HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$148+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SAT
Oct 24 — Oct 311
Fri 10/24
Fri 10/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montana to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$270
(Alaska Airlines)

One-way from

$148
(Trip.com)

Popular in

February

Cheapest in

May

Average price

$377
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. 28% potential increase in price ($196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 24, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 11/84:12 pmMSO - SAT
1 stop24h 43mAlaska Airlines
Wed 11/126:32 amSAT - MSO
1 stop6h 47mAlaska Airlines
Deal found 9/23$270
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Thu 11/135:35 pmGTF - SAT
1 stop14h 39mMultiple Airlines
Sun 11/1610:46 pmSAT - GTF
1 stop22h 46mMultiple Airlines
Deal found 9/22$292
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Mon 12/110:13 pmMSO - SAT
1 stop18h 15mMultiple Airlines
Thu 12/116:23 pmSAT - MSO
1 stop16h 08mMultiple Airlines
Deal found 9/23$295
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Thu 12/410:26 pmMSO - SAT
1 stop29h 43mMultiple Airlines
Thu 12/116:23 pmSAT - MSO
1 stop16h 08mMultiple Airlines
Deal found 9/23$306
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Fri 10/1010:20 pmBZN - SAT
2 stops24h 20mMultiple Airlines
Mon 10/1310:54 amSAT - BZN
1 stop11h 24mMultiple Airlines
Deal found 9/24$307
This Delta deal was found by Cheapflights users on 9/22. 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 10/186:20 pmBZN - SAT
1 stop5h 11mDelta
Wed 10/226:15 pmSAT - BZN
1 stop6h 22mDelta
Deal found 9/22$311
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Thu 10/910:07 amBZN - SAT
1 stop28h 27mMultiple Airlines
Mon 10/1310:54 amSAT - BZN
1 stop11h 24mMultiple Airlines
Deal found 9/24$323
This KAYAK deal was found by Cheapflights users on 9/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:12 pmMSO - SAT
1 stop6h 52mAlaska Airlines
Thu 10/306:32 amSAT - MSO
1 stop6h 47mAlaska Airlines
Deal found 9/23$323
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Mon 12/110:13 pmMSO - SAT
1 stop18h 15mMultiple Airlines
Wed 12/106:44 pmSAT - MSO
1 stop27h 52mMultiple Airlines
Deal found 9/23$329
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Fri 11/79:33 pmGTF - SAT
1 stop17h 02mMultiple Airlines
Mon 11/102:04 pmSAT - GTF
1 stop8h 27mMultiple Airlines
Deal found 9/22$339
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Thu 12/410:26 pmMSO - SAT
1 stop29h 43mMultiple Airlines
Wed 12/106:44 pmSAT - MSO
1 stop27h 52mMultiple Airlines
Deal found 9/23$340
This Southwest deal was found by Cheapflights users on 9/22. 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 10/95:00 amBZN - SAT
1 stop5h 25mSouthwest
Mon 10/1312:15 pmSAT - BZN
1 stop8h 00mSouthwest
Deal found 9/22$341

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 September 24, 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

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Thu 11/13

5:35 pm-9:14 am

1 stop14h 39m

San Antonio

Sun 11/16

10:46 pm-8:32 pm

1 stop22h 46m

$292

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Fri 12/12

6:29 am-11:58 pm

1 stop16h 29m

San Antonio

Mon 12/15

6:55 pm-3:32 pm

1 stop21h 37m

$306

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Fri 10/10

10:20 pm-11:40 pm

2 stops24h 20m

San Antonio

Mon 10/13

10:54 am-9:18 pm

1 stop11h 24m

$307

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 2/12

2:37 pm-9:07 pm

1 stop5h 30m

San Antonio

Sun 2/15

8:55 am-3:22 pm

1 stop7h 27m

$311

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Sat 1/24

2:00 pm-11:33 pm

1 stop8h 33m

San Antonio

Thu 1/29

6:05 pm-10:58 pm

1 stop5h 53m

$311

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Sat 1/24

3:55 pm-11:48 pm

1 stop6h 53m

San Antonio

Thu 1/29

10:20 am-2:32 pm

1 stop5h 12m

$311

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Sat 10/18

6:20 pm-12:31 am

1 stop5h 11m

San Antonio

Wed 10/22

6:15 pm-11:37 pm

1 stop6h 22m

$311

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 10/9

10:07 am-3:34 pm

1 stop28h 27m

San Antonio

Mon 10/13

10:54 am-9:18 pm

1 stop11h 24m

$323

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Fri 11/7

9:33 pm-3:35 pm

1 stop17h 02m

San Antonio

Mon 11/10

2:04 pm-9:31 pm

1 stop8h 27m

$339

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 10/9

5:00 am-11:25 am

1 stop5h 25m

San Antonio

Mon 10/13

12:15 pm-7:15 pm

1 stop8h 00m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 54 results
1
2
3
...
6

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.

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 30m. 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?

    $165 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $186 and $197, 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
Kerrville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montana to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
Dulles Intl to Dallas/Fort Worth flights
O'Hare Intl to Dallas/Fort Worth flights
Los Angeles to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
John F Kennedy Intl to Hobby flights
Newark to Hobby flights
LaGuardia to Hobby flights
Boston to Dallas/Fort Worth flights
Philadelphia to Dallas/Fort Worth flights
San Francisco to Dallas/Fort Worth flights
Detroit to Dallas/Fort Worth flights
John F Kennedy Intl to George Bush Intcntl flights
Reagan-National to Dallas/Fort Worth flights
John F Kennedy Intl to Austin flights
Newark to George Bush Intcntl flights
Minneapolis to Dallas/Fort Worth flights
Atlanta to Dallas/Fort Worth flights
Midway to Dallas/Fort Worth flights
Denver to Dallas/Fort Worth flights
Reagan-National to Hobby flights
Santa Ana to Dallas/Fort Worth flights
Los Angeles to Austin flights
Newark to Austin flights
Dulles Intl to Hobby flights
Los Angeles to Hobby flights
LaGuardia to George Bush Intcntl flights
Baltimore to Hobby flights
Sky Harbor Intl to Dallas/Fort Worth flights
Seattle to Austin flights
Orlando to Dallas/Fort Worth flights
LaGuardia to Austin flights
O'Hare Intl to George Bush Intcntl flights
San Francisco to Hobby flights
Boston to Hobby flights
Seattle to Hobby flights
Ontario to Dallas/Fort Worth flights
Philadelphia to Love Field flights
Atlanta to Hobby flights
Baltimore to Love Field flights
Hobby to Dallas/Fort Worth flights
Los Angeles to George Bush Intcntl flights
O'Hare Intl to Austin flights
Dulles Intl to Austin flights
LaGuardia to Love Field flights
Midway to Hobby flights
O'Hare Intl to Love Field flights

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 September 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$199Average$431FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$247Average$396FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$284Average$536FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$290Average$452FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.