Cheap flights from Missouri to Oregon from $125

The month of February is, on average, the cheapest month to fly to Oregon from Missouri, with most prices found around $260. The month of January is another great option to travel to Oregon, with average flight prices from Missouri averaging around $288.

On average, the least expensive day to fly to Oregon from Missouri is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $394. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oregon is Friday, with ticket prices averaging around $507.

According to our data, the cheapest time of day to fly to Oregon is in the morning. momondo users have found flights departing from Missouri to Oregon in the morning for as low as $279. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Oregon are more costly in the afternoon, with an average ticket price of $446. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Lambert-St Louis to Portland for the best Missouri - Oregon flight prices

You are more likely to see cheaper flights to Oregon from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Oregon for around $376 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oregon from Missouri for as low as $283 on momondo.

There are 4 cabin classes available to choose from on Missouri to Oregon flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, Delta, and United Airlines are the most popular carriers operating from Missouri to Oregon

Alaska Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Oregon from Missouri according to our data. Alaska Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Oregon. Keep in mind that there are 7 different airlines that fly to Oregon on a routine basis, so you have a few additional options to choose from.

As of September 2026, there are 1 flights per day flying from Missouri to Oregon. The most common time of day flights depart is 6:00AM, with 57% of flights taking off in the afternoon.

As of September 2026, there are 13 flights per week flying from Missouri to Oregon. The most common day of the week flights depart is Tue, with 31% of flights taking off on this day.