San Antonio

$135+ Cheap flights from Montana to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SAT
Apr 14 — Apr 211
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Cheap flight deals from Montana to San Antonio

Cheapest flights from Montana to San Antonio
Explore the most affordable flight options available from Montana to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 15, 2026.

This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:55 am
BZN
-
SAT
1 stop6h 25m
Southwest
Tue 4/146:00 pm
SAT
-
BZN
1 stop4h 55m
Southwest
Deal found 3/10$269
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:15 am
BZN
-
SAT
1 stop6h 50m
Southwest
Thu 5/143:20 pm
SAT
-
BZN
1 stop8h 40m
Southwest
Deal found 3/10$275
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:15 am
BZN
-
SAT
2 stops8h 35m
Southwest
Mon 4/203:05 pm
SAT
-
BZN
2 stops8h 55m
Southwest
Deal found 3/11$280
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:30 am
BZN
-
SAT
1 stop5h 30m
United Airlines
Tue 3/314:45 pm
SAT
-
BZN
1 stop5h 47m
United Airlines
Deal found 3/10$289
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:29 pm
BZN
-
SAT
1 stop6h 30m
United Airlines
Wed 7/155:30 am
SAT
-
BZN
1 stop5h 01m
United Airlines
Deal found 3/11$291
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:19 pm
GTF
-
SAT
1 stop4h 54m
Delta
Sun 8/28:00 am
SAT
-
GTF
1 stop5h 23m
Delta
Deal found 3/9$298
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/272:43 pm
BZN
-
SAT
1 stop5h 11m
United Airlines
Tue 3/312:02 pm
SAT
-
BZN
1 stop9h 03m
United Airlines
Deal found 3/12$309
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:07 pm
MSO
-
SAT
1 stop7h 20m
Delta
Sat 4/186:20 pm
SAT
-
MSO
1 stop5h 51m
Delta
Deal found 3/11$317
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:20 pm
GTF
-
SAT
1 stop5h 25m
Delta
Tue 11/246:05 pm
SAT
-
GTF
1 stop5h 48m
Delta
Deal found 3/10$318
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:38 pm
MSO
-
SAT
1 stop5h 04m
United Airlines
Sat 5/28:48 am
SAT
-
MSO
1 stop8h 16m
United Airlines
Deal found 3/10$323
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:30 pm
GTF
-
SAT
1 stop5h 12m
United Airlines
Wed 4/155:30 am
SAT
-
GTF
2 stops9h 01m
United Airlines
Deal found 3/12$324
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:20 pm
BZN
-
SAT
1 stop5h 00m
Southwest
Thu 4/233:20 pm
SAT
-
BZN
1 stop8h 40m
Southwest
Deal found 3/12$325

Find flight deals from Montana to San Antonio

Keep the following information in mind while searching for Montana to San Antonio flight deals. Data was last updated March 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Southwest)

One-way from

$135
(Southwest)

Popular in

May

Cheapest in

September

Average price

$334
Provider with most accurate pricing for Bozeman Gallatin Field-San Antonio flight deals.
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-San Antonio flights.
From Montana to San Antonio
One-way flight from Montana to San Antonio
Highest demand for flights based on searches. 14% potential increase in price ($61 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 15, 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

4:20 pm-10:55 pm

1 stop5h 35m

San Antonio

Mon 4/20

6:45 pm-11:00 pm

1 stop5h 15m

$269

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Fri 4/24

4:20 pm-10:55 pm

1 stop5h 35m

San Antonio

Sun 4/26

6:20 am-10:25 am

1 stop5h 05m

$269

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Tue 4/7

9:55 am-5:20 pm

1 stop6h 25m

San Antonio

Tue 4/14

4:55 pm-12:15 am

2 stops8h 20m

$274

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sun 5/17

6:19 pm-12:13 am

1 stop4h 54m

San Antonio

Sun 8/2

8:00 am-12:23 pm

1 stop5h 23m

$298

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Fri 3/27

2:43 pm-11:32 pm

1 stop7h 49m

San Antonio

Tue 3/31

6:12 am-3:23 pm

1 stop10h 11m

$309

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Mon 3/30

6:30 pm-12:16 am

1 stop4h 46m

San Antonio

Fri 4/3

5:55 pm-11:10 pm

1 stop6h 15m

$328

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Wed 4/15

10:38 am-4:56 pm

1 stop5h 18m

San Antonio

Wed 4/22

8:45 am-1:23 pm

1 stop5h 38m

$329
Quickest round-trip

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 7/21

6:00 pm-11:59 pm

1 stop4h 59m

San Antonio

Sat 7/25

5:30 am-9:35 am

1 stop5h 05m

$329

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Wed 4/8

2:30 pm-10:59 pm

2 stops7h 29m

San Antonio

Wed 4/15

5:30 am-1:31 pm

2 stops9h 01m

$329

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Thu 5/7

5:35 am-2:47 pm

2 stops8h 12m

San Antonio

Sun 5/10

5:55 pm-10:52 pm

1 stop5h 57m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 54 resultsSorted by cheapest first
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Best time to book a flight from Montana to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Montana with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montana to San Antonio

What is the cheapest month to book a flight from Montana to San Antonio?

Currently, October is the cheapest month in which you can book a flight from Montana to San Antonio (average of $151). Flying from Montana to San Antonio in August is currently the most expensive (average of $270). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Montana to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Antonio from Montana?

    San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly into when you book flights from Montana to San Antonio.

  • How long is the flight from Montana to San Antonio?

    Departing from Montana to San Antonio will take you 4h 54m. Montana and San Antonio are separated by a distance of 1418 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Montana to San Antonio?

  • Can I find deals for flights from Montana to San Antonio that include hotel bookings?

    Yes. In addition to deals on Montana to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montana to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to San Antonio.

  • Can I find deals for business class flights from Montana to San Antonio?

    Yes. Cheapflights offers flight deals from Montana to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montana to San Antonio?

    Currently, October is the cheapest month in which you can book a flight from Montana to San Antonio (average of $151). Flying from Montana to San Antonio in August is currently the most expensive (average of $270). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

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

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Alternative routes for Montana to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Montana to San Antonio

Discover the top 4 airlines that operate flights from Montana to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$150Average$427FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$228Average$396FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$278Average$481FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$290Average$340FlexibilityNo cancel feeOn-time71%

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