Nonstop route
St Louis to Houston nonstop
Yes — United flies STL to IAH nonstop year-round — about 5× weekly.
STLSt Louis
✈
IAHHouston
5× weekly4.7 flights a week
Year-round4.7/wk Jun vs 7.5/wk Jan
$175–$375typical one-way · median $250
667miles nonstop
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Fares are what people actually paid: half of the 1,118 tickets in the US DOT fare survey for this route sold between $175 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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