Nonstop route
Denver to San Diego nonstop
Yes — Southwest, United, Frontier and Alaska fly DEN to SAN nonstop year-round — about 17× daily.
DENDenver
✈
SANSan Diego
17× daily122 flights a week
Year-round122/wk Jun vs 112.7/wk Jan
$100–$225typical one-way · median $150
853miles nonstop
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Fares are what people actually paid: half of the 8,743 tickets in the US DOT fare survey for this route sold between $100 and $225 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.
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