Cheap flights from Seattle to Missouri from $114

In general, January is the cheapest month to fly from Seattle to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $278. If you aren’t able to travel to Missouri during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $378.

The cheapest day to depart from Seattle to Missouri is on a Tuesday when prices can be found for as low as $397. Flights from Seattle to Missouri on a Sunday will generally be more expensive and average around $627. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Missouri is in the afternoon. momondo users have found flights departing from Seattle to Missouri in the afternoon for as low as $467. 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 Missouri are more costly at noon, with an average ticket price of $532. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Seattle/Tacoma Intl to Kansas City for the best Seattle/Tacoma Intl - Missouri flight prices

You are more likely to see cheaper flights to Missouri from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $433 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Seattle for as low as $243 on momondo.

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

Delta, Southwest, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Missouri

Alaska Airlines, American Airlines and Delta are the top three most popular airlines that fly to Missouri from Seattle according to our data. Alaska Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 6 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

As of October 2026, 6 flights take off from Seattle and land in Missouri each day. The most common flight departure time for this route is 6:00PM, with 58% of daily flights taking off in the evening.

As of October 2026, there are 42 flights per week flying from Seattle to Missouri. The most common day of the week flights depart is Thu, with 48% of flights taking off on this day.