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Chicago skyline and Lake Michigan
ORD
Chicago
Ontario California aerial with San Gabriel Mountains
ONT
Ontario

Chicago → Ontario

Frontier Airlines · Round Trip · Nonstop

Save $47 (27% off)
Compared to the typical price of $172
$125$172

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
Apr 27, 2026
Returns
Apr 30, 2026

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