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Cheap flights from Austin to Missoula from $255

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Missoula departing on 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
9:59 pm - 3:15 pm
AUS
-
MSO
18h 16m1 stop
Multiple Airlines Logo
10:26 am - 11:13 pm
MSO
-
AUS
35h 47m2 stops
$255Multiple Airlines
Thu, Feb 12 - Tue, Feb 17
Alaska Airlines Logo
5:45 pm - 12:59 pm
AUS
-
MSO
20h 14m1 stop
Alaska Airlines Logo
6:23 am - 2:35 pm
MSO
-
AUS
7h 12m1 stop
$272Alaska Airlines
Fri, Feb 13 - Wed, Feb 18
Alaska Airlines Logo
3:35 pm - 11:59 pm
AUS
-
MSO
9h 24m1 stop
Alaska Airlines Logo
6:23 am - 2:35 pm
MSO
-
AUS
7h 12m1 stop
$312Alaska Airlines
Fri, Feb 13 - Wed, Feb 18
Alaska Airlines Logo
3:35 pm - 11:59 pm
AUS
-
MSO
9h 24m1 stop
Alaska Airlines Logo
6:23 am - 2:35 pm
MSO
-
AUS
7h 12m1 stop
$319Alaska Airlines
Wed, Feb 18 - Mon, Feb 23
Alaska Airlines Logo
3:35 pm - 11:59 pm
AUS
-
MSO
9h 24m1 stop
Alaska Airlines Logo
6:23 am - 2:35 pm
MSO
-
AUS
7h 12m1 stop
$320Alaska Airlines
Wed, Feb 18 - Mon, Feb 23
Alaska Airlines Logo
7:15 am - 3:31 pm
AUS
-
MSO
9h 16m1 stop
Alaska Airlines Logo
4:20 pm - 11:59 pm
MSO
-
AUS
6h 39m1 stop
$323Alaska Airlines
Thu, Jan 8 - Mon, Jan 12
Alaska Airlines Logo
4:30 pm - 12:21 pm
AUS
-
MSO
20h 51m2 stops
Alaska Airlines Logo
6:23 am - 2:35 pm
MSO
-
AUS
7h 12m1 stop
$327Alaska Airlines
Wed, Feb 18 - Mon, Feb 23
Alaska Airlines Logo
7:00 pm - 11:59 pm
AUS
-
MSO
29h 59m1 stop
Alaska Airlines Logo
6:23 am - 11:59 pm
MSO
-
AUS
16h 36m1 stop
$342Alaska Airlines
Fri, Feb 13 - Tue, Feb 17
Alaska Airlines Logo
3:35 pm - 11:59 pm
AUS
-
MSO
9h 24m1 stop
Alaska Airlines Logo
6:23 am - 11:59 pm
MSO
-
AUS
16h 36m1 stop
$343Alaska Airlines
Thu, Feb 12 - Tue, Feb 17
United Airlines Logo
4:52 pm - 9:39 pm
AUS
-
MSO
5h 47m1 stop
United Airlines Logo
6:15 am - 1:00 pm
MSO
-
AUS
5h 45m1 stop
$344United Airlines
Fri, Apr 17 - Mon, Apr 20

United Airlines flights from Austin to Missoula

Our best United Airlines deals on Austin to Missoula flight tickets
United Airlines
Apr 17
AUS4:52 pmAustin Bergstrom
5h 47m
1 stop
MSO9:39 pmMissoula Johnson-Bell Field
Apr 20
MSO6:15 amMissoula Johnson-Bell Field
5h 45m
1 stop
AUS1:00 pmAustin Bergstrom
$344
Find similar
United Airlines
Jan 31
AUS5:30 amAustin Bergstrom
9h 05m
2 stops
MSO1:35 pmMissoula Johnson-Bell Field
Feb 4
MSO2:37 pmMissoula Johnson-Bell Field
7h 22m
2 stops
AUS10:59 pmAustin Bergstrom
$353
Find similar
United Airlines
Jan 8
AUS5:30 amAustin Bergstrom
9h 05m
2 stops
MSO1:35 pmMissoula Johnson-Bell Field
Jan 12
MSO2:37 pmMissoula Johnson-Bell Field
7h 22m
2 stops
AUS10:59 pmAustin Bergstrom
$373
Find similar

Alaska Airlines flights from Austin to Missoula

Our best Alaska Airlines deals on Austin to Missoula flight tickets
Alaska Airlines
Jan 31
AUS7:15 amAustin Bergstrom
9h 16m
1 stop
MSO3:31 pmMissoula Johnson-Bell Field
Feb 4
MSO6:23 amMissoula Johnson-Bell Field
8h 31m
1 stop
AUS3:54 pmAustin Bergstrom
$262
Find similar
Alaska Airlines
Feb 13
AUS5:45 pmAustin Bergstrom
20h 14m
1 stop
MSO12:59 pmMissoula Johnson-Bell Field
Feb 18
MSO6:23 amMissoula Johnson-Bell Field
7h 12m
1 stop
AUS2:35 pmAustin Bergstrom
$272
Find similar
Alaska Airlines
Jan 31
AUS7:15 amAustin Bergstrom
9h 16m
1 stop
MSO3:31 pmMissoula Johnson-Bell Field
Feb 4
MSO6:23 amMissoula Johnson-Bell Field
9h 16m
2 stops
AUS4:39 pmAustin Bergstrom
$308
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Austin to Missoula that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Thu 2/12

