Alaska Airlines Flights from Missoula to Portland

Flexpay logo

Book now. Pay later.

Spread the cost of your flight over low monthly payments.

Learn more

Lowest fares from Missoula to Portland

*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 low-fare flights Missoula to Portland.*

$
keyboard_arrow_down
One-way low-fare flights Missoula to Portland.*
From
To
Fare Type
Dates
Price
Missoula (MSO)Portland (PDX)One-way
|
Saver		Depart: Nov 18, 2025

From

$88

Seen: 14 hours ago

Missoula (MSO)Portland (PDX)One-way
|
Saver		Depart: Nov 19, 2025

From

$88

Seen: 14 hours ago

Missoula (MSO)Portland (PDX)One-way
|
Saver		Depart: Dec 13, 2025

From

$88

Seen: 14 hours ago

Missoula (MSO)Portland (PDX)One-way
|
Saver		Depart: Nov 4, 2025

From

$88

Seen: 14 hours ago

Missoula (MSO)Portland (PDX)One-way
|
Saver		Depart: Nov 5, 2025

From

$88

Seen: 14 hours ago

Missoula (MSO)Portland (PDX)One-way
|
Saver		Depart: Dec 6, 2025

From

$88

Seen: 14 hours ago

Missoula (MSO)Portland (PDX)One-way
|
Saver		Depart: Dec 16, 2025

From

$88

Seen: 14 hours ago

Missoula (MSO)Portland (PDX)One-way
|
Saver		Depart: Sep 23, 2025

From

$88

Seen: 14 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.

Looking for more? See other routes