Originally Posted by
DeaconFlyer
No option to change from the checkin screen. And it's definitely trying to charge me the $300 change fee plus a fare difference.
On the app (and website), using the check in process, if there are no valid options to change to (or at least, if it doesn't have any that it would present to you), then there will be no change flight button. And IME, it will only ever bring up options in the same fare class - if you want to pay a fare difference to upgrade to a higher fare class, you need to call.