New York John F Kennedy Airport - Singapore Changi is currently the longest commercial flight possible to book at 15,332 km.
Offering direct links to other Asian countries and Australia, Singapore Changi also offers the second longest flight route of 2023.
A few years after launching in 2017 and being scrapped during the COVID-19 pandemic, this route is back for the 2023 winter season.
With a scheduled flight time of 17 hours and 45 minutes, this is the only route in our top 10 that has a European airport.
Dallas Fort Worth has been a fixture on our monthly list of busiest airports this year, offering Australian visitors onward flights to 193 US destinations.
Launching in 2022, this is the first Air New Zealand route to fly non-stop to New York. The scheduled flight time is 16 hours 15 minutes.
In 2016, it was the world's longest flight at 14,193 km, and the fact that it took only seven years made it sixth on the list.
Singapore Changi Airport makes its third and final appearance at 7th place on the list of longest non-stop commercial flights.