Flights from Chicago to Seattle Tacoma

Our cheapest offers for flights from Chicago to Seattle Tacoma

Here you can compare cheap flights from Chicago (CHI) to Seattle Tacoma (SEA) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Seattle Tacoma. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Chicago
Seattle-Tacoma
Outbound
03/02/25
direct
AS0462
04h 43min
Return
03/07/25
direct
AS0538
03h 56min
Alaska Airlines ?
$225
Chicago
Seattle-Tacoma
Outbound
03/02/25
direct
AS0333
04h 43min
Return
03/07/25
direct
AS0538
03h 56min
Alaska Airlines
$230
Chicago
Seattle-Tacoma
Outbound
03/02/25
direct
AS0333
04h 43min
Return
03/07/25
direct
AS0408
04h 15min
Alaska Airlines ?
$231
Chicago
Seattle-Tacoma
Outbound
03/02/25
direct
AS0333
04h 43min
Return
03/07/25
direct
AS0408
04h 15min
Alaska Airlines ?
$239
Chicago
Seattle-Tacoma
Outbound
03/02/25
direct
AS0333
04h 43min
Return
03/07/25
direct
AS0408
04h 15min
Alaska Airlines
$240
Chicago
Seattle-Tacoma
Outbound
03/02/25
direct
AS0353
04h 41min
Return
03/07/25
direct
AS0461
03h 54min
Alaska Airlines ?
$276
Chicago
Seattle-Tacoma
Outbound
03/02/25
direct
UA2211
04h 43min
Return
03/07/25
direct
UA0747
03h 54min
United Airlines ?
$316
Chicago
Seattle-Tacoma
Outbound
03/02/25
direct
AA2398
04h 40min
Return
03/07/25
direct
AA2398
04h 05min
American Airlines
$395
Chicago
Seattle-Tacoma
Outbound
03/02/25
direct
AS0333
04h 43min
Return
03/07/25
direct
AA2398
04h 05min
Alaska Airlines ?
$405
Chicago
Seattle-Tacoma
Outbound
03/02/25
1 Stopover (LAX)
NK0467, NK0804
18h 25min
Return
03/07/25
1 Stopover (LAS)
NK0782, NK0187
15h 37min
Spirit Airlines
$583
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Chicago to Seattle Tacoma

Favorite airline: Alaska Airlines
Alaska Airlines is the most popular airline for flights from Chicago to Seattle-Tacoma.
Alaska Airlines
33 %
United Airlines
19 %
Delta
16 %
Direct flights are the cheapest connection
Flights with a stopover are on average $20.00 more expensive than direct flights.
non stop flight
1 stop
04h 41min
07h 46min
$ 119
$ 139
The favorite connection is non-stop
51 % of all bookings on the route Chicago to Seattle-Tacoma are for non-stop flights.
Route
bookings
Direct flights
04h 41min, from $ 119
51 %
1 stopover Las Vegas - McCarran International Airport, NV
14h 38min, from $ 200
14 %
1 stopover Minneapolis - St. Paul International Airport, MN
13h 57min, from $ 329
11 %

Important flight information

Flight information: Chicago - Seattle-Tacoma

Roundtrip from $ 224,48
Flight duration min. 04:38 / max. 07:45
Return flight duration min. 03:44/ max. 07:40
Distance 2790 km
Flights per week 122
Departure airport Airport Chicago-IL all Airports (ORD, MDW, RFD) (CHI)
Arrival airport Airport Seattle-Tacoma International Airport, WA (SEA)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Seattle-Tacoma
Flight destinations with a similar price
Flight destinations with a similar price