$223+ Cheap flights from San Antonio to Missoula (SAT - 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — MSO
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio 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 San Antonio to Missoula
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Cheapest flights from San Antonio to MissoulaExplore the most affordable flight options available from San Antonio to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from San Antonio to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/224:39 pm -
1 stop5h 52m
Sat 9/262:38 pm -
1 stop5h 04m
Deal found 9/11![United Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 9/12. 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.
Sun 9/276:01 pm -
1 stop7h 17m
Thu 10/16:17 pm -
1 stop5h 14m
Deal found 9/12![Delta logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 9/238:20 pm -
2 stops25h 39m
Sun 9/279:49 pm -
1 stop22h 14m
Deal found 9/9![Multiple Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 9/275:30 am -
2 stops9h 02m
Thu 10/12:38 pm -
2 stops7h 13m
Deal found 9/12![United Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 9/10. 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 10/76:00 pm -
1 stop7h 31m
Tue 10/136:23 pm -
1 stop5h 07m
Deal found 9/10![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/75:30 am -
2 stops9h 02m
Tue 10/132:38 pm -
1 stop5h 04m
Deal found 9/10![United Airlines logo]()
$619
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/239:24 am -
1 stop7h 00m
Sun 9/272:38 pm -
1 stop8h 20m
Deal found 9/9![United Airlines logo]()
$681
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/85:30 am -
1 stop5h 27m
Tue 10/132:38 pm -
1 stop5h 04m
Deal found 9/11![United Airlines logo]()
$731
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 12/235:51 pm -
1 stop7h 01m
Wed 12/302:02 pm -
1 stop25h 51m
Deal found 9/10![Alaska Airlines logo]()
$767
Best flights from San Antonio to MissoulaDiscover carefully curated flight deals from San Antonio to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from San Antonio to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 2/65:00 pm -
1 stop6h 58m
Tue 2/97:03 am -
1 stop7h 59m
Deal found 9/10![Alaska Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/61:35 pm -
1 stop5h 50m
Tue 2/96:15 am -
1 stop5h 50m
Deal found 9/8![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 9/12. 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.
Sun 9/276:01 pm -
1 stop7h 17m
Thu 10/16:17 pm -
1 stop5h 14m
Deal found 9/12![Delta logo]()
$445
This United Airlines deal was found by Cheapflights users on 9/12. 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 1/94:45 pm -
1 stop5h 41m
Wed 1/132:27 pm -
1 stop5h 40m
Deal found 9/12![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 9/10. 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 10/76:00 pm -
1 stop7h 31m
Tue 10/136:23 pm -
1 stop5h 07m
Deal found 9/10![Delta logo]()
$479
Last-minute flights from San Antonio to MissoulaDiscover last-minute flight deals from San Antonio to Missoula. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Missoula. Data last updated September 13, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/224:39 pm -
1 stop5h 52m
Sat 9/262:38 pm -
1 stop5h 04m
Deal found 9/11![United Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 9/238:20 pm -
2 stops25h 39m
Sun 9/279:49 pm -
1 stop22h 14m
Deal found 9/9![Multiple Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/239:24 am -
1 stop7h 00m
Sun 9/272:38 pm -
1 stop8h 20m
Deal found 9/9![United Airlines logo]()
$681
This Delta deal was found by Cheapflights users on 9/12. 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.
