Alaska Airlines Flights from Petersburg to Ontario
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1 Passenger
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Lowest fares from Petersburg to Ontario
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One-way low-fare flights Petersburg to Ontario.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Petersburg (PSG) | Ontario (ONT) | One-way | Saver | Depart: Sep 15, 2026 | From $430 Seen: 10 hours ago | |
| Petersburg (PSG) | Ontario (ONT) | One-way | Saver | Depart: Sep 16, 2026 | From $430 Seen: 10 hours ago | |
| Petersburg (PSG) | Ontario (ONT) | One-way | Saver | Depart: Sep 21, 2026 | From $430 Seen: 10 hours ago | |
| Petersburg (PSG) | Ontario (ONT) | One-way | Saver | Depart: Sep 28, 2026 | From $430 Seen: 10 hours ago | |
| Petersburg (PSG) | Ontario (ONT) | One-way | Saver | Depart: Oct 1, 2026 | From $430 Seen: 10 hours ago | |
| Petersburg (PSG) | Ontario (ONT) | One-way | Saver | Depart: Oct 11, 2026 | From $430 Seen: 10 hours ago | |
| Petersburg (PSG) | Ontario (ONT) | One-way | Saver | Depart: Oct 15, 2026 | From $430 Seen: 10 hours ago | |
| Petersburg (PSG) | Ontario (ONT) | One-way | Saver | Depart: Oct 16, 2026 | From $430 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.