Spurs vs. Thunder odds, line: Proven model reveals picks for NBA Western Conference final Game 1 matchup on Monday, May 18

The 2026 NBA Western Conference finals get underway when the second-seeded San Antonio Spurs battle the top-seeded Oklahoma City Thunder on Monday night. San Antonio is coming off a 139-109 win over the Minnesota Timberwolves on Friday to win their semifinal series 4-2, while Oklahoma City downed the Los Angeles Lakers 115-110 on May 11 to sweep their series. De'Aaron Fox (ankle) is questionable for the Spurs.

Tipoff from Paycom Center in Oklahoma City is set for 8:30 p.m. ET. The Thunder are 6.5-point favorites in the latest Spurs vs. Thunder odds from FanDuel Sportsbook, while the over/under for total points scored is 221.5. 

Before making any Spurs vs. Thunder picks, you NEED to see what the SportsLine Projection Model has to say.

The SportsLine Projection Model simulates every NBA game 10,000 times and has returned well over $10,000 in betting profit for $100 players on its top-rated NBA picks over the past eight-plus seasons. The model entered the conference finals of the 2026 NBA playoffs on a sizzling 26-10 roll (72%) on top-rated NBA spread picks this season. Anyone following its NBA betting advice at sportsbooks and on betting apps could have seen HUGE returns!

The model has simulated Spurs vs. Thunder 10,000 times and the results are in. The model is going Under on the point total, and it also says one side of the spread is the better value!

Who wins Spurs vs. Thunder, and which side of the spread is the better value? ... Join SportsLine right now to find out which side of the spread you should be all over, all from the model on a 26-10 roll on top-rated NBA picks!