Alaska Airlines Alaska Airlines Network Network United States United States Seattle-Tacoma International Airport Seattle-Tacoma International Airport Tokyo Narita International Airport Tokyo Narita International Airport Seoul Incheon International Airport Seoul Incheon International Airport Exploring Alaska Airlines load factors on its two international long-haul routes Alaska Airlines currently has two long-haul international routes, connecting Seattle with Tokyo and Seoul. Jan 20, 2026 by Rytis Beresnevicius