$328+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — SAT
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Find cheap flights from Great Falls to San Antonio 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 Great Falls to San Antonio
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Best
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Cheapest flights from Great Falls to San AntonioExplore 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 July 30, 2026.
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 July 30, 2026.
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 11/196:25 pm
GTF
- SAT
1 stop5h 00m
Delta
Tue 11/2412:45 pm
SAT
- GTF
1 stop5h 56m
Delta
Deal found 7/28![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/275:40 am
GTF
- SAT
2 stops8h 17m
Delta
Sat 9/126:45 am
SAT
- GTF
1 stop6h 50m
Delta
Deal found 7/27![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 7/26. 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 8/185:40 am
GTF
- SAT
2 stops8h 17m
Delta
Sun 8/237:30 am
SAT
- GTF
2 stops11h 08m
Delta
Deal found 7/26![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 7/26. 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 8/136:18 pm
GTF
- SAT
1 stop5h 08m
Delta
Sun 8/166:03 pm
SAT
- GTF
1 stop5h 35m
Delta
Deal found 7/26![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 7/26. 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 8/136:18 pm
GTF
- SAT
1 stop5h 08m
Delta
Thu 8/207:30 am
SAT
- GTF
2 stops11h 08m
Delta
Deal found 7/26![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:19 pm
GTF
- SAT
1 stop22h 00m
Alaska Airlines
Fri 9/185:41 pm
SAT
- GTF
1 stop23h 58m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 7/26. 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 8/136:18 pm
GTF
- SAT
1 stop5h 08m
Delta
Wed 8/197:42 am
SAT
- GTF
2 stops10h 56m
Delta
Deal found 7/26![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 7/26. 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 8/166:18 pm
GTF
- SAT
1 stop5h 08m
Delta
Sun 8/236:03 pm
SAT
- GTF
1 stop5h 35m
Delta
Deal found 7/26![Delta logo]()
$403
Best flights from Great Falls to San AntonioDiscover carefully curated flight deals from Great Falls to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
Discover carefully curated flight deals from Great Falls to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
This Delta deal was found by Cheapflights users on 7/25. 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 11/196:25 pm
GTF
- SAT
1 stop5h 00m
Delta
Tue 11/2412:45 pm
SAT
- GTF
1 stop5h 56m
Delta
Deal found 7/25![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/142:45 pm
GTF
- SAT
1 stop5h 08m
United Airlines
Tue 11/1711:45 am
SAT
- GTF
2 stops10h 53m
United Airlines
Deal found 7/27![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 7/26. 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 8/275:40 am
GTF
- SAT
1 stop6h 51m
Delta
Sat 9/126:45 am
SAT
- GTF
1 stop6h 50m
Delta
Deal found 7/26![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 7/26. 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 8/136:18 pm
GTF
- SAT
2 stops14h 30m
Delta
Fri 8/216:03 pm
SAT
- GTF
1 stop5h 35m
Delta
Deal found 7/26![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 7/26. 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 8/166:18 pm
GTF
- SAT
1 stop5h 08m
Delta
Sat 8/227:30 am
SAT
- GTF
2 stops11h 08m
Delta
Deal found 7/26![Delta logo]()
$409
Last-minute flights from Great Falls to San AntonioDiscover last-minute flight deals from Great Falls to San Antonio. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to San Antonio. Data last updated July 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/26. 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 8/136:18 pm
GTF
- SAT
1 stop5h 08m
Delta
Tue 8/1812:39 pm
SAT
- GTF
1 stop5h 59m
Delta
Deal found 7/26![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 7/26. 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 8/136:18 pm
GTF
- SAT
1 stop5h 08m
Delta
Thu 8/207:30 am
SAT
- GTF
2 stops11h 08m
Delta
Deal found 7/26![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/136:18 pm
GTF
- SAT
1 stop5h 08m
Delta
Sun 8/166:03 pm
SAT
- GTF
1 stop5h 35m
Delta
Deal found 7/27![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 7/26. 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 8/136:18 pm
GTF
- SAT
1 stop5h 08m
Delta
Wed 8/197:42 am
SAT
- GTF
2 stops10h 56m
Delta
Deal found 7/26![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 7/26. 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 8/166:18 pm
GTF
- SAT
1 stop5h 08m
Delta
Sun 8/236:03 pm
SAT
- GTF
1 stop5h 35m
Delta
Deal found 7/26![Delta logo]()
$403
This Delta deal was found by Cheapflights users on 7/26. 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 8/185:40 am
GTF
- SAT
2 stops8h 17m
Delta
Sun 8/237:30 am
SAT
- GTF
2 stops11h 08m
Delta
Deal found 7/26![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/275:40 am
GTF
- SAT
1 stop6h 51m
Delta
Sat 9/126:45 am
SAT
- GTF
1 stop6h 50m
Delta
Deal found 7/27![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:25 pm
GTF
- SAT
1 stop5h 27m
United Airlines
Sat 9/124:45 pm
SAT
- GTF
1 stop5h 27m
United Airlines
Deal found 7/28![United Airlines logo]()
$438
Find 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 July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $328 (Delta) |
Popular in | November |
Cheapest in | July |
Average price | $278 |
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 July 30, 2026.
Use the filters below to find and compare flights from Great Falls to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Thu 11/19
6:25 pm-12:25 am
1 stop5h 00m
San Antonio
Tue 11/24
12:45 pm-5:41 pm
1 stop5h 56m
$328
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Thu 8/27
5:40 am-1:31 pm
1 stop6h 51m
San Antonio
Sat 9/12
6:45 am-12:35 pm
1 stop6h 50m
$328
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Thu 8/13
6:18 pm-9:48 am
2 stops14h 30m
San Antonio
Fri 8/21
6:03 pm-10:38 pm
1 stop5h 35m
$409
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Sun 8/16
6:18 pm-12:26 am
1 stop5h 08m
San Antonio
Sat 8/22
7:30 am-5:38 pm
2 stops11h 08m
$409
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Sat 11/14
2:45 pm-8:53 pm
1 stop5h 08m
San Antonio
Tue 11/17
11:45 am-9:38 pm
2 stops10h 53m
$424
Sorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Great Falls-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-San Antonio flight deals on Cheapflights vs. FlightHub >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 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 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.
GTF-SAT
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 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 July 30, 2026.
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.
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Great Falls and San Antonio flights
Browse other Great Falls and San Antonio flight options. Last updated on July 30, 2026.
Other flights from Great Falls
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Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 30, 2026.
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 July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$333 | Average$453 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$358 | Average$656 | FlexibilityNo cancel fee | On-time69% |