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Missoula

$145+ Cheap flights from Austin to Missoula (AUS - MSO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — MSO
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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Cheap flight deals from Austin to Missoula

Cheapest flights from Austin to Missoula
Explore the most affordable flight options available from Austin to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2026.

This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/111:59 pm
AUS
-
MSO
2 stops11h 29m
Delta
Wed 2/186:10 pm
MSO
-
AUS
1 stop5h 29m
Delta
Deal found 1/21$262
This Delta deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:00 pm
AUS
-
MSO
1 stop6h 47m
Delta
Fri 7/175:40 am
MSO
-
AUS
1 stop5h 09m
Delta
Deal found 1/22$289
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:20 am
AUS
-
MSO
2 stops11h 03m
Delta
Mon 6/15:40 am
MSO
-
AUS
1 stop4h 54m
Delta
Deal found 1/21$294
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:32 pm
AUS
-
MSO
1 stop6h 53m
United Airlines
Mon 6/17:15 am
MSO
-
AUS
1 stop7h 26m
United Airlines
Deal found 1/21$302
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:00 am
AUS
-
MSO
2 stops13h 07m
Delta
Mon 6/15:40 am
MSO
-
AUS
1 stop4h 54m
Delta
Deal found 1/21$319
This Alaska Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:30 am
AUS
-
MSO
1 stop7h 53m
Alaska Airlines
Mon 8/106:35 am
MSO
-
AUS
1 stop6h 43m
Alaska Airlines
Deal found 1/21$329
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:45 pm
AUS
-
MSO
1 stop5h 45m
United Airlines
Sun 5/246:15 am
MSO
-
AUS
1 stop5h 57m
United Airlines
Deal found 1/21$334
This Alaska Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/412:30 pm
AUS
-
MSO
1 stop12h 25m
Alaska Airlines
Sun 2/82:03 pm
MSO
-
AUS
1 stop8h 56m
Alaska Airlines
Deal found 1/20$339
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:20 am
AUS
-
MSO
2 stops11h 18m
Delta
Sat 2/71:25 pm
MSO
-
AUS
1 stop7h 07m
Delta
Deal found 1/21$344
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/145:30 am
AUS
-
MSO
2 stops11h 39m
United Airlines
Wed 2/185:08 pm
MSO
-
AUS
1 stop5h 51m
United Airlines
Deal found 1/20$354
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:30 pm
AUS
-
MSO
2 stops8h 54m
Delta
Sun 5/245:40 am
MSO
-
AUS
2 stops9h 03m
Delta
Deal found 1/21$355
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:20 am
AUS
-
MSO
1 stop6h 56m
Delta
Sun 4/51:07 pm
MSO
-
AUS
1 stop7h 14m
Delta
Deal found 1/21$358

Find flight deals from Austin to Missoula

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Missoula (MSO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$262
(Delta)

One-way from

$145
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$438
Provider with most accurate pricing for Austin Bergstrom-Missoula Johnson-Bell Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Missoula Johnson-Bell Field flights.
Search Deals
From Austin Bergstrom to Missoula Johnson-Bell Field
Search Deals
One-way flight from Austin Bergstrom to Missoula Johnson-Bell Field
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Missoula that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 22, 2026.
Use the filters below to find and compare flights from Austin to Missoula that are best for you.

Fly from

Austin

Fly to

Missoula

Route

Depart

Return

Price

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 7/10

4:32 pm-10:25 pm

1 stop6h 53m

Missoula Johnson-Bell Field

Fri 7/17

5:32 pm-11:38 pm

1 stop5h 06m

$289

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Sat 5/30

6:55 pm-11:14 pm

1 stop5h 19m

Missoula Johnson-Bell Field

Mon 6/1

5:40 am-11:34 am

1 stop4h 54m

$289

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Wed 2/11

7:15 am-3:31 pm

1 stop9h 16m

Missoula Johnson-Bell Field

Wed 2/18

6:23 am-2:35 pm

1 stop7h 12m

$289

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Sat 2/14

4:52 pm-9:57 pm

1 stop6h 05m

Missoula Johnson-Bell Field

Wed 2/18

5:08 pm-11:59 pm

1 stop5h 51m

$289

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Sat 7/11

6:00 pm-11:47 pm

1 stop6h 47m

Missoula Johnson-Bell Field

Fri 7/17

5:40 am-11:49 am

1 stop5h 09m

$289

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Sat 7/11

4:32 pm-10:25 pm

1 stop6h 53m

Missoula Johnson-Bell Field

Fri 7/17

5:32 pm-11:38 pm

1 stop5h 06m

$289

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 7/10

4:32 pm-10:25 pm

1 stop6h 53m

$145

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 7/10

4:30 pm-12:24 am

2 stops8h 54m

$205

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Thu 2/5

8:50 am-1:35 pm

1 stop5h 45m

$210

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Thu 6/11

7:25 pm-12:24 am

1 stop5h 59m

$230

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 13 results
1
2

Compare providers for flights from Austin to Missoula

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Missoula in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Missoula flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Missoula flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Missoula flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Austin to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula from Austin with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Austin to Missoula

How far ahead should I book a flight from Austin to Missoula?

Use this chart to determine the optimal time to book a round-trip flight from Austin to Missoula. Price data was last updated on January 16, 2026.

The best time to book flights from Austin to Missoula is 23 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Austin to Missoula?

Currently, August is the cheapest month in which you can book a flight from Austin to Missoula (average of $149). Flying from Austin to Missoula in March is currently the most expensive (average of $429). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Missoula

Get insights into the airlines that provide service to Missoula. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missoula. Reviews last updated January 22, 2026.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Austin to Missoula. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,775 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,775 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,088 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,192 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,177 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Austin to Missoula. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Austin to Missoula?

    A quick flight from Austin to Missoula can take about 5h 19m. United Airlines provides one of the quickest options available for as low as $289. Airlines will cover a distance of 1449 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Austin to Missoula round-trip?

    Our cheapest airline available from Austin to Missoula is Delta. Our recent data shows that you can find tickets from as low as $149 on this airline. Additional options worth looking into are United Airlines and Alaska Airlines, starting at $240 and $262 round-trip. Delta is currently priced 66% below the average price you’ll pay for this route.

  • Can I find deals for flights from Austin to Missoula that include hotel bookings?

    Yes. In addition to deals on Austin to Missoula flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Missoula?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Missoula.

  • Can I find deals for business class flights from Austin to Missoula?

    Yes. Cheapflights offers flight deals from Austin to Missoula by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Austin to Missoula?

    Currently, August is the cheapest month in which you can book a flight from Austin to Missoula (average of $149). Flying from Austin to Missoula in March is currently the most expensive (average of $429). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Austin to Missoula

Discover the top 4 airlines that operate flights from Austin to Missoula. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$149Average$353FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$240Average$473FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$262Average$399FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$318Average$428FlexibilityNo cancel feeOn-time71%

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