Nonstop route
Charleston to Seattle nonstop
Yes — Alaska flies CHS to SEA nonstop year-round — about daily.
CHSCharleston
✈
SEASeattle
daily7 flights a week
Year-round7/wk Jun vs 5.4/wk Jan
$225–$375typical one-way · median $275
2,415miles nonstop
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Fares are what people actually paid: half of the 961 tickets in the US DOT fare survey for this route sold between $225 and $375 one way, median $275. 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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