What airlines fly to San Antonio?

United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to San Antonio from Missoula according to our data. United Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 3 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to San Antonio Airport?

Prices for flights from Missoula Johnson-Bell Field Airport to San Antonio Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to San Antonio Airport?

As of November 2025, there are 2 operators available to choose from for flights from Missoula Johnson-Bell Field Airport to San Antonio Airport.

How old do you have to be to fly from Missoula Johnson-Bell Field Airport to San Antonio Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missoula Johnson-Bell Field Airport to San Antonio Airport.

What documentation or ID do you need to fly to San Antonio Airport?

The necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$217 Cheap Flights from Missoula to San Antonio in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Missoula to San Antonio

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:16 pm - 12:37 amMSO-SAT

5h 21m1 stop

6:00 pm - 12:36 amSAT-MSO

7h 36m1 stop

$371Delta

Find Deal

Fri, Dec 12 - Mon, Dec 15

5:00 am - 5:20 pmMSO-SAT

11h 20m2 stops

6:00 pm - 12:36 amSAT-MSO

7h 36m1 stop

$376Delta

Find Deal

Fri, Dec 12 - Mon, Dec 15

2:35 pm - 11:45 pmMSO-SAT

8h 10m1 stop

7:00 am - 1:43 pmSAT-MSO

7h 43m1 stop

$414Alaska Airlines

Find Deal

Sat, Mar 28 - Sun, Apr 5

1:11 pm - 1:16 pmMSO-SAT

23h 05m1 stop

2:39 pm - 3:30 pmSAT-MSO

49h 51m2 stops

$430Multiple Airlines

Find Deal

Mon, Dec 22 - Wed, Dec 31

5:00 am - 5:20 pmMSO-SAT

11h 20m2 stops

11:51 am - 9:53 pmSAT-MSO

11h 02m2 stops

$451Delta

Find Deal

Fri, Dec 12 - Mon, Dec 15

5:25 am - 1:49 pmMSO-SAT

7h 24m1 stop

5:59 pm - 12:19 amSAT-MSO

7h 20m1 stop

$506Delta

Find Deal

Fri, Nov 14 - Mon, Nov 17

5:25 am - 1:49 pmMSO-SAT

7h 24m1 stop

11:50 am - 12:19 amSAT-MSO

13h 29m2 stops

$511Delta

Find Deal

Fri, Nov 14 - Mon, Nov 17

2:35 pm - 10:48 amMSO-SAT

19h 13m2 stops

8:55 am - 4:10 pmSAT-MSO

8h 15m1 stop

$569United Airlines

Find Deal

Sat, Mar 28 - Sun, Apr 5

5:20 pm - 11:57 pmMSO-SAT

5h 37m1 stop

5:45 am - 4:10 pmSAT-MSO

11h 25m2 stops

$583United Airlines

Find Deal

Sat, Mar 28 - Sun, Apr 5

2:35 pm - 11:45 pmMSO-SAT

8h 10m1 stop

7:00 pm - 1:09 pmSAT-MSO

19h 09m2 stops

$594Alaska Airlines

Find Deal

Sat, Mar 28 - Sun, Apr 5

Delta flights from Missoula to San Antonio

Our best Delta deals on Missoula to San Antonio flight tickets

Delta

Dec 12

MSO6:16 pmMissoula Johnson-Bell Field

5h 21m

1 stop

SAT12:37 amSan Antonio

Dec 15

SAT6:00 pmSan Antonio

7h 36m

1 stop

MSO12:36 amMissoula Johnson-Bell Field

$371

Find similar

Delta

Dec 12

MSO5:00 amMissoula Johnson-Bell Field

11h 20m

2 stops

SAT5:20 pmSan Antonio

Dec 15

SAT6:00 pmSan Antonio

7h 36m

1 stop

MSO12:36 amMissoula Johnson-Bell Field

$376

Find similar

Delta

Dec 12

MSO5:00 amMissoula Johnson-Bell Field

11h 20m

2 stops

SAT5:20 pmSan Antonio

Dec 15

SAT11:51 amSan Antonio

11h 02m

2 stops

MSO9:53 pmMissoula Johnson-Bell Field

$451

Find similar

Alaska Airlines flights from Missoula to San Antonio

Our best Alaska Airlines deals on Missoula to San Antonio flight tickets

Alaska Airlines

Mar 28

MSO2:35 pmMissoula Johnson-Bell Field

8h 10m

1 stop

SAT11:45 pmSan Antonio

Apr 5

SAT7:00 amSan Antonio

7h 43m

1 stop

MSO1:43 pmMissoula Johnson-Bell Field

$414

Find similar

Alaska Airlines

Mar 28

MSO2:35 pmMissoula Johnson-Bell Field

8h 10m

1 stop

SAT11:45 pmSan Antonio

Apr 5

SAT7:00 pmSan Antonio

19h 09m

2 stops

MSO1:09 pmMissoula Johnson-Bell Field

$594

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 12/12

6:16 pm-12:37 am

1 stop5h 21m

San Antonio

Mon 12/15

6:00 pm-12:36 am

1 stop7h 36m

$371

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 12/12

5:00 am-5:20 pm

2 stops11h 20m

San Antonio

Mon 12/15

6:00 pm-12:36 am

1 stop7h 36m

$376

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Sat 3/28

2:35 pm-11:45 pm

1 stop8h 10m

San Antonio

Sun 4/5

7:00 am-1:43 pm

1 stop7h 43m

$414

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Mon 12/22

