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Cheap flights from Montana to San Antonio from $115

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 2/25. 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
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.
Delta Logo
6:30 pm - 12:16 am
BZN
-
SAT
4h 46m
1 stop
Delta Logo
5:55 pm - 11:10 pm
SAT
-
BZN
6h 15m
1 stop
$257Delta
Thu, Mar 19 - Thu, Mar 26
Southwest Logo
3:50 pm - 9:55 pm
BZN
-
SAT
5h 05m
1 stop
Southwest Logo
7:35 pm - 11:55 pm
SAT
-
BZN
5h 20m
1 stop
$269Southwest
Wed, Feb 18 - Sun, Feb 22
United Airlines Logo
6:35 am - 12:56 pm
BIL
-
SAT
5h 21m
1 stop
United Airlines Logo
4:39 pm - 8:57 pm
SAT
-
BIL
5h 18m
1 stop
$289United Airlines
Wed, May 6 - Sat, May 9
United Airlines Logo
2:34 pm - 8:56 pm
MSO
-
SAT
5h 22m
1 stop
United Airlines Logo
4:45 pm - 9:57 pm
SAT
-
MSO
6h 12m
1 stop
$289United Airlines
Thu, Feb 26 - Tue, Mar 3
American Airlines Logo
11:33 am - 6:09 pm
BZN
-
SAT
5h 36m
1 stop
American Airlines Logo
6:00 am - 12:57 pm
SAT
-
BZN
7h 57m
1 stop
$314American Airlines
Sat, Feb 14 - Sat, Feb 21
American Airlines Logo
7:25 am - 1:59 pm
BIL
-
SAT
5h 34m
1 stop
American Airlines Logo
3:08 pm - 10:12 pm
SAT
-
BIL
8h 04m
1 stop
$314American Airlines
Sat, Feb 21 - Wed, Feb 25
Alaska Airlines Logo
6:23 am - 5:10 pm
MSO
-
SAT
9h 47m
1 stop
Alaska Airlines Logo
6:06 pm - 11:59 pm
SAT
-
MSO
6h 53m
1 stop
$340Alaska Airlines
Mon, Feb 23 - Tue, Mar 3
Multiple Airlines Logo
2:19 pm - 12:17 am
BIL
-
SAT
32h 58m
2 stops
Multiple Airlines Logo
4:36 pm - 4:16 pm
SAT
-
BIL
24h 40m
1 stop
$352Multiple Airlines
Mon, Mar 30 - Thu, Apr 9
Alaska Airlines Logo
7:53 pm - 4:54 pm
FCA
-
SAT
20h 01m
1 stop
Alaska Airlines Logo
5:50 pm - 11:47 pm
SAT
-
FCA
6h 57m
1 stop
$459Alaska Airlines
Tue, Mar 17 - Fri, Mar 20
Multiple Airlines Logo
5:44 pm - 10:40 am
FCA
-
SAT
15h 56m
1 stop
Multiple Airlines Logo
4:54 pm - 12:05 pm
SAT
-
FCA
20h 11m
1 stop
$506Multiple Airlines
Thu, Mar 5 - Sun, Mar 8

Alaska Airlines flights from Montana to San Antonio

Our best Alaska Airlines deals on Montana to San Antonio flight tickets
Alaska Airlines
Feb 23
MSO6:23 amMissoula Johnson-Bell Field
9h 47m
1 stop
SAT5:10 pmSan Antonio
Mar 3
SAT6:06 pmSan Antonio
6h 53m
1 stop
MSO11:59 pmMissoula Johnson-Bell Field
$340
Alaska Airlines
Feb 27
MSO6:23 amMissoula Johnson-Bell Field
9h 47m
1 stop
SAT5:10 pmSan Antonio
Mar 2
SAT6:06 pmSan Antonio
19h 53m
2 stops
MSO12:59 pmMissoula Johnson-Bell Field
$361
Alaska Airlines
Feb 23
MSO6:23 amMissoula Johnson-Bell Field
9h 47m
1 stop
SAT5:10 pmSan Antonio
Mar 3
SAT6:06 pmSan Antonio
6h 53m
1 stop
MSO11:59 pmMissoula Johnson-Bell Field
$366

United Airlines flights from Montana to San Antonio

Our best United Airlines deals on Montana to San Antonio flight tickets
United Airlines
May 6
BIL6:35 amBillings Logan Intl
5h 21m
1 stop
SAT12:56 pmSan Antonio
May 9
SAT4:39 pmSan Antonio
5h 18m
1 stop
BIL8:57 pmBillings Logan Intl
$289
United Airlines
Feb 21
MSO6:15 amMissoula Johnson-Bell Field
5h 53m
1 stop
SAT1:08 pmSan Antonio
Mar 3
SAT2:10 pmSan Antonio
8h 47m
2 stops
MSO9:57 pmMissoula Johnson-Bell Field
$319
United Airlines
Feb 21
BIL7:00 amBillings Logan Intl
5h 08m
1 stop
SAT1:08 pmSan Antonio
Feb 25
SAT11:43 amSan Antonio
10h 39m
2 stops
BIL9:22 pmBillings Logan Intl
$339

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 February 4, 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

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 3/19

6:30 pm-12:16 am

1 stop4h 46m

San Antonio

Thu 3/26

5:55 pm-11:10 pm

1 stop6h 15m

$257

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Wed 2/18

3:50 pm-9:55 pm

1 stop5h 05m

San Antonio

Sun 2/22

7:35 pm-11:55 pm

1 stop5h 20m

$269

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Wed 5/6

6:35 am-12:56 pm

1 stop5h 21m

San Antonio

Sat 5/9

4:39 pm-8:57 pm

1 stop5h 18m

$289

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 2/26

2:34 pm-8:56 pm

1 stop5h 22m

San Antonio

Tue 3/3

4:45 pm-9:57 pm

1 stop6h 12m

$289

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Sat 2/14

11:33 am-6:09 pm

1 stop5h 36m

San Antonio

Sat 2/21

6:00 am-12:57 pm

1 stop7h 57m

$314

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Sat 2/21

7:25 am-1:59 pm

1 stop5h 34m

San Antonio

Wed 2/25

3:08 pm-10:12 pm

1 stop8h 04m

$314

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Mon 2/23

6:23 am-5:10 pm

1 stop9h 47m

San Antonio

Tue 3/3

6:06 pm-11:59 pm

1 stop6h 53m

$340

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Mon 3/30

2:19 pm-12:17 am

2 stops32h 58m

San Antonio

Thu 4/9

4:36 pm-4:16 pm

1 stop24h 40m

$352

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Tue 3/17

7:53 pm-4:54 pm

1 stop20h 01m

San Antonio

Fri 3/20

5:50 pm-11:47 pm

1 stop6h 57m

$459

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Thu 3/5

5:44 pm-10:40 am

1 stop15h 56m

San Antonio

Sun 3/8

4:54 pm-12:05 pm

1 stop20h 11m

$506

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 month to fly to San Antonio?

If you aren’t able to travel during the month of September, then book flights to San Antonio from Montana during January instead. Flights to San Antonio in January, while not as cheap as those in September, still average around $308.

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 46m

Direct flights

None
The fastest flight from Montana to San Antonio takes 4h 46m
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
DeltaPriceFrom $238Free CancellationRating
7.9
8,144 reviews
Search Delta flights
SouthwestPriceFrom $247Free CancellationRating
8.0
4,274 reviews
Search Southwest flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $290Free CancellationRating
7.2
11,222 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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