HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Great Falls

$303+ Cheap flights from San Antonio to Great Falls (SAT - GTF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — GTF
Apr 5 — Apr 121
Sun 4/5
Sun 4/12
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

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 March 6, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/2. 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 6/97:00 am
SAT
-
GTF
1 stop12h 12m
Alaska Airlines
Sat 6/135:03 pm
GTF
-
SAT
1 stop10h 57m
Alaska Airlines
Deal found 3/2$303
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Tue 6/94:35 pm
SAT
-
GTF
1 stop5h 59m
United Airlines
Sat 6/132:37 pm
GTF
-
SAT
1 stop5h 17m
United Airlines
Deal found 3/1$318
This Delta deal was found by Cheapflights users on 3/4. 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 7/216:05 pm
SAT
-
GTF
1 stop5h 39m
Delta
Sun 7/266:20 pm
GTF
-
SAT
1 stop5h 24m
Delta
Deal found 3/4$323
This United Airlines deal was found by Cheapflights users on 3/1. 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 9/194:45 pm
SAT
-
GTF
1 stop5h 43m
United Airlines
Wed 9/232:31 pm
GTF
-
SAT
1 stop5h 14m
United Airlines
Deal found 3/1$358
This United Airlines deal was found by Cheapflights users on 3/3. 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 4/224:45 pm
SAT
-
GTF
1 stop5h 32m
United Airlines
Sat 4/256:15 am
GTF
-
SAT
1 stop5h 45m
United Airlines
Deal found 3/3$378

Find 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 March 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$303
(Alaska Airlines)

Popular in

April

Cheapest in

October

Average price

$597
Provider with most accurate pricing for San Antonio-Great Falls flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Great Falls flights.
Search Deals
From San Antonio to Great Falls
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 6, 2026.
Use the filters below to find and compare flights from San Antonio to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 6/9

7:00 am-6:12 pm

1 stop12h 12m

Great Falls

Sat 6/13

5:03 pm-5:00 am

1 stop10h 57m

$303

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 6/9

4:35 pm-9:34 pm

1 stop5h 59m

Great Falls

Sat 6/13

2:37 pm-8:54 pm

1 stop5h 17m

$318
Quickest round-trip

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 7/21

6:05 pm-10:44 pm

1 stop5h 39m

Great Falls

Sun 7/26

6:20 pm-12:44 am

1 stop5h 24m

$323

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Wed 4/22

4:45 pm-9:17 pm

1 stop5h 32m

Great Falls

Sat 4/25

6:15 am-1:00 pm

1 stop5h 45m

$378

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Fri 3/20

8:51 am-1:33 pm

1 stop5h 42m

Great Falls

Tue 3/24

2:30 pm-10:57 pm

2 stops7h 27m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Sorted by cheapest first

Compare providers for flights from San Antonio to Great Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Great Falls in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Great Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Great Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Great Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 March 6, 2026.
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
7.9
Good
8,258 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,258 reviews
Delta
7.9
Good
8,258 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,403 reviews
Delta
7.9
Good
8,258 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 5h 39m. Fly via Alaska Airlines, United Airlines, or Delta to get the fastest option. The distance between San Antonio and Great Falls is about 1418 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Delta, at $383, 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 32% 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.

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.

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 March 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$383Average$541FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$386Average$561FlexibilityNo 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.