To amend the Immigration and Nationality Act to authorize additional visas for well-educated aliens to live and work in the United States, and for other purposes.

Immigration Innovation Act of 2018 This bill makes various changes related to employment-based visas, including by (1) providing statutory authority for extending employment authorization to the alien spouse of an H-1B visa holder, subject to prevailing wage-level requirements; (2) allowing an H-1B visa holder, under certain circumstances, to change jobs without amending the H-1B petition; and (3) increasing the issuance of employment-based visas based on the number of visas that went unissued in previous years.