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

22 Jul
Alaska Airlines
06:00SEA
10:03ORD
DirectUSD 139VIEW DEAL
27 Jul
Alaska Airlines
00:17SEA
04:20ORD
DirectUSD 145VIEW DEAL
28 Jul
Frontier Airlines
20:13SEA
03:37ORD
1 StopUSD 161VIEW DEAL
29 Jul
Alaska Airlines
18:59SEA
03:00ORD
1 StopUSD 161VIEW DEAL
31 Jul
Frontier Airlines
19:06SEA
18:52ORD
1 StopUSD 172VIEW DEAL
1 Aug
Frontier Airlines
20:13SEA
03:37ORD
1 StopUSD 132VIEW DEAL
2 Aug
Hawaiian Airlines
00:17SEA
04:20ORD
DirectUSD 184VIEW DEAL
3 Aug
Alaska Airlines
06:00SEA
10:03ORD
DirectUSD 188VIEW DEAL
5 Aug
Frontier Airlines
20:13SEA
03:37ORD
1 StopUSD 139VIEW DEAL
6 Aug
United Airlines
23:11SEA
03:18ORD
DirectUSD 135VIEW DEAL

Seattle to Chicago monthly flight fare trend

Jul
from USD 139
Aug
from USD 132
Sep
from USD 115
Oct
from USD 147
Nov
from USD 201
Dec
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

Flights from Seattle

Flights from Seattle to AtlantaFlights from Seattle to AustinFlights from Seattle to BostonFlights from Seattle to CharlotteFlights from Seattle to DenverFlights from Seattle to DallasFlights from Seattle to DetroitFlights from Seattle to NewarkFlights from Seattle to Fort LauderdaleFlights from Seattle to Honolulu