Nonstop route
Salt Lake City to Seattle nonstop
Yes — Delta, Alaska and Frontier fly SLC to SEA nonstop year-round — about 12× daily.
SLCSalt Lake City
✈
SEASeattle
12× daily83.5 flights a week
Year-round83.5/wk Jun vs 67.3/wk Jan
$125–$275typical one-way · median $175
689miles nonstop
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Fares are what people actually paid: half of the 6,123 tickets in the US DOT fare survey for this route sold between $125 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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