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Cheap flights from Austin to Missoula from $139

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 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Austin to Missoula

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:35 am - 2:40 pm
AUS
-
MSO
9h 05m
1 stop
Delta Logo
5:15 am - 2:50 pm
MSO
-
AUS
8h 35m
1 stop
$257Delta
Wed, May 13 - Sat, May 16
Delta Logo
6:35 am - 2:40 pm
AUS
-
MSO
9h 05m
1 stop
Delta Logo
5:37 am - 3:10 pm
MSO
-
AUS
8h 33m
2 stops
$262Delta
Wed, May 13 - Sat, May 16
United Airlines Logo
7:00 am - 1:35 pm
AUS
-
MSO
7h 35m
1 stop
United Airlines Logo
6:15 am - 1:04 pm
MSO
-
AUS
5h 49m
1 stop
$271United Airlines
Wed, May 13 - Sat, May 16
Delta Logo
7:25 pm - 12:24 am
AUS
-
MSO
5h 59m
1 stop
Delta Logo
5:40 am - 11:49 am
MSO
-
AUS
5h 09m
1 stop
$289Delta
Tue, Jun 23 - Thu, Jul 9
United Airlines Logo
3:00 pm - 9:26 pm
AUS
-
MSO
7h 26m
1 stop
United Airlines Logo
7:15 am - 11:12 pm
MSO
-
AUS
14h 57m
2 stops
$294United Airlines
Mon, Jun 8 - Mon, Jun 22
Delta Logo
7:25 pm - 12:24 am
AUS
-
MSO
5h 59m
1 stop
Delta Logo
5:40 am - 11:49 am
MSO
-
AUS
5h 09m
1 stop
$314Delta
Tue, Jun 23 - Tue, Jul 7
Delta Logo
4:07 pm - 12:22 am
AUS
-
MSO
9h 15m
2 stops
Delta Logo
5:37 am - 3:10 pm
MSO
-
AUS
8h 33m
2 stops
$324Delta
Wed, May 13 - Sat, May 16
Alaska Airlines Logo
7:15 am - 11:56 pm
AUS
-
MSO
17h 41m
2 stops
Alaska Airlines Logo
8:00 am - 6:04 pm
MSO
-
AUS
9h 04m
1 stop
$325Alaska Airlines
Wed, May 13 - Sat, May 16
Delta Logo
2:59 pm - 8:01 pm
AUS
-
MSO
6h 02m
1 stop
Delta Logo
1:16 pm - 9:34 pm
MSO
-
AUS
7h 18m
1 stop
$339Delta
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
7:00 am - 1:35 pm
AUS
-
MSO
7h 35m
1 stop
United Airlines Logo
2:37 pm - 11:15 pm
MSO
-
AUS
7h 38m
2 stops
$340United Airlines
Wed, May 13 - Sat, May 16

United Airlines flights from Austin to Missoula

Our best United Airlines deals on Austin to Missoula flight tickets
United Airlines
May 13
AUS7:00 amAustin Bergstrom
7h 35m
1 stop
MSO1:35 pmMissoula Johnson-Bell Field
May 16
MSO6:15 amMissoula Johnson-Bell Field
5h 49m
1 stop
AUS1:04 pmAustin Bergstrom
$271
United Airlines
May 13
AUS7:00 amAustin Bergstrom
7h 35m
1 stop
MSO1:35 pmMissoula Johnson-Bell Field
May 16
MSO6:15 amMissoula Johnson-Bell Field
5h 49m
1 stop
AUS1:04 pmAustin Bergstrom
$273
United Airlines
Jul 12
AUS5:41 amAustin Bergstrom
5h 12m
1 stop
MSO9:53 amMissoula Johnson-Bell Field
Jul 29
MSO6:15 amMissoula Johnson-Bell Field
5h 59m
1 stop
AUS1:14 pmAustin Bergstrom
$284

Alaska Airlines flights from Austin to Missoula

Our best Alaska Airlines deals on Austin to Missoula flight tickets
Alaska Airlines
May 13
AUS7:15 amAustin Bergstrom
17h 41m
2 stops
MSO11:56 pmMissoula Johnson-Bell Field
May 16
MSO8:00 amMissoula Johnson-Bell Field
9h 04m
1 stop
AUS6:04 pmAustin Bergstrom
$325
Alaska Airlines
Jun 24
AUS7:15 amAustin Bergstrom
7h 21m
1 stop
MSO1:36 pmMissoula Johnson-Bell Field
Jul 8
MSO6:35 amMissoula Johnson-Bell Field
6h 43m
1 stop
AUS2:18 pmAustin Bergstrom
$364

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 February 4, 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

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Wed 5/13

6:35 am-2:40 pm

1 stop9h 05m

Missoula Johnson-Bell Field

Sat 5/16

5:15 am-2:50 pm

1 stop8h 35m

$257

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Wed 5/13

6:35 am-2:40 pm

1 stop9h 05m

Missoula Johnson-Bell Field

Sat 5/16

5:37 am-3:10 pm

2 stops8h 33m

$262

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Wed 5/13

7:00 am-1:35 pm

1 stop7h 35m

Missoula Johnson-Bell Field

Sat 5/16

6:15 am-1:04 pm

1 stop5h 49m

$271

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Tue 6/23

7:25 pm-12:24 am

1 stop5h 59m

Missoula Johnson-Bell Field

Thu 7/9

5:40 am-11:49 am

1 stop5h 09m

$289

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Mon 6/8

3:00 pm-9:26 pm

1 stop7h 26m

Missoula Johnson-Bell Field

Mon 6/22

7:15 am-11:12 pm

2 stops14h 57m

$294

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Tue 6/23

7:25 pm-12:24 am

1 stop5h 59m

Missoula Johnson-Bell Field

Tue 7/7

5:40 am-11:49 am

1 stop5h 09m

$314

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Wed 5/13

4:07 pm-12:22 am

2 stops9h 15m

Missoula Johnson-Bell Field

Sat 5/16

5:37 am-3:10 pm

2 stops8h 33m

$324

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Wed 5/13

7:15 am-11:56 pm

2 stops17h 41m

Missoula Johnson-Bell Field

Sat 5/16

8:00 am-6:04 pm

1 stop9h 04m

$325

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Tue 2/17

2:59 pm-8:01 pm

1 stop6h 02m

Missoula Johnson-Bell Field

Sat 2/21

1:16 pm-9:34 pm

1 stop7h 18m

$339

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Wed 5/13

7:00 am-1:35 pm

1 stop7h 35m

Missoula Johnson-Bell Field

Sat 5/16

2:37 pm-11:15 pm

2 stops7h 38m

$340

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 cheapest month to fly to Missoula?

The month of September is, on average, the cheapest month to fly to Missoula from Austin, with most prices found around $378. If you are unable to visit Missoula during the month of September, then departing from Austin during the month July is also very affordable. Most momondo users find prices during this month for around $379.

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 $440 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?

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 12m

Direct flights

None
The fastest flight from Austin to Missoula takes 5h 12m
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 12m.

  • 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
8,146 reviews
Search Delta flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $262Free CancellationRating
8.0
11,839 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $318Free CancellationRating
7.2
11,222 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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