Nonstop route
Madison to Denver nonstop
Yes — United and Frontier fly MSN to DEN nonstop year-round — about 4× daily.
MSNMadison
✈
DENDenver
4× daily28 flights a week
Year-round28/wk Jun vs 14.5/wk Jan
$150–$250typical one-way · median $175
826miles nonstop
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Fares are what people actually paid: half of the 1,613 tickets in the US DOT fare survey for this route sold between $150 and $250 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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