For obvious reasons, any discussion about the world's longest nonstop passenger flights necessarily involves Australia and New Zealand. Between December 2025 and February 2026 , the summer Down Under, the two nations have eight airport pairs that are blocked at 17 hours or more . Others will be available at other times of the year.

At up to 18h 10m, the top route is from New York JFK back to Auckland. Both Air New Zealand and Qantas serve it, although Australia's flag carrier does so on a fifth freedom basis, with all flights beginning and ending in Sydney. Of course, Qantas is expected to have nonstop Sydney-JFK flights in the future , along with nonstop Sydney-London Heathrow service.

17 Hours Or More: Australia & New Zealand's Longest Nonstop Flights

JFK back t

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