What airlines fly to San Antonio?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to San Antonio from Montana according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 5 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to San Antonio?

Flight times vary depending on what airport in Montana you fly out of and what airport in San Antonio you fly into. For example, flying from Bozeman to Austin takes 4h 53m on average. On the other hand, flying from Billings to Austin takes 5h 07m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What is the cheapest airline that flies from Montana to San Antonio?

Hawaiian Airlines, American Airlines, and Delta are the most popular carriers operating from Montana to San Antonio

When did momondo last update prices for flights from Montana to San Antonio Airport?

Prices for flights from Montana to San Antonio Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Montana to San Antonio Airport?

The number of operators available for flights from Montana to San Antonio Airport is 4 as of November 2025.

How old do you have to be to fly from Montana 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 Montana to San Antonio Airport.

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

The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$114 Cheap Flights from Montana to San Antonio in 2025/26

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Find the cheapest flights from Montana to San Antonio

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One-way

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Cheap round-trip flights

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7:00 am - 4:47 pmBZN-SAT

8h 47m1 stop

6:06 am - 12:50 pmSAT-BZN

7h 44m1 stop

$229American Airlines

Find Deal

Fri, Jan 9 - Mon, Jan 12

9:24 am - 12:20 amMSO-SAT

13h 56m2 stops

4:54 pm - 9:36 pmSAT-MSO

29h 42m1 stop

$237Multiple Airlines

Find Deal

Thu, Nov 20 - Wed, Dec 3

2:58 pm - 11:58 pmBZN-SAT

8h 00m1 stop

6:00 am - 2:04 pmSAT-BZN

9h 04m1 stop

$242Alaska Airlines

Find Deal

Thu, Dec 11 - Mon, Dec 15

2:36 pm - 12:34 amBZN-SAT

8h 58m1 stop

6:25 am - 1:12 pmSAT-BZN

7h 47m1 stop

$257Delta

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Thu, Dec 11 - Tue, Dec 16

10:56 am - 10:10 amGTF-SAT

22h 14m2 stops

1:50 pm - 2:02 pmSAT-GTF

25h 12m1 stop

$258Multiple Airlines

Find Deal

Fri, Nov 21 - Tue, Nov 25

2:16 pm - 9:19 pmBZN-SAT

6h 03m1 stop

5:59 pm - 12:10 amSAT-BZN

7h 11m1 stop

$269Delta

Find Deal

Thu, Nov 20 - Mon, Nov 24

5:30 am - 1:47 pmBZN-SAT

7h 17m1 stop

12:46 pm - 10:26 pmSAT-BZN

10h 40m2 stops

$284Delta

Find Deal

Thu, Dec 11 - Tue, Dec 16

2:58 pm - 11:58 pmBZN-SAT

8h 00m1 stop

6:00 am - 3:18 pmSAT-BZN

10h 18m2 stops

$301Alaska Airlines

Find Deal

Thu, Dec 11 - Tue, Dec 16

2:37 pm - 10:57 pmMSO-SAT

7h 20m2 stops

4:43 pm - 9:51 pmSAT-MSO

6h 08m1 stop

$372United Airlines

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Wed, Feb 4 - Mon, Feb 9

6:15 am - 1:08 pmHLN-SAT

5h 53m1 stop

11:43 am - 9:16 pmSAT-HLN

10h 33m2 stops

$405United Airlines

Find Deal

Thu, Feb 26 - Sun, Mar 1

Alaska Airlines flights from Montana to San Antonio

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

Alaska Airlines

Dec 11

BZN2:58 pmBozeman Gallatin Field

8h 00m

1 stop

SAT11:58 pmSan Antonio

Dec 15

SAT6:00 amSan Antonio

9h 04m

1 stop

BZN2:04 pmBozeman Gallatin Field

$242

Find similar

Alaska Airlines

Dec 11

BZN2:58 pmBozeman Gallatin Field

8h 00m

1 stop

SAT11:58 pmSan Antonio

Dec 16

SAT6:00 amSan Antonio

10h 18m

2 stops

BZN3:18 pmBozeman Gallatin Field

$301

Find similar

Alaska Airlines

Jan 24

BZN7:20 amBozeman Gallatin Field

9h 25m

1 stop

SAT5:45 pmSan Antonio

Jan 29

SAT6:46 pmSan Antonio

19h 20m

2 stops

BZN1:06 pmBozeman Gallatin Field

$311

Find similar

United Airlines flights from Montana to San Antonio

Our best United Airlines deals on Montana to San Antonio flight tickets

United Airlines

Nov 14

BZN6:35 amBozeman Gallatin Field

5h 21m

1 stop

SAT12:56 pmSan Antonio

Nov 16

SAT5:30 amSan Antonio

11h 00m

2 stops

BZN3:30 pmBozeman Gallatin Field

$364

Find similar

United Airlines

Feb 4

