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$200+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SAT
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 December 15, 2025.

This Southwest deal was found by Cheapflights users on 12/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:05 pmBZN - SAT
1 stop4h 45mSouthwest
Sun 1/45:20 amSAT - BZN
1 stop5h 15mSouthwest
Deal found 12/14$249
This Delta deal was found by Cheapflights users on 12/13. 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 12/255:20 amFCA - SAT
1 stop7h 25mDelta
Fri 1/96:30 amSAT - FCA
1 stop8h 52mDelta
Deal found 12/13$338
This Delta deal was found by Cheapflights users on 12/13. 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.
Fri 12/196:33 pmBZN - SAT
1 stop5h 04mDelta
Tue 12/237:05 amSAT - BZN
1 stop8h 01mDelta
Deal found 12/13$419
This United Airlines deal was found by Cheapflights users on 12/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:30 pmBZN - SAT
2 stops9h 17mUnited Airlines
Wed 12/245:15 amSAT - BZN
1 stop8h 43mUnited Airlines
Deal found 12/13$424
This Southwest deal was found by Cheapflights users on 12/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:00 amBZN - SAT
1 stop5h 00mSouthwest
Wed 12/242:30 pmSAT - BZN
2 stops9h 15mSouthwest
Deal found 12/13$474
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Fri 12/191:30 pmBZN - SAT
2 stops9h 17mUnited Airlines
Tue 12/237:40 amSAT - BZN
2 stops8h 47mUnited Airlines
Deal found 12/14$509
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:45 amMSO - SAT
1 stop8h 30mDelta
Sun 12/212:51 pmSAT - MSO
1 stop6h 49mDelta
Deal found 12/12$531
This Southwest deal was found by Cheapflights users on 12/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:00 amBZN - SAT
2 stops8h 25mSouthwest
Tue 12/235:50 amSAT - BZN
2 stops7h 05mSouthwest
Deal found 12/13$546
This United Airlines deal was found by Cheapflights users on 12/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:15 pmFCA - SAT
1 stop5h 32mUnited Airlines
Fri 1/24:55 pmSAT - FCA
1 stop6h 04mUnited Airlines
Deal found 12/13$646
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:05 pmBIL - SAT
1 stop6h 30mMultiple Airlines
Thu 1/110:18 amSAT - BIL
2 stops24h 06mMultiple Airlines
Deal found 12/13$659
This Delta deal was found by Cheapflights users on 12/15. 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.
Mon 12/295:20 amMSO - SAT
1 stop7h 26mDelta
Sun 1/46:40 amSAT - MSO
1 stop6h 14mDelta
Deal found 12/15$659
This Delta deal was found by Cheapflights users on 12/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:18 pmGTF - SAT
1 stop5h 24mDelta
Fri 12/266:40 amSAT - GTF
1 stop6h 51mDelta
Deal found 12/14$702

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$210
(Kiwi.com)

One-way from

$200
(Delta)

Popular in

February

Cheapest in

May

Average price

$305
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. 34% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 15, 2025.
Use the filters below to find and compare flights from Montana to San Antonio that are best for you.

Fly from

Montana

Fly to

San Antonio

Route

Depart

Return

Price

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 1/23

10:53 am-9:04 pm

1 stop9h 11m

San Antonio

Sun 1/25

1:15 pm-10:03 am

1 stop21h 48m

$210

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Fri 2/27

1:36 pm-11:41 pm

1 stop9h 05m

San Antonio

Tue 3/3

6:00 am-12:54 pm

1 stop7h 54m

$229

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Mon 1/12

2:30 pm-8:44 pm

1 stop5h 14m

San Antonio

Mon 1/19

8:30 am-1:26 pm

1 stop5h 56m

$229

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 2/26

2:41 pm-8:56 pm

1 stop5h 15m

San Antonio

Tue 3/3

9:10 am-3:23 pm

1 stop7h 13m

$229

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Fri 2/27

2:41 pm-8:56 pm

1 stop5h 15m

San Antonio

Tue 3/3

11:43 am-9:12 pm

2 stops10h 29m

$234

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Wed 12/31

4:05 pm-9:50 pm

1 stop4h 45m

San Antonio

Sun 1/4

5:20 am-9:35 am

1 stop5h 15m

$249

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 2/12

6:10 am-1:00 pm

1 stop5h 50m

San Antonio

Fri 2/13

5:30 am-11:40 am

1 stop7h 10m

$270

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 2/12

6:10 am-1:00 pm

1 stop5h 50m

San Antonio

Mon 2/16

7:35 pm-11:55 pm

1 stop5h 20m

$270

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Sun 2/1

5:24 am-1:48 pm

1 stop7h 24m

San Antonio

Mon 2/9

6:30 am-2:25 pm

1 stop8h 55m

$277

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 1/22

7:20 am-5:45 pm

1 stop9h 25m

San Antonio

Mon 1/26

6:46 pm-11:20 am

1 stop17h 34m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 34 results
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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 February is currently the most expensive (average of $277). 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 5h 14m. 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 $145, 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, Bozeman Gallatin Field - San Antonio or Missoula Johnson-Bell 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, 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 February is currently the most expensive (average of $277). 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.
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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$238Average$422FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$247Average$394FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$284Average$511FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$290Average$340FlexibilityNo cancel feeOn-time71%

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