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 December 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.

$307 Cheap Flights from San Antonio to Great Falls in 2025/26

1 adult

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Find the cheapest flights from San Antonio to Great Falls

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:46 pm - 5:19 pm

SAT

GTF

23h 33m1 stop

5:59 pm - 5:45 pm

GTF

SAT

22h 46m1 stop

$332Alaska Airlines

Tue, Jan 27 - Sat, Jan 31

6:06 pm - 4:17 pm

SAT

GTF

23h 11m1 stop

6:28 pm - 5:14 pm

GTF

SAT

21h 46m1 stop

$398Alaska Airlines

Sat, Feb 14 - Wed, Feb 18

6:06 pm - 5:48 pm

SAT

GTF

24h 42m1 stop

4:57 pm - 5:10 pm

GTF

SAT

23h 13m1 stop

$414Alaska Airlines

Fri, Feb 13 - Sun, Feb 15

6:35 am - 9:35 pm

SAT

GTF

40h 00m2 stops

10:25 pm - 1:16 pm

GTF

SAT

13h 51m1 stop

$439Multiple Airlines

Thu, Dec 18 - Mon, Dec 22

7:00 am - 10:30 pm

SAT

GTF

16h 30m2 stops

1:12 pm - 9:28 pm

GTF

SAT

7h 16m1 stop

$456Delta

Tue, Jan 27 - Sat, Jan 31

7:00 am - 10:30 pm

SAT

GTF

16h 30m2 stops

1:12 pm - 12:38 am

GTF

SAT

10h 26m2 stops

$461Delta

Tue, Jan 27 - Sat, Jan 31

4:45 pm - 9:47 pm

SAT

GTF

6h 02m1 stop

6:25 am - 1:08 pm

GTF

SAT

5h 43m1 stop

$476United Airlines

Fri, Feb 13 - Sun, Feb 15

6:00 am - 5:19 pm

SAT

GTF

12h 19m2 stops

5:59 pm - 5:45 pm

GTF

SAT

22h 46m1 stop

$482Alaska Airlines

Tue, Jan 27 - Sat, Jan 31

6:00 am - 5:19 pm

SAT

GTF

12h 19m2 stops

5:59 pm - 10:54 pm

GTF

SAT

27h 55m2 stops

$507Alaska Airlines

Tue, Jan 27 - Sat, Jan 31

2:49 pm - 5:48 pm

SAT

GTF

27h 59m2 stops

4:57 pm - 5:10 pm

GTF

SAT

23h 13m1 stop

$519Alaska Airlines

Fri, Feb 13 - Sun, Feb 15

Alaska Airlines flights from San Antonio to Great Falls

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

Alaska Airlines

Jan 27

SAT6:46 pmSan Antonio

23h 33m

1 stop

GTF5:19 pmGreat Falls

Jan 31

GTF5:59 pmGreat Falls

22h 46m

1 stop

SAT5:45 pmSan Antonio

$332

Find similar

Alaska Airlines

Feb 14

SAT6:06 pmSan Antonio

23h 11m

1 stop

GTF4:17 pmGreat Falls

Feb 18

GTF6:28 pmGreat Falls

21h 46m

1 stop

SAT5:14 pmSan Antonio

$398

Find similar

Alaska Airlines

Feb 13

SAT6:06 pmSan Antonio

24h 42m

1 stop

GTF5:48 pmGreat Falls

Feb 15

GTF4:57 pmGreat Falls

23h 13m

1 stop

SAT5:10 pmSan Antonio

$414

Find similar

Delta flights from San Antonio to Great Falls

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

Delta

Jan 27

SAT7:00 amSan Antonio

16h 30m

2 stops

GTF10:30 pmGreat Falls

Jan 31

GTF1:12 pmGreat Falls

7h 16m

1 stop

SAT9:28 pmSan Antonio

$456

Find similar

Delta

Jan 27

SAT7:00 amSan Antonio

16h 30m

2 stops

GTF10:30 pmGreat Falls

Jan 31

GTF1:12 pmGreat Falls

10h 26m

2 stops

SAT12:38 amSan Antonio

$461

Find similar

Delta

Dec 19

SAT7:05 amSan Antonio

6h 26m

1 stop

GTF12:31 pmGreat Falls

Dec 25

GTF5:30 amGreat Falls

7h 16m

1 stop

SAT1:46 pmSan Antonio

$527

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 1/27

6:46 pm-5:19 pm

1 stop23h 33m

Great Falls

Sat 1/31

5:59 pm-5:45 pm

1 stop22h 46m

$332

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Sat 2/14

6:06 pm-4:17 pm

1 stop23h 11m

Great Falls

Wed 2/18

6:28 pm-5:14 pm

1 stop21h 46m

$398

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Fri 2/13

6:06 pm-5:48 pm

1 stop24h 42m

Great Falls

Sun 2/15

4:57 pm-5:10 pm

1 stop23h 13m

$414

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Thu 12/18

6:35 am-9:35 pm

2 stops40h 00m

Great Falls

Mon 12/22

10:25 pm-1:16 pm

1 stop13h 51m

$439

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 1/27

7:00 am-10:30 pm

2 stops16h 30m

Great Falls

Sat 1/31

1:12 pm-9:28 pm

1 stop7h 16m

$456

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 1/27

7:00 am-10:30 pm

2 stops16h 30m

Great Falls

Sat 1/31

1:12 pm-12:38 am

2 stops10h 26m

$461

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Fri 2/13

4:45 pm-9:47 pm

1 stop6h 02m

Great Falls

Sun 2/15

6:25 am-1:08 pm

1 stop5h 43m

$476

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 1/27

6:00 am-5:19 pm

2 stops12h 19m

Great Falls

Sat 1/31

5:59 pm-5:45 pm

1 stop22h 46m

$482

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 1/27

6:00 am-5:19 pm

2 stops12h 19m

Great Falls

Sat 1/31

5:59 pm-10:54 pm

2 stops27h 55m

$507

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Fri 2/13

2:49 pm-5:48 pm

2 stops27h 59m

Great Falls

Sun 2/15

4:57 pm-5:10 pm

1 stop23h 13m

$519

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 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 78% 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

Fastest flight time	6h 02m
Direct flights	None

The fastest flight from San Antonio to Great Falls takes 6h 02m

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

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 30m.
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 December 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 (54% of total bookings). The next most popular airline is Delta (46%).

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 $388	Free Cancellation	Rating 7.9 8,011 reviews		Search Delta flights
United Airlines	PriceFrom $388	Free Cancellation	Rating 7.4 9,066 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.