Cheap flights from Billings, MT to San Juan, United States
Flights starting at $270. Choose between Spirit Airlines, Allegiant Air, or United Airlines to find the best price.
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Tips to know when travelling to San Juan
Cheapest one-way trip | $880 |
---|---|
Cheapest round-trip | $651 |
Average round-trip | $688 |
Most popular airline | Spirit 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 Spirit Airlines, Allegiant Air, United Airlines, Alaska Airlines, and Frontier Airlines. Billings and San Juan have 93 direct flights per week.
Check-in for a flight from Billings to San Juan
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 |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Alaska Airlines | ASA | AS | 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 |
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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