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$146+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SAT
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap 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 July 31, 2025.

Round-trip from

$290
(Alaska Airlines)

One-way from

$146
(Delta)

Popular in

February

Cheapest in

May

Average price

$615
From Montana to San Antonio
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One-way flight from Montana to San Antonio
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Highest demand for flights based on searches. 27% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 31, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 9/43:08 pmBZN - SAT
1 stop7h 55mAlaska Airlines
Sun 9/76:27 amSAT - BZN
1 stop8h 47mAlaska Airlines
Deal found 7/31$290
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/94:19 pmBZN - SAT
1 stop5h 41mAmerican Airlines
Mon 9/157:00 amSAT - BZN
1 stop6h 49mAmerican Airlines
Deal found 7/31$291
This Delta deal was found by Cheapflights users on 7/30. 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.
Tue 10/76:20 pmMSO - SAT
1 stop5h 11mDelta
Tue 10/146:07 pmSAT - MSO
1 stop7h 10mDelta
Deal found 7/30$316
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/143:42 pmBZN - SAT
3 stops25h 30mMultiple Airlines
Wed 9/179:47 pmSAT - BZN
1 stop13h 52mMultiple Airlines
Deal found 7/31$322
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:59 pmBIL - SAT
1 stop8h 01mAmerican Airlines
Sun 10/57:00 amSAT - BIL
1 stop7h 29mAmerican Airlines
Deal found 7/30$325
This Delta deal was found by Cheapflights users on 7/31. 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.
Tue 10/146:09 pmGTF - SAT
1 stop5h 22mDelta
Tue 10/217:30 amSAT - GTF
1 stop5h 58mDelta
Deal found 7/31$330
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 11/186:00 amBIL - SAT
1 stop10h 55mAlaska Airlines
Fri 11/216:20 amSAT - BIL
1 stop19h 08mAlaska Airlines
Deal found 7/31$337
This Delta deal was found by Cheapflights users on 7/31. 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.
Tue 11/1811:38 amBIL - SAT
2 stops10h 43mDelta
Fri 11/216:05 pmSAT - BIL
1 stop5h 27mDelta
Deal found 7/31$343
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:51 pmMSO - SAT
1 stop8h 09mAmerican Airlines
Sun 10/57:00 amSAT - MSO
1 stop7h 00mAmerican Airlines
Deal found 7/31$348
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 10/146:15 pmGTF - SAT
1 stop23h 41mAlaska Airlines
Tue 10/216:40 amSAT - GTF
1 stop11h 55mAlaska Airlines
Deal found 7/30$349
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/142:41 pmBZN - SAT
2 stops7h 18mUnited Airlines
Sun 8/175:15 amSAT - BZN
1 stop5h 39mUnited Airlines
Deal found 7/31$356
This Southwest deal was found by Cheapflights users on 7/31. 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 9/98:05 amBZN - SAT
2 stops8h 05mSouthwest
Mon 9/155:35 amSAT - BZN
2 stops9h 15mSouthwest
Deal found 7/31$376

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 July 31, 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

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 9/4

3:08 pm-12:03 am

1 stop7h 55m

San Antonio

Sun 9/7

6:27 am-2:14 pm

1 stop8h 47m

$290

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Tue 9/9

4:19 pm-11:00 pm

1 stop5h 41m

San Antonio

Mon 9/15

7:00 am-12:49 pm

1 stop6h 49m

$291

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Tue 10/7

6:20 pm-12:31 am

1 stop5h 11m

San Antonio

Tue 10/14

6:07 pm-12:17 am

1 stop7h 10m

$316

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Sun 9/14

3:42 pm-6:12 pm

3 stops25h 30m

San Antonio

Wed 9/17

9:47 pm-10:39 am

1 stop13h 52m

$322

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 9/30

1:59 pm-11:00 pm

1 stop8h 01m

San Antonio

Sun 10/5

7:00 am-1:29 pm

1 stop7h 29m

$325

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Tue 10/14

6:09 pm-12:31 am

1 stop5h 22m

San Antonio

Tue 10/21

7:30 am-12:28 pm

1 stop5h 58m

$330

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 11/18

6:00 am-5:55 pm

1 stop10h 55m

San Antonio

Fri 11/21

6:20 am-12:28 am

1 stop19h 08m

$337

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 11/18

11:38 am-11:21 pm

2 stops10h 43m

San Antonio

Fri 11/21

6:05 pm-10:32 pm

1 stop5h 27m

$343

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Tue 9/30

1:51 pm-11:00 pm

1 stop8h 09m

San Antonio

Sun 10/5

7:00 am-1:00 pm

1 stop7h 00m

$348

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Tue 10/14

6:15 pm-6:56 pm

1 stop23h 41m

San Antonio

Tue 10/21

6:40 am-5:35 pm

1 stop11h 55m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 37 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, August is the cheapest month in which you can book a flight from Montana to San Antonio (average of $295). Flying from Montana to San Antonio in March is currently the most expensive (average of $376). 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.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Montana to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    $146 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and Alaska Airlines, with prices starting from $173 and $175, respectively.

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

    When deciding which route to take from Montana to San Antonio consider Billings Logan Intl - San Antonio, Great Falls - 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, August is the cheapest month in which you can book a flight from Montana to San Antonio (average of $295). Flying from Montana to San Antonio in March is currently the most expensive (average of $376). 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

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$246Average$452FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$247Average$399FlexibilityNo cancel feeOn-time63%
DeltaCheapest$264Average$442FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$319Average$556FlexibilityNo cancel feeOn-time69%

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