United flights from Ottawa to Chicago from $ 370* or from $/mo
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Featured daily fares for flights from Ottawa (YOW) to Chicago (ORD)
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More United deals on Ottawa (YOW) to Chicago (ORD) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Ottawa (YOW) | Chicago (ORD) | Roundtrip | Economy | 07/10/25 - 07/13/25 | from $ 370 Viewed: 3 hours ago |
| Ottawa (YOW) | Chicago (ORD) | Roundtrip | Economy | 09/12/25 - 09/14/25 | from $ 379 Viewed: 6 hours ago |
| Ottawa (YOW) | Chicago (ORD) | Roundtrip | Economy | 07/18/25 - 07/24/25 | from $ 381 Viewed: 7 hours ago |
| Ottawa (YOW) | Chicago (ORD) | Roundtrip | Economy | 06/12/25 - 06/19/25 | from $ 384 Viewed: 8 hours ago |
| Ottawa (YOW) | Chicago (ORD) | Roundtrip | Economy | 06/26/25 - 12/13/25 | from $ 413 Viewed: 2 hours ago |
| Ottawa (YOW) | Chicago (ORD) | Roundtrip | Economy | 07/10/25 - 07/13/25 | from $ 427 Viewed: 3 hours ago |
| Ottawa (YOW) | Chicago (ORD) | Roundtrip | Economy | 09/12/25 - 09/14/25 | from $ 437 Viewed: 6 hours ago |
| Ottawa (YOW) | Chicago (ORD) | Roundtrip | Economy | 07/18/25 - 07/24/25 | from $ 439 Viewed: 7 hours ago |
| Ottawa (YOW) | Chicago (ORD) | Roundtrip | Economy | 05/20/25 - 05/20/25 | from $ 452 Viewed: 10 hours ago |
| Ottawa (YOW) | Chicago (ORD) | Roundtrip | Economy | 06/26/25 - 12/13/25 | from $ 470 Viewed: 2 hours ago |
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, 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.
