Nonstop route
Phoenix to St. Louis nonstop
Yes — Southwest, American and Frontier fly PHX to STL nonstop year-round — about 6× daily.
PHXPhoenix
✈
STLSt. Louis
6× daily38.5 flights a week
Year-round38.5/wk Jun vs 44.5/wk Jan
$175–$325typical one-way · median $225
1,262miles nonstop
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Fares are what people actually paid: half of the 3,260 tickets in the US DOT fare survey for this route sold between $175 and $325 one way, median $225. 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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