Chicago to Seattle
ORDSEA
Fly from Chicago to Seattle starting at USD 116 with F9.
Best fare available on May 9, 2026.
Limited seats. Better plans. Book before it's gone.
Chicago to Seattle cheapest flights this week
3 May
F9
10:50ORD
--:--SEA
1 Stop$170VIEW DEAL
4 May
AS
06:00ORD
--:--SEA
Direct$183VIEW DEAL
6 May
F9
21:37ORD
--:--SEA
1 Stop$139VIEW DEAL
9 May
F9
21:37ORD
--:--SEA
1 Stop$116VIEW DEAL
29 Jun
F9
21:48ORD
--:--SEA
2 Stop$168VIEW DEAL
4 Aug
AA
20:58ORD
--:--SEA
Direct$173VIEW DEAL
1 Sept
F9
21:48ORD
--:--SEA
1 Stop$159VIEW DEAL
13 Sept
UA
16:12ORD
--:--SEA
Direct$177VIEW DEAL
Chicago to Seattle monthly flight fare trend
Apr
No flights
May
from USD 116
Jun
from USD 168
Jul
No flights
Aug
from USD 173
Sep
from USD 159
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