1:11 pm-1:16 pm

1 stop23h 05m

San Antonio

Wed 12/31

2:39 pm-3:30 pm

2 stops49h 51m

$430

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 12/12

5:00 am-5:20 pm

2 stops11h 20m

San Antonio

Mon 12/15

11:51 am-9:53 pm

2 stops11h 02m

$451

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 11/14

5:25 am-1:49 pm

1 stop7h 24m

San Antonio

Mon 11/17

5:59 pm-12:19 am

1 stop7h 20m

$506

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 11/14

5:25 am-1:49 pm

1 stop7h 24m

San Antonio

Mon 11/17

11:50 am-12:19 am

2 stops13h 29m

$511

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Sat 3/28

2:35 pm-10:48 am

2 stops19h 13m

San Antonio

Sun 4/5

8:55 am-4:10 pm

1 stop8h 15m

$569

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Sat 3/28

5:20 pm-11:57 pm

1 stop5h 37m

San Antonio

Sun 4/5

5:45 am-4:10 pm

2 stops11h 25m

$583

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Sat 3/28

2:35 pm-11:45 pm

1 stop8h 10m

San Antonio

Sun 4/5

7:00 pm-1:09 pm

2 stops19h 09m

$594

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Missoula to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Missoula during May instead. Flights to San Antonio in May, while not as cheap as those in August, still average around $394.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Friday when prices can be found for as low as $334. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $736.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the afternoon. momondo users have found flights departing from Missoula to San Antonio in the afternoon for as low as $334. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $554. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Missoula to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Missoula to San Antonio according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Missoula to San Antonio (MSO to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missoula to San Antonio

Direct flights	None

There are no direct flights from Missoula to San Antonio. There are no popular flight routes from Missoula to San Antonio.

Search flight deals

How far is Missoula Johnson-Bell Field to San Antonio by plane?
The distance between Missoula Johnson-Bell Field and San Antonio is about 1463.7 mi. In terms of flight time, this usually takes a little over 5h 21m.
When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to San Antonio Airport?
Prices for flights from Missoula Johnson-Bell Field Airport to San Antonio Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to San Antonio Airport?
As of November 2025, there are 2 operators available to choose from for flights from Missoula Johnson-Bell Field Airport to San Antonio Airport.
How old do you have to be to fly from Missoula Johnson-Bell Field Airport to San Antonio Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missoula Johnson-Bell Field Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Missoula to San Antonio?
momondo data reveals that the most frequently booked airline on the route from Missoula to San Antonio is United Airlines, representing 62% of all bookings. The subsequent popular airline is Delta at 38%.

Best airlines flying from Missoula to San Antonio

Compare and see reviews for airlines that fly from Missoula to San Antonio with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $339	Free Cancellation	Rating 7.9 8,003 reviews		Search Delta flights
United Airlines	PriceFrom $368	Free Cancellation	Rating 7.4 9,002 reviews		Search United Airlines flights

New Braunfels

Boerne

Kerrville

Schertz

Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Missoula to San Antonio?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Antonio from Missoula.

Can I find flights from Missoula to San Antonio with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Antonio from Missoula with this policy.

How can momondo help me find flights from Missoula to San Antonio?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missoula to San Antonio.

I’m not ready to book a flight from Missoula to San Antonio right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from Missoula and alert you when they change.