Another new low-cost airline is arriving to the Boise Airport this summer — the third to announce its local launch this year — with the addition of a new nonstop route to a Western U.S. tourism destination. Aha! airlines, based at the Reno-Tahoe International Airport, will begin its service by offering flights between Boise and the popular outdoors mecca located on the Nevada-California border. Service starts Aug. 31, the airline and the airport announced Thursday. Introductory one-way fares start at $39, plus carry-on and checked baggage fees. The airline, which is an offshoot of ExpressJet Airlines, headquartered just outside of Atlanta, will start with a three-day-a-week schedule, operating one daily flight each direction on Mondays, Wednesdays and Fridays.