Booking a flight with Alaska Airlines is possible via their website or mobile app, by phone, or in person at a ticket counter. You can find and compare available flights based on your travel preferences, such as departure and destination cities, travel dates, and passenger count. Alaska Airlines Manage Booking also has a Mileage Plan programme, which allows you to earn and redeem miles for rewards. After you've made your reservation, you can manage it online or via the mobile app.