Nonstop route
Chicago to Seattle nonstop
Yes — Southwest flies MDW to SEA nonstop year-round — about daily.
MDWChicago
✈
SEASeattle
daily19.4 flights a week
Year-round19.4/wk Jun vs 7/wk Jan
$150–$300typical one-way · median $225
1,733miles nonstop
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Fares are what people actually paid: half of the 540 tickets in the US DOT fare survey for this route sold between $150 and $300 one way, median $225. 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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