Nonstop route
Kansas City to St. Louis nonstop
Yes — Southwest flies MCI to STL nonstop year-round — about 3× daily.
MCIKansas City
✈
STLSt. Louis
3× daily21 flights a week
Year-round21/wk Jun vs 15.6/wk Jan
$150–$350typical one-way · median $275
237miles nonstop
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Fares are what people actually paid: half of the 476 tickets in the US DOT fare survey for this route sold between $150 and $350 one way, median $275. That survey runs a couple of quarters behind, so treat it as the shape of the route's pricing rather than today's quote.
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