✈ ORD → SEA
4H 2M IN THE SKY. THE PERSON NEXT TO YOU WILL TALK.
Flight from Chicago to Seattle
From O'Hare (ORD), USA North America → Sea-Tac (SEA), USA North America
How long is the flight from Chicago to Seattle?
A nonstop flight from Chicago (ORD) to Seattle (SEA) takes about 4 hours 2 minutes, covering a great-circle distance of 1,716 miles (2,762 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
4h 2m
Nonstop, scheduled
Distance
1,716 mi
2,762 km · great-circle
Avg speed
684 km/h
Door-to-door including taxi
Time zones & jet lag
Chicago timezone
UTC-5
America/Chicago
Seattle timezone
UTC-7
America/Los_Angeles
Time difference
-2h
2 hours behind
Jet lag (rough)
~1.4d
Westward — easier
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3× the CO₂ of an equivalent train trip and 0.7× a car driven alone over the same distance.