Nonstop route
Tucson to Denver nonstop
Yes — Southwest, United and Frontier fly TUS to DEN nonstop year-round — about 5× daily.
TUSTucson
✈
DENDenver
5× daily34.3 flights a week
Year-round34.3/wk Jun vs 57.1/wk Jan
$125–$250typical one-way · median $150
639miles nonstop
Affiliate disclosure
Ready to compare fares?
Fares are what people actually paid: half of the 2,373 tickets in the US DOT fare survey for this route sold between $125 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.
Nonstop Scout may earn revenue from outbound flight-search links.