Seattle to Chicago

SEAORD

Fly from Seattle to Chicago starting at SAR 477 with Alaska Airlines.Best fare available on Aug 12, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Chicago cheapest flights this week

12 Aug
Frontier Airlines
19:06SEA
18:52ORD
1 StopSAR 525VIEW DEAL
12 Aug
Frontier Airlines
20:13SEA
03:37ORD
1 StopSAR 659VIEW DEAL
12 Aug
Alaska Airlines
00:17SEA
04:20ORD
DirectSAR 477VIEW DEAL
12 Aug
Frontier Airlines
10:34SEA
04:17ORD
1 StopSAR 766VIEW DEAL
14 Aug
American Airlines
06:10SEA
10:10ORD
DirectSAR 625VIEW DEAL
14 Aug
Alaska Airlines
21:28SEA
03:00ORD
1 StopSAR 866VIEW DEAL
17 Aug
Frontier Airlines
19:06SEA
11:36ORD
1 StopSAR 636VIEW DEAL
20 Aug
Frontier Airlines
21:29SEA
17:02ORD
1 StopSAR 629VIEW DEAL
21 Aug
Frontier Airlines
10:34SEA
04:17ORD
1 StopSAR 796VIEW DEAL
22 Aug
Frontier Airlines
14:37SEA
11:36ORD
1 StopSAR 503VIEW DEAL

Seattle to Chicago monthly flight fare trend

Aug
from SAR 477
Sep
from SAR 426
Oct
from SAR 544
Nov
from SAR 744
Dec
No flights
Jan
No flights

Airport Details

Origin

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

Destination

Chicago

Chicago O'Hare International Airport (ORD)

Chicago, ORD
Zone

Chicago

Elev

680 ft

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