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Cheap flights from Austin to Missoula from $181

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 11/21. 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.
Multiple Airlines Logo
10:46 pm - 10:03 amAUS-MSO
12h 17m1 stop
Multiple Airlines Logo
10:53 am - 12:14 amMSO-AUS
36h 21m2 stops
$209Multiple Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
Multiple Airlines Logo
7:02 pm - 10:03 amAUS-MSO
16h 01m1 stop
Multiple Airlines Logo
10:53 am - 12:14 amMSO-AUS
36h 21m2 stops
$236Multiple Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
Multiple Airlines Logo
7:14 pm - 9:35 pmAUS-MSO
27h 21m1 stop
Multiple Airlines Logo
6:46 pm - 8:42 pmMSO-AUS
24h 56m2 stops
$267Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Alaska Airlines Logo
7:26 pm - 12:32 pmAUS-MSO
18h 06m1 stop
Alaska Airlines Logo
12:29 pm - 5:00 amMSO-AUS
15h 31m1 stop
$348Alaska Airlines
Find Deal
Mon, Dec 15 - Fri, Dec 26
American Airlines Logo
2:15 pm - 8:45 pmAUS-MSO
7h 30m1 stop
American Airlines Logo
7:00 am - 4:09 pmMSO-AUS
8h 09m1 stop
$349American Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
Alaska Airlines Logo
1:33 pm - 12:32 pmAUS-MSO
23h 59m1 stop
Alaska Airlines Logo
12:29 pm - 5:00 amMSO-AUS
15h 31m1 stop
$352Alaska Airlines
Find Deal
Mon, Dec 15 - Fri, Dec 26
Delta Logo
6:45 am - 8:11 pmAUS-MSO
14h 26m2 stops
Delta Logo
5:40 am - 1:14 pmMSO-AUS
6h 34m1 stop
$354Delta
Find Deal
Sat, Apr 25 - Wed, Apr 29
Alaska Airlines Logo
5:46 pm - 12:09 amAUS-MSO
7h 23m1 stop
Alaska Airlines Logo
6:00 am - 3:15 pmMSO-AUS
8h 15m1 stop
$359Alaska Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 1
Delta Logo
6:45 am - 8:11 pmAUS-MSO
14h 26m2 stops
Delta Logo
5:40 am - 9:02 pmMSO-AUS
14h 22m2 stops
$424Delta
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Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
8:40 am - 1:33 pmAUS-MSO
5h 53m1 stop
United Airlines Logo
2:35 pm - 10:59 pmMSO-AUS
7h 24m2 stops
$435United Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 5

Delta flights from Austin to Missoula

Our best Delta deals on Austin to Missoula flight tickets
Delta
Apr 25
AUS6:45 amAustin Bergstrom
14h 26m
2 stops
MSO8:11 pmMissoula Johnson-Bell Field
Apr 29
MSO5:40 amMissoula Johnson-Bell Field
6h 34m
1 stop
AUS1:14 pmAustin Bergstrom
$354
Find similar
Delta
Apr 25
AUS6:45 amAustin Bergstrom
14h 26m
2 stops
MSO8:11 pmMissoula Johnson-Bell Field
Apr 29
MSO5:40 amMissoula Johnson-Bell Field
14h 22m
2 stops
AUS9:02 pmAustin Bergstrom
$424
Find similar
Delta
Nov 13
AUS4:31 pmAustin Bergstrom
8h 48m
2 stops
MSO12:19 amMissoula Johnson-Bell Field
Nov 17
MSO6:16 pmMissoula Johnson-Bell Field
14h 38m
2 stops
AUS9:54 amAustin Bergstrom
$461
Find similar

Alaska Airlines flights from Austin to Missoula

Our best Alaska Airlines deals on Austin to Missoula flight tickets
Alaska Airlines
Dec 15
AUS7:26 pmAustin Bergstrom
18h 06m
1 stop
MSO12:32 pmMissoula Johnson-Bell Field
Dec 26
MSO12:29 pmMissoula Johnson-Bell Field
15h 31m
1 stop
AUS5:00 amAustin Bergstrom
$348
Find similar
Alaska Airlines
Dec 15
AUS1:33 pmAustin Bergstrom
23h 59m
1 stop
MSO12:32 pmMissoula Johnson-Bell Field
Dec 26
MSO12:29 pmMissoula Johnson-Bell Field
15h 31m
1 stop
AUS5:00 amAustin Bergstrom
$352
Find similar
Alaska Airlines
Dec 25
AUS5:46 pmAustin Bergstrom
7h 23m
1 stop
MSO12:09 amMissoula Johnson-Bell Field
Jan 1
MSO6:00 amMissoula Johnson-Bell Field
8h 15m
1 stop
AUS3:15 pmAustin Bergstrom
$359
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 October 30, 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 1/15

10:46 pm-10:03 am

1 stop12h 17m

Missoula Johnson-Bell Field

Mon 1/19

10:53 am-12:14 am

2 stops36h 21m

$209

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Thu 1/15

7:02 pm-10:03 am

1 stop16h 01m

Missoula Johnson-Bell Field

Mon 1/19

10:53 am-12:14 am

2 stops36h 21m

$236

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Thu 11/13

7:14 pm-9:35 pm

1 stop27h 21m

Missoula Johnson-Bell Field

Mon 11/17

6:46 pm-8:42 pm

2 stops24h 56m

$267

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Mon 12/15

7:26 pm-12:32 pm

1 stop18h 06m

Missoula Johnson-Bell Field

Fri 12/26

12:29 pm-5:00 am

1 stop15h 31m

$348

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Thu 1/15

2:15 pm-8:45 pm

1 stop7h 30m

Missoula Johnson-Bell Field

Mon 1/19

7:00 am-4:09 pm

1 stop8h 09m

$349

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Mon 12/15

1:33 pm-12:32 pm

1 stop23h 59m

Missoula Johnson-Bell Field

Fri 12/26

12:29 pm-5:00 am

1 stop15h 31m

$352

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Sat 4/25

6:45 am-8:11 pm

2 stops14h 26m

Missoula Johnson-Bell Field

Wed 4/29

5:40 am-1:14 pm

1 stop6h 34m

$354

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Thu 12/25

5:46 pm-12:09 am

1 stop7h 23m

Missoula Johnson-Bell Field

Thu 1/1

6:00 am-3:15 pm

1 stop8h 15m

$359

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Sat 4/25

6:45 am-8:11 pm

2 stops14h 26m

Missoula Johnson-Bell Field

Wed 4/29

5:40 am-9:02 pm

2 stops14h 22m

$424

AustinMissoula

AUS - MSO

AUSMSO

Austin Bergstrom

Fri 11/28

8:40 am-1:33 pm

1 stop5h 53m

Missoula Johnson-Bell Field

Fri 12/5

2:35 pm-10:59 pm

2 stops7h 24m

$435

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 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 $459 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 October 2025, prices for Austin to Missoula flights are approximately 27% cheaper 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

Direct flights

None
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 53m.

  • 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 $162Free CancellationRating
7.9
7,998 reviews
Search Delta flights
Alaska AirlinesPriceFrom $262Free CancellationRating
8.0
11,217 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $296Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
United AirlinesPriceFrom $300Free CancellationRating
7.4
8,998 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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