Alaska Airlines in spring 2026 will introduce 13 new nonstop routes, including an expansion to two new airports—Tulsa International Airport in Oklahoma, and Humboldt County Airport near Arcata and Eureka in California, the carrier announced Monday.
Service to begin on March 18 includes year-round daily flights between Ontario and Santa Rosa in California, and between Tulsa and each Seattle and San Diego. Flights on all three routes will operate with Embraer E175 aircraft.
Year-round daily flights between Seattle and Arcata-Eureka will launch April 8 on Embraer E175 aircraft. Alaska plans to begin on April 22 flights between San Diego and each Dallas Fort Worth (twice daily), Oakland, Calif. (four times daily), Raleigh-Durham, N.C. (daily), and Santa Barbara, Calif. (twice daily). The Dallas Fort Worth and Raleigh-Durham flights will operate with Boeing 737 aircraft; Oakland and Santa Barbara will operate with Embraer E175 aircraft.
Alaska plans to launch on May 13 will daily summer flights between Portland, Ore., and each Baltimore, Md., Philadelphia and St. Louis, Mo. Those flights will operate with Boeing 737 aircraft. The carrier that same date will begin year-round daily service between Portland and Idaho Falls, Idaho, with Embraer E175 aircraft, and will add daily summer service between Honolulu and Burbank, Calif., operating with Boeing 737 aircraft.
In addition, Alaska will increase frequencies on several routes: flights between San Diego and Santa Rosa will operate three times daily; Portland-Santa Rosa will increase to three times daily as well, up from one; Portland-Newark, N.J. will double to two daily flights.
For Hawaii service, Alaska flights between Portland and Kauai will be year-round instead of seasonal, Los Angeles-Maui flights will increase to two daily nonstops with an additional seasonal flight, and in June, San Francisco to each the islands of Hawaii and Kauai will increase to daily nonstops.