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$346+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SAT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap 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 16, 2025.

Round-trip from

$346
(KAYAK)

Popular in

December

Cheapest in

August

Average price

$473
From Missoula Johnson-Bell Field to San Antonio
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find 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 September 16, 2025.

This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:32 amMSO - SAT
1 stop10h 23mAlaska Airlines
Wed 11/196:32 amSAT - MSO
1 stop6h 47mAlaska Airlines
Deal found 9/15$346
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 12/125:01 amMSO - SAT
1 stop7h 51mDelta
Mon 12/156:05 pmSAT - MSO
1 stop7h 30mDelta
Deal found 9/15$371
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/32:35 pmMSO - SAT
2 stops7h 24mUnited Airlines
Mon 12/88:39 amSAT - MSO
1 stop5h 54mUnited Airlines
Deal found 9/15$376
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/156:20 amMSO - SAT
1 stop5h 36mUnited Airlines
Wed 11/195:30 amSAT - MSO
2 stops11h 31mUnited Airlines
Deal found 9/15$382
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/116:25 amMSO - SAT
1 stop5h 20mUnited Airlines
Fri 10/174:39 pmSAT - MSO
1 stop5h 46mUnited Airlines
Deal found 9/14$421
This Delta deal was found by Cheapflights users on 9/14. 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 10/166:20 pmMSO - SAT
1 stop5h 11mDelta
Sun 10/196:07 pmSAT - MSO
1 stop7h 10mDelta
Deal found 9/14$465
This Hawaiian Airlines deal was found by Cheapflights users on 9/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:14 pmMSO - SAT
1 stop6h 49mHawaiian Airlines
Mon 9/296:27 amSAT - MSO
1 stop7h 05mHawaiian Airlines
Deal found 9/15$480

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 September 16, 2025.
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

Sat 11/15

6:32 am-5:55 pm

1 stop10h 23m

San Antonio

Wed 11/19

6:32 am-12:19 pm

1 stop6h 47m

$346

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 12/12

5:01 am-1:52 pm

1 stop7h 51m

San Antonio

Mon 12/15

6:05 pm-12:35 am

1 stop7h 30m

$371

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Wed 12/3

6:15 am-1:06 pm

1 stop5h 51m

San Antonio

Mon 12/8

4:34 pm-9:18 pm

1 stop5h 44m

$371

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Sat 1/24

6:35 am-5:58 pm

1 stop10h 23m

San Antonio

Wed 1/28

7:00 pm-1:52 pm

1 stop19h 52m

$376

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Sat 11/15

6:20 am-12:56 pm

1 stop5h 36m

San Antonio

Wed 11/19

5:30 am-4:01 pm

2 stops11h 31m

$382

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Sat 1/24

6:00 am-3:31 pm

2 stops8h 31m

San Antonio

Wed 1/28

11:43 am-9:51 pm

2 stops11h 08m

$387

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Sat 10/11

6:25 am-12:45 pm

1 stop5h 20m

San Antonio

Fri 10/17

4:39 pm-9:25 pm

1 stop5h 46m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, August is the cheapest month in which you can book a flight from Missoula to San Antonio (average of $295). Flying from Missoula to San Antonio in March is currently the most expensive (average of $376). 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 September 16, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American 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
8.0
Very good
7,954 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 51m. Alaska Airlines provides one of the quickest options available for as low as $371. 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. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $368 and $374, respectively. Delta is priced at 38% 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, August is the cheapest month in which you can book a flight from Missoula to San Antonio (average of $295). Flying from Missoula to San Antonio in March is currently the most expensive (average of $376). 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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Top 3 airlines flying from Missoula to San Antonio

Discover the top 3 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$316Average$387FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$368Average$541FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$374Average$555FlexibilityNo cancel feeOn-time71%

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