Kathmandu from Auckland $658, Christchurch $735 | New Delhi fr. Auckland $622, CHC $698 Return @ China Southern via BYOjet
China Southern are offering cheap return fares to Kathmandu and New Delhi. This deal beats the Air China deal posted last week by $142 and is the cheapest ever on Cheapies. New Delhi is also the cheapest ever beating the last cheapest by $140 as well. Fares include bags, seats, and meals. All flights connect in Guangzhou so play with the dates to find one with a short transit otherwise if you get a long one you could explore Guangzhou for the day.
Find the cheap flights in Google flights, then plug them into Momondo, Skyscanner etc.