HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Great Falls

$186+ Cheap flights from San Antonio to Great Falls (SAT - GTF)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — GTF
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Great Falls 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 San Antonio to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Great Falls (GTF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$430
(Delta)

One-way from

$186
(Delta)

Popular in

April

Cheapest in

November

Average price

$652
From San Antonio to Great Falls
Search Deals
One-way flight from San Antonio to Great Falls
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from San Antonio to Great Falls

Cheapest flights from San Antonio to Great Falls
Explore the most affordable flight options available from San Antonio to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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 11/247:05 amSAT - GTF
1 stop6h 27mDelta
Tue 12/26:10 pmGTF - SAT
1 stop5h 30mDelta
Deal found 9/15$430
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 11/255:54 pmSAT - GTF
1 stop5h 50mDelta
Tue 12/26:10 pmGTF - SAT
1 stop5h 30mDelta
Deal found 9/15$472
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:30 amSAT - GTF
1 stop13h 32mAlaska Airlines
Tue 12/27:35 pmGTF - SAT
1 stop21h 22mAlaska Airlines
Deal found 9/16$476
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 11/255:54 pmSAT - GTF
1 stop5h 50mDelta
Wed 12/36:10 pmGTF - SAT
1 stop5h 30mDelta
Deal found 9/15$654

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Great Falls 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 16, 2025.
Use the filters below to find and compare flights from San Antonio to Great Falls that are best for you.

Fly from

San Antonio

Fly to

Great Falls

Route

Depart

Return

Price

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Mon 11/24

7:05 am-12:32 pm

1 stop6h 27m

Great Falls

Tue 12/2

6:10 pm-12:40 am

1 stop5h 30m

$430

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 11/25

5:54 pm-10:44 pm

1 stop5h 50m

Great Falls

Tue 12/2

6:10 pm-12:40 am

1 stop5h 30m

$472

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 10/14

6:07 pm-11:06 pm

1 stop5h 59m

$186

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Mon 10/13

4:39 pm-9:11 pm

1 stop5h 32m

$236

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 10/14

5:30 am-1:26 pm

2 stops8h 56m

$242

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Mon 10/13

6:00 am-5:29 pm

2 stops12h 29m

$280

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Sat 9/27

12:40 pm-5:27 pm

1 stop5h 47m

$493

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Fri 9/26

11:26 am-10:28 pm

2 stops12h 02m

$499

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Sat 9/27

5:30 am-9:11 pm

3 stops16h 41m

$715

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Fri 9/26

8:37 pm-3:49 pm

3 stops44h 12m

$928

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from San Antonio to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from San Antonio 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 San Antonio to Great Falls

What is the cheapest month to book a flight from San Antonio to Great Falls?

Currently, January is the cheapest month in which you can book a flight from San Antonio to Great Falls (average of $367). Flying from San Antonio to Great Falls in July is currently the most expensive (average of $574). 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 Great Falls

Get insights into the airlines that provide service to Great Falls. 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 Great Falls. Reviews last updated September 16, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from San Antonio to Great Falls 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.
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Antonio to Great Falls?

    There are many flights that can get you from San Antonio to Great Falls in 6h 27m. Fly via Delta to get the fastest option. The distance between San Antonio and Great Falls is about 1418 mi.

  • What are the cheapest airlines flying from San Antonio to Great Falls round-trip?

    Delta, at $324, was found to be the cheapest airline from San Antonio to Great Falls. An alternate airline flying to your destination would be United Airlines. Users have found that Delta is 44% cheaper than the other options available to this destination.

  • Can I find deals for flights from San Antonio to Great Falls that include hotel bookings?

    Yes. In addition to deals on San Antonio to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Great Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Great Falls.

  • Can I find deals for business class flights from San Antonio to Great Falls?

    Yes. Cheapflights offers flight deals from San Antonio to Great Falls 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 San Antonio to Great Falls?

    Currently, January is the cheapest month in which you can book a flight from San Antonio to Great Falls (average of $367). Flying from San Antonio to Great Falls in July is currently the most expensive (average of $574). 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 Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

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 San Antonio to Great Falls

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Bozeman flights
Dallas/Fort Worth to Kalispell flights
Hobby to Bozeman flights
George Bush Intcntl to Bozeman flights
Austin to Bozeman flights
Austin to Kalispell flights
Hobby to Missoula flights
Hobby to Kalispell flights
Dallas/Fort Worth to Missoula flights
Love Field to Bozeman flights
Dallas/Fort Worth to Billings flights
George Bush Intcntl to Kalispell flights
Austin to Billings flights
San Antonio to Kalispell flights
San Antonio to Bozeman flights
Hobby to Billings flights
George Bush Intcntl to Missoula flights
Austin to Missoula flights
George Bush Intcntl to Billings flights
Dallas/Fort Worth to Helena flights
Dallas/Fort Worth to Great Falls flights
San Antonio to Billings flights
George Bush Intcntl to Cody flights
Killeen to Missoula flights
Dallas/Fort Worth to Butte flights
Dallas/Fort Worth to West Yellowstone flights
El Paso to Bozeman flights
Austin to Helena flights
Hobby to Helena flights
Midland to Bozeman flights
Corpus Christi to Bozeman flights
Hobby to Butte flights
Lubbock to Bozeman flights
San Antonio to Missoula flights
Midland to Butte flights
Midland to Helena flights
Dallas/Fort Worth to Cody flights
George Bush Intcntl to Helena flights
George Bush Intcntl to Great Falls flights
Hobby to Great Falls flights
Austin to Butte flights
Austin to Great Falls flights
George Bush Intcntl to Butte flights
Corpus Christi to Billings flights
McAllen to West Yellowstone flights
El Paso to Missoula flights
El Paso to Helena flights
George Bush Intcntl to West Yellowstone flights
Lubbock to Cody flights

Top 2 airlines flying from San Antonio to Great Falls

Discover the top 2 airlines that operate flights from San Antonio to Great Falls. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$324Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$388Average$732FlexibilityNo cancel feeOn-time69%

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.