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$328+ 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — GTF
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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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 July 25, 2026.

This Delta deal was found by Cheapflights users on 7/22. 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.
Mon 12/218:00 am
SAT
-
GTF
1 stop5h 27m
Delta
Mon 12/286:20 pm
GTF
-
SAT
1 stop5h 25m
Delta
Deal found 7/22$328
This Delta deal was found by Cheapflights users on 7/20. 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 10/126:35 am
SAT
-
GTF
1 stop6h 58m
Delta
Sat 10/171:13 pm
GTF
-
SAT
1 stop6h 59m
Delta
Deal found 7/20$343
This Delta deal was found by Cheapflights users on 7/21. 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.
Sun 10/116:35 am
SAT
-
GTF
1 stop6h 58m
Delta
Sat 10/171:13 pm
GTF
-
SAT
1 stop6h 59m
Delta
Deal found 7/21$353
This Delta deal was found by Cheapflights users on 7/21. 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 8/66:03 pm
SAT
-
GTF
1 stop5h 35m
Delta
Tue 8/116:18 pm
GTF
-
SAT
1 stop5h 08m
Delta
Deal found 7/21$423
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:50 pm
SAT
-
GTF
1 stop5h 32m
United Airlines
Wed 9/302:37 pm
GTF
-
SAT
1 stop5h 05m
United Airlines
Deal found 7/24$458

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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$328
(Delta)
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
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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 July 25, 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

Mon 12/21

8:00 am-12:27 pm

1 stop5h 27m

Great Falls

Mon 12/28

6:20 pm-12:45 am

1 stop5h 25m

$328

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Mon 10/12

7:30 am-5:38 pm

2 stops11h 08m

Great Falls

Sat 10/17

1:13 pm-9:12 pm

1 stop6h 59m

$414

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Thu 8/6

6:03 pm-10:38 pm

1 stop5h 35m

Great Falls

Tue 8/11

6:18 pm-12:26 am

1 stop5h 08m

$423
Quickest round-trip

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Sat 9/26

4:50 pm-9:22 pm

1 stop5h 32m

Great Falls

Wed 9/30

2:37 pm-8:42 pm

1 stop5h 05m

$458

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Sun 8/30

4:39 pm-9:12 pm

1 stop5h 33m

Great Falls

Mon 9/7

6:15 am-12:43 pm

1 stop5h 28m

$482

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Sun 10/11

6:35 am-12:33 pm

1 stop6h 58m

Great Falls

Sat 10/17

6:23 pm-9:43 am

2 stops14h 20m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

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 July.
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 July 25, 2026.
Peruse reviews from past customers who have flown with Delta 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
7.8
Good
8,486 reviews

Crew

8.5

Boarding

8.1

Overall

7.8

Food

7.2

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
Delta
7.8
Good
8,486 reviews
Delta
7.8
Good
8,486 reviews

Crew

8.5

Boarding

8.1

Overall

7.8

Food

7.2

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

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 27m. Fly via Delta to get the fastest option. The distance between San Antonio and Great Falls is about 1418 mi.

  • What is the cheapest airline to fly from San Antonio to Great Falls round-trip?

    Delta, at $318, was found to be the cheapest airline from San Antonio to Great Falls..

  • 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?

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Top airline flying from San Antonio to Great Falls

Discover the top airline 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$318Average$458FlexibilityNo cancel feeOn-timeN/A

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