1209:25PHL - LGW

3 stops43h 00mTAP AIR PORTUGAL

Deal found 9/9£526

Tue 30/909:30LHR - PHL

1 stop17h 08mUnited Airlines

Fri 7/1115:30PHL - LHR

1 stop10h 40mUnited Airlines

Deal found 11/9£458

Wed 8/1014:00LGW - PHL

2 stops30h 54mMultiple Airlines

Wed 15/1006:19PHL - LGW

2 stops22h 41mMultiple Airlines

Deal found 10/9£469

Tue 4/1113:10LHR - PHL

Nonstop8h 05mBritish Airways

Fri 5/1218:35PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 11/9£504

Sat 29/1113:00LHR - PHL

1 stop14h 56mUnited Airlines

Mon 1/1218:31PHL - LHR

1 stop11h 44mUnited Airlines

Deal found 11/9£462

Thu 13/1109:40LCY - PHL

2 stops29h 06mMultiple Airlines

Sun 16/1120:00PHL - LCY

2 stops16h 40mMultiple Airlines

Deal found 11/9£475

Tue 21/1010:35LGW - PHL

2 stops27h 58mTAP AIR PORTUGAL

Tue 4/1109:22PHL - LGW

2 stops19h 28mTAP AIR PORTUGAL

Deal found 10/9£532

Mon 3/1113:10LHR - PHL

Nonstop8h 05mBritish Airways

Sat 6/1218:35PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 11/9£504

Sun 28/908:30LHR - PHL

1 stop12h 19mUnited Airlines

Fri 7/1115:30PHL - LHR

1 stop10h 40mUnited Airlines

Deal found 11/9£463

Direct flights to Philadelphia
Explore direct flight options to Philadelphia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2025.

Tue 4/1113:10LHR - PHL

Nonstop8h 05mBritish Airways

Thu 4/1218:35PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 11/9£450

Wed 8/1012:30LHR - PHL

Nonstop8h 05mBritish Airways

Wed 15/1019:50PHL - LHR

Nonstop7h 05mBritish Airways

Deal found 10/9£451

Tue 28/1010:15LHR - PHL

Nonstop8h 00mBritish Airways

Tue 11/1118:35PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 10/9£454

Tue 18/1110:15LHR - PHL

Nonstop8h 10mFinnair

Tue 25/1118:35PHL - LHR

Nonstop7h 00mFinnair

Deal found 11/9£460

Wed 8/1012:30LHR - PHL

Nonstop8h 05mFinnair

Wed 15/1019:50PHL - LHR

Nonstop7h 05mFinnair

Deal found 10/9£461

Tue 23/910:05LHR - PHL

Nonstop8h 00mBritish Airways

Wed 1/1022:15PHL - LHR

Nonstop7h 05mBritish Airways

Deal found 11/9£462

Mon 22/912:30LHR - PHL

Nonstop8h 00mBritish Airways

Mon 29/919:50PHL - LHR

Nonstop7h 15mBritish Airways

Deal found 10/9£464

Mon 9/313:10LHR - PHL

Nonstop8h 05mBritish Airways

Mon 16/319:35PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 11/9£465

Mon 22/910:05LHR - PHL

Nonstop8h 00mBritish Airways

Mon 29/922:15PHL - LHR

Nonstop7h 05mBritish Airways

Deal found 11/9£466

Mon 22/910:05LHR - PHL

Nonstop8h 00mBritish Airways

Mon 29/922:15PHL - LHR

Nonstop7h 05mBritish Airways

Deal found 10/9£467

Mon 15/1213:10LHR - PHL

Nonstop8h 05mBritish Airways

Mon 29/1218:35PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 11/9£470

Mon 3/1113:10LHR - PHL

Nonstop8h 05mBritish Airways

Thu 4/1219:45PHL - LHR

Nonstop7h 05mBritish Airways

Deal found 11/9£474

Last-minute flights to Philadelphia
Discover last-minute flight deals to Philadelphia. Data last updated 11 September 2025 and is based on user searches.

