$169 Cheap American Airlines flights Missoula (MSO) to San Antonio (SAT)

Use the “Price (lowest to highest)” filter on Expedia to search for cheap American Airlines round-trip flights from $395 from MSO to SAT. Affordable one-way tickets from $169 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.

January is one of the most affordable months to fly to San Antonio with American Airlines. You could also find great prices on return and one-way fares in September.

Begin your search one to three months ahead of your travel date to get cheap fares on American Airlines flights from Missoula Intl. Airport (MSO) to San Antonio Intl. Airport (SAT). 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 cut 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 your timing right, and you can enjoy significant savings on domestic flights.*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.

To see if there’s a direct journey from MSO to SAT with American Airlines or another airline, check the “Nonstop” filter when searching for tickets.

Browse American Airlines’s earliest flights from MSO to SAT by using the “Morning” and “Early Morning” filters. Not only will you get to where you’re going sooner, early departures also have a 20% less chance of being canceled.**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.

Board an American Airlines flight from Missoula Intl. Airport (MSO) to San Antonio, and you’ll probably touch down at San Antonio Intl. Airport (SAT). This is the airline’s primary hub in this destination.

It’s generally possible to cancel or modify your flight, although there may be additional fees if you booked over 24 hours ago. Want to keep your options open? Make use of our “No cancel fee” and “Changes included” filters to find flights that won’t penalize you if you have to alter your plans. To make changes, visit “Trips,” select your flight and click on “Manage Booking” for more details.