Book Cheap Flights from Helena with Alaska Airlines
Find round-trip flight deals from Helena.*
Helena (HLN)to
Seattle (SEA)
Helena (HLN)to
Portland (PDX)*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.
One-way flight deals from Helena.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Apr 11, 2026 | From $89 Seen: 13 hours ago | |
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Apr 13, 2026 | From $89 Seen: 13 hours ago | |
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Apr 16, 2026 | From $89 Seen: 13 hours ago | |
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Apr 19, 2026 | From $89 Seen: 13 hours ago | |
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Apr 20, 2026 | From $89 Seen: 13 hours ago | |
| Helena (HLN) | Seattle (SEA) | One-way | Saver | Depart: Apr 21, 2026 | From $89 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.