Alaska Airlines Flights from Seattle to Petersburg
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1 Passenger
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Lowest fares from Seattle to Petersburg
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One-way low-fare flights Seattle to Petersburg.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | Petersburg (PSG) | One-way | Saver | Depart: Oct 13, 2025 | From $232 Seen: 1 day ago | |
| Seattle (SEA) | Petersburg (PSG) | One-way | Saver | Depart: Oct 18, 2025 | From $232 Seen: 1 day ago | |
| Seattle (SEA) | Petersburg (PSG) | One-way | Saver | Depart: Nov 16, 2025 | From $232 Seen: 4 hours ago | |
| Seattle (SEA) | Petersburg (PSG) | One-way | Saver | Depart: Nov 17, 2025 | From $232 Seen: 4 hours ago | |
| Seattle (SEA) | Petersburg (PSG) | One-way | Saver | Depart: Nov 23, 2025 | From $232 Seen: 4 hours ago | |
| Seattle (SEA) | Petersburg (PSG) | One-way | Saver | Depart: Nov 24, 2025 | From $232 Seen: 4 hours ago | |
| Seattle (SEA) | Petersburg (PSG) | One-way | Saver | Depart: Dec 2, 2025 | From $232 Seen: 4 hours ago | |
| Seattle (SEA) | Petersburg (PSG) | One-way | Saver | Depart: Dec 8, 2025 | From $232 Seen: 4 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.