$180+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SAT
Nov 24 — Dec 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
One-way
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 October 25, 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 October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/162:37 pm -
1 stop5h 16m
Sat 11/214:48 pm -
1 stop5h 59m
Deal found 10/20![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 10/20. 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 11/56:25 pm -
1 stop5h 05m
Mon 11/912:45 pm -
1 stop5h 53m
Deal found 10/20![Delta logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:39 pm -
1 stop23h 55m
Wed 11/48:20 pm -
2 stops21h 05m
Deal found 10/21![Multiple Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/52:37 pm -
1 stop5h 16m
Mon 11/911:45 am -
2 stops11h 02m
Deal found 10/20![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 10/317:00 am -
1 stop5h 40m
Thu 11/56:35 am -
1 stop6h 59m
Deal found 10/21![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/22. 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 10/306:15 am -
1 stop5h 31m
Mon 11/28:56 am -
1 stop5h 35m
Deal found 10/22![United Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:39 pm -
1 stop23h 55m
Tue 11/310:29 pm -
2 stops39h 46m
Deal found 10/21![Multiple Airlines logo]()
$525
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 10/317:00 am -
1 stop5h 40m
Wed 11/46:35 am -
1 stop6h 59m
Deal found 10/21![Delta logo]()
$559
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 October 25, 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 October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/162:37 pm -
1 stop5h 16m
Sat 11/214:48 pm -
1 stop5h 59m
Deal found 10/20![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 10/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/155:25 am -
1 stop7h 14m
Fri 12/182:29 pm -
1 stop6h 33m
Deal found 10/23![Delta logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/237:41 am -
1 stop7h 21m
Wed 1/275:00 pm -
2 stops21h 22m
Deal found 10/23![Alaska Airlines logo]()
$451
This Delta deal was found by Cheapflights users on 10/20. 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 11/56:25 pm -
1 stop5h 05m
Mon 11/912:45 pm -
1 stop5h 53m
Deal found 10/20![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/52:37 pm -
1 stop5h 16m
Mon 11/911:45 am -
2 stops11h 02m
Deal found 10/20![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/229:45 am -
1 stop6h 02m
Tue 1/269:00 am -
1 stop5h 36m
Deal found 10/24![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Sat 1/239:45 am -
1 stop6h 02m
Wed 1/274:43 pm -
1 stop6h 09m
Deal found 10/23![United Airlines logo]()
$469
Last-minute flights from Missoula to San AntonioDiscover last-minute flight deals from Missoula to San Antonio. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to San Antonio. Data last updated October 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/22. 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 10/306:15 am -
1 stop5h 31m
Mon 11/28:56 am -
1 stop5h 35m
Deal found 10/22![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 10/317:00 am -
1 stop5h 40m
Thu 11/56:35 am -
1 stop6h 59m
Deal found 10/21![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 10/317:00 am -
1 stop5h 40m
Wed 11/46:35 am -
1 stop6h 59m
Deal found 10/21![Delta logo]()
$559
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:39 pm -
1 stop23h 55m
Wed 11/48:20 pm -
2 stops21h 05m
Deal found 10/21![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:39 pm -
1 stop23h 55m
Tue 11/310:29 pm -
2 stops39h 46m
Deal found 10/21![Multiple Airlines logo]()
$525
This Delta deal was found by Cheapflights users on 10/20. 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 11/56:25 pm -
1 stop5h 05m
Mon 11/912:45 pm -
1 stop5h 53m
Deal found 10/20![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/52:37 pm -
1 stop5h 16m
Mon 11/911:45 am -
2 stops11h 02m
Deal found 10/20![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/162:37 pm -
1 stop5h 16m
Sat 11/214:48 pm -
1 stop5h 59m
Deal found 10/20![United Airlines logo]()
$359
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 October 25, 2026.
Search for one-way flight options from Missoula to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 12/116:35 am -
1 stop7h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/112:41 pm -
2 stops7h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$185
This deal was found by Cheapflights users on 10/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:01 am -
1 stop8h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Alaska Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Fri 12/115:58 pm -
3 stops49h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$285
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (United Airlines) |
One-way from | $180 (American Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $524 |
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 October 25, 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
Quickest round-trip
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Fri 12/11
6:35 am-2:47 pm
1 stop7h 12m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$180
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Fri 12/11
2:41 pm-11:04 pm
2 stops7h 23m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$185
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Fri 12/11
7:01 am-4:02 pm
1 stop8h 01m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$215
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Fri 12/11
5:58 pm-8:02 pm
3 stops49h 04m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$285
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Mon 11/16
2:37 pm-8:53 pm
1 stop5h 16m
San Antonio
Sat 11/21
4:48 pm-9:47 pm
1 stop5h 59m
$359
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Tue 12/15
5:25 am-1:39 pm
1 stop7h 14m
San Antonio
Fri 12/18
2:29 pm-8:02 pm
1 stop6h 33m
$429
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Thu 11/5
6:25 pm-12:30 am
1 stop5h 05m
San Antonio
Mon 11/9
12:45 pm-5:38 pm
1 stop5h 53m
$429
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Sat 1/23
7:41 am-4:02 pm
1 stop7h 21m
San Antonio
Wed 1/27
5:00 pm-1:22 pm
2 stops21h 22m
$451
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Thu 11/5
2:37 pm-8:53 pm
1 stop5h 16m
San Antonio
Mon 11/9
11:45 am-9:47 pm
2 stops11h 02m
$459
MissoulaSan Antonio
MSO Missoula Johnson-Bell Field - SAT San Antonio
MSOSAT
Missoula Johnson-Bell Field
Fri 1/22
9:45 am-4:47 pm
1 stop6h 02m
San Antonio
Tue 1/26
9:00 am-1:36 pm
1 stop5h 36m
$469
Showing 1-10 of 11 resultsSorted 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 October.
| 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 $444 and $602 in November.The cheapest round-trip price found within the last 5 days was $359 on United Airlines (Nov 16-Nov 21).
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 October 25, 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.
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - 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
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from Missoula
Popular flights
San Antonio flight routes
Alternative routes for Missoula to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missoula to San Antonio by cabin class
Find flights from Missoula to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missoula and San Antonio flights
Browse other Missoula and San Antonio flight options. Last updated on October 25, 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 October 25, 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 October 25, 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 October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$289 | Average$446 | FlexibilityNo cancel fee | On-timeN/A |