Cheap Southwest Airlines flights Milwaukee (MKE) to Missoula (MSO)

Use the “Price (lowest to highest)” filter on Expedia to find cheap Southwest Airlines return flights from MKE to MSO. Affordable one-way options are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines flights to Missoula are usually cheaper in the quieter months of January and February. Whether you’re searching for a one-way or round-trip ticket, you could land a better deal then.

Look for cheap Southwest Airlines flights from General Mitchell Intl. Airport (MKE) to Missoula Intl. Airport (MSO) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and itinerary, the best day to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Use our “Nonstop” filter when looking for direct Southwest Airlines flights from MKE to MSO. It’s also a great way to compare other carriers servicing the same nonstop route.

To find the earliest departure from MKE to MSO with Southwest Airlines, sort your results by “Morning” and “Early Morning.” Choosing an early flight usually means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Missoula Intl. Airport (MSO) is the primary Missoula hub for Southwest Airlines flights from General Mitchell Intl. Airport (MKE).

Depending on the type of ticket you purchased, a fee may apply if you cancel or change your booking more than 24 hours after confirmation. To find tickets with more flexibility, select our “No cancel fee” or “Changes included” filter while looking for flights. For more information on changing or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”