$216 Cheap Flights from Great Falls (GTF) to San Antonio (SAT)

View $216 flight on Tue, Jan 6, 2026Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to San Antonio International Airport (SAT)

Cheap Flights from Great Falls to San Antonio (GTF-SAT)

Prices were available within the past 7 days and start at $216 for one-way flights and $352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Mar 3 - Mon, Mar 9
GTF
Great Falls
SAT
San Antonio
$352 Roundtrip, found 20 hours ago
$352
Roundtrip
found 20 hours ago
Select Hawaiian Airlines flight, departing Tue, Mar 3 from Great Falls to San Antonio, returning Mon, Mar 9, priced at $352 found 20 hours ago
Hawaiian Airlines
Sat, Mar 7 - Mon, Mar 9
GTF
Great Falls
SAT
San Antonio
$362 Roundtrip, found 20 hours ago
$362
Roundtrip
found 20 hours ago
Select Hawaiian Airlines flight, departing Sat, Mar 7 from Great Falls to San Antonio, returning Mon, Mar 9, priced at $362 found 20 hours ago
Alaska Airlines
Sat, Jan 24 - Thu, Feb 12
GTF
Great Falls
SAT
San Antonio
$372 Roundtrip, found 1 day ago
$372
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Jan 24 from Great Falls to San Antonio, returning Thu, Feb 12, priced at $372 found 1 day ago
Delta
Wed, Feb 4 - Sat, Feb 7
GTF
Great Falls
SAT
San Antonio
$378 Roundtrip, found 6 days ago
$378
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Feb 4 from Great Falls to San Antonio, returning Sat, Feb 7, priced at $378 found 6 days ago
United
Wed, Feb 4 - Sat, Feb 7
GTF
Great Falls
SAT
San Antonio
$378 Roundtrip, found 6 days ago
$378
Roundtrip
found 6 days ago
Select United flight, departing Wed, Feb 4 from Great Falls to San Antonio, returning Sat, Feb 7, priced at $378 found 6 days ago
Delta
Sun, Nov 16 - Mon, Nov 17
GTF
Great Falls
SAT
San Antonio
$378 Roundtrip, found 6 days ago
$378
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Nov 16 from Great Falls to San Antonio, returning Mon, Nov 17, priced at $378 found 6 days ago
Hawaiian Airlines
Tue, Dec 2 - Thu, Dec 18
GTF
Great Falls
SAT
San Antonio
$382 Roundtrip, found 3 days ago
$382
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Dec 2 from Great Falls to San Antonio, returning Thu, Dec 18, priced at $382 found 3 days ago
Delta
Wed, Feb 4 - Sat, Feb 7
GTF
Great Falls
SAT
San Antonio
$385 Roundtrip, found 6 days ago
$385
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Feb 4 from Great Falls to San Antonio, returning Sat, Feb 7, priced at $385 found 6 days ago
Hawaiian Airlines
Sun, Dec 7 - Thu, Dec 18
GTF
Great Falls
SAT
San Antonio
$392 Roundtrip, found 3 days ago
$392
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sun, Dec 7 from Great Falls to San Antonio, returning Thu, Dec 18, priced at $392 found 3 days ago
Alaska Airlines
Sat, Jan 24 - Mon, Feb 16
GTF
Great Falls
SAT
San Antonio
$402 Roundtrip, found 1 day ago
$402
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Jan 24 from Great Falls to San Antonio, returning Mon, Feb 16, priced at $402 found 1 day ago

Find the cheapest month to fly from Great Falls (GTF) to San Antonio (SAT)

February is typically the cheapest month to fly

From $276 - $776 per traveler.

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $507
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $507

Frequently asked questions

How much does a flight from Great Falls Intl. Airport (GTF) to San Antonio Intl. Airport (SAT) cost?
Get a cheap one-way flight from $216 or cheap return flight from $352 from Great Falls Intl. Airport (GTF) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Great Falls Intl. Airport (GTF) to San Antonio Intl. Airport (SAT)?
Planning your trip for March can help you save, as it's the cheapest month for flights between GTF and SAT. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Great Falls Intl. Airport (GTF) to San Antonio Intl. Airport (SAT)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from GTF to SAT. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Great Falls Intl. Airport (GTF) to San Antonio Intl. Airport (SAT)?
Nonstop flights from Great Falls Intl. Airport (GTF) to San Antonio Intl. Airport (SAT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GTF to SAT?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Great Falls Intl. Airport (GTF) to San Antonio Intl. Airport (SAT)?
To land at San Antonio Intl. Airport (SAT) without delays, select a flight that leaves Great Falls Intl. Airport (GTF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Great Falls Intl. Airport (GTF) to San Antonio Intl. Airport (SAT) last-minute?
Waiting until just before your departure to book a flight from GTF to SAT often results in higher prices. While you might find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a GTF to SAT flight and hotel package?
You'll typically save money by booking a GTF to SAT flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your ideal flights and accommodations, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to San Antonio Intl. Airport (SAT)?
You can usually cancel or reschedule your GTF to SAT flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Great Falls Intl.
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$352
Distance
1418 mi

Book with confidence

Great Falls to San Antonio Flights

The cheapest times to fly from Great Falls to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Great Falls to San Antonio are during the month of March. You can find some of the cheapest flights from Great Falls to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Great Falls to San Antonio

Sunday is one of the best days to book for cheap flights from Great Falls to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Great Falls to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Great Falls to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $216 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Great Falls to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Great Falls to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Great Falls to San Antonio Flights

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*Available to One Key members.