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$176+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SAT
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$341
(Delta)

One-way from

$176
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$516
From Missoula Johnson-Bell Field to San Antonio
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One-way flight from Missoula Johnson-Bell Field to San Antonio
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Highest demand for flights based on searches. 17% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This Delta deal was found by Cheapflights users on 6/29. 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 8/165:30 amMSO - SAT
1 stop7h 09mDelta
Wed 8/206:04 pmSAT - MSO
1 stop6h 45mDelta
Deal found 6/29$341
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Fri 12/126:35 amMSO - SAT
1 stop10h 23mAlaska Airlines
Mon 12/157:00 pmSAT - MSO
1 stop19h 52mAlaska Airlines
Deal found 6/30$372
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Sat 8/166:45 amMSO - SAT
2 stops9h 56mAmerican Airlines
Wed 8/205:00 amSAT - MSO
2 stops11h 23mAmerican Airlines
Deal found 6/29$431
This United Airlines deal was found by Cheapflights users on 6/29. 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 7/1512:40 pmMSO - SAT
1 stop8h 58mUnited Airlines
Sat 7/195:15 amSAT - MSO
1 stop5h 41mUnited Airlines
Deal found 6/29$461
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/612:24 pmMSO - SAT
3 stops23h 57mMultiple Airlines
Sun 7/137:52 pmSAT - MSO
3 stops26h 17mMultiple Airlines
Deal found 6/30$992

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 July 1, 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 8/16

5:30 am-1:39 pm

1 stop7h 09m

San Antonio

Wed 8/20

6:04 pm-11:49 pm

1 stop6h 45m

$341

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 12/12

6:35 am-5:58 pm

1 stop10h 23m

San Antonio

Mon 12/15

7:00 pm-1:52 pm

1 stop19h 52m

$372

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Sat 8/16

6:45 am-5:41 pm

2 stops9h 56m

San Antonio

Wed 8/20

5:00 am-3:23 pm

2 stops11h 23m

$431

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Tue 7/15

12:40 pm-10:38 pm

1 stop8h 58m

San Antonio

Sat 7/19

5:15 am-9:56 am

1 stop5h 41m

$461

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Tue 8/5

1:47 pm-11:11 pm

1 stop8h 24m

$176

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Tue 8/5

5:30 am-5:08 pm

2 stops10h 38m

$181

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Tue 8/5

4:23 pm-8:50 am

3 stops15h 27m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 July 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $341. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and American Airlines, with the lowest prices starting at $372 and $431, respectively. Delta is priced at 31% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Missoula to San Antonio one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $176. Users have also found prices from $181 and $383 on Delta and United Airlines, respectively.

  • 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

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$316Average$447FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$368Average$539FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$374Average$555FlexibilityNo cancel feeOn-time71%

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