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

Delta 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 51% 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 August 2026, there are 5 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.

$179 Cheap Flights from San Antonio to Montana in 2026

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.

6:04 pm - 10:46 pmSAT San Antonio-GTF Great Falls

5h 42m1 stop Salt Lake City

1:13 pm - 8:56 pmGTF Great Falls-SAT San Antonio

6h 43m1 stop Salt Lake City

$328Delta

Tue, Nov 10 - Sat, Nov 14

6:35 am - 12:38 pmSAT San Antonio-GTF Great Falls

7h 03m1 stop Salt Lake City

6:27 pm - 12:30 amGTF Great Falls-SAT San Antonio

5h 03m1 stop Salt Lake City

$328Delta

Thu, Oct 8 - Mon, Oct 12

5:30 am - 9:41 amSAT San Antonio-BIL Billings Logan Intl

5h 11m1 stop Denver Intl

5:57 pm - 11:57 pmBIL Billings Logan Intl-SAT San Antonio

5h 00m1 stop Denver Intl

$339United Airlines

Tue, Sep 15 - Tue, Sep 22

7:35 am - 5:16 pmSAT San Antonio-BIL Billings Logan Intl

10h 41m2 stops Houston George Bush Intcntl Denver Intl

2:29 pm - 8:52 pmBIL Billings Logan Intl-SAT San Antonio

5h 23m1 stop Denver Intl

$344United Airlines

Sat, Aug 29 - Wed, Sep 2

8:20 pm - 7:53 pmSAT San Antonio-FCA Kalispell Glacier Park

24h 33m2 stops Denver Intl Las Vegas Harry Reid Intl

8:46 pm - 2:20 pmFCA Kalispell Glacier Park-SAT San Antonio

16h 34m1 stop Las Vegas Harry Reid Intl

$352Multiple Airlines

Thu, Sep 10 - Mon, Sep 14

12:39 pm - 8:59 pmSAT San Antonio-MSO Missoula Johnson-Bell Field

9h 20m1 stop Las Vegas Harry Reid Intl

9:49 pm - 7:25 pmMSO Missoula Johnson-Bell Field-SAT San Antonio

44h 36m2 stops Las Vegas Harry Reid Intl Denver Intl

$361Multiple Airlines

Thu, Sep 17 - Sun, Sep 20

5:00 pm - 9:20 pmSAT San Antonio-BZN Bozeman Gallatin Field

5h 20m1 stop Denver Intl

6:55 am - 2:50 pmBZN Bozeman Gallatin Field-SAT San Antonio

6h 55m1 stop Las Vegas Harry Reid Intl

$387Southwest

Sat, Sep 12 - Wed, Sep 16

7:05 pm - 11:45 pmSAT San Antonio-BZN Bozeman Gallatin Field

5h 40m1 stop Las Vegas Harry Reid Intl

2:30 pm - 11:55 pmBZN Bozeman Gallatin Field-SAT San Antonio

8h 25m1 stop San Diego

$387Southwest

Mon, Sep 14 - Mon, Sep 21

5:00 am - 11:09 amSAT San Antonio-BZN Bozeman Gallatin Field

7h 09m1 stop Dallas/Fort Worth

6:30 am - 1:07 pmBZN Bozeman Gallatin Field-SAT San Antonio

5h 37m1 stop Dallas/Fort Worth

$387American Airlines

Sat, Sep 26 - Sat, Oct 3

5:00 am - 11:09 amSAT San Antonio-BZN Bozeman Gallatin Field

7h 09m1 stop Dallas/Fort Worth

4:16 pm - 10:50 pmBZN Bozeman Gallatin Field-SAT San Antonio

5h 34m1 stop Dallas/Fort Worth

$387American Airlines

Sun, Sep 13 - Fri, Sep 18

Cheap last minute flights

Enter your travel dates to find the best prices.

