$116 Cheap United flights Missoula (MSO) to Austin (AUS)

You can find affordable round-trip United Airlines flights from $231 from MSO to AUS by organizing your results from “Price (lowest to highest)” on Expedia. Or look for deals from $116 for a one-way journey.**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.

January is one of the least expensive months to get away to Austin with United Airlines. You could also find great deals on one-way and round-trip fares in December.

Begin your search one to three months ahead of your departure date to get cheap fares on United Airlines flights from Missoula Intl. Airport (MSO) to Austin-Bergstrom Intl. Airport (AUS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic journeys.*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.

Fill in your dates, press search and tick the “Nonstop” filter on Expedia to find any direct flights from MSO to AUS with United Airlines or other airlines.

To find the earliest departure from MSO to AUS with United Airlines, sort your results by “Morning” and “Early Morning.” Choosing an early flight usually means you’ll experience fewer 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.

United Airlines flights from Missoula Intl. Airport (MSO) to Austin come in to Austin-Bergstrom Intl. Airport (AUS). This is the main entry point here.

A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to fly from MSO to AUS with United Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* alongside United Airlines’s loyalty program earnings. It’s yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s usually possible to change or cancel your flight, although there may be additional fees if you made your booking more than 24 hours ago. Want to keep your options open? Apply the “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you have to revise your plans. To update your booking, head to “Trips,” select your flight and click on “Manage Booking” for further information.