Nonstop route
San Francisco to Denver nonstop
Yes — United, Southwest and Frontier fly SFO to DEN nonstop year-round — about 16× daily.
SFOSan Francisco
✈
DENDenver
16× daily115 flights a week
Year-round115/wk Jun vs 98/wk Jan
$125–$275typical one-way · median $175
967miles nonstop
Affiliate disclosure
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Fares are what people actually paid: half of the 9,208 tickets in the US DOT fare survey for this route sold between $125 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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