Stavanger Sola, Oslo Gardermoen, and Trondheim Vaernes are the top three Norwegian airports based on our airline data. This may change if Norwegian makes updates to their flight routes due to supply and demand.
Flying with Norwegian from Stockholm Arlanda to Riga Intl is the cheapest flight we could find at $47 per ticket. This is an international round-trip flight with 0 stops. The least expensive one-way international Norwegian flight is: -Wroclaw Strachowice to Kastrup Copenhagen, -0 stops, -$24 per ticket
Norwegian does not have flights from Auckland Intl - you will need to fly out of Longyearbyen Svalbard instead. However, you could fly from Auckland Intl with Lufthansa or another airline.