FRESNO, Calif. (KSEE/KGPE) – Allegiant Airlines announced Tuesday, new nonstop seasonal service between Fresno Yosemite International Airport and Portland International Airport in the summer of 2025. Fresno Yosemite International Airport said the new nonstop flights will operate Sundays and Thursdays beginning May 22 through mid-August 2025. This new service adds more nonstop flight options between FAT and PDX.  “Allegiant’s seasonal service brings added capacity during the busy summer travel period, which also increases opportunities for Portland area residents to experience our city and region’s abundance of summer outdoor adventures and family-friendly activities, and three nearby national parks,” said Director of Aviation Henry Thompson. “Together we soar with Allegiant and appreciate the airline for expanding its route map in the Fresno market.” Tickets for Portland (PDX), as well as Las Vegas (LAS) summer schedules, are now available on Allegiant’s website.