Ontario (ONT) to Chicago (ORD) flight deal in economy from $144
ONTOntario International Airport
Ontario, United States
ORDO'Hare International Airport
Chicago, United States
$309 USD
-53%$144 USD
Verified about 6 hours agoSeptember 2026
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Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Wednesday, September 30th, 2026
10 round-trip options
Returning
Mon, Oct 5, 2026•5 Day Trip
$256 USD
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Tue, Oct 6, 2026•6 Day Trip
$209 USD
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Wed, Oct 7, 2026•7 Day Trip
$255 USD
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Thu, Oct 8, 2026•8 Day Trip
$320 USD
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Fri, Oct 9, 2026•9 Day Trip
$268 USD
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Sat, Oct 10, 2026•10 Day Trip
$209 USD
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Sun, Oct 11, 2026•11 Day Trip
$363 USD
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Mon, Oct 12, 2026•12 Day Trip
$327 USD
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Tue, Oct 13, 2026•13 Day Trip
$249 USD
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Wed, Oct 14, 2026•14 Day Trip
$245 USD