It's a great opportunity to make your flight more comfortable and pleasurable to upgrade your experience with China Airlines. How to Upgrade on China Airlines There are several ways to improve your travel experience, from picking the correct cabin class to using frequent flyer programmes, competing for upgrades, or even upgrading with cash at the airport. Be on the lookout for special deals, promotions, and occasions that can give you the chance to experience the comforts of a higher cabin class. You'll be well on your way to enjoying the finest that China Airlines has to offer if you adhere to the advice and suggestions provided in this manual.