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Cheap flights from Montana to San Antonio from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to San Antonio departing on 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Montana to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
10:55 am - 7:40 pm
BZN
-
SAT
7h 45m
1 stop
Southwest Logo
7:15 pm - 12:15 am
SAT
-
BZN
6h 00m
1 stop
$212Southwest
Thu, Apr 16 - Wed, Apr 22
Southwest Logo
6:15 am - 3:50 pm
BZN
-
SAT
8h 35m
2 stops
Southwest Logo
6:20 am - 10:40 am
SAT
-
BZN
5h 20m
1 stop
$217Southwest
Thu, Apr 16 - Wed, Apr 22
Southwest Logo
6:15 am - 3:50 pm
BZN
-
SAT
8h 35m
2 stops
Southwest Logo
4:55 pm - 12:15 am
SAT
-
BZN
8h 20m
2 stops
$222Southwest
Thu, Apr 16 - Wed, Apr 22
Southwest Logo
4:20 pm - 10:55 pm
BZN
-
SAT
5h 35m
1 stop
Southwest Logo
7:15 pm - 12:15 am
SAT
-
BZN
6h 00m
1 stop
$229Southwest
Fri, May 1 - Tue, May 5
Delta Logo
2:53 pm - 12:46 am
BZN
-
SAT
8h 53m
1 stop
Delta Logo
6:20 am - 1:36 pm
SAT
-
BZN
8h 16m
1 stop
$257Delta
Sat, Apr 18 - Sat, Apr 25
Delta Logo
2:53 pm - 12:46 am
BZN
-
SAT
8h 53m
1 stop
Delta Logo
7:00 am - 11:04 am
SAT
-
BZN
5h 04m
1 stop
$261Delta
Fri, Apr 17 - Tue, Apr 28
Multiple Airlines Logo
11:42 am - 3:09 pm
GTF
-
SAT
26h 27m
2 stops
Multiple Airlines Logo
12:46 pm - 10:52 am
SAT
-
GTF
23h 06m
1 stop
$341Multiple Airlines
Mon, Apr 20 - Thu, Apr 23
United Airlines Logo
2:35 pm - 8:42 pm
BIL
-
SAT
5h 07m
1 stop
United Airlines Logo
8:45 am - 1:23 pm
SAT
-
BIL
5h 38m
1 stop
$349United Airlines
Thu, Apr 16 - Sat, Apr 18
United Airlines Logo
2:25 pm - 8:42 pm
HLN
-
SAT
5h 17m
1 stop
United Airlines Logo
4:45 pm - 9:33 pm
SAT
-
HLN
5h 48m
1 stop
$349United Airlines
Thu, Apr 23 - Mon, Apr 27
American Airlines Logo
2:18 pm - 11:06 pm
MSO
-
SAT
7h 48m
1 stop
American Airlines Logo
5:35 pm - 10:38 pm
SAT
-
MSO
6h 03m
1 stop
$349American Airlines
Fri, May 22 - Sun, May 24

Delta flights from Montana to San Antonio

Our best Delta deals on Montana to San Antonio flight tickets
Delta
Apr 18
BZN2:53 pmBozeman Gallatin Field
8h 53m
1 stop
SAT12:46 amSan Antonio
Apr 25
SAT6:20 amSan Antonio
8h 16m
1 stop
BZN1:36 pmBozeman Gallatin Field
$257
Delta
Apr 17
BZN2:53 pmBozeman Gallatin Field
8h 53m
1 stop
SAT12:46 amSan Antonio
Apr 28
SAT7:00 amSan Antonio
5h 04m
1 stop
BZN11:04 amBozeman Gallatin Field
$261
Delta
Apr 19
BZN2:53 pmBozeman Gallatin Field
8h 53m
1 stop
SAT12:46 amSan Antonio
Apr 27
SAT6:05 pmSan Antonio
7h 04m
1 stop
BZN12:09 amBozeman Gallatin Field
$273

United Airlines flights from Montana to San Antonio

Our best United Airlines deals on Montana to San Antonio flight tickets
United Airlines
Apr 10
BZN2:40 pmBozeman Gallatin Field
5h 02m
1 stop
SAT8:42 pmSan Antonio
Apr 14
SAT4:45 pmSan Antonio
5h 47m
1 stop
BZN9:32 pmBozeman Gallatin Field
$334
United Airlines
Apr 10
BZN2:40 pmBozeman Gallatin Field
5h 02m
1 stop
SAT8:42 pmSan Antonio
Apr 14
SAT11:46 amSan Antonio
10h 46m
2 stops
BZN9:32 pmBozeman Gallatin Field
$339
United Airlines
Apr 23
HLN2:25 pmHelena
5h 17m
1 stop
SAT8:42 pmSan Antonio
Apr 27
SAT4:45 pmSan Antonio
5h 48m
1 stop
HLN9:33 pmHelena
$349

momondo Fare Finder

 
Customize your flight search to find flights from Montana to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 28, 2026.
Use the filters below to find and compare flights from Montana to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 4/16

10:55 am-7:40 pm

1 stop7h 45m

San Antonio

Wed 4/22

7:15 pm-12:15 am

1 stop6h 00m

$212

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 4/16

6:15 am-3:50 pm

2 stops8h 35m

San Antonio

Wed 4/22

6:20 am-10:40 am

1 stop5h 20m

$217

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 4/16

6:15 am-3:50 pm

2 stops8h 35m

San Antonio

Wed 4/22

4:55 pm-12:15 am

2 stops8h 20m

$222

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Fri 5/1

4:20 pm-10:55 pm

1 stop5h 35m

San Antonio

Tue 5/5

7:15 pm-12:15 am

1 stop6h 00m

$229

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Sat 4/18

2:53 pm-12:46 am

1 stop8h 53m

San Antonio

Sat 4/25

6:20 am-1:36 pm

1 stop8h 16m

$257

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Fri 4/17

2:53 pm-12:46 am

1 stop8h 53m

San Antonio

Tue 4/28

7:00 am-11:04 am

1 stop5h 04m

$261

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Mon 4/20

11:42 am-3:09 pm

2 stops26h 27m

San Antonio

Thu 4/23

12:46 pm-10:52 am

1 stop23h 06m

$341
Quickest round-trip

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Thu 4/16

2:35 pm-8:42 pm

1 stop5h 07m

San Antonio

Sat 4/18

8:45 am-1:23 pm

1 stop5h 38m

$349

HelenaSan Antonio

HLN - SAT

HLNSAT

Helena

Thu 4/23

2:25 pm-8:42 pm

1 stop5h 17m

San Antonio

Mon 4/27

4:45 pm-9:33 pm

1 stop5h 48m

$349

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 5/22

2:18 pm-11:06 pm

1 stop7h 48m

San Antonio

Sun 5/24

5:35 pm-10:38 pm

1 stop6h 03m

$349

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

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

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

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

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 56% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 4 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

4h 43m

Direct flights

None
The fastest flight from Montana to San Antonio takes 4h 43m
There are no direct flights from Montana to San Antonio. There are no popular flight routes from Montana to San Antonio.
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?

  • 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
SouthwestPriceFrom $228Free CancellationRating
8.0
4,333 reviews
Search Southwest flights
DeltaPriceFrom $238Free CancellationRating
7.9
8,356 reviews
Search Delta flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,499 reviews
Search United Airlines flights
American AirlinesPriceFrom $290Free CancellationRating
7.1
11,520 reviews
Search American Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Pleasanton
Schertz

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.

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