$222 Cheap Flights from San Antonio (SAT) to Great Falls (GTF)

View $222 flight on Tue, Jan 6, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $222 for one-way flights and $352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Jan 26 - Tue, Feb 10
SAT
San Antonio
GTF
Great Falls
$352 Roundtrip, found 1 day ago
$352
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jan 26 from San Antonio to Great Falls, returning Tue, Feb 10, priced at $352 found 1 day ago
Hawaiian Airlines
Tue, Jan 6 - Tue, Jan 20
SAT
San Antonio
GTF
Great Falls
$352 Roundtrip, found 1 hour ago
$352
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Tue, Jan 6 from San Antonio to Great Falls, returning Tue, Jan 20, priced at $352 found 1 hour ago
Hawaiian Airlines
Mon, Jan 5 - Tue, Jan 20
SAT
San Antonio
GTF
Great Falls
$362 Roundtrip, found 1 hour ago
$362
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Mon, Jan 5 from San Antonio to Great Falls, returning Tue, Jan 20, priced at $362 found 1 hour ago
Alaska Airlines
Thu, Jan 1 - Tue, Jan 13
SAT
San Antonio
GTF
Great Falls
$372 Roundtrip, found 1 hour ago
$372
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Jan 1 from San Antonio to Great Falls, returning Tue, Jan 13, priced at $372 found 1 hour ago
Hawaiian Airlines
Thu, Feb 12 - Sat, Feb 28
SAT
San Antonio
GTF
Great Falls
$382 Roundtrip, found 1 hour ago
$382
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Thu, Feb 12 from San Antonio to Great Falls, returning Sat, Feb 28, priced at $382 found 1 hour ago
Hawaiian Airlines
Mon, Dec 15 - Sun, Jan 4
SAT
San Antonio
GTF
Great Falls
$392 Roundtrip, found 1 hour ago
$392
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Mon, Dec 15 from San Antonio to Great Falls, returning Sun, Jan 4, priced at $392 found 1 hour ago
Hawaiian Airlines
Mon, Jan 26 - Wed, Feb 11
SAT
San Antonio
GTF
Great Falls
$402 Roundtrip, found 1 hour ago
$402
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Mon, Jan 26 from San Antonio to Great Falls, returning Wed, Feb 11, priced at $402 found 1 hour ago
Hawaiian Airlines
Mon, Mar 9 - Tue, Mar 24
SAT
San Antonio
GTF
Great Falls
$404 Roundtrip, found 1 hour ago
$404
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Mon, Mar 9 from San Antonio to Great Falls, returning Tue, Mar 24, priced at $404 found 1 hour ago
Delta
Tue, Jan 20 - Wed, Feb 4
SAT
San Antonio
GTF
Great Falls
$456 Roundtrip, found 1 hour ago
$456
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Jan 20 from San Antonio to Great Falls, returning Wed, Feb 4, priced at $456 found 1 hour ago
United
Wed, Dec 3 - Wed, Dec 10
SAT
San Antonio
GTF
Great Falls
$456 Roundtrip, found 15 hours ago
$456
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Dec 3 from San Antonio to Great Falls, returning Wed, Dec 10, priced at $456 found 15 hours ago

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

February is typically the cheapest month to fly

From $276 - $776 per traveler.

Alternative airports near Great Falls

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

Select flight to Great Falls Intl. GTF. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $507
GTF
Great Falls Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $507
Flights from San Antonio (SAT) to Great Falls (GTF)
Origin airport
San Antonio Intl.
Destination airport
Great Falls Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$352
Distance
1418 mi

San Antonio to Great Falls Flights

The cheapest times to fly from San Antonio to Great Falls

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 San Antonio to Great Falls are during the month of January. You can find some of the cheapest flights from San Antonio to Great Falls with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Antonio to Great Falls: 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 San Antonio to Great Falls

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 San Antonio to Great Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $222 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 San Antonio to Great Falls 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 San Antonio to Great Falls 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.

 

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Great Falls Intl. Airport (GTF) cost?
Get a cheap one-way flight from $222 or cheap return flight from $352 from San Antonio Intl. Airport (SAT) to Great Falls Intl. Airport (GTF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Great Falls Intl. Airport (GTF)?
Planning your trip for January can help you save, as it's the cheapest month for flights between SAT and GTF. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Great Falls Intl. Airport (GTF)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SAT to GTF flight.
How many flights per day from San Antonio Intl. Airport (SAT) to Great Falls Intl. Airport (GTF)?
There aren't any daily nonstop flights available from San Antonio Intl. Airport (SAT) to Great Falls Intl. Airport (GTF). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from SAT to GTF?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Great Falls Intl. Airport (GTF)?
Opt for a flight from San Antonio Intl. Airport (SAT) to Great Falls Intl. Airport (GTF) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**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 San Antonio Intl. Airport (SAT) to Great Falls Intl. Airport (GTF) last-minute?
Booking your flight from SAT to GTF right before your trip is usually more expensive. But if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a SAT to GTF flight and hotel package?
Securing a SAT to GTF flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Great Falls Intl. Airport (GTF)?
It's usually possible to reschedule or cancel your SAT to GTF 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 possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.