United flights from Ottawa to Houston from $ 642* or from $/mo
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Featured daily fares for flights from Ottawa (YOW) to Houston (IAH)
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More United deals on Ottawa (YOW) to Houston (IAH) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Ottawa (YOW) | Houston (IAH) | Roundtrip | Economy | 07/11/25 - 07/24/25 | from $ 642 Viewed: 10 hours ago |
| Ottawa (YOW) | Houston (IAH) | Roundtrip | Economy | 07/11/25 - 07/24/25 | from $ 698 Viewed: 10 hours ago |
| Ottawa (YOW) | Houston (IAH) | Roundtrip | Economy | 07/11/25 - 07/24/25 | from $ 846 Viewed: 10 hours ago |
| Ottawa (YOW) | Houston (IAH) | Roundtrip | Economy | 07/11/25 - 07/24/25 | from $ 851 Viewed: 10 hours ago |
| Ottawa (YOW) | Houston (IAH) | Roundtrip | Economy | 07/11/25 - 07/24/25 | from $ 999 Viewed: 10 hours ago |
| Ottawa (YOW) | Houston (IAH) | Roundtrip | Economy | 05/15/25 - 05/22/25 | from $ 1,016 Viewed: 1 day ago |
| Ottawa (YOW) | Houston (IAH) | Roundtrip | Economy | 05/15/25 - 05/22/25 | from $ 1,170 Viewed: 1 day ago |
| Ottawa (YOW) | Houston (IAH) | Roundtrip | Economy | 05/15/25 - 05/22/25 | from $ 1,322 Viewed: 1 day ago |
| Ottawa (YOW) | Houston (IAH) | Roundtrip | Economy | 05/15/25 - 05/22/25 | from $ 1,476 Viewed: 1 day 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.
