Alaska Airlines flies to a wide range of places across the U.S., especially along the West Coast and throughout Alaska. You’ll see frequent service in cities like Seattle, Anchorage, Portland, Los Angeles, and San Francisco. They also connect to destinations in the Midwest and East Coast. Internationally, Alaska flies to nearby regions such as Canada, Mexico, Belize, and Costa Rica. Most of their international routes are regional and focused on vacation or short-haul travel. Exact destinations can shift by season, so what’s available may depend on the time of year and your departure city.