Nonstop route
Houston to Chicago nonstop
Yes — United, American, Frontier and Spirit fly IAH to ORD nonstop year-round — about 17× daily.
IAHHouston
✈
ORDChicago
17× daily119.9 flights a week
Year-round119.9/wk Jun vs 104.1/wk Jan
$100–$275typical one-way · median $175
925miles nonstop
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Fares are what people actually paid: half of the 10,469 tickets in the US DOT fare survey for this route sold between $100 and $275 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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