The 2017 NFL season is the 98th and current season in the history of the National Football League (NFL). The season began on September 7, 2017, with the Kansas City Chiefs defeating the defending Super Bowl LI champion New England Patriots 42 -- 27 in the NFL Kickoff Game. The season will conclude with Super Bowl LII, the league's championship game, on February 4, 2018, at U.S. Bank Stadium in Minneapolis, Minnesota.

When does the regular football season start for nfl? Okie... think carefully first, then make a decision:
To answer the question, consider the following: The season began on September 7, 2017, with the Kansas City Chiefs defeating the defending Super Bowl LI champion New England Patriots 42 -- 27 in the NFL Kickoff Game. So, the answer is September 7 , 2017.