Seattle to Chicago

SEAORD

Fly from Seattle to Chicago starting at USD 132 with Frontier Airlines.Best fare available on Aug 1, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Chicago cheapest flights this week

1 Aug
Frontier Airlines
20:13SEA
03:37ORD
1 StopUSD 132VIEW DEAL
2 Aug
Hawaiian Airlines
00:17SEA
04:20ORD
DirectUSD 184VIEW DEAL
2 Aug
Alaska Airlines
00:17SEA
04:20ORD
DirectUSD 213VIEW DEAL
3 Aug
Alaska Airlines
06:00SEA
10:03ORD
DirectUSD 188VIEW DEAL
3 Aug
Alaska Airlines
17:48SEA
21:59ORD
DirectUSD 213VIEW DEAL
5 Aug
Frontier Airlines
20:13SEA
03:37ORD
1 StopUSD 209VIEW DEAL
6 Aug
United Airlines
23:11SEA
03:18ORD
DirectUSD 135VIEW DEAL
6 Aug
American Airlines
05:50SEA
10:07ORD
DirectUSD 178VIEW DEAL
7 Aug
Alaska Airlines
17:48SEA
21:59ORD
DirectUSD 208VIEW DEAL
8 Aug
Frontier Airlines
10:34SEA
04:17ORD
1 StopUSD 177VIEW DEAL

Seattle to Chicago monthly flight fare trend

Aug
from USD 129
Sep
from USD 115
Oct
from USD 147
Nov
from USD 201
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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