$318+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — SAT
Jul 19 — Jul 261
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
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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 June 19, 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 June 19, 2026.
This Delta deal was found by Cheapflights users on 6/16. 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 11/196:20 pm
GTF
- SAT
1 stop5h 25m
Delta
Tue 11/246:05 pm
SAT
- GTF
1 stop5h 48m
Delta
Deal found 6/16![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 7/16:15 am
GTF
- SAT
1 stop5h 28m
United Airlines
Tue 7/74:35 pm
SAT
- GTF
1 stop5h 59m
United Airlines
Deal found 6/16![United Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 6/14. 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.
Fri 7/106:25 pm
GTF
- SAT
1 stop5h 01m
Delta
Mon 7/136:03 pm
SAT
- GTF
1 stop5h 34m
Delta
Deal found 6/14![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 6/16. 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 6/16![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/18. 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 6/18![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 6/15. 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.
Wed 7/11:20 pm
GTF
- SAT
2 stops10h 13m
Delta
Tue 7/76:03 pm
SAT
- GTF
1 stop5h 34m
Delta
Deal found 6/15![Delta logo]()
$424
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 June 19, 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 June 19, 2026.
This Delta deal was found by Cheapflights users on 6/14. 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 11/196:20 pm
GTF
- SAT
1 stop5h 25m
Delta
Tue 11/2410:45 am
SAT
- GTF
2 stops13h 08m
Delta
Deal found 6/14![Delta logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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.
Thu 8/275:18 pm
GTF
- SAT
2 stops20h 04m
Alaska Airlines
Sat 9/126:00 am
SAT
- GTF
2 stops11h 39m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Wed 11/116:15 am
GTF
- SAT
1 stop5h 50m
United Airlines
Sat 11/148:55 am
SAT
- GTF
1 stop5h 34m
United Airlines
Deal found 6/17![United Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 6/15. 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 6/15![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 6/14. 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.
Fri 7/106:25 pm
GTF
- SAT
1 stop5h 01m
Delta
Mon 7/136:03 pm
SAT
- GTF
1 stop5h 34m
Delta
Deal found 6/14![Delta logo]()
$383
Last-minute flights from Great Falls to San AntonioDiscover last-minute flight deals from Great Falls to San Antonio. Data last updated June 19, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to San Antonio. Data last updated June 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 6/306:15 am
GTF
- SAT
1 stop5h 28m
United Airlines
Sat 7/48:52 am
SAT
- GTF
1 stop5h 49m
United Airlines
Deal found 6/15![United Airlines logo]()
$647
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 7/16:15 am
GTF
- SAT
1 stop5h 28m
United Airlines
Tue 7/74:35 pm
SAT
- GTF
1 stop5h 59m
United Airlines
Deal found 6/16![United Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 6/15. 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.
Wed 7/11:20 pm
GTF
- SAT
2 stops10h 13m
Delta
Tue 7/76:03 pm
SAT
- GTF
1 stop5h 34m
Delta
Deal found 6/15![Delta logo]()
$424
This Expedia deal was found by Cheapflights users on 6/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:09 pm
GTF
- SAT
1 stop10h 51m
Alaska Airlines
Tue 7/77:02 am
SAT
- GTF
1 stop10h 27m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 6/14. 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.
Fri 7/106:25 pm
GTF
- SAT
1 stop5h 01m
Delta
Mon 7/136:03 pm
SAT
- GTF
1 stop5h 34m
Delta
Deal found 6/14![Delta logo]()
$383
One-way flights from Great Falls to San AntonioSearch for one-way flight options from Great Falls to San Antonio. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
Search for one-way flight options from Great Falls to San Antonio. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/29:10 pm
GTF
- SAT
3 stops46h 27m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Mon 6/292:37 pm
GTF
- SAT
1 stop5h 17m
United Airlines
Deal found 6/15![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Sun 8/26:15 am
GTF
- SAT
1 stop5h 28m
United Airlines
Deal found 6/18![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 6/15. 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 6/252:37 pm
GTF
- SAT
1 stop5h 17m
United Airlines
Deal found 6/15![United Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 6/15. 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 6/255:40 am
GTF
- SAT
2 stops14h 52m
Delta
Deal found 6/15![Delta logo]()
$499
This Delta deal was found by Cheapflights users on 6/15. 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 6/295:40 am
GTF
- SAT
1 stop7h 00m
Delta
Deal found 6/15![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Sun 6/286:15 am
GTF
- SAT
1 stop5h 28m
United Airlines
Deal found 6/15![United Airlines logo]()
$652
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 June 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $318 (Delta) |
Popular in | June |
Cheapest in | April |
Average price | $732 |
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 June 19, 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
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Thu 11/19
6:20 pm-12:45 am
1 stop5h 25m
San Antonio
Tue 11/24
10:45 am-10:53 pm
2 stops13h 08m
$324
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Thu 8/27
5:40 am-2:57 pm
2 stops8h 17m
San Antonio
Sat 9/12
6:45 am-12:35 pm
1 stop6h 50m
$324
Quickest round-trip
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Fri 7/10
6:25 pm-12:26 am
1 stop5h 01m
San Antonio
Mon 7/13
6:03 pm-10:37 pm
1 stop5h 34m
$383
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Thu 8/27
5:18 pm-2:22 pm
2 stops20h 04m
San Antonio
Sat 9/12
6:00 am-4:39 pm
2 stops11h 39m
$499
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Wed 11/11
6:15 am-1:05 pm
1 stop5h 50m
San Antonio
Sat 11/14
8:55 am-1:29 pm
1 stop5h 34m
$529
Cheapest one-way
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Sun 8/2
9:10 pm-8:37 pm
3 stops46h 27m
$337
Quickest one-way
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Mon 6/29
2:37 pm-8:54 pm
1 stop5h 17m
$418
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Sun 8/2
6:15 am-12:43 pm
1 stop5h 28m
$450
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Thu 6/25
2:37 pm-8:54 pm
1 stop5h 17m
$493
Great FallsSan Antonio
GTF - SAT
GTFSAT
Great Falls
Mon 6/29
5:40 am-2:52 pm
2 stops8h 12m
$599
Showing 1-10 of 12 resultsSorted 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 June.
| 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.
Cheapflights Insights
Everything you need to know about your flight from Great Falls to San Antonio
What is the cheapest month to book a flight from Great Falls to San Antonio?
Currently, April is the cheapest month in which you can book a flight from Great Falls to San Antonio (average of $378). Flying from Great Falls to San Antonio in June is currently the most expensive (average of $732). 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.
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 June 19, 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.
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
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 June 19, 2026.
Other flights from Great Falls
Browse through other flights departing from Great Falls. Flights are based on user searches made on Cheapflights and were last updated on June 19, 2026.
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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 June 19, 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 June 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$330 | Average$671 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$330 | Average$458 | FlexibilityNo cancel fee | On-timeN/A |