Originally Posted by
Beckles
It's not that simple as looking at fare class, though in general if you have any discounted ticket (even discounted first class), it's likely non-refundable. I'm not even sure all Y and F fare class tickets are refundable (I think they are, but I wouldn't be surprised if someone tells me there are exceptions). You can find S class fares that are non-refundable while some T class fares are refundable, it just varies by the specific rules of the fare booked.
Correct, fare class can't really tell you much. I encountered a non-refundable F fare the other day.
The only thing you can generalize is that the lower the fare is in the hierarchy, the less likely it is to be refundable, but this is not a hard and fast rule.