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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SAT
May 30 — Jun 61
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

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 April 30, 2026.

This United Airlines deal was found by Cheapflights users on 4/26. 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 8/610:33 am
BZN
-
SAT
1 stop5h 22m
United Airlines
Sun 8/238:53 am
SAT
-
BZN
1 stop7h 20m
United Airlines
Deal found 4/26$289
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:30 pm
BZN
-
SAT
1 stop7h 45m
Southwest
Fri 6/268:35 pm
SAT
-
BZN
1 stop5h 35m
Southwest
Deal found 4/30$309
This Delta deal was found by Cheapflights users on 4/29. 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 11/195:30 am
GTF
-
SAT
1 stop7h 04m
Delta
Tue 11/246:05 pm
SAT
-
GTF
1 stop5h 48m
Delta
Deal found 4/29$318
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 7/246:25 pm
GTF
-
SAT
1 stop5h 01m
Delta
Mon 7/276:05 am
SAT
-
GTF
2 stops12h 37m
Delta
Deal found 4/30$324
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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 8/257:00 am
BZN
-
SAT
1 stop7h 57m
Alaska Airlines
Wed 8/264:53 pm
SAT
-
BZN
1 stop7h 06m
Alaska Airlines
Deal found 4/26$329
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/2310:40 am
BIL
-
SAT
1 stop5h 15m
United Airlines
Wed 5/274:35 pm
SAT
-
BIL
1 stop5h 42m
United Airlines
Deal found 4/29$329
This United Airlines deal was found by Cheapflights users on 4/26. 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 8/610:33 am
BZN
-
SAT
1 stop5h 22m
United Airlines
Mon 8/247:35 am
SAT
-
BZN
2 stops8h 38m
United Airlines
Deal found 4/26$341
This Delta deal was found by Cheapflights users on 4/28. 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 5/282:19 pm
BZN
-
SAT
1 stop9h 25m
Delta
Thu 6/46:10 pm
SAT
-
BZN
1 stop6h 34m
Delta
Deal found 4/28$344
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/272:37 pm
GTF
-
SAT
2 stops7h 17m
United Airlines
Wed 6/34:35 pm
SAT
-
GTF
1 stop5h 59m
United Airlines
Deal found 4/27$344
This Delta deal was found by Cheapflights users on 4/29. 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 5/226:19 pm
BIL
-
SAT
1 stop4h 54m
Delta
Thu 5/286:10 pm
SAT
-
BIL
1 stop6h 04m
Delta
Deal found 4/29$349
This Delta deal was found by Cheapflights users on 4/29. 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 5/226:05 pm
MSO
-
SAT
1 stop5h 08m
Delta
Tue 5/266:10 pm
SAT
-
MSO
1 stop6h 30m
Delta
Deal found 4/29$349
This Delta deal was found by Cheapflights users on 4/29. 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 5/275:40 am
GTF
-
SAT
2 stops8h 30m
Delta
Tue 6/26:35 am
SAT
-
GTF
1 stop6h 52m
Delta
Deal found 4/29$349

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$165
(Alaska Airlines)

Popular in

May

Cheapest in

July

Average price

$399
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. 10% potential increase in price ($40 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 30, 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 8/6

10:33 am-4:55 pm

1 stop5h 22m

San Antonio

Sun 8/23

8:53 am-3:13 pm

1 stop7h 20m

$289

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 8/6

10:33 am-4:55 pm

1 stop5h 22m

San Antonio

Mon 8/24

5:30 am-9:45 am

1 stop5h 15m

$289

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Wed 5/27

2:37 pm-8:54 pm

1 stop5h 17m

San Antonio

Tue 6/2

4:35 pm-9:34 pm

1 stop5h 59m

$318

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Wed 5/27

6:19 pm-12:13 am

1 stop4h 54m

San Antonio

Wed 6/3

6:35 am-12:27 pm

1 stop6h 52m

$338

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Wed 6/3

6:19 pm-12:13 am

1 stop4h 54m

San Antonio

Sat 6/6

5:55 pm-10:26 pm

1 stop5h 31m

$338

BozemanSan Antonio

BZN - SAT

BZNSAT

Bozeman Gallatin Field

Thu 5/28

2:19 pm-12:44 am

1 stop9h 25m

San Antonio

Thu 6/4

6:10 pm-11:44 pm

1 stop6h 34m

$344

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Mon 9/28

7:29 pm-4:16 pm

1 stop19h 47m

San Antonio

Wed 9/30

5:12 pm-11:29 pm

1 stop7h 17m

$349

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Fri 5/22

6:19 pm-12:13 am

1 stop4h 54m

San Antonio

Wed 5/27

6:10 pm-11:14 pm

1 stop6h 04m

$349
Quickest round-trip

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Fri 6/5

6:19 pm-12:13 am

1 stop4h 54m

San Antonio

Sun 6/14

6:30 am-10:59 am

1 stop5h 29m

$349

MissoulaSan Antonio

MSO - SAT

MSOSAT

Missoula Johnson-Bell Field

Thu 5/21

5:30 am-1:37 pm

1 stop7h 07m

San Antonio

Sun 5/24

6:35 am-12:34 pm

1 stop6h 59m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 resultsSorted by cheapest first
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, 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 May is currently the most expensive (average of $309). 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.

How much does it cost to fly round-trip from Montana to San Antonio?

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 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?

  • 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 May is currently the most expensive (average of $309). 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.

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 April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$150Average$408FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$228Average$349FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$278Average$491FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$290Average$308FlexibilityNo 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.