The 1966 AFL Championship Game was the seventh American Football League's championship game, played at War Memorial Stadium in Buffalo, New York, on January 1, 1967. It matched the Western Division champion Kansas City Chiefs (11–2–1) and the Eastern Division champion Buffalo Bills (9–4–1) to decide the American Football League (AFL) champion for the 1966 season. The Chiefs defeated the Bills by a score of 31–7, and advanced to Super Bowl I to play against the National Football League (NFL) champion Green Bay Packers.