Alaska Airlines Flights from San Jose to Ontario
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1 Passenger
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Lowest fares from San Jose to Ontario
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One-way low-fare flights San Jose to Ontario.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Jose (SJC) | Ontario (ONT) | One-way | Saver | Depart: Apr 25, 2026 | From $207 Seen: 1 day ago | |
| San Jose (SJC) | Ontario (ONT) | One-way | Saver | Depart: Jun 24, 2026 | From $277 Seen: 7 hours ago | |
| San Jose (SJC) | Ontario (ONT) | One-way | Saver | Depart: Mar 25, 2026 | From $355 Seen: 1 day ago | |
| San Jose (SJC) | Ontario (ONT) | One-way | Saver | Depart: Mar 13, 2026 | From $596 Seen: 16 hours ago | |
| San Jose (SJC) | Ontario (ONT) | One-way | Saver | Depart: Mar 10, 2026 | From $601 Seen: 10 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.