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Missoula

$215+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — MSO
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Austin Bergstrom to Missoula Johnson-Bell Field are usually found in August or January, booked 23 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap 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 September 17, 2025.

Round-trip from

$264
(Frontier)

One-way from

$215
(Hawaiian Airlines)

Popular in

December

Cheapest in

August

Average price

$424
From Austin Bergstrom to Missoula Johnson-Bell Field
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One-way flight from Austin Bergstrom to Missoula Johnson-Bell Field
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Highest demand for flights based on searches. 12% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1210:11 amAUS - MSO
1 stop26h 44mFrontier
Mon 10/2012:50 pmMSO - AUS
1 stop10h 43mFrontier
Deal found 9/15$264
This Hawaiian Airlines deal was found by Cheapflights users on 9/14. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:46 pmAUS - MSO
1 stop7h 27mHawaiian Airlines
Tue 11/116:32 amMSO - AUS
1 stop7h 42mHawaiian Airlines
Deal found 9/14$302
This Delta deal was found by Cheapflights users on 9/16. 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 11/72:30 pmAUS - MSO
2 stops10h 47mDelta
Tue 11/115:25 amMSO - AUS
2 stops11h 30mDelta
Deal found 9/16$307
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:54 pmAUS - MSO
1 stop7h 12mAmerican Airlines
Tue 11/117:01 amMSO - AUS
1 stop6h 40mAmerican Airlines
Deal found 9/16$341
This Delta deal was found by Cheapflights users on 9/15. 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 10/174:15 pmAUS - MSO
2 stops9h 02mDelta
Fri 10/246:20 pmMSO - AUS
1 stop5h 03mDelta
Deal found 9/15$346
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 11/75:46 pmAUS - MSO
1 stop7h 27mAlaska Airlines
Tue 11/116:32 amMSO - AUS
2 stops9h 14mAlaska Airlines
Deal found 9/16$348
This Delta deal was found by Cheapflights users on 9/15. 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 11/152:50 pmAUS - MSO
1 stop7h 34mDelta
Sun 11/235:25 amMSO - AUS
1 stop6h 39mDelta
Deal found 9/15$381
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 10/27:15 amAUS - MSO
1 stop9h 03mAlaska Airlines
Mon 10/64:12 pmMSO - AUS
1 stop6h 44mAlaska Airlines
Deal found 9/17$430

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 September 17, 2025.
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

Sun 10/12

10:11 am-11:55 am

1 stop26h 44m

Missoula Johnson-Bell Field

Mon 10/20

12:50 pm-12:33 am

1 stop10h 43m

$264

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 10/17

5:43 pm-11:59 pm

1 stop7h 16m

Missoula Johnson-Bell Field

Fri 10/24

4:12 pm-11:56 pm

1 stop6h 44m

$302

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 11/7

7:15 pm-12:17 am

1 stop6h 02m

Missoula Johnson-Bell Field

Tue 11/11

1:13 pm-11:57 pm

2 stops9h 44m

$302

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 11/7

5:46 pm-12:13 am

1 stop7h 27m

Missoula Johnson-Bell Field

Tue 11/11

6:32 am-3:14 pm

1 stop7h 42m

$302

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 11/7

1:54 pm-8:06 pm

1 stop7h 12m

Missoula Johnson-Bell Field

Tue 11/11

7:01 am-2:41 pm

1 stop6h 40m

$341

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 11/7

5:46 pm-12:13 am

1 stop7h 27m

Missoula Johnson-Bell Field

Tue 11/11

6:32 am-4:46 pm

2 stops9h 14m

$348

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Sat 11/15

2:50 pm-9:24 pm

1 stop7h 34m

Missoula Johnson-Bell Field

Sun 11/23

5:25 am-1:04 pm

1 stop6h 39m

$381

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Mon 9/29

7:15 am-3:18 pm

1 stop9h 03m

$215

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Tue 9/30

5:50 pm-11:59 pm

1 stop7h 09m

$215

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Mon 9/29

4:00 pm-12:18 am

2 stops9h 18m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 11 results
1
2

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 September 12, 2025.

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, October is the cheapest month in which you can book a flight from Austin to Missoula (average of $365). Flying from Austin to Missoula in March is currently the most expensive (average of $505). 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.

What is the cheapest time of day to fly from AUS to MSO?

Find hourly flight availability from Austin to Missoula. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

One of the essential ways to save on airfare from Austin to Missoula is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 7% on airfare.

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 September 17, 2025.
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
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 6h 02m. Frontier provides one of the quickest options available for as low as $302. 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 $164 on this airline. Additional options worth looking into are Alaska Airlines and United Airlines, starting at $262 and $300 round-trip. Delta is currently priced 64% 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, October is the cheapest month in which you can book a flight from Austin to Missoula (average of $365). Flying from Austin to Missoula in March is currently the most expensive (average of $505). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$164Average$375FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$262Average$366FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$300Average$475FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$318Average$449FlexibilityNo cancel feeOn-time71%

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