By plane
The closest commercial airport is Idaho Falls Regional Airport IDA is just northwest of Idaho Falls. It has limited service from Salt Lake City and Minneapolis/Saint Paul on Delta Connection, Denver on United Express, Las Vegas on Allegiant Air, and Boise and Bozeman on Horizon Air. IDA is located 87 miles 140 km east of the monument, about a 2 hour drive.
The nearest major airport is Boise Airport IATA: BOI ICAO: KBOI, 3201 Airport Way, (http://www.cityofboise.or...) is serviced by several airlines, including United, Delta, Alaska/Horizon and Southwest. BOI is located 178 miles 286 km west of the monument, about a 3 ½ hour drive.
By car
From Arco, it is about 20 miles 32 km southwest on US 20/26/93 to the entrance to the monument, about a 30 minute drive. From Carey, it is about 25 miles 40 km north on US 20/26/93 to the entrance to the monument, about a 35 minute drive.