Favorite airline: Alaska Airlines
The majority of passengers on the route Chicago – Seattle-Tacoma prefer to fly with Alaska Airlines.
Alaska Airlines
24 %
United Airlines
16 %
American Airlines
9 %
Tip: book 4 weeks before departure
Save up to 45 % by booking flights 4 weeks before departure.
30 days before departure
Cheapest weekday: Friday
Compared to other weekdays, flights are cheapest on Friday.
Direct flights are cheaper
Compared to direct flights, flights with a stopover on this route are on average 14 % more expensive.
non stop flight
1 stop
04h 45min
06h 14min
$160
$185
The favorite connection is non-stop
Flights from Chicago to Seattle-Tacoma are most often booked as a direct flight.
Route
bookings
Direct flights
04h 45min, from $160
54 %
1 stopover San Francisco International Airport, CA
16h 50min, from $232
20 %
1 stopover Denver International Airport, CO
07h 04min, from $246
10 %
Round trip from $160.00
Currently, flights on this route are cheapest departing on 10/25/2019 and returning on 10/27/2019.

$160
Cheap
$160
Expensive
$319