How do you upgrade your Finnair seat with Avios? Upgrading your Finnair seat with Avios is a straightforward process for frequent flyers. First, ensure you have enough Avios points earned through the loyalty programs. Once your booking is made, go to Finnair's official website and log into your account. You can check the seat availability of upgrades using your Avios points after selecting your flight. Finnair Upgrade options are generally available for business or premium economy classes. If there is upgrade availability, you'll be prompted to use your points to bid or directly request the upgrade. Availability may depend on the fare class you purchased, so it’s best to upgrade early. Read more: https://www.airlinesgrouptravel.com/blog/how-to-upgrade-from-economy-to-premium-economy-finnair