4:44 pm - 11:19 pmSAT San Antonio-BZN Bozeman Gallatin Field

7h 35m1 stop Seattle/Tacoma Intl

6:58 pm - 5:00 amBZN Bozeman Gallatin Field-SAT San Antonio

9h 02m1 stop Seattle/Tacoma Intl

$491Alaska Airlines

Mon, Aug 10 - Wed, Aug 12

6:04 pm - 11:16 pmSAT San Antonio-BZN Bozeman Gallatin Field

6h 12m1 stop Minneapolis St Paul

2:15 pm - 12:28 amBZN Bozeman Gallatin Field-SAT San Antonio

9h 13m1 stop Atlanta Hartsfield-Jackson

$491Delta

Mon, Aug 10 - Thu, Aug 13

6:00 am - 11:25 amSAT San Antonio-BZN Bozeman Gallatin Field

6h 25m1 stop Las Vegas Harry Reid Intl

2:30 pm - 11:55 pmBZN Bozeman Gallatin Field-SAT San Antonio

8h 25m1 stop San Diego

$491Southwest

Sun, Aug 9 - Fri, Aug 14

9:37 am - 5:10 pmSAT San Antonio-BZN Bozeman Gallatin Field

8h 33m2 stops Houston George Bush Intcntl Denver Intl

6:30 am - 12:43 pmBZN Bozeman Gallatin Field-SAT San Antonio

5h 13m1 stop Denver Intl

$496United Airlines

Sun, Aug 9 - Fri, Aug 14

2:15 pm - 9:14 pmSAT San Antonio-BZN Bozeman Gallatin Field

7h 59m2 stops Houston George Bush Intcntl Denver Intl

10:30 am - 4:55 pmBZN Bozeman Gallatin Field-SAT San Antonio

5h 25m1 stop Denver Intl

$496United Airlines

Mon, Aug 10 - Thu, Aug 13

12:39 pm - 4:56 pmSAT San Antonio-BTM Butte Silver Bow Co

5h 17m1 stop Salt Lake City

6:10 pm - 12:26 amBTM Butte Silver Bow Co-SAT San Antonio

5h 16m1 stop Salt Lake City

$504Delta

Sat, Aug 8 - Mon, Aug 10

4:44 pm - 11:19 pmSAT San Antonio-BZN Bozeman Gallatin Field

7h 35m1 stop Seattle/Tacoma Intl

4:04 pm - 5:00 amBZN Bozeman Gallatin Field-SAT San Antonio

11h 56m2 stops Portland Seattle/Tacoma Intl

$837Alaska Airlines

Sat, Aug 8 - Mon, Aug 10

4:44 pm - 11:19 pmSAT San Antonio-BZN Bozeman Gallatin Field

7h 35m1 stop Seattle/Tacoma Intl

6:03 am - 3:46 pmBZN Bozeman Gallatin Field-SAT San Antonio

8h 43m1 stop Seattle/Tacoma Intl

$918Alaska Airlines

Sat, Aug 8 - Sun, Aug 9

6:00 am - 1:55 pmSAT San Antonio-BZN Bozeman Gallatin Field

8h 55m2 stops Houston Hobby Denver Intl

1:35 pm - 9:55 pmBZN Bozeman Gallatin Field-SAT San Antonio

7h 20m2 stops Denver Intl Houston Hobby

$968Southwest

Fri, Aug 7 - Mon, Aug 10

5:00 am - 11:05 amSAT San Antonio-BZN Bozeman Gallatin Field

7h 05m1 stop Dallas/Fort Worth

1:35 pm - 11:59 pmBZN Bozeman Gallatin Field-SAT San Antonio

9h 24m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$1,031American Airlines

Fri, Aug 7 - Sun, Aug 9

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United Airlines flights from San Antonio to Montana

