Nonstop route
San Diego to Santa Rosa nonstop
Yes — Southwest flies SAN to STS nonstop year-round — about 4× daily.
SANSan Diego
✈
STSSanta Rosa
4× daily26.6 flights a week
Year-round26.6/wk Jun vs 11.1/wk Jan
$125–$250typical one-way · median $175
508miles nonstop
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Fares are what people actually paid: half of the 889 tickets in the US DOT fare survey for this route sold between $125 and $250 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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