Chicago to Seattle

ORDSEA

Fly from Chicago to Seattle starting at USD 128 with Alaska Airlines.Best fare available on Jul 27, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to Seattle cheapest flights this week

24 Jul
Alaska Airlines
18:42ORD
23:34SEA
DirectUSD 182VIEW DEAL
26 Jul
American Airlines
22:15ORD
02:52SEA
DirectUSD 208VIEW DEAL
26 Jul
Alaska Airlines
06:00ORD
10:38SEA
DirectUSD 156VIEW DEAL
27 Jul
Alaska Airlines
06:00ORD
10:38SEA
DirectUSD 128VIEW DEAL
27 Jul
Alaska Airlines
08:02ORD
12:37SEA
DirectUSD 202VIEW DEAL
30 Jul
Alaska Airlines
20:20ORD
01:04SEA
DirectUSD 204VIEW DEAL
31 Jul
Frontier Airlines
21:57ORD
11:17SEA
1 StopUSD 165VIEW DEAL
2 Aug
Hawaiian Airlines
06:00ORD
10:38SEA
DirectUSD 163VIEW DEAL
3 Aug
Alaska Airlines
06:00ORD
10:38SEA
DirectUSD 186VIEW DEAL
4 Aug
American Airlines
20:58ORD
01:35SEA
DirectUSD 173VIEW DEAL

Chicago to Seattle monthly flight fare trend

Jul
from USD 128
Aug
from USD 97
Sep
from USD 97
Oct
from USD 111
Nov
No flights
Dec
No flights

Airport Details

Origin

Chicago

Chicago O'Hare International Airport (ORD)

Chicago, ORD
Zone

Chicago

Elev

680 ft

Destination

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

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