Cheap flights from Islip, NY to San Juan, United States
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Most popular airline | Frontier Airlines |
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Book your trip to arrive at Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, BREEZE, JetBlue Airways, and Silver Airways. Islip and San Juan have 88 direct flights per week.
Check-in for a flight from Islip to San Juan
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 San Juan
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 27°C | 22°C |
February | 27°C | 22°C |
March | 27°C | 22°C |
April | 28°C | 23°C |
May | 29°C | 24°C |
June | 30°C | 25°C |
July | 30°C | 25°C |
August | 30°C | 25°C |
September | 30°C | 25°C |
October | 29°C | 25°C |
November | 28°C | 24°C |
December | 27°C | 23°C |
14 day forecast
Frequently asked questions
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