Direct flights from Chicago to Seattle MDW → SEA
Southwest Airlines flies nonstop from Chicago (MDW) to Seattle (SEA). The flight takes about 4h 4m and covers 1,729 miles (2,782 km). Arrivals run on time 72.8% at MDW and 80.8% at SEA — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
🔔 Watch MDW → SEA
We'll run this search daily and email you the cheapest direct fares we find.
Free · checked daily · one-click unsubscribe
Southwest Airlines
WN
Frequently asked questions
Is there a direct flight from Chicago to Seattle?
Yes, Southwest Airlines operates nonstop flights from Chicago (MDW) to Seattle (SEA).
Which airlines fly direct from Chicago to Seattle?
Southwest Airlines operates nonstop flights from Chicago to Seattle.
How long is the flight from Chicago to Seattle?
The nonstop flight from Chicago to Seattle takes ~4h 4m (approximately 2782 km).
What is the on-time performance for flights from Chicago to Seattle?
Arrivals run on time 72.8% at MDW and 80.8% at SEA — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
Explore More
Scout — our search agent — hunts nonstop fares from Chicago every night and pings you when one's worth booking.
Watch it work →