Nonstop route
Denver to Chicago nonstop
Yes — United, American, Frontier and Southwest fly DEN to ORD nonstop year-round — about 18× daily.
DENDenver
✈
ORDChicago
18× daily123.9 flights a week
Year-round123.9/wk Jun vs 87.6/wk Jan
$100–$250typical one-way · median $150
888miles nonstop
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Fares are what people actually paid: half of the 12,626 tickets in the US DOT fare survey for this route sold between $100 and $250 one way, median $150. 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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