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$372+ Cheap flights from Great Falls to San Antonio (GTF - SAT)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — SAT
nov. 28 — déc. 51
ven. 11/28
ven. 12/5
1 adult, Economy
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Cheap flight deals from Great Falls to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to San Antonio (SAT). 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 octobre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$372
(Alaska Airlines)

Popular in

February

Cheapest in

October

Average price

$393
Provider with most accurate pricing for Great Falls-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Great Falls-San Antonio flights.
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From Great Falls to San Antonio
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Great Falls to San Antonio

Cheapest flights from Great Falls to San Antonio
Explore the most affordable flight options available from Great Falls to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octobre 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/87:35 pmGTF - SAT
1 stop21h 24mAlaska Airlines
dim. 12/146:00 amSAT - GTF
1 stop13h 55mAlaska Airlines
Deal found 10/29$372
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/87:35 pmGTF - SAT
1 stop21h 24mAlaska Airlines
sam. 12/136:00 amSAT - GTF
1 stop13h 55mAlaska Airlines
Deal found 10/28$382
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/81:12 pmGTF - SAT
2 stops9h 37mDelta
dim. 12/1412:46 pmSAT - GTF
1 stop5h 42mDelta
Deal found 10/27$384
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/81:12 pmGTF - SAT
2 stops9h 37mDelta
sam. 12/138:00 amSAT - GTF
2 stops10h 28mDelta
Deal found 10/27$389
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/206:18 pmGTF - SAT
1 stop5h 24mDelta
dim. 1/46:40 amSAT - GTF
1 stop6h 51mDelta
Deal found 10/27$517
This Delta deal was found by Cheapflights users on 10/28. 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.
mer. 11/126:10 pmGTF - SAT
1 stop5h 25mDelta
dim. 11/165:59 pmSAT - GTF
1 stop5h 31mDelta
Deal found 10/28$538

Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls 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 octobre 29, 2025.
Use the filters below to find and compare flights from Great Falls to San Antonio that are best for you.

Fly from

Great Falls

Fly to

San Antonio

Route

Depart

Return

Price

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

lun. 12/8

7:35 pm-5:59 pm

1 stop21h 24m

San Antonio

sam. 12/13

6:00 am-6:55 pm

1 stop13h 55m

$372

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

lun. 12/8

7:35 pm-5:59 pm

1 stop21h 24m

San Antonio

dim. 12/14

6:00 am-6:55 pm

1 stop13h 55m

$372

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

lun. 12/8

1:12 pm-11:49 pm

2 stops9h 37m

San Antonio

dim. 12/14

12:46 pm-5:28 pm

1 stop5h 42m

$384

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

lun. 12/8

1:12 pm-11:49 pm

2 stops9h 37m

San Antonio

sam. 12/13

8:00 am-5:28 pm

2 stops10h 28m

$389

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

jeu. 4/9

6:15 pm-12:45 am

1 stop5h 30m

San Antonio

mar. 4/14

12:25 pm-5:39 pm

1 stop6h 14m

$466

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

mar. 4/14

4:00 pm-11:45 pm

1 stop6h 45m

San Antonio

sam. 4/18

7:00 am-3:20 pm

1 stop9h 20m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Great Falls to San Antonio

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 Great Falls to San Antonio in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Great Falls-San Antonio flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-San Antonio flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Great Falls-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Great Falls-San Antonio flights, Cheapflights users trust eDreams the most. eDreams 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 Great Falls-San Antonio 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 Great Falls to San Antonio

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

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

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated octobre 29, 2025.
See what other customers who have flown with Delta and United Airlines from Great Falls to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,992 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,992 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to San Antonio. 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 Great Falls to San Antonio?

    For as low as $384, Alaska Airlines can have you in San Antonio from Great Falls in 9h 37m. Great Falls and San Antonio are separated by a distance of 1418 mi. This flight may include one or multiple stops.

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

    Currently priced at $330, Delta will fly you from Great Falls to San Antonio and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $404. Delta is currently priced 37% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Great Falls 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.

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

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Top 2 airlines flying from Great Falls to San Antonio

Discover the top 2 airlines that operate flights from Great Falls 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 octobre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$330Average$578FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$404Average$651FlexibilityNo cancel feeOn-time69%

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