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Cheap flights from Austin to Missoula from $175

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Missoula departing on 7/9. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Austin to Missoula

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:45 pm - 9:34 pm
AUS
-
MSO
7h 49m
1 stop
United Airlines Logo
6:15 am - 1:20 pm
MSO
-
AUS
6h 05m
1 stop
$344United Airlines
Wed, Jun 10 - Wed, Jun 17
Alaska Airlines Logo
5:49 pm - 1:25 pm
AUS
-
MSO
20h 36m
1 stop
Alaska Airlines Logo
7:00 am - 3:21 pm
MSO
-
AUS
7h 21m
1 stop
$349Alaska Airlines
Sat, Sep 5 - Sat, Sep 12
Delta Logo
1:40 pm - 11:47 pm
AUS
-
MSO
11h 07m
2 stops
Delta Logo
5:45 am - 1:02 pm
MSO
-
AUS
6h 17m
1 stop
$354Delta
Sat, Sep 5 - Sat, Sep 12
Delta Logo
1:05 pm - 11:47 pm
AUS
-
MSO
11h 42m
2 stops
Delta Logo
5:40 am - 3:43 pm
MSO
-
AUS
9h 03m
2 stops
$359Delta
Sat, Sep 5 - Sat, Sep 12
Delta Logo
7:25 pm - 12:28 am
AUS
-
MSO
6h 03m
1 stop
Delta Logo
5:35 am - 11:25 am
MSO
-
AUS
4h 50m
1 stop
$374Delta
Mon, Jul 20 - Wed, Jul 22
Alaska Airlines Logo
7:15 am - 1:23 pm
AUS
-
MSO
7h 08m
1 stop
Alaska Airlines Logo
12:56 pm - 11:39 pm
MSO
-
AUS
9h 43m
1 stop
$376Alaska Airlines
Mon, Jun 1 - Fri, Jun 5
Delta Logo
4:15 pm - 12:28 am
AUS
-
MSO
9h 13m
2 stops
Delta Logo
5:35 am - 11:25 am
MSO
-
AUS
4h 50m
1 stop
$379Delta
Mon, Jul 20 - Wed, Jul 22
Alaska Airlines Logo
7:59 pm - 12:11 pm
AUS
-
MSO
17h 12m
1 stop
Alaska Airlines Logo
5:41 pm - 4:38 pm
MSO
-
AUS
21h 57m
1 stop
$384Alaska Airlines
Mon, Jul 27 - Mon, Aug 3
Alaska Airlines Logo
6:00 am - 12:11 pm
AUS
-
MSO
7h 11m
1 stop
Alaska Airlines Logo
11:22 am - 12:31 am
MSO
-
AUS
12h 09m
1 stop
$388Alaska Airlines
Thu, Jul 30 - Sat, Aug 8
Delta Logo
7:25 am - 5:45 pm
AUS
-
MSO
11h 20m
2 stops
Delta Logo
5:35 am - 3:20 pm
MSO
-
AUS
8h 45m
2 stops
$394Delta
Wed, Jul 22 - Wed, Jul 29

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Alaska Airlines flights from Austin to Missoula

Our best Alaska Airlines deals on Austin to Missoula flight tickets
Alaska Airlines
Sep 5
AUS5:49 pmAustin Bergstrom
20h 36m
1 stop
MSO1:25 pmMissoula Johnson-Bell Field
Sep 12
MSO7:00 amMissoula Johnson-Bell Field
7h 21m
1 stop
AUS3:21 pmAustin Bergstrom
$349
Alaska Airlines
Jun 1
AUS7:15 amAustin Bergstrom
7h 08m
1 stop
MSO1:23 pmMissoula Johnson-Bell Field
Jun 5
MSO12:56 pmMissoula Johnson-Bell Field
9h 43m
1 stop
AUS11:39 pmAustin Bergstrom
$376
Alaska Airlines
Jul 27
AUS7:59 pmAustin Bergstrom
17h 12m
1 stop
MSO12:11 pmMissoula Johnson-Bell Field
Aug 3
MSO5:41 pmMissoula Johnson-Bell Field
21h 57m
1 stop
AUS4:38 pmAustin Bergstrom
$384

