$239+ Cheap flights from Missoula to Austin (MSO - AUS)
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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — AUS
Oct 30 — Nov 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Missoula to Austin 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 Missoula to Austin
Cheapest
Best
Last-minute
One-way
Cheapest flights from Missoula to AustinExplore the most affordable flight options available from Missoula to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
Explore the most affordable flight options available from Missoula to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:13 pm -
1 stop26h 14m
Mon 10/2610:12 pm -
1 stop14h 17m
Deal found 9/28![Multiple Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Wed 10/286:15 am -
1 stop5h 43m
Wed 11/43:05 pm -
1 stop7h 42m
Deal found 9/28![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 9/28. 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 10/291:14 pm -
1 stop7h 28m
Thu 11/58:15 am -
1 stop5h 19m
Deal found 9/28![Delta logo]()
$461
This Expedia deal was found by Cheapflights users on 9/29. 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.
Fri 11/132:02 pm -
1 stop8h 12m
Mon 11/165:52 pm -
1 stop20h 30m
Deal found 9/29![Alaska Airlines logo]()
$465
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Thu 10/222:38 pm -
1 stop8h 21m
Thu 10/2910:45 am -
1 stop6h 41m
Deal found 9/27![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 9/29. 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.
Fri 11/201:19 pm -
1 stop7h 23m
Wed 12/22:34 pm -
1 stop6h 28m
Deal found 9/29![Delta logo]()
$490
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Fri 11/132:37 pm -
2 stops7h 38m
Mon 11/163:05 pm -
1 stop7h 42m
Deal found 9/26![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Wed 10/216:15 am -
1 stop5h 40m
Sat 10/249:00 am -
1 stop7h 19m
Deal found 9/26![United Airlines logo]()
$495
Best flights from Missoula to AustinDiscover carefully curated flight deals from Missoula to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
Discover carefully curated flight deals from Missoula to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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 1/97:41 am -
1 stop9h 19m
Tue 1/127:15 am -
1 stop9h 17m
Deal found 9/28![Alaska Airlines logo]()
$465
This Delta deal was found by Cheapflights users on 9/26. 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.
Fri 10/305:30 am -
1 stop5h 06m
Tue 11/38:15 am -
1 stop5h 19m
Deal found 9/26![Delta logo]()
$465
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Fri 10/232:38 pm -
2 stops7h 23m
Fri 10/307:00 am -
2 stops10h 26m
Deal found 9/27![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/106:15 am -
1 stop5h 40m
Mon 10/125:30 am -
1 stop5h 27m
Deal found 9/28![United Airlines logo]()
$525
Last-minute flights from Missoula to AustinDiscover last-minute flight deals from Missoula to Austin. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Austin. Data last updated September 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Wed 10/216:15 am -
1 stop5h 40m
Sat 10/249:00 am -
1 stop7h 19m
Deal found 9/26![United Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:13 pm -
1 stop26h 14m
Mon 10/2610:12 pm -
1 stop14h 17m
Deal found 9/28![Multiple Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Thu 10/222:38 pm -
1 stop8h 21m
Thu 10/2910:45 am -
1 stop6h 41m
Deal found 9/27![United Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Fri 10/235:19 pm -
1 stop5h 40m
Thu 10/293:05 pm -
1 stop7h 42m
Deal found 9/28![United Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Wed 10/286:15 am -
1 stop5h 43m
Wed 11/43:05 pm -
1 stop7h 42m
Deal found 9/28![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 9/28. 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 10/291:14 pm -
1 stop7h 28m
Thu 11/58:15 am -
1 stop5h 19m
Deal found 9/28![Delta logo]()
$461
This Delta deal was found by Cheapflights users on 9/26. 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.
Fri 10/305:30 am -
1 stop5h 06m
Tue 11/38:15 am -
1 stop5h 19m
Deal found 9/26![Delta logo]()
$465
One-way flights from Missoula to AustinSearch for one-way flight options from Missoula to Austin. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
Search for one-way flight options from Missoula to Austin. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:14 pm -
1 stop7h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Delta logo]()
$239
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/66:15 am -
1 stop5h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 9/28. 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.
Wed 10/75:30 am -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$270
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Wed 10/216:15 am -
1 stop5h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Fri 10/92:38 pm -
2 stops7h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Mon 10/52:38 pm -
2 stops7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$361
This Expedia deal was found by Cheapflights users on 9/28. 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.
