Book United Chicago to Ontario flight deals from $230

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Search flights from Chicago to Ontario (ORD - ONT)

November

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Tuesday 13th

Return Wednesday 28th
from$ 257*Viewed: 21 minutes ago

Wednesday 14th

Return Thursday 29th
from$ 284*Viewed: 21 minutes ago

Thursday 29th

Return Friday 14th
from$ 257*Viewed: 21 minutes ago

December

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Saturday 1st

Return Sunday 16th
from$ 258*Viewed: 21 minutes ago

Monday 3rd

Return Tuesday 18th
from$ 257*Viewed: 21 minutes ago

Monday 10th

Return Tuesday 25th
from$ 257*Viewed: 21 minutes ago

January

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Wednesday 9th

Return Thursday 24th
from$ 230*Viewed: 21 minutes ago

Thursday 10th

Return Friday 25th
from$ 230*Viewed: 21 minutes ago

Friday 11th

Return Saturday 26th
from$ 230*Viewed: 21 minutes ago
**Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply..

Plan ahead for flights from Chicago to Ontario

from
to
Type
Dates
Price*
Chicago (ORD)
to Ontario (ONT)
Roundtrip
Depart Mon 29 Oct 2018
Return Tue 13 Nov 2018
from$ 230*Viewed: 21 minutes ago
Chicago (ORD)
to Ontario (ONT)
Roundtrip
Depart Tue 30 Oct 2018
Return Wed 14 Nov 2018
from$ 230*Viewed: 21 minutes ago
Chicago (ORD)
to Ontario (ONT)
Roundtrip
Depart Tue 8 Jan 2019
Return Wed 23 Jan 2019
from$ 230*Viewed: 21 minutes ago
Chicago (ORD)
to Ontario (ONT)
Roundtrip
Depart Wed 9 Jan 2019
Return Thu 24 Jan 2019
from$ 230*Viewed: 21 minutes ago
Chicago (ORD)
to Ontario (ONT)
Roundtrip
Depart Thu 10 Jan 2019
Return Fri 25 Jan 2019
from$ 230*Viewed: 21 minutes ago
Chicago (ORD)
to Ontario (ONT)
Roundtrip
Depart Fri 11 Jan 2019
Return Sat 26 Jan 2019
from$ 230*Viewed: 21 minutes ago
Chicago (ORD)
to Ontario (ONT)
Roundtrip
Depart Mon 14 Jan 2019
Return Tue 29 Jan 2019
from$ 230*Viewed: 21 minutes ago
Chicago (ORD)
to Ontario (ONT)
Roundtrip
Depart Tue 15 Jan 2019
Return Wed 30 Jan 2019
from$ 230*Viewed: 21 minutes ago
Chicago (ORD)
to Ontario (ONT)
Roundtrip
Depart Wed 16 Jan 2019
Return Thu 31 Jan 2019
from$ 230*Viewed: 21 minutes ago
Chicago (ORD)
to Ontario (ONT)
Roundtrip
Depart Tue 13 Nov 2018
Return Wed 28 Nov 2018
from$ 257*Viewed: 21 minutes ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Ontario

86 °FMonday10/22/2018
74 °FTuesday10/23/2018
75 °FWednesday10/24/2018
75 °FThursday10/25/2018
78 °FFriday10/26/2018
78 °FSaturday10/27/2018
77 °FSunday10/28/2018
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