Flabob Airport (IATA: RIR, ICAO: KRIR, FAA LID: RIR) is a small public-use airport located in Jurupa Valley, California, United States, in Riverside County, seven nautical miles (11 km) northwest of the central business district of Jurupa Valley, California.

[1] The airport is located in the city of Jurupa Valley beside the Santa Ana River.

It covers an area of 127 acres (51 ha) at an elevation of 767 feet (234 m) above mean sea level.

[1] For the 12-month period ending February 28, 2022, the airport had 11,300 general aviation aircraft operations, an average of 31 per day.

[4][5] It is also home to the Inland Empire campus of Spartan College of Aeronautics and Technology, located in Hangar 8