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Cheap flights from Ontario to Chicago

Find cheap Chicago to Ontario flights with our free search service. Compare all available fares for direct or connection flights from Chicago to Ontario.

Round-trip
  • One-way
  • Round-trip
1 adult
Adults 12 years or over
1
Children 2-11 years
0
Infants 0-23 months
0
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Economy Class
  • Economy Class
  • Business Class
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Ontario to Chicago flight schedules

Flight Departure Date Arrival Date Price Duration Number of stops Updated
Ontario (ONT) - Chicago (CHI) 2026-11-06 2026-11-08 246 USD 10 hours 0 minutes Connection 2026-10-09T08:15:06
Ontario (ONT) - Chicago (CHI) 2026-11-02 2026-11-05 251 USD 8 hours 15 minutes Direct 2026-10-06T22:24:17
Ontario (ONT) - Chicago (CHI) 2026-11-02 2026-11-04 263 USD 8 hours 10 minutes Direct 2026-10-10T08:10:43
Ontario (ONT) - Chicago (CHI) 2026-11-07 2026-11-09 269 USD 17 hours 50 minutes Connection 2026-10-09T18:50:54
Ontario (ONT) - Chicago (CHI) 2026-12-22 2027-01-05 274 USD 20 hours 5 minutes Connection 2026-10-09T04:21:55
Ontario (ONT) - Chicago (CHI) 2026-11-11 2026-11-15 277 USD 15 hours 10 minutes Connection 2026-10-08T23:11:42
Ontario (ONT) - Chicago (CHI) 2027-01-15 2027-01-22 302 USD 8 hours 20 minutes Direct 2026-10-08T01:51:50
Ontario (ONT) - Chicago (CHI) 2026-11-09 2026-11-13 338 USD 8 hours 10 minutes Direct 2026-10-04T13:40:08
Ontario (ONT) - Chicago (CHI) 2027-01-10 2027-01-10 363 USD 19 hours 20 minutes Connection 2026-10-06T19:57:28
Ontario (ONT) - Chicago (CHI) 2026-10-12 2026-10-14 380 USD 13 hours 39 minutes Connection 2026-10-08T21:05:42
Ontario (ONT) - Chicago (CHI) 2026-11-18 2026-11-22 402 USD 8 hours 15 minutes Direct 2026-10-08T23:31:38
Ontario (ONT) - Chicago (CHI) 2026-11-13 2026-11-18 403 USD 8 hours 10 minutes Direct 2026-10-04T08:13:31
Ontario (ONT) - Chicago (CHI) 2026-11-05 2026-11-08 411 USD 8 hours 20 minutes Direct 2026-10-07T17:54:20
Ontario (ONT) - Chicago (CHI) 2026-10-23 2026-10-30 411 USD 8 hours 20 minutes Direct 2026-10-08T02:15:57
Ontario (ONT) - Chicago (CHI) 2026-10-20 2026-10-23 466 USD 11 hours 41 minutes Connection 2026-10-06T21:36:38
Ontario (ONT) - Chicago (CHI) 2027-01-02 2027-01-05 469 USD 8 hours 20 minutes Direct 2026-10-07T04:08:11
Ontario (ONT) - Chicago (CHI) 2026-10-11 2026-10-18 508 USD 8 hours 15 minutes Direct 2026-10-04T21:07:02
Ontario (ONT) - Chicago (CHI) 2027-03-16 2027-04-16 520 USD 8 hours 15 minutes Direct 2026-10-10T09:17:05
Ontario (ONT) - Chicago (CHI) 2026-10-10 2026-10-17 522 USD 8 hours 15 minutes Direct 2026-10-04T21:07:32
Ontario (ONT) - Chicago (CHI) 2026-10-29 2026-11-02 555 USD 20 hours 59 minutes Connection 2026-10-09T16:44:57
Ontario (ONT) - Chicago (CHI) 2026-11-28 2026-12-04 574 USD 8 hours 10 minutes Direct 2026-10-07T03:19:53
Ontario (ONT) - Chicago (CHI) 2027-03-12 2027-04-12 577 USD 8 hours 15 minutes Direct 2026-10-10T09:17:04
Ontario (ONT) - Chicago (CHI) 2027-03-18 2027-04-18 577 USD 8 hours 15 minutes Direct 2026-10-10T09:17:04
Ontario (ONT) - Chicago (CHI) 2026-10-13 2026-10-18 587 USD 8 hours 15 minutes Direct 2026-10-04T08:14:46
Ontario (ONT) - Chicago (CHI) 2026-10-10 2026-10-13 1042 USD 8 hours 15 minutes Direct 2026-10-10T20:58:55

Ontario to Chicago flight status

Flight Origin Destination Departure Arrival Equip
WN6288 Ontario (ONT) Chicago (MDW) 11:40 a.m. 12:45 p.m. B737

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