MSO2:37 pmMissoula Johnson-Bell Field

7h 20m

2 stops

SAT10:57 pmSan Antonio

Feb 9

SAT4:43 pmSan Antonio

6h 08m

1 stop

MSO9:51 pmMissoula Johnson-Bell Field

$372

Find similar

United Airlines

Nov 15

BZN2:43 pmBozeman Gallatin Field

5h 16m

1 stop

SAT8:59 pmSan Antonio

Nov 19

SAT2:14 pmSan Antonio

8h 26m

2 stops

BZN9:40 pmBozeman Gallatin Field

$399

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Fri 1/9

7:00 am-4:47 pm

1 stop8h 47m

San Antonio

Mon 1/12

6:06 am-12:50 pm

1 stop7h 44m

$229

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 11/20

9:24 am-12:20 am

2 stops13h 56m

San Antonio

Wed 12/3

4:54 pm-9:36 pm

1 stop29h 42m

$237

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 12/11

2:58 pm-11:58 pm

1 stop8h 00m

San Antonio

Mon 12/15

6:00 am-2:04 pm

1 stop9h 04m

$242

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 12/11

2:36 pm-12:34 am

1 stop8h 58m

San Antonio

Tue 12/16

6:25 am-1:12 pm

1 stop7h 47m

$257

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Fri 11/21

10:56 am-10:10 am

2 stops22h 14m

San Antonio

Tue 11/25

1:50 pm-2:02 pm

1 stop25h 12m

$258

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 11/20

2:16 pm-9:19 pm

1 stop6h 03m

San Antonio

Mon 11/24

5:59 pm-12:10 am

1 stop7h 11m

$269

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 12/11

5:30 am-1:47 pm

1 stop7h 17m

San Antonio

Tue 12/16

12:46 pm-10:26 pm

2 stops10h 40m

$284

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 12/11

2:58 pm-11:58 pm

1 stop8h 00m

San Antonio

Tue 12/16

6:00 am-3:18 pm

2 stops10h 18m

$301

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Wed 2/4

2:37 pm-10:57 pm

2 stops7h 20m

San Antonio

Mon 2/9

4:43 pm-9:51 pm

1 stop6h 08m

$372

HelenaSan Antonio

HLN - SAT

HLNSAT

Helena

Thu 2/26

6:15 am-1:08 pm

1 stop5h 53m

San Antonio

Sun 3/1

11:43 am-9:16 pm

2 stops10h 33m

$405

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montana 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

Other information

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 Wednesday when prices can be found for as low as $418. 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 Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $562.

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 Montana to San Antonio in the afternoon for as low as $403. 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 $519. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Montana to San Antonio flight deals and tips

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

Direct flights	None

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

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When did momondo last update prices for flights from Montana to San Antonio Airport?
Prices for flights from Montana to San Antonio Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Montana to San Antonio Airport?
The number of operators available for flights from Montana to San Antonio Airport is 4 as of November 2025.
How old do you have to be to fly from Montana 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 Montana to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to San Antonio

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $247	Free Cancellation	Rating 8.0 4,241 reviews	Search Southwest flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
United Airlines	PriceFrom $284	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
American Airlines	PriceFrom $290	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights

New Braunfels

Boerne

Kerrville

Schertz

Pleasanton

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montana to San Antonio. momondo saves you time and could save you money on your trip.

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

Yes. All flights to San Antonio from Montana on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Montana 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 Montana to San Antonio.

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

Yes momondo offers price alerts on flights to San Antonio from Montana. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.