Cheap flights from Phoenix, AZ to Sidney, MT
Choose between Cape Air, Alaska Airlines, or Allegiant Air to find the best price
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Tips to know when travelling to Sidney
Most popular airline | Cape Air |
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Travelers usually depart from Phoenix Sky Harbor International, or Phoenix–Mesa Gateway when they travel from Phoenix to Sidney. The most popular airlines for this route are Cape Air, Alaska Airlines, Allegiant Air, Frontier Airlines, and Spirit Airlines. Phoenix and Sidney have 26 direct flights per week.
Check-in for a flight from Phoenix to Sidney
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Cape Air | KAP | 9K | Yes | No |
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 |
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 |
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 | 0°C |
May | 18°C | 7°C |
June | 25°C | 13°C |
July | 29°C | 17°C |
August | 28°C | 16°C |
September | 23°C | 11°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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Flights from Phoenix
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Flights to Sidney
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Airports near Phoenix
- Phoenix Sky Harbor International
- Phoenix–Mesa Gateway
- Tucson International
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- Ernest A. Love Field