The Chargers’ 2026 schedule has one game that stands out above the rest: a Week 18 meeting with the Chiefs that could decide whether Los Angeles is headed to the playoffs or heading home.
It’s not hard to spot the matchup. Justin Herbert and the Chargers close the regular season against Patrick Mahomes II and Kansas City, and that finale carries real weight.
The Chiefs are coming off a down year in 2025, and while Mahomes’ late injury wasn’t the only reason for the drop-off, it did factor into the final record. Now Kansas City is trying to get back on track and return to the postseason, with the Chargers standing in the way.
Los Angeles, meanwhile, is trying to push deeper into the playoffs after a season that could end with another meaningful late-game test. The Chargers’ 2026 slate is packed with difficult stretches, and the final week figures to matter for both teams. As the source noted, it seems likely the Chargers will still be playing in Week 18, and the Chiefs probably will be too.
Russell Baxter of Los Angeles Chargers on SI laid out why this one matters, pointing to the Chargers’ recent history in the rivalry. He wrote:
"This past season, the Chargers not only snapped a seven-game losing streak to Andy Reid’s team, the Colts swept the Chiefs for the first time since 2013-which happened to be Reid’s first season in Kansas City. Last season’s 27-21 Week 1 victory for Harbaugh’s club came in São Paulo.
That means the last time the Chargers won a home game in this series in their own building was 2013 at San Diego. Again, holding serve at home vs. an AFC West foe is highly important."
That detail jumps off the page: the Chargers haven’t beaten Kansas City at home since 2013. Even with the second matchup of the season set to be in Los Angeles, that history hangs over the game. Home field hasn’t been much of a cure-all in this series.
If the Chargers do need Week 18 to get into the postseason, they’ll have the advantage of hosting the game. But the setting alone won’t make it easy. And even if Los Angeles has already punched its ticket by then, taking down the Chiefs would still be a meaningful way to head into the playoffs.
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