Nonstop route
St Louis to Pittsburgh nonstop
Yes — Southwest flies STL to PIT nonstop year-round — about daily.
STLSt Louis
✈
PITPittsburgh
daily13.1 flights a week
Year-round13.1/wk Jun vs 6.1/wk Jan
$125–$300typical one-way · median $175
554miles nonstop
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Fares are what people actually paid: half of the 486 tickets in the US DOT fare survey for this route sold between $125 and $300 one way, median $175. 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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