Originally Posted by
imm2b
I use expertflyer (paid subscription). I think your only hope if there's a schedule change and they will let you refund the ticket. Closer to departure, there may be a sale, but it doesn't seem likely in this case. During Cherry Blossoms, VN is a choice carrier for many Vietnamese Buddhist tour groups to Kyoto.
I used Expertflyer before for the free trial but didn't end up paying for the subscription. I guess it's worth it! Thanks!!!