Cheap flights from Sidney, MT to San Francisco, CA
Choose between Cape Air, Alaska Airlines, or United Airlines to find the best price
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Tips to know when travelling to San Francisco
Most popular airline | Cape Air |
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The most popular airlines for this route are Cape Air, Alaska Airlines, and United Airlines. Sidney and San Francisco have 40 direct flights per week. When you arrive at San Francisco, consider visiting Alcatraz, Big Sur, and Golden Gate Bridge.
Check-in for a flight from Sidney to San Francisco
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
Cape Air | KAP | 9K | Yes | |
Alaska Airlines | ASA | AS | No | |
United Airlines | UAL | UA | Yes |
Online check-in is not available for these airlines.
Weather in San Francisco
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 14°C | 7°C |
February | 15°C | 8°C |
March | 15°C | 8°C |
April | 17°C | 9°C |
May | 19°C | 10°C |
June | 21°C | 12°C |
July | 22°C | 13°C |
August | 22°C | 14°C |
September | 23°C | 14°C |
October | 21°C | 13°C |
November | 17°C | 10°C |
December | 13°C | 8°C |
14 day forecast
Frequently asked questions
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Airports near Sidney
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