Originally Posted by
USFlyerUS
Yes. Or, the O fare could be $380 today, $480 tomorrow, and $500 3 months later. Other O fares could also have different restrictions that might not even make an O fare an option for your desired itinerary.
And to add, there could be a higher fare bucket above B,N,Q,O,S become available like G or V that is less than $380.