How to Upgrade to Business Class on Turkish Airlines? Upgrading to business class on Turkish Airlines offers a more comfortable travel experience. You can request an upgrade through the airline’s official website, at check-in, or using your frequent flyer miles. Turkish Airlines Upgrade to Business Class is also available to buy at a discounted price, depending on seat availability and flight route. Another option is to use bid-based upgrades, where you place a bid for a possible upgrade at a price you’re willing to pay. Read more: https://www.airlinesgrouptravel.com/blog/turkish-airlines-seat-upgrade