Originally Posted by
JJeffrey
You need to cancel and repurchase. The hold is for that specific fare, no different than if the price had gone up your hold would still honor the original lower fare.
That hasn't been the case in my experience. The system automatically adjusted to the lower fare in the payment screen. Cancelling creates a HUGE risk of the expected lower fare be gone in less than a second. Fares are quoted dynamically. YMMV