How do I get Price Alerts for flights from San Antonio to Great Falls?

Search flight deals from San Antonio to Great Falls . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from San Antonio to Great Falls with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from San Antonio Airport to Great Falls Airport?

Prices for flights from San Antonio Airport to Great Falls Airport refresh daily.

How many operators does momondo search for flights from San Antonio Airport to Great Falls Airport?

As of August 2026, there is 1 operator available to choose from for flights from San Antonio Airport to Great Falls Airport.

How old do you have to be to fly from San Antonio Airport to Great Falls Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Great Falls Airport.

What documentation or ID do you need to fly to Great Falls Airport?

The travel and health documents required for your trip to Great Falls Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Great Falls Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$328 Cheap Flights from San Antonio to Great Falls in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Great Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:35 am - 12:38 pmSAT San Antonio-GTF Great Falls

7h 03m1 stop Salt Lake City

1:18 pm - 9:22 pmGTF Great Falls-SAT San Antonio

7h 04m1 stop Salt Lake City

$328Delta

Wed, Oct 7 - Sat, Oct 10

6:05 pm - 10:53 pmSAT San Antonio-GTF Great Falls

5h 48m1 stop Salt Lake City

6:20 pm - 12:45 amGTF Great Falls-SAT San Antonio

5h 25m1 stop Salt Lake City

$328Delta

Thu, Dec 31 - Mon, Jan 4

6:35 am - 12:38 pmSAT San Antonio-GTF Great Falls

7h 03m1 stop Salt Lake City

6:27 pm - 12:30 amGTF Great Falls-SAT San Antonio

5h 03m1 stop Salt Lake City

$328Delta

Thu, Oct 8 - Mon, Oct 12

6:04 pm - 10:46 pmSAT San Antonio-GTF Great Falls

5h 42m1 stop Salt Lake City

1:13 pm - 8:56 pmGTF Great Falls-SAT San Antonio

6h 43m1 stop Salt Lake City

$328Delta

Tue, Nov 10 - Sat, Nov 14

7:50 am - 5:47 pmSAT San Antonio-GTF Great Falls

10h 57m2 stops Los Angeles Salt Lake City

1:18 pm - 9:22 pmGTF Great Falls-SAT San Antonio

7h 04m1 stop Salt Lake City

$334Delta

Wed, Oct 7 - Sat, Oct 10

6:35 am - 12:38 pmSAT San Antonio-GTF Great Falls

7h 03m1 stop Salt Lake City

1:18 pm - 12:13 amGTF Great Falls-SAT San Antonio

9h 55m2 stops Salt Lake City Los Angeles

$334Delta

Thu, Oct 8 - Mon, Oct 12

7:41 am - 12:31 pmSAT San Antonio-GTF Great Falls

5h 50m1 stop Salt Lake City

5:35 am - 2:52 pmGTF Great Falls-SAT San Antonio

8h 17m2 stops Salt Lake City Los Angeles

$334Delta

Tue, Nov 10 - Sat, Nov 14

11:45 am - 10:46 pmSAT San Antonio-GTF Great Falls

12h 01m2 stops Detroit Metropolitan Wayne County Salt Lake City

5:35 am - 5:27 pmGTF Great Falls-SAT San Antonio

10h 52m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$339Delta

Tue, Nov 10 - Sat, Nov 14

4:39 pm - 9:12 pmSAT San Antonio-GTF Great Falls

5h 33m1 stop Denver Intl

6:15 am - 12:43 pmGTF Great Falls-SAT San Antonio

5h 28m1 stop Denver Intl

$363United Airlines

Wed, Aug 26 - Sat, Aug 29

4:39 pm - 9:12 pmSAT San Antonio-GTF Great Falls

5h 33m1 stop Denver Intl

6:15 am - 12:43 pmGTF Great Falls-SAT San Antonio

5h 28m1 stop Denver Intl

$363United Airlines

Wed, Aug 26 - Sun, Aug 30

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Delta flights from San Antonio to Great Falls

