Cheap flights from Portland to Missoula

One-way fares from $314 · PDX → MSO · prices found by travellers in the last 48 hours

Compare all dates Missoula → Portland
Cheapest fare
$314

Alaska Airlines · Sat, Nov 14

Cheapest month
November

from $314

Direct flights
Yes

Alaska Airlines

Flight time
1h 34m

690 km

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Cheapest month to fly from Portland to Missoula

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $314

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Alaska Airlines
Depart10:48 Sat, Nov 14PDX → MSO 1h 34m · Direct
$314one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Missoula

Where to stay, what to do and getting around, from our travel partners.

Where to stay

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Things to do

Things to do in MissoulaTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in MissoulaPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in MissoulaCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Portland to Missoula

Portland (PDX) and Missoula (MSO) are about 690 km apart. Direct flights take around 1h 34m, and recent direct fares were with Alaska Airlines. Over the next few months, one-way fares start from $314, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Portland to Missoula?

The cheapest one-way fare we've seen recently is $314 with Alaska Airlines, departing Saturday, November 14, 2026.

What is the cheapest month to fly from Portland to Missoula?

November 2026 currently has the lowest fares, from $314 one way.

Are there direct flights from Portland to Missoula?

Yes. Recent direct fares were with Alaska Airlines.

How long is the flight from Portland to Missoula?

A direct flight takes about 1h 34m. Portland and Missoula are around 690 km apart.

Which airlines fly from Portland to Missoula?

Recent fares on this route were with Alaska Airlines.

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