$442+ Cheap flights from Missoula to San Antonio (MSO - SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SAT
Sep 26 — Oct 31
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
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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
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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 August 27, 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 August 27, 2026.
This Delta deal was found by Cheapflights users on 8/25. 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 9/256:17 pm -
1 stop5h 14m
Tue 9/296:01 pm -
1 stop7h 17m
Deal found 8/25![Delta logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Sun 11/14:21 pm -
1 stop22h 58m
Wed 11/45:29 pm -
1 stop19h 53m
Deal found 8/24![Alaska Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 8/21. 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 9/156:17 pm -
1 stop5h 14m
Fri 9/186:45 am -
1 stop6h 52m
Deal found 8/21![Delta logo]()
$480
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Tue 9/292:38 pm -
2 stops7h 13m
Sat 10/34:50 pm -
1 stop5h 42m
Deal found 8/26![United Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/85:17 pm -
1 stop5h 40m
Sat 9/125:30 am -
1 stop5h 32m
Deal found 8/23![United Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 8/25. 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 8/2610:38 am -
1 stop5h 17m
Thu 8/279:10 am -
1 stop5h 28m
Deal found 8/25![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 8/21. 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 9/157:00 am -
2 stops9h 43m
Fri 9/184:39 pm -
1 stop5h 55m
Deal found 8/21![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 8/22. 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 31m
Sun 11/18:56 am -
1 stop5h 35m
Deal found 8/22![United Airlines logo]()
$535
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 August 27, 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 August 27, 2026.
This Delta deal was found by Cheapflights users on 8/22. 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 9/256:17 pm -
1 stop5h 14m
Tue 9/296:01 pm -
1 stop7h 17m
Deal found 8/22![Delta logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Sun 11/14:21 pm -
1 stop22h 58m
Wed 11/45:29 pm -
1 stop19h 53m
Deal found 8/24![Alaska Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Tue 9/292:38 pm -
2 stops7h 13m
Sat 10/34:50 pm -
1 stop5h 42m
Deal found 8/26![United Airlines logo]()
$507
This Delta deal was found by Cheapflights users on 8/26. 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.
Tue 9/296:17 pm -
1 stop5h 14m
Sat 10/312:29 pm -
1 stop6h 08m
Deal found 8/26![Delta logo]()
$445
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/85:17 pm -
1 stop5h 40m
Sat 9/125:30 am -
1 stop5h 32m
Deal found 8/23![United Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 8/21. 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 1/236:15 am -
1 stop5h 50m
Wed 1/274:45 pm -
1 stop5h 41m
Deal found 8/21![United Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 8/22. 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 10/282:37 pm -
2 stops7h 14m
Sun 11/18:56 am -
1 stop5h 35m
Deal found 8/22![United Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/252:38 pm -
1 stop5h 04m
Tue 9/297:35 am -
2 stops9h 45m
Deal found 8/22![United Airlines logo]()
$540
Last-minute flights from Missoula to San AntonioDiscover last-minute flight deals from Missoula to San Antonio. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to San Antonio. Data last updated August 27, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/25. 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 8/2610:38 am -
1 stop5h 17m
Thu 8/279:10 am -
1 stop5h 28m
Deal found 8/25![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/85:17 pm -
1 stop5h 40m
Sat 9/125:30 am -
1 stop5h 32m
Deal found 8/23![United Airlines logo]()
$510
This Delta deal was found by Cheapflights users on 8/21. 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 9/156:17 pm -
1 stop5h 14m
Fri 9/186:45 am -
1 stop6h 52m
Deal found 8/21![Delta logo]()
$480
This United Airlines deal was found by Cheapflights users on 8/21. 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 9/157:00 am -
2 stops9h 43m
Fri 9/184:39 pm -
1 stop5h 55m
Deal found 8/21![United Airlines logo]()
$534
This Delta deal was found by Cheapflights users on 8/25. 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 9/256:17 pm -
1 stop5h 14m
Tue 9/296:01 pm -
1 stop7h 17m
Deal found 8/25![Delta logo]()
$445
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/252:38 pm -
2 stops7h 13m
Tue 9/297:45 am -
1 stop8h 39m
Deal found 8/25![United Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Tue 9/292:38 pm -
2 stops7h 13m
Sat 10/34:50 pm -
1 stop5h 42m
Deal found 8/26![United Airlines logo]()
$507
One-way flights from Missoula to San AntonioSearch for one-way flight options from Missoula to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
Search for one-way flight options from Missoula to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This American Airlines deal was found by Cheapflights users on 8/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:48 pm -
1 stop9h 10m
Deal found 8/23![American Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/184:15 pm -
2 stops15h 23m
Deal found 8/23![United Airlines logo]()
$539
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 August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $445 (Delta) |
One-way from | $442 (American Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $549 |
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 August 27, 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
Fri 9/25
6:17 pm-12:31 am
1 stop5h 14m
San Antonio
Tue 9/29
6:01 pm-12:18 am
1 stop7h 17m
$445
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Tue 9/29
6:17 pm-12:31 am
1 stop5h 14m
San Antonio
Sat 10/3
12:29 pm-5:37 pm
1 stop6h 08m
$445
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Sun 11/1
4:21 pm-4:19 pm
1 stop22h 58m
San Antonio
Wed 11/4
5:29 pm-12:22 pm
1 stop19h 53m
$470
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Tue 9/29
2:38 pm-10:51 pm
2 stops7h 13m
San Antonio
Sat 10/3
4:50 pm-9:32 pm
1 stop5h 42m
$507
Quickest round-trip
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Tue 9/8
5:17 pm-11:57 pm
1 stop5h 40m
San Antonio
Sat 9/12
5:30 am-10:02 am
1 stop5h 32m
$510
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Sat 1/23
6:15 am-1:05 pm
1 stop5h 50m
San Antonio
Wed 1/27
4:45 pm-9:26 pm
1 stop5h 41m
$535
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Wed 10/28
2:37 pm-10:51 pm
2 stops7h 14m
San Antonio
Sun 11/1
8:56 am-1:31 pm
1 stop5h 35m
$540
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Fri 9/25
2:38 pm-8:42 pm
1 stop5h 04m
San Antonio
Tue 9/29
7:35 am-4:20 pm
2 stops9h 45m
$540
Cheapest one-way
Quickest one-way
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Sun 10/18
1:48 pm-11:58 pm
1 stop9h 10m
$442
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Sun 10/18
4:15 pm-8:38 am
2 stops15h 23m
$539
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 August.
| 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
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 August 27, 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.
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.2
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 August 27, 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 August 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.
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 August 27, 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 |