How do I request a seat upgrade on my flight? How do I request a seat upgrade on my flight? Passengers can upgrade their tickets with Asiana Airlines without any delay. However, passengers cannot purchase the tickets for Business class. Therefore, they look for upgrade options available from the airline’s end because the upgrade option offers a lower price for the business class when compared to directly purchasing it. Visit here for more info:- https://www.behance.net/gallery/142708735/Seat-upgrade-on-my-flight