Chicago to Seattle

ORDSEA

Fly from Chicago to Seattle starting at USD 97 with Frontier Airlines.Best fare available on Aug 31, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to Seattle cheapest flights this week

19 Aug
American Airlines
21:11ORD
01:59SEA
DirectUSD 122VIEW DEAL
20 Aug
Frontier Airlines
20:11ORD
12:39SEA
1 StopUSD 152VIEW DEAL
21 Aug
Frontier Airlines
21:10ORD
11:19SEA
2 StopUSD 166VIEW DEAL
22 Aug
Frontier Airlines
14:41ORD
11:19SEA
1 StopUSD 160VIEW DEAL
23 Aug
Frontier Airlines
21:20ORD
19:51SEA
1 StopUSD 215VIEW DEAL
26 Aug
Frontier Airlines
14:41ORD
11:19SEA
1 StopUSD 160VIEW DEAL
31 Aug
Frontier Airlines
14:41ORD
11:19SEA
1 StopUSD 97VIEW DEAL
1 Sept
Frontier Airlines
21:48ORD
11:48SEA
1 StopUSD 159VIEW DEAL
1 Sept
Frontier Airlines
14:41ORD
11:19SEA
1 StopUSD 137VIEW DEAL
1 Sept
American Airlines
18:01ORD
22:52SEA
DirectUSD 122VIEW DEAL

Chicago to Seattle monthly flight fare trend

Aug
from USD 97
Sep
from USD 96
Oct
from USD 99
Nov
No flights
Dec
from USD 178
Jan
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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