Best Flights starting from $318
from$318economy
Seattle (SEA)
Sat, Aug 8
Roundtrip
Chicago (ORD)
Tue, Aug 11
from$394economy
Seattle (SEA)
Tue, Aug 4
Roundtrip
Chicago (ORD)
Fri, Aug 7
from$401economy
Seattle (SEA)
Fri, Aug 7
Roundtrip
Chicago (ORD)
Mon, Aug 10
from$433economy
Seattle (SEA)
Wed, Aug 5
Roundtrip
Chicago (ORD)
Sat, Aug 8
from$439economy
Seattle (SEA)
Thu, Aug 6
Roundtrip
Chicago (ORD)
Sun, Aug 9
from$467economy
Seattle (SEA)
Sun, Aug 2
Roundtrip
Chicago (ORD)
Wed, Aug 5
from$467economy
Seattle (SEA)
Mon, Aug 3
Roundtrip
Chicago (ORD)
Thu, Aug 6
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Other Options for This Route
Other Destinations
Seattle (SEA) to Denver (DEN) in August from $43
From $43
Seattle (SEA) to Las Vegas (Any) in August from $56
From $56
Seattle (SEA) to Phoenix (PHX) in August from $99
From $99
Seattle (SEA) to Washington, D.C. (BWI) in August from $114
From $114
Seattle (SEA) to Las Vegas (LAS) in August from $117
From $117
Seattle (SEA) to Santa Ana (SNA) in August from $120
From $120
Flights from Other Cities
Dallas (DFW) to Chicago (ORD) in August from $33
From $33
Miami (Any) to Chicago (ORD) in August from $44
From $44
Dallas (DFW) to Chicago (ORD) in August from $48
From $48
Dallas (Any) to Chicago (ORD) in August from $48
From $48
Denver (DEN) to Chicago (ORD) in August from $56
From $56
Orlando (MCO) to Chicago (ORD) in August from $64
From $64