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$361+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — GTF
Oct 13 — Oct 201
Mon 10/13
Mon 10/20
1 adult, Economy
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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 13, 2025.

Round-trip from

$372
(Delta)

One-way from

$361
(Delta)

Popular in

April

Cheapest in

November

Average price

$475
From San Antonio to Great Falls
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One-way flight from San Antonio to Great Falls
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Highest demand for flights based on searches. 11% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 13, 2025.

This Delta deal was found by Cheapflights users on 9/12. 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 9/12$372
This Delta deal was found by Cheapflights users on 9/11. 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 11/257:05 amSAT - GTF
1 stop6h 27mDelta
Tue 12/26:10 pmGTF - SAT
1 stop5h 30mDelta
Deal found 9/11$414
This Delta deal was found by Cheapflights users on 9/11. 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
Sat 11/295:30 amGTF - SAT
1 stop7h 19mDelta
Deal found 9/11$605

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 13, 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

$372

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 11/25

12:45 pm-5:30 pm

1 stop5h 45m

Great Falls

Tue 12/2

6:10 pm-12:40 am

1 stop5h 30m

$414

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Fri 9/19

6:05 pm-10:28 pm

1 stop5h 23m

$361

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Fri 9/19

7:57 pm-3:49 pm

1 stop20h 52m

$400

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Fri 9/19

5:30 am-1:37 pm

2 stops9h 07m

$432

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Fri 9/19

6:05 pm-3:49 pm

3 stops22h 44m

$740

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 13, 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
7,960 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
8,936 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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 43% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Antonio to Great Falls one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $361. Alaska Airlines flights start at $400 while deals on United Airlines start at $432 one-way.

  • 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?

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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 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$324Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$388Average$732FlexibilityNo cancel feeOn-time69%

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