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: Mar 6, 2026 | From $244 Seen: 13 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Mar 8, 2026 | From $244 Seen: 13 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Mar 11, 2026 | From $244 Seen: 13 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Mar 17, 2026 | From $244 Seen: 13 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Mar 27, 2026 | From $244 Seen: 13 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Mar 28, 2026 | From $244 Seen: 13 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Apr 4, 2026 | From $244 Seen: 13 hours ago | |
| Petersburg (PSG) | Seattle (SEA) | One-way | Saver | Depart: Apr 10, 2026 | From $244 Seen: 13 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.