The positive result for those flying in December appears to have come as a result of airlines continuing to keep capacity, or seats for sale, low and prices high.
Flight QF102 requested a priority landing back at Nadi airport not long after taking off from Fiji on a trip destined for Sydney, with fumes from the aircraft galley oven cited as the issue.
Qantas flight QF430 turned around after only reaching Bonnie Doon roughly 10 minutes into its flight and landed back at Tullamarine airport at 10:18 am.
The deal with the low-cost carrier means more than 250 new flights are available for booking across 21 routes, including Mumbai and Goa.
The airline began flying between Tokyo-Narita and Perth in 2019, but had to cancel the service due to COVID-19 lockdowns.
Flight QF101 took off at roughly 9am from Sydney, and returning at 11am after turning around over the South Pacific Ocean.