Nonstop route
Denver to Chicago nonstop
Yes — Southwest and Frontier fly DEN to MDW nonstop year-round — about 7× daily.
DENDenver
✈
MDWChicago
7× daily46 flights a week
Year-round46/wk Jun vs 35.2/wk Jan
$75–$200typical one-way · median $125
895miles nonstop
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Fares are what people actually paid: half of the 4,996 tickets in the US DOT fare survey for this route sold between $75 and $200 one way, median $125. 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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