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$131+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SAT
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
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 June 8, 2026.

This United Airlines deal was found by Cheapflights users on 6/5. 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 7/46:05 am
MSO
-
SAT
1 stop5h 38m
United Airlines
Fri 7/104:35 pm
SAT
-
MSO
1 stop6h 04m
United Airlines
Deal found 6/5$471
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Thu 6/117:03 am
MSO
-
SAT
1 stop7h 43m
Alaska Airlines
Mon 6/154:44 pm
SAT
-
MSO
1 stop8h 12m
Alaska Airlines
Deal found 6/7$489
This Delta deal was found by Cheapflights users on 6/7. 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 7/25:31 am
MSO
-
SAT
1 stop7h 09m
Delta
Tue 7/76:05 pm
SAT
-
MSO
1 stop6h 39m
Delta
Deal found 6/7$494
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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 10/307:00 am
MSO
-
SAT
2 stops14h 04m
Alaska Airlines
Tue 11/310:33 am
SAT
-
MSO
2 stops11h 52m
Alaska Airlines
Deal found 6/3$509
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Thu 6/42:15 pm
MSO
-
SAT
1 stop5h 51m
American Airlines
Sun 6/75:01 am
SAT
-
MSO
2 stops12h 13m
American Airlines
Deal found 6/4$518
This Delta deal was found by Cheapflights users on 6/4. 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 6/65:30 am
MSO
-
SAT
1 stop7h 50m
Delta
Sun 6/76:05 am
SAT
-
MSO
1 stop9h 34m
Delta
Deal found 6/4$519
This American Airlines deal was found by Cheapflights users on 6/4. 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 6/66:45 am
MSO
-
SAT
1 stop7h 11m
American Airlines
Sun 6/75:01 am
SAT
-
MSO
2 stops12h 13m
American Airlines
Deal found 6/4$548

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 June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$471
(United Airlines)

One-way from

$131
(Kiwi.com)

Popular in

July

Cheapest in

August

Average price

$451
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
Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 8, 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

Price

Cheapest round-trip
Quickest round-trip

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Sat 7/4

6:05 am-12:43 pm

1 stop5h 38m

San Antonio

Fri 7/10

4:35 pm-9:39 pm

1 stop6h 04m

$471

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 7/2

5:31 am-1:40 pm

1 stop7h 09m

San Antonio

Tue 7/7

6:05 pm-11:44 pm

1 stop6h 39m

$494

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 10/30

7:00 am-10:04 pm

2 stops14h 04m

San Antonio

Tue 11/3

10:33 am-9:25 pm

2 stops11h 52m

$509

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 7/2

5:20 pm-11:55 pm

1 stop5h 35m

San Antonio

Tue 7/7

1:39 pm-11:56 pm

2 stops11h 17m

$554
Cheapest one-way

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 8/13

10:24 am-8:37 pm

1 stop9h 13m

$131

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 6/18

2:15 pm-10:00 pm

1 stop6h 45m

$245
Quickest one-way

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 7/9

6:27 pm-12:26 am

1 stop4h 59m

$275

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 6/18

10:25 am-6:56 pm

2 stops31h 31m

$445

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 7/9

10:24 am-8:56 am

3 stops21h 32m

$446

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 7/9

6:05 am-7:50 pm

2 stops12h 45m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

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 June.
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, August is the cheapest month in which you can book a flight from Missoula to San Antonio (average of $350). Flying from Missoula to San Antonio in July is currently the most expensive (average of $608). 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?

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 June 8, 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
8,396 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,396 reviews
Delta
7.9
Good
8,396 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,781 reviews
Delta
7.9
Good
8,396 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 38m. United Airlines provides one of the quickest options available for as low as $471. 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 United Airlines is currently your cheapest option to San Antonio, with prices starting at $288. Another option worth looking into is Delta, starting at $289 round trip. United Airlines is priced at 36% 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 $350). Flying from Missoula to San Antonio in July is currently the most expensive (average of $608). 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

Browse thousands of different options on Cheapflights for your next trip

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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 June 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$288Average$468FlexibilityNo cancel feeOn-time69%
DeltaCheapest$289Average$428FlexibilityNo cancel feeOn-timeN/A

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