Just watch out for high fuel surcharges on certain transfer partners. (creditdonkey.com)
One thing that is very consistent across airlines is that taxes and fees are charged as well, so watch out for airlines with high fuel surcharges. (rewardexpert.com)
Sometimes, certain airlines have higher taxes, certain destinations have higher taxes, or you'll be charged higher fuel surcharges depending on what airline rewards program you book with. (creditwalk.ca)