The 2025 football season start dates for major leagues are as follows:

• The NFL regular season begins on Thursday, September 4, 2025. The kickoff game will feature the reigning Super Bowl champion Philadelphia Eagles hosting the Dallas Cowboys.

• The college football season kicks off earlier, with the first game scheduled for Saturday, August 23, 2025. This includes a matchup between Iowa State and Kansas State in Dublin, Ireland.

• The Premier League 2025/26 season starts on the weekend of August 16-17, 2025.

So, if referring to American football (NFL), the main season starts in early September, while college football starts in late August, and the English Premier League soccer season starts mid-August.