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From Chicago
Current:
Chicago to Ontario
Chicago ✈ Ontario
Cheapest airfares from Chicago to Ontario
Search for flight deals to Ontario
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All prices in AUD, prices may fluctuate slightly from the advertised price.
Fly on Wed, Feb 5th 2025
From
$123
Frontier Airlines
F9 2209 (1 Transfer)
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Fly on Sun, Mar 2nd 2025
From
$140
Frontier Airlines
F9 2329 (1 Transfer)
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Fly on Thu, Jan 30th 2025
From
$164
Frontier Airlines
F9 3173 (1 Transfer)
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Fly on Fri, Apr 4th 2025
From
$167
Frontier Airlines
F9 2329 (1 Transfer)
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Fly on Mon, Sep 15th 2025
From
$382
Alaska Airlines
AS 587 (1 Transfer)
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Fly on Fri, Jul 4th 2025
From
$420
United Airlines
UA 1124 (1 Transfer)
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