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 45% 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.

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

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

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 Kalispell to Austin takes 5h 23m on average. On the other hand, flying from Missoula to Austin takes 5h 36m 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.

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 July 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.

$146 Cheap Flights from Montana to San Antonio in 2025

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Find the cheapest flights from Montana to San Antonio

Round-trip

One-way

Last minute

Cheap round-trip flights

3:08 pm - 12:03 amBZN-SAT

7h 55m1 stop

6:27 am - 2:14 pmSAT-BZN

8h 47m1 stop

$274Hawaiian Airlines

Find Deal

Fri, Sep 12 - Fri, Sep 19

8:00 am - 5:55 pmBZN-SAT

8h 55m1 stop

6:32 am - 2:08 pmSAT-BZN

8h 36m1 stop

$290Hawaiian Airlines

Find Deal

Wed, Nov 5 - Sun, Nov 9

4:19 pm - 11:00 pmBZN-SAT

5h 41m1 stop

7:00 am - 12:49 pmSAT-BZN

6h 49m1 stop

$291American Airlines

Find Deal

Tue, Sep 9 - Mon, Sep 15

1:39 pm - 11:00 pmBZN-SAT

8h 21m2 stops

7:59 am - 3:07 pmSAT-BZN

8h 08m1 stop

$296American Airlines

Find Deal

Thu, Sep 4 - Sun, Sep 7

6:20 pm - 12:31 amMSO-SAT

5h 11m1 stop

6:07 pm - 12:17 amSAT-MSO

7h 10m1 stop

$316Delta

Find Deal

Tue, Oct 7 - Tue, Oct 14

6:20 pm - 12:31 amMSO-SAT

5h 11m1 stop

4:51 pm - 12:17 amSAT-MSO

8h 26m2 stops

$321Delta

Find Deal

Tue, Oct 7 - Tue, Oct 14

3:42 pm - 6:12 pmBZN-SAT

25h 30m3 stops

9:47 pm - 10:39 amSAT-BZN

13h 52m1 stop

$322

Find Deal

Sun, Sep 14 - Wed, Sep 17

6:00 am - 5:55 pmBIL-SAT

10h 55m1 stop

6:20 am - 12:28 amSAT-BIL

19h 08m1 stop

$337Alaska Airlines

Find Deal

Tue, Nov 18 - Fri, Nov 21

5:10 am - 5:55 pmBZN-SAT

11h 45m2 stops

6:32 am - 2:08 pmSAT-BZN

8h 36m1 stop

$342Alaska Airlines

Find Deal

Wed, Nov 5 - Sun, Nov 9

10:14 am - 6:36 pmGTF-SAT

7h 22m1 stop

12:39 pm - 9:36 amSAT-GTF

21h 57m2 stops

$389

Find Deal

Mon, Aug 11 - Thu, Aug 14

American Airlines flights from Montana to San Antonio

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

American Airlines

Sep 9

BZN4:19 pmBozeman Gallatin Field

5h 41m

1 stop

SAT11:00 pmSan Antonio

Sep 15

SAT7:00 amSan Antonio

6h 49m

1 stop

BZN12:49 pmBozeman Gallatin Field

$291

Find similar

American Airlines

Sep 4

BZN1:39 pmBozeman Gallatin Field

8h 21m

2 stops

SAT11:00 pmSan Antonio

Sep 7

SAT7:59 amSan Antonio

8h 08m

1 stop

BZN3:07 pmBozeman Gallatin Field

$296

Find similar

American Airlines

Sep 30

BIL1:59 pmBillings Logan Intl

8h 01m

1 stop

SAT11:00 pmSan Antonio

Oct 5

SAT7:00 amSan Antonio

7h 29m

1 stop

BIL1:29 pmBillings Logan Intl

$325

Find similar

Delta flights from Montana to San Antonio

Our best Delta deals on Montana to San Antonio flight tickets

Delta

Oct 7

MSO6:20 pmMissoula Johnson-Bell Field

5h 11m

1 stop

SAT12:31 amSan Antonio

Oct 14

SAT6:07 pmSan Antonio

7h 10m

1 stop

MSO12:17 amMissoula Johnson-Bell Field

$316

Find similar

Delta

Oct 7

MSO6:20 pmMissoula Johnson-Bell Field

5h 11m

1 stop

SAT12:31 amSan Antonio

Oct 14

SAT4:51 pmSan Antonio

8h 26m

2 stops

MSO12:17 amMissoula Johnson-Bell Field

$321

Find similar

Delta

Oct 14

GTF6:09 pmGreat Falls

5h 22m

1 stop

SAT12:31 amSan Antonio

Oct 21

SAT7:30 amSan Antonio

5h 58m

1 stop

GTF12:28 pmGreat Falls

$330

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Fri 9/12

3:08 pm-12:03 am

1 stop7h 55m

San Antonio

Fri 9/19

6:27 am-2:14 pm

1 stop8h 47m

$274

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Wed 11/5

8:00 am-5:55 pm

1 stop8h 55m

San Antonio

Sun 11/9

6:32 am-2:08 pm

1 stop8h 36m

$290

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Tue 9/9

4:19 pm-11:00 pm

1 stop5h 41m

San Antonio

Mon 9/15

7:00 am-12:49 pm

1 stop6h 49m

$291

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 9/4

1:39 pm-11:00 pm

2 stops8h 21m

San Antonio

Sun 9/7

7:59 am-3:07 pm

1 stop8h 08m

$296

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Tue 10/7

6:20 pm-12:31 am

1 stop5h 11m

San Antonio

Tue 10/14

6:07 pm-12:17 am

1 stop7h 10m

$316

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Tue 10/7

6:20 pm-12:31 am

1 stop5h 11m

San Antonio

Tue 10/14

4:51 pm-12:17 am

2 stops8h 26m

$321

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Sun 9/14

3:42 pm-6:12 pm

3 stops25h 30m

San Antonio

Wed 9/17

9:47 pm-10:39 am

1 stop13h 52m

$322

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 11/18

6:00 am-5:55 pm

1 stop10h 55m

San Antonio

Fri 11/21

6:20 am-12:28 am

1 stop19h 08m

$337

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Wed 11/5

5:10 am-5:55 pm

2 stops11h 45m

San Antonio

Sun 11/9

6:32 am-2:08 pm

1 stop8h 36m

$342

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Mon 8/11

10:14 am-6:36 pm

1 stop7h 22m

San Antonio

Thu 8/14

12:39 pm-9:36 am

2 stops21h 57m

$389

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

Best Price Found	$146
Fastest flight time	4h 45m
Direct flights	None
Airports in San Antonio	1 airport

The best one-way flight to San Antonio from Montana in the past 72 hours is $146. The best round-trip flight deal from Montana to San Antonio found on momondo in the last 72 hours is $274.

The fastest flight from Montana to San Antonio takes 4h 45m

There are no direct flights from Montana to San Antonio. Popular non-direct routes for this connection are Missoula Johnson-Bell Field Airport - San Antonio Airport, Great Falls Airport - San Antonio Airport and Bozeman Gallatin Field Airport - San Antonio Airport.

There is 1 airport near San Antonio: San Antonio (SAT)

Search flight deals

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 July 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
American Airlines	PriceFrom $246	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $247	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
Delta	PriceFrom $264	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $319	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights

New Braunfels

Kerrville

Boerne

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.