Flights to Sidney, MT, United States

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Cheap flights to Sidney

Weather in Sidney

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-3°C-12°C
February-3°C-12°C
March4°C-5°C
April11°C1°C
May18°C7°C
June25°C13°C
July29°C17°C
August28°C16°C
September23°C12°C
October13°C3°C
November4°C-4°C
December-3°C-10°C
Hottest Month
29°C
July
Coldest month
-12°C
January
Sunny days
290
days per year
Snow days
16
days per year

14 day forecast

Saturday
18 Oct
69%
12°C3°C
25 Oct
22°C12°C
Sunday
19 Oct
16°C0°C
26 Oct
14°C8°C
Monday
20 Oct
12°C4°C
27 Oct
12°C7°C
Tuesday
21 Oct
13°C0°C
28 Oct
16°C5°C
Wednesday
22 Oct
14°C3°C
29 Oct
11°C5°C
Thursday
23 Oct
20°C6°C
30 Oct
10°C2°C
Friday
24 Oct
21°C9°C
31 Oct
12°C1°C

Cheapest month to fly to Sidney

Explore price trends for trips to Sidney

Showing prices in USD

Annual Avg. Price254 USD
November 202554 USD
December 202554 USD
January 2026207 USD
February 2026183 USD
March 2026285 USD
April 2026285 USD
May 2026299 USD
June 2026319 USD
August 2026598 USD

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