Alaska Airlines Flights from Petersburg to Seattle
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1 Passenger
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Lowest fares from Petersburg to Seattle
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One-way low-fare flights Petersburg to Seattle.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Jan 11, 2026 | From $209 Seen: 20 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Jan 12, 2026 | From $209 Seen: 20 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Jan 13, 2026 | From $209 Seen: 20 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Jan 17, 2026 | From $209 Seen: 20 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Jan 20, 2026 | From $209 Seen: 20 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Jan 22, 2026 | From $209 Seen: 20 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Jan 23, 2026 | From $209 Seen: 20 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Jan 24, 2026 | From $209 Seen: 20 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.