You can upgrade your cabin class depending on the fare brand and type of ticket you purchase.
Economy Class and Business Class tickets purchased as Flex and Flex Plus fares can be upgraded online up to six hours before departure, Premium Economy tickets purchased as Flex Plus fares can be upgraded online up to six hours before departure. Business Class Saver and Economy Class Saver tickets can only be upgraded at online check-in between 48 and six hours before departure. You can upgrade online using Manage your booking.
Please note Economy Class Special fares aren’t eligible for upgrades, and all upgrades are subject to seat availability and restrictions.
*Due to the current limited nature of Premium Economy operations, Premium Economy Classic Rewards and Upgrade Rewards from Economy to Premium Economy are not currently available.