Thu 10/87:03 am -
2 stops13h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Alaska Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:37 am -
2 stops22h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 10/165:19 pm -
1 stop5h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$555
Find flight deals from Missoula to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Austin (AUS). 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 September 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $452 (Kiwi.com) |
One-way from | $239 (KAYAK) |
Popular in | July |
Cheapest in | January |
Average price | $468 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missoula to Austin 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 September 30, 2026.
Use the filters below to find and compare flights from Missoula to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MissoulaAustin
MSO Missoula Johnson-Bell Field - AUS Austin Bergstrom
MSOAUS
Missoula Johnson-Bell Field
Wed 10/21
1:14 pm-9:42 pm
1 stop7h 28m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$239
MissoulaAustin
MSO Missoula Johnson-Bell Field - AUS Austin Bergstrom
MSOAUS
Missoula Johnson-Bell Field
Tue 10/6
6:15 am-12:55 pm
1 stop5h 40m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$265
Quickest round-trip
MissoulaAustin
MSO Missoula Johnson-Bell Field - AUS Austin Bergstrom
MSOAUS
Missoula Johnson-Bell Field
Fri 10/9
5:30 am-11:34 am
1 stop5h 04m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$270
MissoulaAustin
MSO Missoula Johnson-Bell Field - AUS Austin Bergstrom
MSOAUS
Missoula Johnson-Bell Field
Wed 10/7
2:38 pm-8:48 pm
1 stop5h 10m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$270
MissoulaAustin
MSO Missoula Johnson-Bell Field - AUS Austin Bergstrom
MSOAUS
Missoula Johnson-Bell Field
Mon 10/5
6:00 am-1:07 pm
1 stop6h 07m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$270
MissoulaAustin
MSO Missoula Johnson-Bell Field - AUS Austin Bergstrom
MSOAUS
Missoula Johnson-Bell Field
Wed 10/21
10:38 am-10:54 pm
2 stops11h 16m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$275
MissoulaAustin
MSO Missoula Johnson-Bell Field - AUS Austin Bergstrom
MSOAUS
Missoula Johnson-Bell Field
Fri 10/9
2:38 pm-11:01 pm
2 stops7h 23m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$330
MissoulaAustin
MSO Missoula Johnson-Bell Field - AUS Austin Bergstrom
MSOAUS
Missoula Johnson-Bell Field
Mon 10/5
2:38 pm-10:54 pm
2 stops7h 16m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$361
MissoulaAustin
MSO Missoula Johnson-Bell Field - AUS Austin Bergstrom
MSOAUS
Missoula Johnson-Bell Field
Sat 1/9
7:41 am-6:00 pm
1 stop9h 19m
Austin Bergstrom
Tue 1/12
7:15 am-3:32 pm
1 stop9h 17m
$465
MissoulaAustin
MSO Missoula Johnson-Bell Field - AUS Austin Bergstrom
MSOAUS
Missoula Johnson-Bell Field
Fri 10/30
5:30 am-11:36 am
1 stop5h 06m
Austin Bergstrom
Tue 11/3
8:15 am-12:34 pm
1 stop5h 19m
$465
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Missoula to Austin
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 Missoula to Austin in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Missoula-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Austin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Missoula-Austin 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 Missoula-Austin 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 Missoula to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Missoula with our price prediction graph.
MSO-AUS
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 Missoula to Austin
What is the cheapest time of day to fly from MSO to AUS?
Find hourly flight availability from Missoula to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 30, 2026.
When flying from Missoula to Austin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Missoula to Austin?
Airfare is typical for this route at the moment.
Missoula to Austin flights typically cost between $418 and $488 in October.The cheapest round-trip price found within the last 5 days was $452 on Multiple Airlines (Oct 22-Oct 26).
Reviews of airlines servicing Austin
Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated September 30, 2026.
See what other customers who have flown with Delta and United Airlines from Missoula to Austin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from Missoula to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
Round Rock
San Marcos
Bastrop
Fredericksburg
Pflugerville
Georgetown
Dripping Springs
Seguin
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Austin flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Missoula
Popular flights
Alternative routes for Missoula to Austin
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Austin
Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 30, 2026.
Complete your trip
Complete your trip to Austin by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missoula to Austin by cabin class
Find flights from Missoula to Austin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missoula and Austin flights
Browse other Missoula and Austin flight options. Last updated on September 30, 2026.
Other flights from Missoula
Browse through other flights departing from Missoula. Flights are based on user searches made on Cheapflights and were last updated on September 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Missoula to Austin
Discover the top 2 airlines that operate flights from Missoula to Austin. 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 September 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$279 | Average$418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$289 | Average$420 | FlexibilityNo cancel fee | On-time69% |