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

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

What airlines fly to Montana?

United Airlines, Delta and American Airlines 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 45% 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 May 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.

$145 Cheap Flights from San Antonio to Montana in 2026

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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.

12:39 pm - 5:14 pm

SAT

BZN

5h 35m

1 stop

6:00 am - 1:31 pm

BZN

SAT

6h 31m

1 stop

$289Delta

Sat, Aug 1 - Fri, Aug 7

6:00 pm - 1:10 am

SAT

BZN

8h 10m

2 stops

2:50 pm - 11:05 pm

BZN

SAT

7h 15m

1 stop

$294Southwest

Fri, Jun 5 - Thu, Jun 11

5:30 am - 9:37 am

SAT

BZN

5h 07m

1 stop

5:38 pm - 11:55 pm

BZN

SAT

5h 17m

1 stop

$299United Airlines

Tue, Jun 2 - Mon, Jun 8

4:44 pm - 11:19 pm

SAT

BZN

7h 35m

1 stop

3:05 pm - 5:00 am

BZN

SAT

12h 55m

1 stop

$303Alaska Airlines

Tue, Aug 4 - Sat, Aug 8

4:44 pm - 11:19 pm

SAT

BZN

7h 35m

1 stop

6:03 am - 3:46 pm

BZN

SAT

8h 43m

1 stop

$329Alaska Airlines

Thu, Jul 30 - Wed, Aug 5

5:30 am - 9:37 am

SAT

BZN

5h 07m

1 stop

10:33 am - 10:42 pm

BZN

SAT

11h 09m

2 stops

$339United Airlines

Tue, Jun 2 - Tue, Jun 9

6:04 am - 12:49 pm

SAT

MSO

7h 45m

1 stop

2:18 pm - 11:05 pm

MSO

SAT

7h 47m

1 stop

$369American Airlines

Mon, Jun 1 - Sat, Jun 6

5:00 am - 4:03 pm

SAT

FCA

12h 03m

2 stops

3:51 pm - 11:59 pm

FCA

SAT

7h 08m

1 stop

$384American Airlines

Tue, Jun 2 - Tue, Jun 9

8:59 pm - 9:34 am

SAT

GTF

13h 35m

1 stop

10:19 am - 6:54 pm

GTF

SAT

31h 35m

2 stops

$489Multiple Airlines

Thu, Jul 23 - Mon, Jul 27

8:56 pm - 9:28 am

SAT

GTF

13h 32m

1 stop

9:05 pm - 6:56 pm

GTF

SAT

20h 51m

2 stops

$499Multiple Airlines

Thu, Jun 25 - Sun, Jun 28

Delta flights from San Antonio to Montana

Our best Delta deals on San Antonio to Montana flight tickets

Delta

Aug 1

SAT12:39 pmSan Antonio

5h 35m

1 stop

BZN5:14 pmBozeman Gallatin Field

Aug 7

BZN6:00 amBozeman Gallatin Field

6h 31m

1 stop

SAT1:31 pmSan Antonio

$289

Delta

Sep 26

SAT6:05 pmSan Antonio

6h 54m

1 stop

BZN11:59 pmBozeman Gallatin Field

Oct 3

BZN5:45 amBozeman Gallatin Field

6h 46m

1 stop

SAT1:31 pmSan Antonio

$309

Delta

Sep 4

SAT6:05 pmSan Antonio

5h 39m

1 stop

GTF10:44 pmGreat Falls

Sep 7

GTF6:20 pmGreat Falls

5h 24m

1 stop

SAT12:44 amSan Antonio

$318

American Airlines flights from San Antonio to Montana

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

American Airlines

Oct 17

SAT5:00 amSan Antonio

11h 22m

2 stops

BZN3:22 pmBozeman Gallatin Field

Oct 24

BZN1:40 pmBozeman Gallatin Field

8h 15m

1 stop

SAT10:55 pmSan Antonio

$314

American Airlines

Jul 13

SAT2:48 pmSan Antonio

6h 52m

1 stop

BZN8:40 pmBozeman Gallatin Field

Jul 18

BZN6:44 amBozeman Gallatin Field

7h 12m

1 stop

SAT2:56 pmSan Antonio

$353

American Airlines

Jun 1

SAT6:04 amSan Antonio

7h 45m

1 stop

MSO12:49 pmMissoula Johnson-Bell Field

Jun 6

MSO2:18 pmMissoula Johnson-Bell Field

