If you're wondering how to upgrade your ticket on American Airlines, read on. The easy answer is YES, just by placing a bid online. Passengers can start bidding by visiting my booking option. The top elite members of the American Airlines AAdvantage loyalty program are rewarded with free upgrades as well as the ability to earn upgrades on all international flights. The lower-level elite members can earn (or purchase) additional 500-mile upgrades in addition to receiving an upgrade for free on flights of 500 miles or less. Travelers must utilize their points to upgrade their international flights. It depends on where the consumer is making the reservation. He or she can pay for the upgrade with a combination of miles and cash co-pay.