Sun 9/276:01 pm -
1 stop7h 17m
Thu 10/16:17 pm -
1 stop5h 14m
Deal found 9/12![Delta logo]()
$445
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 9/275:30 am -
2 stops9h 02m
Thu 10/12:38 pm -
2 stops7h 13m
Deal found 9/12![United Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 9/10. 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 10/76:00 pm -
1 stop7h 31m
Tue 10/136:23 pm -
1 stop5h 07m
Deal found 9/10![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/75:30 am -
2 stops9h 02m
Tue 10/132:38 pm -
1 stop5h 04m
Deal found 9/10![United Airlines logo]()
$619
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/85:30 am -
1 stop5h 27m
Tue 10/132:38 pm -
1 stop5h 04m
Deal found 9/11![United Airlines logo]()
$731
One-way flights from San Antonio to MissoulaSearch for one-way flight options from San Antonio to Missoula. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from San Antonio to Missoula. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Delta deal was found by Cheapflights users on 9/12. 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 10/16:07 pm -
1 stop6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$223
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/14:50 pm -
1 stop5h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$243
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/189:10 am -
1 stop5h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$250
Find flight deals from San Antonio to Missoula
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $425 (Alaska Airlines) |
One-way from | $223 (Delta) |
Popular in | March |
Cheapest in | May |
Average price | $438 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio 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 September 13, 2026.
Use the filters below to find and compare flights from San Antonio to Missoula that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioMissoula
SAT San Antonio - MSO Missoula Johnson-Bell Field
SATMSO
San Antonio
Thu 10/1
6:07 pm-11:42 pm
1 stop6h 35m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$223
San AntonioMissoula
SAT San Antonio - MSO Missoula Johnson-Bell Field
SATMSO
San Antonio
Thu 10/1
4:50 pm-9:32 pm
1 stop5h 42m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$243
Quickest round-trip
San AntonioMissoula
SAT San Antonio - MSO Missoula Johnson-Bell Field
SATMSO
San Antonio
Fri 9/18
9:10 am-1:38 pm
1 stop5h 28m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$250
San AntonioMissoula
SAT San Antonio - MSO Missoula Johnson-Bell Field
SATMSO
San Antonio
Sat 2/6
5:00 pm-10:58 pm
1 stop6h 58m
Missoula Johnson-Bell Field
Tue 2/9
7:03 am-4:02 pm
1 stop7h 59m
$425
San AntonioMissoula
SAT San Antonio - MSO Missoula Johnson-Bell Field
SATMSO
San Antonio
Sat 2/6
1:35 pm-6:25 pm
1 stop5h 50m
Missoula Johnson-Bell Field
Tue 2/9
6:15 am-1:05 pm
1 stop5h 50m
$429
San AntonioMissoula
SAT San Antonio - MSO Missoula Johnson-Bell Field
SATMSO
San Antonio
Sun 9/27
6:01 pm-12:18 am
1 stop7h 17m
Missoula Johnson-Bell Field
Thu 10/1
6:17 pm-12:31 am
1 stop5h 14m
$445
San AntonioMissoula
SAT San Antonio - MSO Missoula Johnson-Bell Field
SATMSO
San Antonio
Sat 1/9
4:45 pm-9:26 pm
1 stop5h 41m
Missoula Johnson-Bell Field
Wed 1/13
2:27 pm-9:07 pm
1 stop5h 40m
$449
San AntonioMissoula
SAT San Antonio - MSO Missoula Johnson-Bell Field
SATMSO
San Antonio
Wed 10/7
6:00 pm-12:31 am
1 stop7h 31m
Missoula Johnson-Bell Field
Tue 10/13
6:23 pm-12:30 am
1 stop5h 07m
$479
Sorted by cheapest first
Compare providers for flights from San Antonio 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 San Antonio to Missoula 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 San Antonio-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Missoula flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-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 San Antonio-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 San Antonio to Missoula
Have a flexible travel schedule? Discover the best time to fly to Missoula from San Antonio with our price prediction graph.
SAT-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 San Antonio to Missoula
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 September 13, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from San Antonio to Missoula by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
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 San Antonio 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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Complete your trip
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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 September 13, 2026.
San Antonio and Missoula flights
Browse other San Antonio and Missoula flight options. Last updated on September 13, 2026.
Other flights from San Antonio
Browse through other flights departing from San Antonio. Flights are based on user searches made on Cheapflights and were last updated on September 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from San Antonio to Missoula
Discover the top 3 airlines that operate flights from San Antonio 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 September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$199 | Average$370 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$313 | Average$382 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$368 | Average$535 | FlexibilityNo cancel fee | On-time69% |