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$145+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SAT
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheap flight deals from Missoula to San Antonio

Cheapest flights from Missoula to San Antonio
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 February 18, 2026.

This United Airlines deal was found by Cheapflights users on 2/18. 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 8/65:27 pm
MSO
-
SAT
1 stop5h 31m
United Airlines
Mon 8/105:30 am
SAT
-
MSO
1 stop5h 33m
United Airlines
Deal found 2/18$289
This United Airlines deal was found by Cheapflights users on 2/18. 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 8/612:40 pm
MSO
-
SAT
1 stop9h 24m
United Airlines
Tue 8/185:45 am
SAT
-
MSO
2 stops11h 25m
United Airlines
Deal found 2/18$294
This United Airlines deal was found by Cheapflights users on 2/18. 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 8/132:27 pm
MSO
-
SAT
1 stop5h 40m
United Airlines
Thu 8/204:45 pm
SAT
-
MSO
1 stop5h 41m
United Airlines
Deal found 2/18$295
This Delta deal was found by Cheapflights users on 2/15. 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 3/266:04 pm
MSO
-
SAT
1 stop5h 12m
Delta
Tue 3/317:00 am
SAT
-
MSO
1 stop6h 16m
Delta
Deal found 2/15$314
This Delta deal was found by Cheapflights users on 2/18. 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 3/266:04 pm
MSO
-
SAT
1 stop5h 12m
Delta
Mon 3/307:00 am
SAT
-
MSO
1 stop6h 16m
Delta
Deal found 2/18$349
This United Airlines deal was found by Cheapflights users on 2/15. 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 9/232:27 pm
MSO
-
SAT
2 stops7h 11m
United Airlines
Mon 9/285:45 am
SAT
-
MSO
2 stops11h 25m
United Airlines
Deal found 2/15$352
This Orbitz deal was found by Cheapflights users on 2/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/254:13 pm
MSO
-
SAT
1 stop12h 28m
Alaska Airlines
Thu 12/317:00 am
SAT
-
MSO
1 stop6h 32m
Alaska Airlines
Deal found 2/18$364
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/282:38 pm
MSO
-
SAT
1 stop5h 04m
United Airlines
Sat 5/24:39 pm
SAT
-
MSO
1 stop5h 51m
United Airlines
Deal found 2/17$369

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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(Delta)

One-way from

$145
(Delta)

Popular in

July

Cheapest in

August

Average price

$450
Provider with most accurate pricing for Missoula Johnson-Bell Field-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-San Antonio flights.
Search Deals
From Missoula Johnson-Bell Field to San Antonio
Search Deals
One-way flight from Missoula Johnson-Bell Field to San Antonio
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from Missoula to San Antonio that are best for you.

Fly from

Missoula

Fly to

San Antonio

Route

Depart

Return

Price

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 8/6

5:27 pm-11:58 pm

1 stop5h 31m

San Antonio

Mon 8/10

5:30 am-10:03 am

1 stop5h 33m

$289

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 3/26

6:04 pm-12:16 am

1 stop5h 12m

San Antonio

Tue 3/31

5:55 pm-12:24 am

1 stop7h 29m

$289

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 8/6

5:27 pm-11:58 pm

1 stop5h 31m

San Antonio

Tue 8/18

8:55 am-4:10 pm

1 stop8h 15m

$289

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 3/27

6:04 pm-12:16 am

1 stop5h 12m

San Antonio

Tue 3/31

7:00 am-12:16 pm

1 stop6h 16m

$314

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Tue 3/17

6:04 pm-12:16 am

1 stop5h 12m

$145

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Sat 2/28

5:15 am-1:38 pm

1 stop7h 23m

$205

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Tue 3/17

2:35 pm-10:57 pm

2 stops7h 22m

$301

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Tue 2/24

6:10 pm-12:41 am

1 stop5h 31m

$315

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Wed 2/25

5:15 am-1:43 pm

1 stop7h 28m

$315

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 4/3

2:38 pm-8:42 pm

1 stop5h 04m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 12 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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, October is the cheapest month in which you can book a flight from Missoula to San Antonio (average of $151). Flying from Missoula to San Antonio in November is currently the most expensive (average of $391). 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.

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 February 18, 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.
Delta
7.9
Good
8,212 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,212 reviews
Delta
7.9
Good
8,212 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,321 reviews
Delta
7.9
Good
8,212 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Missoula to San Antonio?

    A quick flight from Missoula to San Antonio can take about 5h 12m. United Airlines provides one of the quickest options available for as low as $289. There are 1463 mi between Missoula and San Antonio. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Missoula to San Antonio round-trip?

    Flying on Delta is currently your cheapest option to San Antonio, with prices starting at $316. Another option worth looking into is United Airlines, starting at $365 round trip. Delta is priced at 30% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Missoula to San Antonio that include hotel bookings?

    Yes. In addition to deals on Missoula to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missoula to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missoula to San Antonio.

  • Can I find deals for business class flights from Missoula to San Antonio?

    Yes. Cheapflights offers flight deals from Missoula to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missoula to San Antonio?

    Currently, October is the cheapest month in which you can book a flight from Missoula to San Antonio (average of $151). Flying from Missoula to San Antonio in November is currently the most expensive (average of $391). 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.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$316Average$394FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$365Average$456FlexibilityNo cancel feeOn-time69%

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