The NBA Cup final (also called the NBA Cup championship game or in-season tournament final) is scheduled for Tuesday, December 16, 2025 , at T-Mobile Arena in Las Vegas, with tip-off at 8:30 p.m. ET.

Quick Scoop

  • The game is a single, winner-take-all final to decide the NBA Cup champion for the 2025–26 season.
  • It is played on a neutral court in Las Vegas, Nevada, continuing the league’s recent tradition of hosting the Cup’s decisive game there.
  • Broadcast and streaming details can vary by region, but in the U.S. it is scheduled in prime time Eastern.

Extra context

  • The NBA Cup is the league’s in-season tournament, separate from the traditional NBA Finals held in June.
  • The Cup runs earlier in the regular season (tipping off in late October) and culminates with this December 16 championship matchup.

TL;DR: The answer to “when is NBA Cup final” for the current season is December 16, 2025, 8:30 p.m. ET, in Las Vegas.

Information gathered from public forums or data available on the internet and portrayed here.