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San Antonio

$165+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SAT
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
1 adult, Economy
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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 June 18, 2026.

This Delta deal was found by Cheapflights users on 6/17. 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 9/246:00 am
BZN
-
SAT
1 stop6h 40m
Delta
Sun 9/276:02 pm
SAT
-
BZN
1 stop7h 03m
Delta
Deal found 6/17$289
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Sat 7/410:33 am
BZN
-
SAT
1 stop5h 26m
United Airlines
Sun 7/195:30 am
SAT
-
BZN
1 stop4h 59m
United Airlines
Deal found 6/14$309
This Delta deal was found by Cheapflights users on 6/16. 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 6/16$318
This Delta deal was found by Cheapflights users on 6/16. 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.
Wed 7/111:27 am
BZN
-
SAT
1 stop9h 05m
Delta
Sun 7/56:30 am
SAT
-
BZN
1 stop5h 45m
Delta
Deal found 6/16$329
This Delta deal was found by Cheapflights users on 6/16. 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 7/305:20 am
BIL
-
SAT
1 stop7h 16m
Delta
Tue 8/46:04 pm
SAT
-
BIL
1 stop6h 26m
Delta
Deal found 6/16$329
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:08 pm
HLN
-
SAT
1 stop25h 30m
Alaska Airlines
Thu 12/107:37 pm
SAT
-
HLN
1 stop20h 54m
Alaska Airlines
Deal found 6/14$329
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 7/306:00 pm
BIL
-
SAT
1 stop4h 55m
United Airlines
Tue 8/44:18 pm
SAT
-
BIL
2 stops7h 36m
United Airlines
Deal found 6/16$334
This Delta deal was found by Cheapflights users on 6/13. 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 7/305:40 am
HLN
-
SAT
2 stops8h 13m
Delta
Wed 8/56:50 am
SAT
-
HLN
1 stop6h 25m
Delta
Deal found 6/13$334
This Delta deal was found by Cheapflights users on 6/13. 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 8/275:40 am
GTF
-
SAT
1 stop6h 51m
Delta
Sat 9/126:45 am
SAT
-
GTF
1 stop6h 50m
Delta
Deal found 6/13$343
This Delta deal was found by Cheapflights users on 6/17. 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.
Fri 9/256:00 am
BZN
-
SAT
1 stop6h 40m
Delta
Sat 9/266:45 am
SAT
-
BZN
1 stop6h 18m
Delta
Deal found 6/17$344
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/16:15 am
GTF
-
SAT
1 stop5h 28m
United Airlines
Tue 7/74:35 pm
SAT
-
GTF
1 stop5h 59m
United Airlines
Deal found 6/16$353
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:30 am
FCA
-
SAT
1 stop8h 55m
Alaska Airlines
Wed 11/185:21 pm
SAT
-
FCA
1 stop7h 38m
Alaska Airlines
Deal found 6/17$359

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 June 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(Delta)

One-way from

$165
(United Airlines)

Popular in

August

Cheapest in

July

Average price

$297
Provider with most accurate pricing for Bozeman Gallatin Field-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-San Antonio flights.
Search Deals
From Montana to San Antonio
Search Deals
One-way flight from Montana to San Antonio
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 18, 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

Sat 7/4

6:30 am-3:39 pm

2 stops8h 09m

San Antonio

Sun 7/19

5:30 am-9:29 am

1 stop4h 59m

$314

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Thu 8/27

5:40 am-2:57 pm

2 stops8h 17m

San Antonio

Sat 9/12

6:45 am-12:35 pm

1 stop6h 50m

$324

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Thu 11/19

6:20 pm-12:45 am

1 stop5h 25m

San Antonio

Tue 11/24

10:45 am-10:53 pm

2 stops13h 08m

$324

HelenaSan Antonio

HLN - SAT

HLNSAT

Helena

Tue 12/8

4:08 pm-6:38 pm

1 stop25h 30m

San Antonio

Thu 12/10

7:37 pm-3:31 pm

1 stop20h 54m

$329

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Fri 10/23

6:25 pm-12:45 am

1 stop5h 20m

San Antonio

Tue 10/27

12:25 pm-5:49 pm

1 stop6h 24m

$329

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Fri 9/18

6:33 pm-12:26 am

1 stop4h 53m

San Antonio

Sun 9/20

6:45 am-12:17 pm

1 stop6h 32m

$329

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Thu 7/30

6:00 pm-11:55 pm

1 stop4h 55m

San Antonio

Tue 8/4

4:18 pm-10:54 pm

2 stops7h 36m

$334

HelenaSan Antonio

HLN - SAT

HLNSAT

Helena

Thu 7/30

5:40 am-2:53 pm

2 stops8h 13m

San Antonio

Wed 8/5

6:50 am-12:15 pm

1 stop6h 25m

$334

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Tue 11/17

6:30 am-4:25 pm

1 stop8h 55m

San Antonio

Wed 11/18

5:21 pm-11:59 pm

1 stop7h 38m

$359

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Wed 7/1

12:15 pm-9:32 pm

1 stop8h 17m

San Antonio

Sun 7/5

6:30 am-11:45 am

1 stop6h 15m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 60 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, April is the cheapest month in which you can book a flight from Montana to San Antonio (average of $150). Flying from Montana to San Antonio in August is currently the most expensive (average of $308). 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 8h 09m. Montana and San Antonio are separated by a distance of 1315 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Montana to San Antonio one-way?

    $114 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $128 and $144, respectively.

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

    When deciding which route to take from Montana to San Antonio consider Great Falls - San Antonio, Helena - San Antonio or Bozeman Gallatin Field - San Antonio as they are the most popular.

  • 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, April is the cheapest month in which you can book a flight from Montana to San Antonio (average of $150). Flying from Montana to San Antonio in August is currently the most expensive (average of $308). 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

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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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$228Average$403FlexibilityNo cancel feeOn-time63%
DeltaCheapest$238Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$264Average$486FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$290Average$309FlexibilityNo cancel feeOn-time71%

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