Cheap flights from San Francisco, CA to San Juan, United States
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Tips to know when travelling to San Juan
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, United Airlines, JetBlue Airways, and Alaska Airlines. San Francisco and San Juan have 300 direct flights per week.
Check-in for a flight from San Francisco 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 |
United Airlines | UAL | UA | Yes | No |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 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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