Nonstop route
San Francisco to Seattle nonstop
Yes — Alaska, United and Delta fly SFO to SEA nonstop year-round — about 21× daily.
SFOSan Francisco
✈
SEASeattle
21× daily146.8 flights a week
Year-round146.8/wk Jun vs 107.5/wk Jan
$100–$275typical one-way · median $175
679miles nonstop
Affiliate disclosure
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Fares are what people actually paid: half of the 13,353 tickets in the US DOT fare survey for this route sold between $100 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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