7h 47m

1 stop

SAT11:05 pmSan Antonio

$369

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioBozeman

SAT - BZN

SATBZN

San Antonio

Sat 8/1

12:39 pm-5:14 pm

1 stop5h 35m

Bozeman Gallatin Field

Fri 8/7

6:00 am-1:31 pm

1 stop6h 31m

$289

San AntonioBozeman

SAT - BZN

SATBZN

San Antonio

Fri 6/5

6:00 pm-1:10 am

2 stops8h 10m

Bozeman Gallatin Field

Thu 6/11

2:50 pm-11:05 pm

1 stop7h 15m

$294

Quickest round-trip

San AntonioBozeman

SAT - BZN

SATBZN

San Antonio

Tue 6/2

5:30 am-9:37 am

1 stop5h 07m

Bozeman Gallatin Field

Mon 6/8

5:38 pm-11:55 pm

1 stop5h 17m

$299

San AntonioBozeman

SAT - BZN

SATBZN

San Antonio

Tue 8/4

4:44 pm-11:19 pm

1 stop7h 35m

Bozeman Gallatin Field

Sat 8/8

3:05 pm-5:00 am

1 stop12h 55m

$303

San AntonioBozeman

SAT - BZN

SATBZN

San Antonio

Thu 7/30

4:44 pm-11:19 pm

1 stop7h 35m

Bozeman Gallatin Field

Wed 8/5

6:03 am-3:46 pm

1 stop8h 43m

$329

San AntonioBozeman

SAT - BZN

SATBZN

San Antonio

Tue 6/2

5:30 am-9:37 am

1 stop5h 07m

Bozeman Gallatin Field

Tue 6/9

10:33 am-10:42 pm

2 stops11h 09m

$339

San AntonioMissoula

SAT - MSO

SATMSO

San Antonio

Mon 6/1

6:04 am-12:49 pm

1 stop7h 45m

Missoula Johnson-Bell Field

Sat 6/6

2:18 pm-11:05 pm

1 stop7h 47m

$369

San AntonioKalispell

SAT - FCA

SATFCA

San Antonio

Tue 6/2

5:00 am-4:03 pm

2 stops12h 03m

Kalispell Glacier Park

Tue 6/9

3:51 pm-11:59 pm

1 stop7h 08m

$384

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Thu 7/23

8:59 pm-9:34 am

1 stop13h 35m

Great Falls

Mon 7/27

10:19 am-6:54 pm

2 stops31h 35m

$489

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Thu 6/25

8:56 pm-9:28 am

1 stop13h 32m

Great Falls

Sun 6/28

9:05 pm-6:56 pm

2 stops20h 51m

$499

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 August. Flight prices, which tend to average around $128, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Montana, with average flight prices from San Antonio averaging around $149.

How far in advance should I book a flight from San Antonio to Montana?

You are more likely to see cheaper flights to Montana from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Montana for around $367 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montana from San Antonio for as low as $228 on momondo.

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

You could potentially save up to 46% 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	4h 55m
Direct flights	None

The fastest flight from San Antonio to Montana takes 4h 55m

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 May 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 7.9 8,459 reviews	Search Delta flights
United Airlines	PriceFrom $228	Free Cancellation	Rating 7.4 9,690 reviews	Search United Airlines flights
American Airlines	PriceFrom $256	Free Cancellation	Rating 7.1 11,669 reviews	Search American Airlines flights
Southwest	PriceFrom $290	Free Cancellation	Rating 7.9 4,301 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $313	Free Cancellation	Rating 7.9 12,336 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.