Iiyama Station opened on 20 October 1921.
With the privatization of JNR on 1 April 1987, the station came under the control of JR East.

The new station structure opened on 9 November 2014.
Iiyama Station opened on 20 October 1921. With the privatization of JNR on 1 April 1987, the station came under the control of JR East.
The new station structure opened on 9 November 2014.
Iiyama Station