New York→SeattleNonstop Flight TimeLGA–SEA

New York (LaGuardia Airport) to Seattle (Seattle-Tacoma International Airport).

Direct flights from LGA to SEA have an estimated flight time of about 5h 33m, based on the 2,406-mile great-circle distance. Our current captured departure sample includes 3×/wk across 1 captured airline, with American Airlines appearing most often in that sample. Captured departure times run from 09:50 to 10:15 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for LGA to SEA, last seen June 15, 2026. Frequency uses 3 scheduled departures across 2 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.