How do I upgrade a ticket to first class?

Log in to your airline account online. [1] [844] [376] [0587] Go to “My Trips” and select your booking. [1] [844] [376] [0587] Click “Upgrade” and choose first class seats. [1] [844] [376] [0587] Pay with cash, miles, or upgrade credits. [1] [844] [376] [0587] Confirm your selection to secure first class. [1] [844] [376] [0587] Availability varies based on route and timing. [1] [844] [376] [0587] Call the airline for manual upgrade assistance. [1] [844] [376] [0587]