Seattle to Chicago

SEAORD

Fly from Seattle to Chicago starting at SAR 488 with Frontier Airlines.Best fare available on Aug 31, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Chicago cheapest flights this week

21 Aug
Frontier Airlines
10:34SEA
04:17ORD
1 StopSAR 796VIEW DEAL
22 Aug
Frontier Airlines
14:37SEA
11:36ORD
1 StopSAR 503VIEW DEAL
22 Aug
Frontier Airlines
20:53SEA
17:02ORD
1 StopSAR 588VIEW DEAL
22 Aug
Alaska Airlines
06:00SEA
10:07ORD
DirectSAR 807VIEW DEAL
23 Aug
Frontier Airlines
19:06SEA
11:36ORD
1 StopSAR 618VIEW DEAL
23 Aug
Frontier Airlines
21:29SEA
17:02ORD
1 StopSAR 733VIEW DEAL
24 Aug
Frontier Airlines
13:35SEA
11:36ORD
1 StopSAR 648VIEW DEAL
24 Aug
Frontier Airlines
10:34SEA
04:17ORD
1 StopSAR 629VIEW DEAL
27 Aug
Frontier Airlines
14:37SEA
11:36ORD
1 StopSAR 507VIEW DEAL
31 Aug
Frontier Airlines
19:06SEA
11:36ORD
1 StopSAR 488VIEW DEAL

Seattle to Chicago monthly flight fare trend

Aug
from SAR 488
Sep
from SAR 426
Oct
from SAR 492
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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