Nonstop route
Seattle to Chicago nonstop
Yes — Alaska, United, American and Delta fly SEA to ORD nonstop year-round — about 19× daily.
SEASeattle
✈
ORDChicago
19× daily133.5 flights a week
Year-round133.5/wk Jun vs 67.3/wk Jan
$125–$300typical one-way · median $175
1,721miles nonstop
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Fares are what people actually paid: half of the 10,977 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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