From fortune magazine:



The article provides eight strategies to secure a free or low-cost seat upgrade for your next flight. Tips include achieving elite travel status, using an airline rewards credit card, watching for sales and deals, asking at the gate, reporting bad experiences to customer service, flying solo, taking advantage of oversold flights, and using airline miles for upgrades. These tips can help travelers secure better seats on a budget, making the travel experience more comfortable and luxurious. It also advises to verify airline and credit card details before applying, as they are subject to change. Overall, the hope is that by following these strategies, travelers can enjoy premium seats without the premium cost.



Original: Fly higher: 8 ways to get free flight upgrades