$422+ Cheap flights from Austin to Missoula (AUS - MSO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — MSO
Dec 9 — Dec 161
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Missoula with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Austin to Missoula
Cheapest
Best
Last-minute
Cheapest flights from Austin to MissoulaExplore 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 November 9, 2026.
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 November 9, 2026.
This Delta deal was found by Cheapflights users on 11/4. 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.
Tue 12/16:09 pm -
1 stop7h 28m
Sat 12/51:19 pm -
2 stops9h 35m
Deal found 11/4![Delta logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
Sat 12/58:30 am -
1 stop8h 30m
Wed 12/92:03 pm -
1 stop27h 03m
Deal found 11/4![Alaska Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:58 pm -
1 stop5h 49m
Sat 12/56:15 am -
1 stop5h 53m
Deal found 11/4![United Airlines logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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 12/37:09 pm -
1 stop18h 14m
Thu 12/101:03 pm -
1 stop9h 56m
Deal found 11/6![Alaska Airlines logo]()
$471
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:32 pm -
2 stops16h 51m
Sat 12/51:03 pm -
2 stops24h 37m
Deal found 11/4![Alaska Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 11/6. 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.
Thu 12/36:08 am -
2 stops12h 37m
Thu 12/105:25 am -
2 stops10h 46m
Deal found 11/6![Delta logo]()
$544
Best flights from Austin to MissoulaDiscover carefully curated flight deals from Austin to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
Discover carefully curated flight deals from Austin to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
This Delta deal was found by Cheapflights users on 11/6. 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.
Thu 12/36:09 pm -
1 stop7h 28m
Thu 12/101:19 pm -
2 stops9h 35m
Deal found 11/6![Delta logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 12/53:43 pm -
1 stop8h 36m
Wed 12/94:50 pm -
1 stop20h 50m
Deal found 11/5![Alaska Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:58 pm -
1 stop5h 49m
Sat 12/56:15 am -
1 stop5h 53m
Deal found 11/4![United Airlines logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 11/135:52 pm -
1 stop20h 30m
Mon 11/164:21 pm -
1 stop21h 10m
Deal found 11/4![Alaska Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:45 am -
2 stops9h 50m
Wed 12/92:41 pm -
2 stops7h 34m
Deal found 11/6![United Airlines logo]()
$630
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 12/188:30 am -
1 stop7h 39m
Sun 1/37:00 am -
1 stop6h 30m
Deal found 11/8![Alaska Airlines logo]()
$631
Last-minute flights from Austin to MissoulaDiscover last-minute flight deals from Austin to Missoula. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Missoula. Data last updated November 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/4. 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.
Tue 12/16:09 pm -
1 stop7h 28m
Sat 12/51:19 pm -
2 stops9h 35m
Deal found 11/4![Delta logo]()
$422
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:58 pm -
1 stop5h 49m
Sat 12/56:15 am -
1 stop5h 53m
Deal found 11/4![United Airlines logo]()
$470
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:32 pm -
2 stops16h 51m
Sat 12/51:03 pm -
2 stops24h 37m
Deal found 11/4![Alaska Airlines logo]()
$529
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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 12/37:09 pm -
1 stop18h 14m
Thu 12/101:03 pm -
1 stop9h 56m
Deal found 11/6![Alaska Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 11/6. 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.
Thu 12/36:08 am -
2 stops12h 37m
Thu 12/105:25 am -
2 stops10h 46m
Deal found 11/6![Delta logo]()
$544
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
Sat 12/58:30 am -
1 stop8h 30m
Wed 12/92:03 pm -
1 stop27h 03m
Deal found 11/4![Alaska Airlines logo]()
$453
Find 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 November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $422 (Delta) |
Popular in | July |
Cheapest in | May |
Average price | $593 |
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 7,457,451 searches. Data last updated November 9, 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
Cheapest round-trip
AustinMissoula
AUS Austin Bergstrom - MSO Missoula Johnson-Bell Field
AUSMSO
Austin Bergstrom
Thu 12/3
6:09 pm-12:37 am
1 stop7h 28m
Missoula Johnson-Bell Field
Thu 12/10
1:19 pm-11:54 pm
2 stops9h 35m
$422
AustinMissoula
AUS Austin Bergstrom - MSO Missoula Johnson-Bell Field
AUSMSO
Austin Bergstrom
Sat 12/5
3:43 pm-11:19 pm
1 stop8h 36m
Missoula Johnson-Bell Field
Wed 12/9
4:50 pm-2:40 pm
1 stop20h 50m
$453
Quickest round-trip
AustinMissoula
AUS Austin Bergstrom - MSO Missoula Johnson-Bell Field
AUSMSO
Austin Bergstrom
Tue 12/1
4:58 pm-9:47 pm
1 stop5h 49m
Missoula Johnson-Bell Field
Sat 12/5
6:15 am-1:08 pm
1 stop5h 53m
$470
AustinMissoula
AUS Austin Bergstrom - MSO Missoula Johnson-Bell Field
AUSMSO
Austin Bergstrom
Fri 11/13
5:52 pm-1:22 pm
1 stop20h 30m
Missoula Johnson-Bell Field
Mon 11/16
4:21 pm-2:31 pm
1 stop21h 10m
$549
AustinMissoula
AUS Austin Bergstrom - MSO Missoula Johnson-Bell Field
AUSMSO
Austin Bergstrom
Sat 12/5
9:45 am-6:35 pm
2 stops9h 50m
Missoula Johnson-Bell Field
Wed 12/9
2:41 pm-11:15 pm
2 stops7h 34m
$630
AustinMissoula
AUS Austin Bergstrom - MSO Missoula Johnson-Bell Field
AUSMSO
Austin Bergstrom
Fri 12/18
8:30 am-3:09 pm
1 stop7h 39m
Missoula Johnson-Bell Field
Sun 1/3
7:00 am-2:30 pm
1 stop6h 30m
$631
Sorted by cheapest first
Compare providers for flights from Austin to Missoula
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Missoula in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Austin-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Missoula flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-Missoula flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Missoula flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
AUS-MSO
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
What is the cheapest month to book a flight from Austin to Missoula?
Currently, May is the cheapest month in which you can book a flight from Austin to Missoula (average of $416). Flying from Austin to Missoula in July is currently the most expensive (average of $671). 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.
How much does it cost to fly round-trip from Austin to Missoula?
Airfare is below average for this route at the moment.
Austin to Missoula flights typically cost between $544 and $634 in December.The cheapest round-trip price found within the last 5 days was $422 on Delta (Dec 1-Dec 5).
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 November 9, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited 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.
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Food
7.0
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Food
7.0
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Food
7.0
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Food
7.0
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Food
7.0
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
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.
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Other flights to Missoula
Explore flights to Missoula departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 9, 2026.
Austin and Missoula flights
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Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$287 | Average$478 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$305 | Average$561 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$348 | Average$548 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$419 | Average$765 | FlexibilityNo cancel fee | On-time71% |