Nonstop route
Houston to Denver nonstop
Yes — United and Frontier fly IAH to DEN nonstop year-round — about 14× daily.
IAHHouston
✈
DENDenver
14× daily100.3 flights a week
Year-round100.3/wk Jun vs 86.7/wk Jan
$125–$300typical one-way · median $175
861miles nonstop
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Fares are what people actually paid: half of the 7,050 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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