Final score: Chiefs lose to Bears 29-27 in preseason finale at Arrowhead Stadium The Kansas City Chiefs were defeated by the Chicago Bears 29-27 in Week 3 of the 2025 NFL preseason. Original Source: https://chiefswire.usatoday.com/story/sports/nfl/chiefs/2025/08/22/chiefs-bears-final-score-preseason/85790907007/