Originally Posted by
wandering_fred
Other airlines handle date changes without the US$125 re-issue charge per the Explorer rules, but do charge a "service fee". Eg I am paying AU$30 to QR for such privileges even though booked with my long-time TA. QF would likely charge rather more.
Most of OW airlines doesn't charge service fees when making changes for D or A class tickets, including QF. It's also country dependent, for example in some countries QR doesn't charge any service fees for any change, calling to their Doha res allows to make changes without the service fee.