Delta flights from Austin to Missoula

Our best Delta deals on Austin to Missoula flight tickets
Delta
Sep 5
AUS1:40 pmAustin Bergstrom
11h 07m
2 stops
MSO11:47 pmMissoula Johnson-Bell Field
Sep 12
MSO5:45 amMissoula Johnson-Bell Field
6h 17m
1 stop
AUS1:02 pmAustin Bergstrom
$354
Delta
Sep 5
AUS1:05 pmAustin Bergstrom
11h 42m
2 stops
MSO11:47 pmMissoula Johnson-Bell Field
Sep 12
MSO5:40 amMissoula Johnson-Bell Field
9h 03m
2 stops
AUS3:43 pmAustin Bergstrom
$359
Delta
Jul 20
AUS7:25 pmAustin Bergstrom
6h 03m
1 stop
MSO12:28 amMissoula Johnson-Bell Field
Jul 22
MSO5:35 amMissoula Johnson-Bell Field
4h 50m
1 stop
AUS11:25 amAustin Bergstrom
$374

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 May 5, 2026.
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

Cheapest round-trip

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Wed 6/10

2:45 pm-9:34 pm

1 stop7h 49m

Missoula Johnson-Bell Field

Wed 6/17

6:15 am-1:20 pm

1 stop6h 05m

$344

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Sat 9/5

5:49 pm-1:25 pm

1 stop20h 36m

Missoula Johnson-Bell Field

Sat 9/12

7:00 am-3:21 pm

1 stop7h 21m

$349

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Sat 9/5

1:40 pm-11:47 pm

2 stops11h 07m

Missoula Johnson-Bell Field

Sat 9/12

5:45 am-1:02 pm

1 stop6h 17m

$354

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Sat 9/5

1:05 pm-11:47 pm

2 stops11h 42m

Missoula Johnson-Bell Field

Sat 9/12

5:40 am-3:43 pm

2 stops9h 03m

$359
Quickest round-trip

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Mon 7/20

7:25 pm-12:28 am

1 stop6h 03m

Missoula Johnson-Bell Field

Wed 7/22

5:35 am-11:25 am

1 stop4h 50m

$374

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Mon 6/1

7:15 am-1:23 pm

1 stop7h 08m

Missoula Johnson-Bell Field

Fri 6/5

12:56 pm-11:39 pm

1 stop9h 43m

$376

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Mon 7/20

4:15 pm-12:28 am

2 stops9h 13m

Missoula Johnson-Bell Field

Wed 7/22

5:35 am-11:25 am

1 stop4h 50m

$379

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Mon 7/27

7:59 pm-12:11 pm

1 stop17h 12m

Missoula Johnson-Bell Field

Mon 8/3

5:41 pm-4:38 pm

1 stop21h 57m

$384

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Thu 7/30

6:00 am-12:11 pm

1 stop7h 11m

Missoula Johnson-Bell Field

Sat 8/8

11:22 am-12:31 am

1 stop12h 09m

$388

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Wed 7/22

7:25 am-5:45 pm

2 stops11h 20m

Missoula Johnson-Bell Field

Wed 7/29

5:35 am-3:20 pm

2 stops8h 45m

$394

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 month to fly to Missoula?

The month of August is, on average, the cheapest month to fly to Missoula from Austin, with most prices found around $353. If you are unable to visit Missoula during the month of August, then departing from Austin during the month September is also very affordable. Most momondo users find prices during this month for around $378.

How have Austin to Missoula flight prices changed over time?

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

6h 03m

Direct flights

None
The fastest flight from Austin to Missoula takes 6h 03m
There are no direct flights from Austin to Missoula. There are no popular flight routes from Austin to Missoula.
Search flight deals

Frequently asked questions about flying from Austin to Missoula

  • 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 6h 03m.

  • 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 $149Free CancellationRating
7.9
8,460 reviews
Search Delta flights
United AirlinesPriceFrom $262Free CancellationRating
7.4
9,683 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $262Free CancellationRating
7.9
12,330 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $318Free CancellationRating
7.1
11,669 reviews
Search American 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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