9:59 pm-3:15 pm

1 stop18h 16m

Missoula Johnson-Bell Field

Tue 2/17

10:26 am-11:13 pm

2 stops35h 47m

$255

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 2/13

5:45 pm-12:59 pm

1 stop20h 14m

Missoula Johnson-Bell Field

Wed 2/18

6:23 am-2:35 pm

1 stop7h 12m

$272

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 2/13

3:35 pm-11:59 pm

1 stop9h 24m

Missoula Johnson-Bell Field

Wed 2/18

6:23 am-2:35 pm

1 stop7h 12m

$312

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Wed 2/18

3:35 pm-11:59 pm

1 stop9h 24m

Missoula Johnson-Bell Field

Mon 2/23

6:23 am-2:35 pm

1 stop7h 12m

$319

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Wed 2/18

3:35 pm-11:59 pm

1 stop9h 24m

Missoula Johnson-Bell Field

Mon 2/23

6:23 am-2:35 pm

1 stop7h 12m

$320

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Thu 1/8

7:15 am-3:31 pm

1 stop9h 16m

Missoula Johnson-Bell Field

Mon 1/12

4:20 pm-11:59 pm

1 stop6h 39m

$323

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Wed 2/18

4:30 pm-12:21 pm

2 stops20h 51m

Missoula Johnson-Bell Field

Mon 2/23

6:23 am-2:35 pm

1 stop7h 12m

$327

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 2/13

7:00 pm-11:59 pm

1 stop29h 59m

Missoula Johnson-Bell Field

Tue 2/17

6:23 am-11:59 pm

1 stop16h 36m

$342

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Thu 2/12

3:35 pm-11:59 pm

1 stop9h 24m

Missoula Johnson-Bell Field

Tue 2/17

6:23 am-11:59 pm

1 stop16h 36m

$343

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 4/17

4:52 pm-9:39 pm

1 stop5h 47m

Missoula Johnson-Bell Field

Mon 4/20

6:15 am-1:00 pm

1 stop5h 45m

$344

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Missoula from

How to get the cheapest flight ticket from Austin to Missoula

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Austin and Missoula?

What is the cheapest day to depart on your flight to Missoula?

On average, the least expensive day to fly to Missoula from Austin is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $425. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Austin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $553.

What is the cheapest time of day to depart on your flight to Missoula?

The cheapest time of day to fly to Missoula is in the morning when flights can be purchased for as low as $478. Flights in the afternoon are often more expensive with an average ticket price of $512.

How far in advance should I book a flight to Missoula?

You are more likely to see cheaper flights to Missoula from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Missoula for around $487 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missoula from Austin for as low as $298 on momondo.

How have Austin to Missoula flight prices changed over time?

As of December 2025, prices for Austin to Missoula flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from Austin to Missoula

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to Missoula according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Austin to Missoula (AUS to MSO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Missoula

Fastest flight time

5h 47m

Direct flights

None
The fastest flight from Austin to Missoula takes 5h 47m
There are no direct flights from Austin to Missoula. There are no popular flight routes from Austin to Missoula.
Search flight deals

  • How far is Austin Bergstrom to Missoula Johnson-Bell Field by plane?

    The distance between Austin Bergstrom and Missoula Johnson-Bell Field is about 1436.6 mi. A reasonable flight in good conditions will take 5h 47m.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Missoula Johnson-Bell Field Airport?

    Prices for flights from Austin Bergstrom Airport to Missoula Johnson-Bell Field Airport were last updated today.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Missoula Johnson-Bell Field Airport?

  • How old do you have to be to fly from Austin Bergstrom Airport to Missoula Johnson-Bell Field Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Missoula Johnson-Bell Field Airport.

  • What documentation or ID do you need to fly to Missoula Johnson-Bell Field Airport?

    The necessary travel and health documents for your Missoula Johnson-Bell Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Austin to Missoula?

Best airlines flying from Austin to Missoula

Compare and see reviews for airlines that fly from Austin to Missoula with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $164Free CancellationRating
7.9
8,005 reviews
Search Delta flights
Alaska AirlinesPriceFrom $262Free CancellationRating
8.0
11,477 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $296Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Missoula?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Austin to Missoula. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Austin to Missoula with flexible booking policies on momondo?

Flights from Austin to Missoula with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Austin to Missoula?

Once all potential Austin to Missoula flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Austin to Missoula right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Austin to Missoula now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Missoula and let you know when they change.

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