Allegiant (NASDAQ: ALGT) will add nonstop service between Phoenix and MidAmerica St. Louis Airport, the low-cost carrier announced Tuesday.

The year-round flights will operate twice a week to Phoenix-Mesa Gateway Airport, beginning Nov. 17.

The Nevada-based airline now serves nine cities from MidAmerica: Las Vegas; Myrtle Beach, South Carolina; and six cities in Florida.

Allegiant Travel Co. reported $375.8 million in first quarter fiscal 2017 revenue, up 7.8 percent from the same period last…