Our best Delta deals on San Antonio to Great Falls flight tickets

Delta

Oct 7

SAT6:35 amSan Antonio

7h 03m

1 stop

GTF12:38 pmGreat Falls

Oct 10

GTF1:18 pmGreat Falls

7h 04m

1 stop

SAT9:22 pmSan Antonio

$328

Delta

Oct 7

SAT7:50 amSan Antonio

10h 57m

2 stops

GTF5:47 pmGreat Falls

Oct 10

GTF1:18 pmGreat Falls

7h 04m

1 stop

SAT9:22 pmSan Antonio

$334

Delta

Nov 10

SAT11:45 amSan Antonio

12h 01m

2 stops

GTF10:46 pmGreat Falls

Nov 14

GTF5:35 amGreat Falls

10h 52m

2 stops

SAT5:27 pmSan Antonio

$339

United Airlines flights from San Antonio to Great Falls

Our best United Airlines deals on San Antonio to Great Falls flight tickets

United Airlines

Aug 26

SAT4:39 pmSan Antonio

5h 33m

1 stop

GTF9:12 pmGreat Falls

Aug 30

GTF6:15 amGreat Falls

5h 28m

1 stop

SAT12:43 pmSan Antonio

$363

United Airlines

Oct 24

SAT4:50 pmSan Antonio

5h 32m

1 stop

GTF9:22 pmGreat Falls

Oct 28

GTF6:30 amGreat Falls

5h 16m

1 stop

SAT12:46 pmSan Antonio

$418

United Airlines

Oct 24

SAT5:30 amSan Antonio

9h 11m

2 stops

GTF1:41 pmGreat Falls

Oct 28

GTF6:30 amGreat Falls

5h 16m

1 stop

SAT12:46 pmSan Antonio

$424

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Wed 10/7

6:35 am-12:38 pm

1 stop7h 03m

Great Falls

Sat 10/10

1:18 pm-9:22 pm

1 stop7h 04m

$328

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Thu 12/31

6:05 pm-10:53 pm

1 stop5h 48m

Great Falls

Mon 1/4

6:20 pm-12:45 am

1 stop5h 25m

$328

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Thu 10/8

6:35 am-12:38 pm

1 stop7h 03m

Great Falls

Mon 10/12

6:27 pm-12:30 am

1 stop5h 03m

$328

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Tue 11/10

6:04 pm-10:46 pm

1 stop5h 42m

Great Falls

Sat 11/14

1:13 pm-8:56 pm

1 stop6h 43m

$328

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Wed 10/7

7:50 am-5:47 pm

2 stops10h 57m

Great Falls

Sat 10/10

1:18 pm-9:22 pm

1 stop7h 04m

$334

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Thu 10/8

6:35 am-12:38 pm

1 stop7h 03m

Great Falls

Mon 10/12

1:18 pm-12:13 am

2 stops9h 55m

$334

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Tue 11/10

7:41 am-12:31 pm

1 stop5h 50m

Great Falls

Sat 11/14

5:35 am-2:52 pm

2 stops8h 17m

$334

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Tue 11/10

11:45 am-10:46 pm

2 stops12h 01m

Great Falls

Sat 11/14

5:35 am-5:27 pm

2 stops10h 52m

$339

Quickest round-trip

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Wed 8/26

4:39 pm-9:12 pm

1 stop5h 33m

Great Falls

Sat 8/29

6:15 am-12:43 pm

1 stop5h 28m

$363

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Wed 8/26

4:39 pm-9:12 pm

1 stop5h 33m

Great Falls

Sun 8/30

6:15 am-12:43 pm

1 stop5h 28m

$363

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from San Antonio to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Great Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Antonio to Great Falls (SAT to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Great Falls

Fastest flight time	5h 27m
Direct flights	None

The fastest flight from San Antonio to Great Falls takes 5h 27m

There are no direct flights from San Antonio to Great Falls. There are no popular flight routes from San Antonio to Great Falls.

Search flight deals

Frequently asked questions about flying from San Antonio to Great Falls

How far is San Antonio to Great Falls by plane?
The straight-line distance from San Antonio to Great Falls is 1422.9 mi. In terms of flight time, this usually takes a little over 5h 27m.
When did momondo last update prices for flights from San Antonio Airport to Great Falls Airport?
Prices for flights from San Antonio Airport to Great Falls Airport refresh daily.
How many operators does momondo search for flights from San Antonio Airport to Great Falls Airport?
As of August 2026, there is 1 operator available to choose from for flights from San Antonio Airport to Great Falls Airport.
How old do you have to be to fly from San Antonio Airport to Great Falls Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The travel and health documents required for your trip to Great Falls Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Great Falls Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from San Antonio to Great Falls?
Based on momondo bookings for this flight route, the most popular airline on flight routes from San Antonio to Great Falls is Delta (100% of total bookings).

Best airlines flying from San Antonio to Great Falls

Compare and see reviews for airlines that fly from San Antonio to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $318	Free Cancellation	Rating 7.8 8,499 reviews		Search Delta flights

Frequently asked questions about flying from San Antonio to Great Falls

How do I get Price Alerts for flights from San Antonio to Great Falls?
Search flight deals from San Antonio to Great Falls. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from San Antonio to Great Falls with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Shelby

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Great Falls?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Antonio to Great Falls. momondo saves you time and could save you money on your trip.

Can I find flights from San Antonio to Great Falls with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Great Falls from San Antonio with this policy.

How can momondo help me find flights from San Antonio to Great Falls?

Once you have performed a search for San Antonio to Great Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Antonio to Great Falls right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Great Falls, momondo offers a useful price alert feature which will track prices for flights to Great Falls from San Antonio and alert you when they change.