Rush City Regional Airport (ICAO: KROS, FAA LID: ROS) is a city-owned public-use airport located in Chisago County, Minnesota, one nautical mile northeast of the central business district of Rush City, a city in Chisago County, Minnesota, United States.

[2] Rush City Regional Airport covers an area of 156 acres (63 ha) at an elevation of 925 feet (282 m) above mean sea level.

It has one runway designated 16/34 with an asphalt surface measuring 4,397 by 75 feet (1,340 x 23 m).

[2] The FBO at the field is Hawk Aviation, Inc., where there is flight training, aircraft rental, a CATS testing center, vending services, and a pilot shop.