$339+ Cheap flights from Missoula to San Antonio (MSO - SAT)
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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SAT
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Missoula to San Antonio 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 San Antonio
Cheapest
Best
Last-minute
Cheapest flights from Missoula to San AntonioExplore the most affordable flight options available from Missoula to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Missoula to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
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.
Sat 10/102:38 pm -
1 stop8h 20m
Sat 10/178:40 am -
1 stop7h 39m
Deal found 9/10![United Airlines logo]()
$339
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 10/32:38 pm -
1 stop5h 04m
Wed 10/74:50 pm -
1 stop5h 42m
Deal found 9/8![United Airlines logo]()
$359
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.
Thu 9/242:38 pm -
1 stop8h 20m
Mon 9/289:00 am -
1 stop8h 20m
Deal found 9/9![United Airlines logo]()
$409
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.
Wed 9/232:40 pm -
1 stop5h 12m
Sun 9/277:45 am -
1 stop8h 39m
Deal found 9/8![United Airlines logo]()
$429
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 10/235:19 pm -
1 stop5h 39m
Tue 10/2711:45 am -
2 stops11h 02m
Deal found 9/10![United Airlines logo]()
$469
Best flights from Missoula to San AntonioDiscover carefully curated flight deals from Missoula to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Missoula to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
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.
Sat 10/102:38 pm -
2 stops7h 13m
Sat 10/177:35 am -
2 stops9h 45m
Deal found 9/9![United Airlines logo]()
$349
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 10/32:38 pm -
2 stops7h 13m
Wed 10/75:30 am -
2 stops9h 02m
Deal found 9/8![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/7. 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 1/216:15 am -
1 stop5h 50m
Sun 1/245:30 am -
2 stops8h 57m
Deal found 9/7![United Airlines logo]()
$384
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 1/239:45 am -
1 stop5h 45m
Wed 1/274:45 pm -
1 stop5h 41m
Deal found 9/8![United Airlines logo]()
$429
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.
Sat 1/169:45 am -
1 stop5h 45m
Sun 1/245:30 am -
2 stops8h 57m
Deal found 9/9![United Airlines logo]()
$434
Last-minute flights from Missoula to San AntonioDiscover last-minute flight deals from Missoula to San Antonio. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to San Antonio. Data last updated September 11, 2026 and is based on user searches.
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.
Wed 9/232:40 pm -
1 stop5h 12m
Sun 9/277:45 am -
1 stop8h 39m
Deal found 9/8![United Airlines logo]()
$429
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.
Thu 9/242:38 pm -
1 stop8h 20m
Mon 9/289:00 am -
1 stop8h 20m
Deal found 9/9![United Airlines logo]()
$409
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 10/32:38 pm -
1 stop5h 04m
Wed 10/74:50 pm -
1 stop5h 42m
Deal found 9/8![United Airlines logo]()
$359
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.
Sat 10/102:38 pm -
1 stop8h 20m
Sat 10/178:40 am -
1 stop7h 39m
Deal found 9/10![United Airlines logo]()
$339
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 10/235:19 pm -
1 stop5h 39m
Tue 10/2711:45 am -
2 stops11h 02m
Deal found 9/10![United Airlines logo]()
$469
Find flight deals from Missoula to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to San Antonio (SAT). 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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (United Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $484 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missoula to San Antonio 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 11, 2026.
Use the filters below to find and compare flights from Missoula to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Sat 10/10
2:38 pm-10:51 pm
2 stops7h 13m
San Antonio
Sat 10/17
7:35 am-4:20 pm
2 stops9h 45m
$349
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Sat 10/3
2:38 pm-10:51 pm
2 stops7h 13m
San Antonio
Wed 10/7
5:30 am-1:32 pm
2 stops9h 02m
$369
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Thu 1/21
6:15 am-1:05 pm
1 stop5h 50m
San Antonio
Sun 1/24
5:30 am-1:27 pm
2 stops8h 57m
$384
Quickest round-trip
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Sat 1/23
9:45 am-4:30 pm
1 stop5h 45m
San Antonio
Wed 1/27
4:45 pm-9:26 pm
1 stop5h 41m
$429
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Sat 1/16
9:45 am-4:30 pm
1 stop5h 45m
San Antonio
Sun 1/24
5:30 am-1:27 pm
2 stops8h 57m
$434
Sorted by cheapest first
Compare providers for flights from Missoula to San Antonio
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 San Antonio 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-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Missoula-San Antonio 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-San Antonio 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 San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Missoula with our price prediction graph.
MSO-SAT
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 San Antonio
What is the cheapest month to book a flight from Missoula to San Antonio?
Currently, February is the cheapest month in which you can book a flight from Missoula to San Antonio (average of $371). Flying from Missoula to San Antonio in July is currently the most expensive (average of $626). 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 Missoula to San Antonio?
Airfare is below average for this route at the moment.
Missoula to San Antonio flights typically cost between $480 and $612 in October.The cheapest round-trip price found within the last 5 days was $339 on United Airlines (Oct 10-Oct 17).
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated September 11, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Missoula to San Antonio. 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.
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Missoula to San Antonio. 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 San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Missoula and San Antonio flights
Browse other Missoula and San Antonio flight options. Last updated on September 11, 2026.
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Top 2 airlines flying from Missoula to San Antonio
Discover the top 2 airlines that operate flights from Missoula to San Antonio. 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$472 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$289 | Average$433 | FlexibilityNo cancel fee | On-timeN/A |