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$202+ 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
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$275
(Mytrip)

One-way from

$202
(Delta)

Popular in

October

Cheapest in

December

Average price

$721
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. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/2610:57 pmSAT - GTF
1 stop11h 30mMultiple Airlines
lun. 6/3010:17 amGTF - SAT
1 stop17h 43mMultiple Airlines
Deal found 6/11$275
This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 11/2512:25 pmSAT - GTF
1 stop6h 17mDelta
mar. 12/26:20 pmGTF - SAT
1 stop5h 26mDelta
Deal found 6/10$516
This United Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 7/18:55 amSAT - GTF
1 stop13h 18mUnited Airlines
mar. 7/82:35 pmGTF - SAT
1 stop8h 24mUnited Airlines
Deal found 6/10$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 junio 12, 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

jue. 6/26

10:57 pm-9:27 am

1 stop11h 30m

Great Falls

lun. 6/30

10:17 am-5:00 am

1 stop17h 43m

$275

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

mar. 11/25

12:25 pm-5:42 pm

1 stop6h 17m

Great Falls

mar. 12/2

6:20 pm-12:46 am

1 stop5h 26m

$516

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

mar. 7/1

8:55 am-9:13 pm

1 stop13h 18m

Great Falls

mar. 7/8

2:35 pm-11:59 pm

1 stop8h 24m

$605

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

vie. 9/19

6:05 pm-10:51 pm

1 stop5h 46m

$202

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

vie. 9/19

5:00 am-3:49 pm

2 stops11h 49m

$257

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

vie. 9/19

7:15 pm-1:37 pm

3 stops19h 22m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

Rainfall in Great Falls by month

Plan your trip to Great Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Great Falls ranges from 0.5 - 2.5 inches per month. June is typically the wettest month, when rainfall can reach 2.5 in. January is typically the driest time to visit Great Falls when rainfall is around 0.5 in.

Temperature in Great Falls by month

Plan your trip to Great Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Great Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 junio 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Delta, at $516, 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 9% 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 $202. Alaska Airlines flights start at $257 while deals on United Airlines start at $398 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

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$318Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$358Average$564FlexibilityNo cancel feeOn-time69%

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