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Chicago skyline and Lake Michigan
ORD
Chicago
Seattle skyline with Space Needle and Mount Rainier
SEA
Seattle

Chicago → Seattle

Frontier Airlines · Round Trip · Nonstop

Save $25 (10% off)
Compared to the typical price of $241
$216$241

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
Apr 25, 2026
Returns
Apr 27, 2026

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