Wed 17/909:30LHR - PHL

1 stop17h 08mAir Canada

Sat 8/1115:30PHL - LHR

2 stops24h 05mAir Canada

Deal found 10/9£457

Sun 21/906:50LHR - PHL

2 stops12h 48mAir Canada

Sun 28/910:35PHL - LHR

2 stops14h 55mAir Canada

Deal found 10/9£453

Sun 21/909:30LHR - PHL

1 stop17h 08mAir Canada

Sun 28/909:20PHL - LHR

1 stop16h 10mAir Canada

Deal found 10/9£454

Mon 22/906:50LHR - PHL

2 stops19h 48mAir Canada

Mon 29/915:25PHL - LHR

2 stops13h 50mAir Canada

Deal found 11/9£452

Mon 22/908:30LHR - PHL

1 stop12h 30mLufthansa

Mon 29/917:35PHL - LHR

1 stop11h 05mLufthansa

Deal found 10/9£453

Mon 22/909:30LHR - PHL

1 stop17h 08mAir Canada

Mon 29/915:25PHL - LHR

1 stop13h 10mAir Canada

Deal found 11/9£455

Mon 22/909:40LHR - PHL

1 stop12h 12mVirgin Atlantic

Mon 29/917:32PHL - LHR

1 stop11h 58mVirgin Atlantic

Deal found 10/9£456

Mon 22/909:30LHR - PHL

1 stop17h 08mUnited Airlines

Mon 29/919:58PHL - LHR

1 stop9h 42mUnited Airlines

Deal found 11/9£456

Fri 26/914:05LHR - PHL

1 stop12h 33mAir Canada

Mon 29/915:25PHL - LHR

1 stop13h 10mAir Canada

Deal found 10/9£450

Wed 8/1012:30LHR - PHL

Nonstop8h 05mBritish Airways

Wed 15/1019:50PHL - LHR

Nonstop7h 05mBritish Airways

Deal found 10/9£451

Sat 11/1006:50LHR - PHL

2 stops19h 48mAir Canada

Sun 12/1009:20PHL - LHR

1 stop19h 15mAir Canada

Deal found 11/9£448

Sun 26/1007:40LHR - PHL

2 stops17h 41mUnited Airlines

Sun 2/1120:00PHL - LHR

2 stops30h 10mUnited Airlines

Deal found 11/9£450

One-way flights to Philadelphia
Search for one-way flight options to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 11 September 2025.

Mon 3/1121:20STN - PHL

3 stops28h 20mMultiple Airlines

Deal found 11/9£385

Mon 15/1214:00LGW - PHL

1 stop31h 49mMultiple Airlines

Deal found 10/9£385

Fri 10/1007:05LHR - PHL

3 stops44h 25mMultiple Airlines

Deal found 10/9£387

Wed 5/1113:45STN - PHL

3 stops27h 51mMultiple Airlines

Deal found 11/9£388

Wed 14/114:40LTN - PHL

3 stops39h 15mMultiple Airlines

Deal found 9/9£388

Fri 19/920:40LTN - PHL

3 stops41h 10mMultiple Airlines

Deal found 9/9£390

Mon 29/919:20LGW - PHL

3 stops56h 09mMultiple Airlines

Deal found 10/9£391

Sun 30/1118:05SEN - PHL

2 stops26h 55mMultiple Airlines

Deal found 10/9£391

Sun 30/1118:40LTN - PHL

2 stops26h 20mMultiple Airlines

Deal found 10/9£391

Thu 25/921:25LHR - PHL

3 stops41h 21mMultiple Airlines

Deal found 10/9£391

Sun 9/1113:00LGW - PHL

3 stops27h 24mMultiple Airlines

Deal found 11/9£391

Thu 27/1106:15LHR - PHL

1 stop14h 25mMultiple Airlines

Deal found 10/9£392

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights to Philadelphia – Compare and Save

Flights to Philadelphia in 2025

Find the latest flights to Philadelphia in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 11 September 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals to Philadelphia

Cheapest flights to PhiladelphiaExplore the most affordable flight options available to Philadelphia. Find the lowest fares based on data from user searches, with prices last updated on 11 September 2025.

Explore the most affordable flight options available to Philadelphia. Find the lowest fares based on data from user searches, with prices last updated on 11 September 2025.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights to Philadelphia
Explore the most affordable flight options available to Philadelphia. Find the lowest fares based on data from user searches, with prices last updated on 11 September 2025.