Seattle→CincinnatiNonstop Flight TimeSEA–CVG

Seattle (Seattle-Tacoma International Airport) to Cincinnati (Cincinnati/Northern Kentucky International Airport).

Direct flights from SEA to CVG have an estimated flight time of about 4h 38m, based on the 1,960-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 08:39 to 22:05 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for SEA to CVG, last seen June 15, 2026. Frequency uses 20 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.