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Chicago skyline
MDW
Chicago
Ontario California aerial with San Gabriel Mountains
ONT
Ontario

Chicago → Ontario

Southwest Airlines · Round Trip · Nonstop

Save $55 (21% off)
Compared to the typical price of $268
$213$268

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
May 12, 2026
Returns
May 13, 2026

Price History

Avg: $204
Low: $195
High: $213
$190$200$210$220Apr 2Apr 3

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