Cheap flights from Oregon to Missoula from $144

The month of August is, on average, the cheapest month to fly to Missoula from Oregon, with most prices found around $228. If you are unable to visit Missoula during the month of August, then departing from Oregon during the month September is also very affordable. Most momondo users find prices during this month for around $237.

On average, the least expensive day to fly to Missoula from Oregon is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $268. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Oregon because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $428.

The cheapest time of day to fly to Missoula is in the evening when flights can be purchased for as low as $268. Flights at noon are often more expensive with an average ticket price of $573.

Fly from Portland to Missoula Johnson-Bell Field for the best Oregon - Missoula Johnson-Bell Field flight prices

You are more likely to see cheaper flights to Missoula from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Missoula for around $327 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missoula from Oregon for as low as $205 on momondo.

There are 2 cabin classes available to choose from on Oregon to Missoula Johnson-Bell Field flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Oregon to Missoula Johnson-Bell Field

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Missoula from Oregon according to our data. Alaska Airlines is the first choice among our users, with 79% of people opting to fly with this airline when traveling to Missoula. Keep in mind that there are 4 different airlines that fly to Missoula on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 2 flights per day flying from Oregon to Missoula. The most common time of day flights depart is 10:00AM, with 100% of flights taking off at noon.

As of March 2026, 14 flights take off from Oregon and land in Missoula each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.