Indianapolis→SeattleNonstop Flight TimeIND–SEA

Indianapolis (Indianapolis International Airport) to Seattle (Seattle-Tacoma International Airport).

Direct flights from IND to SEA have an estimated flight time of about 4h 25m, based on the 1,861-mile great-circle distance. Our current captured departure sample includes 2/day across 1 captured airline, with Alaska Airlines appearing most often in that sample. Captured departure times run from 07:04 to 18:39 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for IND to SEA, last seen June 15, 2026. Frequency uses 14 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.