Cheap flights from San Juan, United States to Boise, ID
Flights starting at $150. Choose between Spirit Airlines, Frontier Airlines, or Alaska Airlines to find the best price.
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Tips to know when travelling to Boise
Cheapest one-way trip | $238 |
---|---|
Cheapest round-trip | $1,235 |
Most popular airline | Spirit Airlines |
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Travelers usually depart from Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci when they travel from San Juan to Boise. The most popular airlines for this route are Spirit Airlines, Frontier Airlines, Alaska Airlines, Allegiant Air, and United Airlines. San Juan and Boise have 230 direct flights per week.
Check-in for a flight from San Juan to Boise
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Weather in Boise
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 2°C | -4°C |
February | 5°C | -2°C |
March | 10°C | 1°C |
April | 14°C | 4°C |
May | 19°C | 8°C |
June | 25°C | 13°C |
July | 32°C | 18°C |
August | 31°C | 17°C |
September | 25°C | 13°C |
October | 16°C | 6°C |
November | 8°C | 0°C |
December | 2°C | -4°C |
14 day forecast
Frequently asked questions
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