Alaska Airlines Flights from Portland to Missoula
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1 Passenger
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Lowest fares from Portland to Missoula
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One-way low-fare flights Portland to Missoula.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Portland (PDX) | Missoula (MSO) | One-way | Saver | Depart: May 20, 2026 | From $99 Seen: 21 hours ago | |
| Portland (PDX) | Missoula (MSO) | One-way | Saver | Depart: Apr 1, 2026 | From $99 Seen: 21 hours ago | |
| Portland (PDX) | Missoula (MSO) | One-way | Saver | Depart: Mar 14, 2026 | From $99 Seen: 21 hours ago | |
| Portland (PDX) | Missoula (MSO) | One-way | Saver | Depart: May 13, 2026 | From $99 Seen: 21 hours ago | |
| Portland (PDX) | Missoula (MSO) | One-way | Saver | Depart: May 19, 2026 | From $99 Seen: 21 hours ago | |
| Portland (PDX) | Missoula (MSO) | One-way | Saver | Depart: May 16, 2026 | From $109 Seen: 21 hours ago | |
| Portland (PDX) | Missoula (MSO) | One-way | Saver | Depart: May 18, 2026 | From $109 Seen: 21 hours ago | |
| Portland (PDX) | Missoula (MSO) | One-way | Saver | Depart: Mar 27, 2026 | From $109 Seen: 21 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.