Seattle to Chicago

SEAORD

Fly from Seattle to Chicago starting at SAR 544 with Frontier Airlines.Best fare available on Oct 2, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Chicago cheapest flights this week

2 Oct
Frontier Airlines
19:41SEA
19:35ORD
1 StopSAR 544VIEW DEAL
2 Oct
Frontier Airlines
19:45SEA
03:38ORD
1 StopSAR 648VIEW DEAL
3 Oct
Alaska Airlines
00:16SEA
04:20ORD
DirectSAR 895VIEW DEAL
3 Oct
Frontier Airlines
21:45SEA
19:39ORD
3 StopSAR 1,532VIEW DEAL
5 Oct
Frontier Airlines
19:45SEA
03:38ORD
1 StopSAR 784VIEW DEAL
6 Oct
Frontier Airlines
10:57SEA
03:38ORD
1 StopSAR 740VIEW DEAL
10 Oct
Frontier Airlines
20:00SEA
04:34ORD
1 StopSAR 722VIEW DEAL
13 Oct
United Airlines
07:00SEA
11:15ORD
DirectSAR 599VIEW DEAL
14 Oct
American Airlines
06:12SEA
10:26ORD
DirectSAR 559VIEW DEAL
14 Oct
American Airlines
17:39SEA
21:45ORD
DirectSAR 629VIEW DEAL

Seattle to Chicago monthly flight fare trend

Oct
from SAR 396
Nov
from SAR 744
Dec
No flights
Jan
from SAR 559
Feb
from SAR 570
Mar
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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