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 October 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.

$242 Cheap Flights from San Antonio to Great Falls in 2025/26

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Find the cheapest flights from San Antonio to Great Falls

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Cheap round-trip flights

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10:13 am - 4:28 pmSAT-GTF

31h 15m2 stops

5:18 pm - 5:09 amGTF-SAT

10h 51m1 stop

$242Multiple Airlines

Find Deal

Thu, Jan 8 - Mon, Jan 12

6:44 pm - 4:28 pmSAT-GTF

22h 44m1 stop

5:18 pm - 5:09 amGTF-SAT

10h 51m1 stop

$247Multiple Airlines

Find Deal

Thu, Jan 22 - Mon, Jan 26

6:44 pm - 4:28 pmSAT-GTF

22h 44m1 stop

5:18 pm - 5:09 amGTF-SAT

10h 51m1 stop

$251Multiple Airlines

Find Deal

Thu, Jan 8 - Mon, Jan 12

3:03 pm - 4:28 pmSAT-GTF

26h 25m2 stops

5:18 pm - 5:09 amGTF-SAT

10h 51m1 stop

$263Multiple Airlines

Find Deal

Thu, Jan 22 - Mon, Jan 26

6:25 am - 5:28 pmSAT-GTF

12h 03m2 stops

6:10 pm - 12:37 amGTF-SAT

5h 27m1 stop

$384Delta

Find Deal

Thu, Dec 11 - Mon, Dec 15

5:59 pm - 10:30 pmSAT-GTF

5h 31m1 stop

6:10 pm - 12:37 amGTF-SAT

5h 27m1 stop

$417Delta

Find Deal

Mon, Nov 24 - Tue, Dec 2

5:30 am - 1:27 pmSAT-GTF

8h 57m2 stops

2:30 pm - 10:27 pmGTF-SAT

6h 57m1 stop

$458United Airlines

Find Deal

Tue, Nov 18 - Tue, Nov 25

3:15 pm - 3:20 pmSAT-GTF

25h 05m2 stops

4:00 pm - 2:33 pmGTF-SAT

21h 33m2 stops

$648Alaska Airlines

Find Deal

Thu, Apr 2 - Mon, Apr 6

3:15 pm - 3:20 pmSAT-GTF

25h 05m2 stops

4:00 pm - 2:28 pmGTF-SAT

21h 28m2 stops

$657Alaska Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

5:30 am - 1:27 pmSAT-GTF

32h 57m3 stops

2:30 pm - 10:27 pmGTF-SAT

6h 57m1 stop

$688United Airlines

Find Deal

Tue, Nov 18 - Tue, Nov 25

Delta flights from San Antonio to Great Falls

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

Delta

Dec 11

SAT6:25 amSan Antonio

12h 03m

2 stops

GTF5:28 pmGreat Falls

Dec 15

GTF6:10 pmGreat Falls

5h 27m

1 stop

SAT12:37 amSan Antonio

$384

Find similar

Delta

Nov 24

SAT5:59 pmSan Antonio

5h 31m

1 stop

GTF10:30 pmGreat Falls

Dec 2

GTF6:10 pmGreat Falls

5h 27m

1 stop

SAT12:37 amSan Antonio

$417

Find similar

Delta

Nov 24

SAT5:59 pmSan Antonio

5h 31m

1 stop

GTF10:30 pmGreat Falls

Dec 2

GTF6:10 pmGreat Falls

5h 27m

1 stop

SAT12:37 amSan Antonio

$453

Find similar

United Airlines flights from San Antonio to Great Falls

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

United Airlines

Nov 18

SAT5:30 amSan Antonio

8h 57m

2 stops

GTF1:27 pmGreat Falls

Nov 25

GTF2:30 pmGreat Falls

6h 57m

1 stop

SAT10:27 pmSan Antonio

$458

Find similar

United Airlines

Nov 18

SAT5:30 amSan Antonio

32h 57m

3 stops

GTF1:27 pmGreat Falls

Nov 25

GTF2:30 pmGreat Falls

6h 57m

1 stop

SAT10:27 pmSan Antonio

$688

Find similar

United Airlines

Nov 4

SAT5:30 amSan Antonio

32h 57m

3 stops

GTF1:27 pmGreat Falls

Nov 8

GTF2:30 pmGreat Falls

7h 26m

2 stops

SAT10:56 pmSan Antonio

$708

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Thu 1/8

10:13 am-4:28 pm

2 stops31h 15m

Great Falls

Mon 1/12

5:18 pm-5:09 am

1 stop10h 51m

$242

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Thu 1/22

6:44 pm-4:28 pm

1 stop22h 44m

Great Falls

Mon 1/26

5:18 pm-5:09 am

1 stop10h 51m

$247

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Thu 1/8

6:44 pm-4:28 pm

1 stop22h 44m

Great Falls

Mon 1/12

5:18 pm-5:09 am

1 stop10h 51m

$251

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Thu 1/22

3:03 pm-4:28 pm

2 stops26h 25m

Great Falls

Mon 1/26

5:18 pm-5:09 am

1 stop10h 51m

$263

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Thu 12/11

6:25 am-5:28 pm

2 stops12h 03m

Great Falls

Mon 12/15

6:10 pm-12:37 am

1 stop5h 27m

$384

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Mon 11/24

5:59 pm-10:30 pm

1 stop5h 31m

Great Falls

Tue 12/2

6:10 pm-12:37 am

1 stop5h 27m

$417

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 11/18

5:30 am-1:27 pm

2 stops8h 57m

Great Falls

Tue 11/25

2:30 pm-10:27 pm

1 stop6h 57m

$458

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Thu 4/2

3:15 pm-3:20 pm

2 stops25h 05m

Great Falls

Mon 4/6

4:00 pm-2:33 pm

2 stops21h 33m

$648

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Thu 3/5

3:15 pm-3:20 pm

2 stops25h 05m

Great Falls

Mon 3/9

4:00 pm-2:28 pm

2 stops21h 28m

$657

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 11/18

5:30 am-1:27 pm

3 stops32h 57m

Great Falls

Tue 11/25

2:30 pm-10:27 pm

1 stop6h 57m

$688

Flights are sorted by cheapest round-trip flights first.

Sorted 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

What is the cheapest month to fly to Great Falls?

The month of October is another great option to travel to Great Falls, with average flight prices from San Antonio averaging around $386.

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

Direct flights	None

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

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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 31m.
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 October 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 Delta (50% of total bookings). The next most popular airline is United Airlines (50%).

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 $324	Free Cancellation	Rating 7.9 7,981 reviews		Search Delta flights
United Airlines	PriceFrom $388	Free Cancellation	Rating 7.4 8,988 reviews		Search United Airlines flights

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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.