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

United Airlines

Aug 29

SAT7:35 amSan Antonio

10h 41m

2 stops

BIL5:16 pmBillings Logan Intl

Sep 2

BIL2:29 pmBillings Logan Intl

5h 23m

1 stop

SAT8:52 pmSan Antonio

$344

United Airlines

Aug 29

SAT9:30 amSan Antonio

8h 46m

2 stops

BIL5:16 pmBillings Logan Intl

Sep 2

BIL5:07 amBillings Logan Intl

7h 22m

2 stops

SAT1:29 pmSan Antonio

$349

United Airlines

Aug 25

SAT4:39 pmSan Antonio

5h 42m

1 stop

FCA9:21 pmKalispell Glacier Park

Sep 1

FCA5:04 pmKalispell Glacier Park

5h 53m

1 stop

SAT11:57 pmSan Antonio

$359

Southwest flights from San Antonio to Montana

Our best Southwest deals on San Antonio to Montana flight tickets

Southwest

Aug 29

SAT5:00 pmSan Antonio

5h 15m

1 stop

BZN9:15 pmBozeman Gallatin Field

Sep 1

BZN3:25 pmBozeman Gallatin Field

5h 00m

1 stop

SAT9:25 pmSan Antonio

$389

Southwest

Aug 29

SAT2:30 pmSan Antonio

7h 45m

2 stops

BZN9:15 pmBozeman Gallatin Field

Sep 1

BZN2:00 pmBozeman Gallatin Field

6h 25m

1 stop

SAT9:25 pmSan Antonio

$394

Southwest

Aug 29

SAT2:30 pmSan Antonio

7h 45m

2 stops

BZN9:15 pmBozeman Gallatin Field

Sep 1

BZN8:30 amBozeman Gallatin Field

8h 25m

2 stops

SAT5:55 pmSan Antonio

$399

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Tue 11/10

6:04 pm-10:46 pm

1 stop5h 42m

Great Falls

Sat 11/14

1:13 pm-8:56 pm

1 stop6h 43m

$328

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Thu 10/8

6:35 am-12:38 pm

1 stop7h 03m

Great Falls

Mon 10/12

6:27 pm-12:30 am

1 stop5h 03m

$328

Quickest round-trip

San AntonioBillings

SAT San Antonio - BIL Billings Logan Intl

SATBIL

San Antonio

Tue 9/15

5:30 am-9:41 am

1 stop5h 11m

Billings Logan Intl

Tue 9/22

5:57 pm-11:57 pm

1 stop5h 00m

$339

San AntonioBillings

SAT San Antonio - BIL Billings Logan Intl

SATBIL

San Antonio

Sat 8/29

7:35 am-5:16 pm

2 stops10h 41m

Billings Logan Intl

Wed 9/2

2:29 pm-8:52 pm

1 stop5h 23m

$344

San AntonioKalispell

SAT San Antonio - FCA Kalispell Glacier Park

SATFCA

San Antonio

Thu 9/10

8:20 pm-7:53 pm

2 stops24h 33m

Kalispell Glacier Park

Mon 9/14

8:46 pm-2:20 pm

1 stop16h 34m

$352

San AntonioMissoula

SAT San Antonio - MSO Missoula Johnson-Bell Field

SATMSO

San Antonio

Thu 9/17

12:39 pm-8:59 pm

1 stop9h 20m

Missoula Johnson-Bell Field

Sun 9/20

9:49 pm-7:25 pm

2 stops44h 36m

$361

San AntonioBozeman

SAT San Antonio - BZN Bozeman Gallatin Field

SATBZN

San Antonio

Sat 9/12

5:00 pm-9:20 pm

1 stop5h 20m

Bozeman Gallatin Field

Wed 9/16

6:55 am-2:50 pm

1 stop6h 55m

$387

San AntonioBozeman

SAT San Antonio - BZN Bozeman Gallatin Field

SATBZN

San Antonio

Mon 9/14

7:05 pm-11:45 pm

1 stop5h 40m

Bozeman Gallatin Field

Mon 9/21

2:30 pm-11:55 pm

1 stop8h 25m

$387

San AntonioBozeman

SAT San Antonio - BZN Bozeman Gallatin Field

SATBZN

San Antonio

Sat 9/26

5:00 am-11:09 am

1 stop7h 09m

Bozeman Gallatin Field

Sat 10/3

6:30 am-1:07 pm

1 stop5h 37m

$387

San AntonioBozeman

SAT San Antonio - BZN Bozeman Gallatin Field

SATBZN

San Antonio

Sun 9/13

5:00 am-11:09 am

1 stop7h 09m

Bozeman Gallatin Field

Fri 9/18

4:16 pm-10:50 pm

1 stop5h 34m

$387

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 October. Flight prices, which tend to average around $350, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Montana, with average flight prices from San Antonio averaging around $357.

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

Fastest flight time	5h 17m
Direct flights	None

The fastest flight from San Antonio to Montana takes 5h 17m

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 August 2026, there are 5 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 $128	Free Cancellation	Rating 7.8 8,493 reviews	Search Delta flights
United Airlines	PriceFrom $228	Free Cancellation	Rating 7.4 10,073 reviews	Search United Airlines flights
American Airlines	PriceFrom $256	Free Cancellation	Rating 7.1 11,866 reviews	Search American Airlines flights
Southwest	PriceFrom $290	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $313	Free Cancellation	Rating 7.9 12,772 reviews	Search Alaska Airlines 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.