Flights from Sioux Falls to Ontario from $ 352*
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1 Passenger, Economy
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More United deals on Sioux Falls (FSD) to Ontario (ONT) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Sioux Falls (FSD) | Ontario (ONT) | Roundtrip | Economy | 05/30/26 - 06/03/26 | from $ 352 Viewed: 8 hours ago |
| Sioux Falls (FSD) | Ontario (ONT) | Roundtrip | Economy | 07/03/26 - 07/10/26 | from $ 369 Viewed: 8 hours ago |
| Sioux Falls (FSD) | Ontario (ONT) | Roundtrip | Economy | 08/05/26 - 08/12/26 | from $ 370 Viewed: 8 hours ago |
| Sioux Falls (FSD) | Ontario (ONT) | Roundtrip | Economy | 05/27/26 - 06/03/26 | from $ 382 Viewed: 8 hours ago |
| Sioux Falls (FSD) | Ontario (ONT) | Roundtrip | Economy | 06/13/26 - 06/20/26 | from $ 393 Viewed: 8 hours ago |
| Sioux Falls (FSD) | Ontario (ONT) | Roundtrip | Economy | 05/28/26 - 06/04/26 | from $ 404 Viewed: 8 hours ago |
| Sioux Falls (FSD) | Ontario (ONT) | Roundtrip | Economy | 05/19/26 - 05/23/26 | from $ 407 Viewed: 8 hours ago |
| Sioux Falls (FSD) | Ontario (ONT) | Roundtrip | Economy | 05/16/26 - 05/23/26 | from $ 407 Viewed: 8 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. Schedules are subject to change without notice.
