Alaska Airlines Flights from Helena to Seattle
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1 Passenger
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Lowest fares from Helena to Seattle
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One-way low-fare flights Helena to Seattle.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Feb 28, 2026 | From $89 Seen: 15 hours ago | |
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Nov 4, 2025 | From $89 Seen: 15 hours ago | |
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Nov 11, 2025 | From $89 Seen: 15 hours ago | |
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Nov 12, 2025 | From $89 Seen: 15 hours ago | |
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Nov 18, 2025 | From $89 Seen: 15 hours ago | |
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Nov 19, 2025 | From $89 Seen: 15 hours ago | |
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Dec 10, 2025 | From $89 Seen: 15 hours ago | |
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Dec 13, 2025 | From $89 Seen: 15 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.