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

Delta, Southwest, and United Airlines are the most popular carriers operating from San Antonio to Montana

What airlines fly to Montana?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Montana from San Antonio according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Montana. Keep in mind that there are 5 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from San Antonio Airport to Montana are updated daily.

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

As of November 2026, there are 4 operators available to choose from for flights from San Antonio Airport to Montana.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Montana.

What documentation or ID do you need to fly to Montana?

The necessary travel and health documents for your Montana 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.

$150 Cheap Flights from San Antonio to Montana in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Montana

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 am - 12:41 pmSAT San Antonio-GTF Great Falls

5h 56m1 stop Salt Lake City

6:19 pm - 12:31 amGTF Great Falls-SAT San Antonio

5h 12m1 stop Salt Lake City

$368Delta

Thu, Nov 26 - Thu, Dec 3

7:43 am - 12:39 pmSAT San Antonio-GTF Great Falls

5h 56m1 stop Salt Lake City

6:19 pm - 12:31 amGTF Great Falls-SAT San Antonio

5h 12m1 stop Salt Lake City

$368Delta

Thu, Dec 3 - Mon, Dec 7

9:00 am - 3:17 pmSAT San Antonio-FCA Kalispell Glacier Park

7h 17m1 stop San Francisco

2:29 pm - 11:37 pmFCA Kalispell Glacier Park-SAT San Antonio

8h 08m1 stop Denver Intl

$379United Airlines

Sat, Apr 17 - Sat, Apr 24

5:08 pm - 10:53 pmSAT San Antonio-FCA Kalispell Glacier Park

6h 45m1 stop Seattle/Tacoma Intl

7:00 am - 3:58 pmFCA Kalispell Glacier Park-SAT San Antonio

7h 58m1 stop Seattle/Tacoma Intl

$379Alaska Airlines

Wed, Jan 20 - Fri, Jan 22

5:30 am - 3:17 pmSAT San Antonio-FCA Kalispell Glacier Park

10h 47m2 stops Houston George Bush Intcntl San Francisco

2:29 pm - 9:07 pmFCA Kalispell Glacier Park-SAT San Antonio

5h 38m1 stop Denver Intl

$384United Airlines

Sat, Apr 17 - Sat, Apr 24

7:00 am - 1:02 pmSAT San Antonio-BZN Bozeman Gallatin Field

7h 02m1 stop Dallas/Fort Worth

1:52 pm - 8:59 pmBZN Bozeman Gallatin Field-SAT San Antonio

6h 07m1 stop Dallas/Fort Worth

$385American Airlines

Thu, Dec 10 - Tue, Dec 15

5:00 pm - 11:51 pmSAT San Antonio-BIL Billings Logan Intl

7h 51m1 stop Seattle/Tacoma Intl

7:00 am - 4:02 pmBIL Billings Logan Intl-SAT San Antonio

8h 02m1 stop Seattle/Tacoma Intl

$394Alaska Airlines

Sat, Jan 30 - Wed, Feb 3

2:30 pm - 9:55 pmSAT San Antonio-BZN Bozeman Gallatin Field

8h 25m2 stops Denver Intl Las Vegas Harry Reid Intl

11:20 am - 9:30 pmBZN Bozeman Gallatin Field-SAT San Antonio

9h 10m2 stops Denver Intl Phoenix Sky Harbor Intl

$461Southwest

Fri, Dec 11 - Tue, Dec 15

3:00 pm - 10:30 pmSAT San Antonio-BZN Bozeman Gallatin Field

8h 30m2 stops Dallas Love Field Denver Intl

11:20 am - 9:30 pmBZN Bozeman Gallatin Field-SAT San Antonio

9h 10m2 stops Denver Intl Phoenix Sky Harbor Intl

$461Southwest

Thu, Dec 10 - Tue, Dec 15

6:00 am - 12:52 pmSAT San Antonio-BZN Bozeman Gallatin Field

7h 52m1 stop Dallas/Fort Worth

1:52 pm - 11:02 pmBZN Bozeman Gallatin Field-SAT San Antonio

8h 10m1 stop Dallas/Fort Worth

$531American Airlines

Mon, Nov 16 - Fri, Nov 20

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American Airlines flights from San Antonio to Montana

