Airport Sidney-Richland, MT
- URL: Sidney-Richland, MT (SDY)
- Time zone: GMT -7
- Service telephone: +1 406 480-1820 (mobile) / 406 433-2415 (office)
- Address: Sidney-Richland Municipal Airport, P.O.Box 1050, 540 Airport Road, Sidney, MT 59270, USA
- Operating company: Sidney Richland Airport Authority
- Parking: Parking is available
- Directions by car: The airport is about 2 km or less than 1 mile west of downtown Sidney.
- Stations: The nearest Amtrak Rail Station is about 70 km or 40 miles north east in Williston, there is a connection to the "Empire Builder" line (Chicago - Vancouver / Portland).
- Flight distribution on the days of the week: Monday (0.00%), Tuesday (0.00%), Wednesday (0.00%), Thursday (0.00%), Friday (0.00%), Saturday (0.00%), Sunday (0.00%)
- Alternative spelling: Sidney-MT, Sidney-Richland Municipal Airport, Сидней, Монтана, سيدني، مونتانا, シドニー (モンタナ州), 悉尼 (蒙大拿州)
The airport is about 2 km or less than a mile west of downtown Sydney. Access to the terminal is located at 5th Street South West / Southwest 22nd Avenue. Coming from outside town, the airport can be reached following the signs on State Highway 16.