Nonstop flights from Chicago to Seattle
Southwest Airlines flies this route 2 to 3 times a day.
MDWChicago Midway International
1,729 mi · 20 flights a week
SEASeattle-Tacoma International
When they leave
Chicago time10:25a9:20pFirst departure 10:25 AM, last 9:20 PM
Two in the morning, 10:25 AM to 10:45 AM, then one afternoon flight at 3:55 PM, then one evening flight at 9:20 PM.
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Schedules last checked Sep 20, 2026. Times are local.
Flying from Chicago to Seattle
Southwest Airlines is the only airline flying nonstop from Chicago to Seattle, 2 to 3 times a day on the Boeing 737 MAX 8.
There are 2 or 3 flights every day of the week. The first arrival in Seattle is at 12:55 PM and the last at 11:55 PM. The flight covers 1,729 miles.
Flying back, Seattle to Chicago has 20 nonstop flights a week. O'Hare (ORD) also has nonstop flights to Seattle, 67 a week.
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Schedules as of Oct 9, 2026.