Alaska Airlines Flights from Helena to Portland
expand_more
1 Passenger
expand_moretoday
today
Lowest fares from Helena to Portland
location_on
location_on
One-way low-fare flights Helena to Portland.*
flight_takeoff
flight_land
$
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Helena (HLN) | Portland (PDX) | One-way | Saver | Depart: Apr 17, 2026 | From $141 Seen: 8 hours ago | |
| Helena (HLN) | Portland (PDX) | One-way | Saver | Depart: Feb 20, 2026 | From $248 Seen: 14 hours ago | |
| Helena (HLN) | Portland (PDX) | One-way | Saver | Depart: Mar 24, 2026 | From $89 Seen: 1 day ago | |
| Helena (HLN) | Portland (PDX) | One-way | Saver | Depart: Apr 18, 2026 | From $134 Seen: 1 day ago | |
| Helena (HLN) | Portland (PDX) | One-way | Saver | Depart: Mar 30, 2026 | From $197 Seen: 1 day ago | |
| Helena (HLN) | Portland (PDX) | One-way | Saver | Depart: Feb 27, 2026 | From $216 Seen: 1 day ago | |
| Helena (HLN) | Portland (PDX) | One-way | Saver | Depart: Mar 6, 2026 | From $378 Seen: 1 day 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.