Nonstop route
Boise to Seattle nonstop
Yes — Alaska flies BOI to SEA nonstop year-round — about 10× daily.
BOIBoise
✈
SEASeattle
10× daily72.8 flights a week
Year-round72.8/wk Jun vs 65.7/wk Jan
$100–$225typical one-way · median $125
399miles nonstop
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Fares are what people actually paid: half of the 4,064 tickets in the US DOT fare survey for this route sold between $100 and $225 one way, median $125. 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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