Seattle→MilwaukeeNonstop Flight TimeSEA–MKE

Seattle (Seattle-Tacoma International Airport) to Milwaukee (Milwaukee Mitchell International Airport).

Direct flights from SEA to MKE have an estimated flight time of about 4h 4m, based on the 1,690-mile great-circle distance. Our current captured departure sample includes 2-3/day across 2 captured airlines, with Alaska Airlines appearing most often in that sample. Captured departure times run from 05:30 to 18:09 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for SEA to MKE, last seen June 15, 2026. Frequency uses 15 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.