Cheap flights from Portland to Missoula

Portland
PDX
Missoula
MSO

Flight deals from Portland to Missoula

Below you can see the best deals on flights Portland — Missoula for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 19 September, from $135.

Top 10 cheap flights from Portland to Missoula

AS
AS
$ 314

Portland — Missoula

10:30—15:17
20 Aug 2026
3 h 47 m
1 stop
AS
AS
$ 314

Portland — Missoula

17:41—22:59
20 Aug 2026
4 h 18 m
1 stop
AS
AS
$ 314

Portland — Missoula

09:30—15:17
20 Aug 2026
4 h 47 m
1 stop
AS
AS
$ 314

Portland — Missoula

08:07—15:17
20 Aug 2026
6 h 10 m
1 stop
DL
DL
$ 318

Portland — Missoula

19:00—00:18
20 Aug 2026
4 h 18 m
1 stop
DL
DL
$ 318

Portland — Missoula

17:08—00:18
20 Aug 2026
6 h 10 m
1 stop
AS
$ 395

Portland — Missoula

14:30—17:01
18 Aug 2026
1 h 31 m
Direct flight
AS
$ 395

Portland — Missoula

10:48—13:25
19 Aug 2026
1 h 37 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Portland — Missoula flight

Looking for cheap flights from Portland to Missoula? Compare fares from different airlines, check the flight schedule and travel time — and book your Portland — Missoula ticket online at the best price.

The route has direct flights — around 28 flights per week, flights are operated by Alaska Airlines, a nonstop flight takes about 1 h 29 min, the distance between the cities is around 687 km.

Planning your trip? You may find our Missoula travel guide, how to get from the airport into town and Missoula weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $135Min. price
SeptemberCheapest
AugustPeak season
YesDirect flights
687 kmDistance
1 h 29 minTravel time
1Airlines
28 / wkFlights

Flight schedule from Portland to Missoula

The table shows direct flights from Portland to Missoula on the selected date. The flight takes approximately 1 h 29 min. Regular flights are operated by Alaska Airlines. Departures from Portland International Airport airports, arrivals at Missoula International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 16 Aug 2026

Flight ticket prices by day: Portland — Missoula

Below is a calendar of the lowest flight ticket prices for Portland — Missoula by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $135 in September, and the most expensive are around $230 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Portland to Missoula by month. Tickets are usually cheapest in April (around $149) and priciest in July (about $200) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$158lowMay$167mediumSep$172medium
Feb$153lowJun$186highOct$191high
Mar$163mediumJul$200highNov$167medium
Apr$149lowAug$158lowDec$195high

Some values are estimated based on seasonality.

When to fly

Weather in Missoula: it is warmest in July (up to 28 °C on average) and coolest in February (around -1 °C). The driest month is July.

Tickets are usually cheapest in September and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Missoula

Dry and wet days · Missoula

Wind speed and direction · Missoula

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How to get the best deal on a Portland — Missoula ticket

  • Book ahead: fares for Portland — Missoula are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Missoula is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Portland — Missoula route are operated by 1 airline; Alaska Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • Alaska AirlinesAS
    9x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight PDX → MSO9x/week
      Duration
      1h 32m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the Portland — Missoula route

Flights Portland — Missoula depart from Portland International Airport and arrive at Missoula International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Portland

PDX
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Missoula

MSO
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Portland — Missoula flight

How long is the flight from Portland to Missoula?

A nonstop Portland — Missoula flight takes about 1 h 29 min — the distance between the cities is around 687 km.

How far is it from Portland to Missoula?

The distance from Portland to Missoula is about 687 km, which a nonstop flight covers in around 1 h 29 min.

Are there direct flights from Portland to Missoula?

Yes, there are nonstop flights Portland — Missoula — around 28 flights per week.

Which airlines fly from Portland to Missoula?

Airlines operating Portland — Missoula include Alaska Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Portland — Missoula flights use?

Flights from Portland depart from Portland International Airport, and arrive at Missoula International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Portland to Missoula?

The price of a Portland — Missoula ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in August. Tickets typically cost between $135 and $230. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Portland — Missoula?

Flights Portland — Missoula are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Portland to Missoula?

To catch a low fare Portland — Missoula, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Portland

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SeattleLos AngelesSan FranciscoDenverSalt Lake CityChicagoSan JoseNew York CitySan DiegoPhoenixAnchorageLas VegasBoiseVancouverMinneapolisSanta AnaSpokaneSacramentoRedmondHonoluluSanta RosaMedfordDallasAtlantaFresnoOaklandEugeneBurbankBostonRenoWashington, D.C.PascoHoustonAustinPhiladelphiaFairbanksBozemanCharlottePalm SpringsIdaho Falls

Where else you can fly from Missoula

See all
SeattleChicagoDallasSalt Lake CityDenverMinneapolisLos AngelesSan FranciscoSan DiegoTri-CitiesBillingsIdaho FallsYakimaVictoriaEdmontonKelownaBellinghamCalgaryProvoRenoVancouverManhattanReginaTwin Falls

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