Nonstop route
Seattle to Santa Rosa nonstop
Yes — Alaska flies SEA to STS nonstop in the summer season only — about daily.
SEASeattle
✈
STSSanta Rosa
daily9.8 flights a week
Summer only9.8/wk Jun vs 3.4/wk Jan
$125–$300typical one-way · median $175
618miles nonstop
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Fares are what people actually paid: half of the 817 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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