Cheap flights from Islip, NY to Philadelphia, PA
Choose between Frontier Airlines, Spirit Airlines, or BREEZE to find the best price
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Tips to know when travelling to Philadelphia
Most popular airline | Frontier Airlines |
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The most popular airlines for this route are Frontier Airlines, Spirit Airlines, BREEZE, JetBlue Airways, and Silver Airways. Islip and Philadelphia have 63 direct flights per week. When you arrive at Philadelphia, consider visiting National Mall, Times Square, Manhattan Island, Empire State Building, Statue of Liberty, Lincoln Memorial, Metropolitan Museum of Art, Independence National Historical Park, PA, USA, and Staten Island.
Check-in for a flight from Islip to Philadelphia
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
BREEZE | MX | No | No | |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Silver Airways | SIL | 3M | No | Opens 24 days before flight Closes 2 hours before flight |
Weather in Philadelphia
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 3°C | -2°C |
February | 6°C | -1°C |
March | 10°C | 2°C |
April | 16°C | 7°C |
May | 22°C | 13°C |
June | 26°C | 17°C |
July | 30°C | 21°C |
August | 29°C | 20°C |
September | 25°C | 17°C |
October | 19°C | 11°C |
November | 12°C | 4°C |
December | 7°C | 0°C |
14 day forecast
Frequently asked questions
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