Originally Posted by
rtalk25
Now, if any change is requested to an award ticket (even if traveling date is beyond 7 days), Frontier has to re-deposit the miles and will charge a $75 redeposit fee.
For what it's worth, on April 3 I changed reward travel origin city (keeping save travel dates) on flyfrontier.com and was not charged a change fee. I don't know whether this was an IT glitch, but as I have completed travel now, the ticket was definitely valid.