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

American Airlines

Dec 24

SAT8:04 amSan Antonio

5h 43m

1 stop

BZN12:47 pmBozeman Gallatin Field

Dec 27

BZN1:37 pmBozeman Gallatin Field

8h 19m

1 stop

SAT10:56 pmSan Antonio

$498

American Airlines

Dec 23

SAT9:23 amSan Antonio

5h 53m

1 stop

BZN2:16 pmBozeman Gallatin Field

Dec 27

BZN1:37 pmBozeman Gallatin Field

8h 19m

1 stop

SAT10:56 pmSan Antonio

$519

American Airlines

Nov 16

SAT6:00 amSan Antonio

7h 52m

1 stop

BZN12:52 pmBozeman Gallatin Field

Nov 20

BZN1:52 pmBozeman Gallatin Field

8h 10m

1 stop

SAT11:02 pmSan Antonio

$531

United Airlines flights from San Antonio to Montana

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

United Airlines

Dec 10

SAT5:15 amSan Antonio

12h 35m

2 stops

BZN4:50 pmBozeman Gallatin Field

Dec 15

BZN6:30 amBozeman Gallatin Field

5h 16m

1 stop

SAT12:46 pmSan Antonio

$390

United Airlines

Dec 1

SAT8:45 amSan Antonio

6h 04m

1 stop

GTF1:49 pmGreat Falls

Dec 8

GTF6:30 amGreat Falls

11h 50m

2 stops

SAT7:20 pmSan Antonio

$418

United Airlines

Nov 17

SAT4:48 pmSan Antonio

5h 59m

1 stop

MSO9:47 pmMissoula Johnson-Bell Field

Nov 21

MSO2:37 pmMissoula Johnson-Bell Field

5h 16m

1 stop

SAT8:53 pmSan Antonio

$429

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Thu 11/26

7:45 am-12:41 pm

1 stop5h 56m

Great Falls

Thu 12/3

6:19 pm-12:31 am

1 stop5h 12m

$368

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Thu 12/3

7:43 am-12:39 pm

1 stop5h 56m

Great Falls

Mon 12/7

6:19 pm-12:31 am

1 stop5h 12m

$368

San AntonioKalispell

SAT San Antonio - FCA Kalispell Glacier Park

SATFCA

San Antonio

Sat 4/17

9:00 am-3:17 pm

1 stop7h 17m

Kalispell Glacier Park

Sat 4/24

2:29 pm-11:37 pm

1 stop8h 08m

$379

San AntonioKalispell

SAT San Antonio - FCA Kalispell Glacier Park

SATFCA

San Antonio

Wed 1/20

5:08 pm-10:53 pm

1 stop6h 45m

Kalispell Glacier Park

Fri 1/22

7:00 am-3:58 pm

1 stop7h 58m

$379

San AntonioKalispell

SAT San Antonio - FCA Kalispell Glacier Park

SATFCA

San Antonio

Sat 4/17

5:30 am-3:17 pm

2 stops10h 47m

Kalispell Glacier Park

Sat 4/24

2:29 pm-9:07 pm

1 stop5h 38m

$384

San AntonioBozeman

SAT San Antonio - BZN Bozeman Gallatin Field

SATBZN

San Antonio

Thu 12/10

7:00 am-1:02 pm

1 stop7h 02m

Bozeman Gallatin Field

Tue 12/15

1:52 pm-8:59 pm

1 stop6h 07m

$385

San AntonioBillings

SAT San Antonio - BIL Billings Logan Intl

SATBIL

San Antonio

Sat 1/30

5:00 pm-11:51 pm

1 stop7h 51m

Billings Logan Intl

Wed 2/3

7:00 am-4:02 pm

1 stop8h 02m

$394

San AntonioBozeman

SAT San Antonio - BZN Bozeman Gallatin Field

SATBZN

San Antonio

Fri 12/11

2:30 pm-9:55 pm

2 stops8h 25m

Bozeman Gallatin Field

Tue 12/15

11:20 am-9:30 pm

2 stops9h 10m

$461

San AntonioBozeman

SAT San Antonio - BZN Bozeman Gallatin Field

SATBZN

San Antonio

Thu 12/10

3:00 pm-10:30 pm

2 stops8h 30m

Bozeman Gallatin Field

Tue 12/15

11:20 am-9:30 pm

2 stops9h 10m

$461

San AntonioBozeman

SAT San Antonio - BZN Bozeman Gallatin Field

SATBZN

San Antonio

Mon 11/16

6:00 am-12:52 pm

1 stop7h 52m

Bozeman Gallatin Field

Fri 11/20

1:52 pm-11:02 pm

1 stop8h 10m

$531

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 San Antonio to Montana

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 Montana?

The cheapest month to fly to Montana from San Antonio is in May. Flight prices, which tend to average around $368, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Montana, with average flight prices from San Antonio averaging around $384.

Can stopping save me money on San Antonio to Montana flights?

You could potentially save up to 44% on your flight if you consider stops on a San Antonio to Montana flight.

Cheap San Antonio to Montana flight deals and tips

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

Best Price Found	$150
Fastest flight time	5h 16m
Direct flights	None

The best one-way flight to Montana from San Antonio in the past 72 hours is $150. The best round-trip flight deal from San Antonio to Montana found on momondo in the last 72 hours is $368.

The fastest flight from San Antonio to Montana takes 5h 16m

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

Search flight deals

Frequently asked questions about flying from San Antonio to Montana

When did momondo last update prices for flights from San Antonio Airport to Montana?
Prices for flights from San Antonio Airport to Montana are updated daily.
How many operators does momondo search for flights from San Antonio Airport to Montana?
As of November 2026, there are 4 operators available to choose from for flights from San Antonio Airport to Montana.
How old do you have to be to fly from San Antonio Airport to Montana?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Montana.
What documentation or ID do you need to fly to Montana?
The necessary travel and health documents for your Montana 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.

Best airlines flying from San Antonio to Montana

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $181	Free Cancellation	Rating 7.8 8,696 reviews	Search Delta flights
United Airlines	PriceFrom $255	Free Cancellation	Rating 7.3 10,460 reviews	Search United Airlines flights
American Airlines	PriceFrom $256	Free Cancellation	Rating 7.0 12,230 reviews	Search American Airlines flights
Southwest	PriceFrom $308	Free Cancellation	Rating 8.0 4,215 reviews	Search Southwest flights

Why use momondo?

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

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 Montana from San Antonio.

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

All flight searches from San Antonio to Montana on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between San Antonio and Montana by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Montana from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.