Cheap flights from Seattle to Wisconsin from $143

If you aren’t able to travel during the month of January, then book flights to Wisconsin from Seattle during February instead. Flights to Wisconsin in February, while not as cheap as those in January, still average around $323.

The cheapest day to depart from Seattle to Wisconsin is on a Thursday. Travelers who choose to depart for Wisconsin on a Thursday will often find tickets for as low as $407. The most expensive day to fly to Wisconsin is Saturday, with ticket prices averaging around $517.

Our most recent data shows that the best time of day to fly to Wisconsin is in the morning. Flights from Seattle to Wisconsin during this time can be as low as $431. Flights in the afternoon are often more expensive with an average ticket price of $487.

Fly from Seattle/Tacoma Intl to Milwaukee-Mitchell for the best Seattle/Tacoma Intl - Wisconsin flight prices

You are more likely to see cheaper flights to Wisconsin from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Wisconsin for around $400 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Wisconsin from Seattle for as low as $323 on momondo.

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

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

Alaska Airlines, American Airlines and Delta are the top three most popular airlines that fly to Wisconsin from Seattle according to our data. Alaska Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Wisconsin. Keep in mind that there are 5 different airlines that fly to Wisconsin on a routine basis, so you have a few additional options to choose from.

As of September 2026, 59 flights take off from Seattle and land in Wisconsin each day. The most common flight departure time for this route is 8:00AM, with 100% of daily flights taking off at noon.

As of September 2026, there are 418 flights per week flying from Seattle to Wisconsin. The most common day of the week flights depart is Fri, with 20% of flights taking off on this day.