Cheap Frontier Airlines flights from Austin to Missoula (AUS to MSO)

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MSO From AUS Economy Coach Packages on Similar Airlines

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Discover our best Frontier Airlines flight from Austin AUS to Missoula MSO 

To find the best deals on flights to Austin from Missoula with Frontier Airlines, just enter your travel dates, filter by Frontier Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Austin AUS to Missoula MSO with Frontier Airlines 

If you’re planning a round trip, booking return flights with Frontier Airlines is usually the most cost-effective option. With airfares ranging from to , it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Frontier Airlines flights from Austin AUS to Missoula MSO 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Frontier Airlines flight from Austin to Missoula costs from . Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Missoula MSO from  Austin AUS with Frontier Airlines 

To find a cheap Frontier Airlines flight from Austin AUS to Missoula MSO, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Frontier Airlines flights from Austin AUS to Missoula MSO 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as , or if you book a flight with a stopover. 

 

Find nonstop flights from Austin AUS to Missoula MSO with Frontier Airlines 

If you’re keen to be on Missoula soil fast, don’t waste time with a stopover—filter your search results to show direct Frontier Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Frontier Airlines flights from Austin AUS to Missoula MSO 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Missoula MSO from  Austin AUS with Frontier Airlines on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Frontier Airlines Airports
Hop on a(n) Frontier Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
DENUSADenver Intl.13
MCOUSAOrlando Intl.7
CUNMEXCancun Intl.6
GDLMEXDon Miguel Hidalgo y Costilla Intl.5
PHLUSAPhiladelphia Intl.2
ORDUSAO'Hare Intl.2
MIAUSAMiami Intl.1
MEXMEXMexico City Intl.1
LASUSAMcCarran Intl.1
LAXUSALos Angeles Intl.1

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3 out of 5
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This hotel features an indoor pool and a gym. Enjoy the hot tub and perks like free self parking and a free airport shuttle. A 24-hour business center, free ...
8.6/10 Excellent! (1,040 reviews)
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3 out of 5
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Free water park access and an indoor pool are featured at this smoke-free hotel. There's fun for all ages with a children's pool and a waterslide. Enjoy the ...
8.6/10 Excellent! (1,002 reviews)
We have stayed her many times . Good place to stay . Water slides are great , pool is fun. But the Hot tub is always way too hot.

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Best Western Plus Grant Creek Inn

Best Western Plus Grant Creek Inn

2.5 out of 5
5280 Grant Creek Rd Missoula MT
This hotel features an indoor pool and a gym. Traveling on business? Take advantage of the 24-hour business center and free WiFi in public areas. Enjoy the hot ...
9.4/10 Exceptional! (1,004 reviews)
The Best Western Grant Creek Inn is a very convenient location, with plenty of restaurants and stores nearby, plus easy access to and from the Interstate. Our rooms were nice, clean, and comfortable. Staff were friendly and helpful. We enjoyed our stay!

Reviewed on Mar 23, 2026

Best Western Plus Grant Creek Inn
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.