Nonstop route
Boston to St. Louis nonstop
Yes — Southwest flies BOS to STL nonstop year-round — about 5× daily.
BOSBoston
✈
STLSt. Louis
5× daily33.4 flights a week
Year-round33.4/wk Jun vs 21.7/wk Jan
$200–$375typical one-way · median $250
1,047miles nonstop
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Fares are what people actually paid: half of the 2,305 tickets in the US DOT fare survey for this route sold between $200 and $375 one way, median $250. 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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