Cheap flights from Denver, CO to Sidney, MT
Choose between Cape Air, Frontier Airlines, or Alaska Airlines to find the best price
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How much do flights to Sidney cost?
Cheapest nonstop round-trip | $514 |
---|---|
Most popular airline | Cape Air |
Key info about flying to Sidney
Great deals from Denver to Sidney
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Check-in for a flight from Denver to Sidney
Name | Carrier code | IATA Code | Passport needed during booking |
---|---|---|---|
Cape Air | KAP | 9K | Yes |
Frontier Airlines | FFT | F9 | No |
Alaska Airlines | ASA | AS | No |
American Airlines | AAL | AA | No |
Allegiant Air | AAY | G4 | No |
Online check-in is not available for these airlines.
Weather in Sidney
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | -3°C | -12°C |
February | -3°C | -12°C |
March | 4°C | -5°C |
April | 11°C | 1°C |
May | 18°C | 7°C |
June | 25°C | 13°C |
July | 29°C | 17°C |
August | 28°C | 16°C |
September | 23°C | 12°C |
October | 13°C | 3°C |
November | 4°C | -4°C |
December | -3°C | -10°C |
14 day forecast
Frequently asked questions
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