What is the cheapest airline that flies from San Antonio to Great Falls?

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from San Antonio to Great Falls

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 2025, there are 2 operators 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.

$193 Cheap Flights from San Antonio to Great Falls in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from San Antonio to Great Falls

Round-trip

One-way

Cheap round-trip flights

6:05 pm - 10:51 pmSAT-GTF

5h 46m1 stop

6:20 pm - 12:46 amGTF-SAT

5h 26m1 stop

$370Delta

Find Deal

Mon, Nov 24 - Tue, Dec 2

12:50 pm - 10:51 pmSAT-GTF

11h 01m2 stops

6:20 pm - 12:46 amGTF-SAT

5h 26m1 stop

$380Delta

Find Deal

Mon, Nov 24 - Tue, Dec 2

6:05 pm - 10:51 pmSAT-GTF

5h 46m1 stop

6:20 pm - 12:46 amGTF-SAT

5h 26m1 stop

$401Delta

Find Deal

Tue, Nov 25 - Tue, Dec 2

6:30 am - 5:42 pmSAT-GTF

12h 12m2 stops

6:20 pm - 12:46 amGTF-SAT

5h 26m1 stop

$411Delta

Find Deal

Tue, Nov 25 - Tue, Dec 2

12:25 pm - 5:42 pmSAT-GTF

6h 17m1 stop

6:20 pm - 12:46 amGTF-SAT

5h 26m1 stop

$421Delta

Find Deal

Tue, Nov 25 - Tue, Dec 2

6:30 am - 5:42 pmSAT-GTF

12h 12m2 stops

6:20 pm - 12:46 amGTF-SAT

5h 26m1 stop

$431Delta

Find Deal

Tue, Nov 25 - Tue, Dec 2

7:21 am - 7:02 pmSAT-GTF

12h 41m2 stops

7:35 pm - 10:55 pmGTF-SAT

26h 20m2 stops

$645Alaska Airlines

Find Deal

Tue, Nov 25 - Tue, Dec 2

7:21 am - 7:02 pmSAT-GTF

12h 41m2 stops

7:35 pm - 10:55 pmGTF-SAT

26h 20m2 stops

$665Alaska Airlines

Find Deal

Tue, Nov 25 - Tue, Dec 2

9:50 am - 9:28 pmSAT-GTF

12h 38m2 stops

2:35 pm - 5:42 pmGTF-SAT

26h 07m2 stops

$679United Airlines

Find Deal

Mon, Sep 1 - Fri, Sep 5

5:30 am - 1:37 pmSAT-GTF

33h 07m3 stops

7:00 am - 5:42 pmGTF-SAT

9h 42m2 stops

$684United Airlines

Find Deal

Tue, Sep 2 - Sat, Sep 6

United Airlines flights from San Antonio to Great Falls

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

United Airlines

Sep 1

SAT9:50 amSan Antonio

12h 38m

2 stops

GTF9:28 pmGreat Falls

Sep 5

GTF2:35 pmGreat Falls

26h 07m

2 stops

SAT5:42 pmSan Antonio

$679

Find similar

United Airlines

Sep 2

SAT5:30 amSan Antonio

33h 07m

3 stops

GTF1:37 pmGreat Falls

Sep 6

GTF7:00 amGreat Falls

9h 42m

2 stops

SAT5:42 pmSan Antonio

$684

Find similar

United Airlines

Aug 22

SAT4:37 pmSan Antonio

5h 51m

1 stop

GTF9:28 pmGreat Falls

Aug 24

GTF2:35 pmGreat Falls

29h 42m

3 stops

SAT9:17 pmSan Antonio

$952

Find similar

Delta flights from San Antonio to Great Falls

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

Delta

Nov 24

SAT6:05 pmSan Antonio

5h 46m

1 stop

GTF10:51 pmGreat Falls

Dec 2

GTF6:20 pmGreat Falls

5h 26m

1 stop

SAT12:46 amSan Antonio

$370

Find similar

Delta

Nov 24

SAT12:50 pmSan Antonio

11h 01m

2 stops

GTF10:51 pmGreat Falls

Dec 2

GTF6:20 pmGreat Falls

5h 26m

1 stop

SAT12:46 amSan Antonio

$380

Find similar

Delta

Nov 25

SAT6:05 pmSan Antonio

5h 46m

1 stop

GTF10:51 pmGreat Falls

Dec 2

GTF6:20 pmGreat Falls

5h 26m

1 stop

SAT12:46 amSan Antonio

$401

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Mon 11/24

6:05 pm-10:51 pm

1 stop5h 46m

Great Falls

Tue 12/2

6:20 pm-12:46 am

1 stop5h 26m

$370

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Mon 11/24

12:50 pm-10:51 pm

2 stops11h 01m

Great Falls

Tue 12/2

6:20 pm-12:46 am

1 stop5h 26m

$380

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 11/25

6:05 pm-10:51 pm

1 stop5h 46m

Great Falls

Tue 12/2

6:20 pm-12:46 am

1 stop5h 26m

$401

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 11/25

6:30 am-5:42 pm

2 stops12h 12m

Great Falls

Tue 12/2

6:20 pm-12:46 am

1 stop5h 26m

$411

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 11/25

12:25 pm-5:42 pm

1 stop6h 17m

Great Falls

Tue 12/2

6:20 pm-12:46 am

1 stop5h 26m

$421

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 11/25

6:30 am-5:42 pm

2 stops12h 12m

Great Falls

Tue 12/2

6:20 pm-12:46 am

1 stop5h 26m

$431

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 11/25

7:21 am-7:02 pm

2 stops12h 41m

Great Falls

Tue 12/2

7:35 pm-10:55 pm

2 stops26h 20m

$645

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 11/25

7:21 am-7:02 pm

2 stops12h 41m

Great Falls

Tue 12/2

7:35 pm-10:55 pm

2 stops26h 20m

$665

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Mon 9/1

9:50 am-9:28 pm

2 stops12h 38m

Great Falls

Fri 9/5

2:35 pm-5:42 pm

2 stops26h 07m

$679

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 9/2

5:30 am-1:37 pm

3 stops33h 07m

Great Falls

Sat 9/6

7:00 am-5:42 pm

2 stops9h 42m

$684

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Antonio to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Great Falls?

The month of November is another great option to travel to Great Falls, with average flight prices from San Antonio averaging around $384.

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Monday when prices can be found for as low as $438. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from San Antonio because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $827.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is in the morning. momondo users have found flights departing from San Antonio to Great Falls in the morning for as low as $458. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $541 on average. Flights to Great Falls from San Antonio in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on San Antonio to Great Falls flights?

You could potentially save up to 87% on your flight if you consider stops on a San Antonio to Great Falls flight.

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

Best Price Found	$193
Fastest flight time	5h 23m
Direct flights	None
Airports in Great Falls	1 airport

The best one-way flight to Great Falls from San Antonio in the past 72 hours is $193. The best round-trip flight deal from San Antonio to Great Falls found on momondo in the last 72 hours is $370.

The fastest flight from San Antonio to Great Falls takes 5h 23m

There are no direct flights from San Antonio to Great Falls. Popular non-direct route for this connection is San Antonio Airport - Great Falls Airport.

There is 1 airport near Great Falls: Great Falls (GTF)

Search flight deals

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 45m.
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 2025, there are 2 operators 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 United Airlines (51% of total bookings). The next most popular airline is Delta (49%).

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 $298	Free Cancellation	Rating 8.0 7,981 reviews		Search Delta flights
United Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 8,925 reviews		Search United Airlines flights

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.