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

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

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

The number of operators available for flights from Great Falls Airport to San Antonio Airport is 2 as of December 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Great Falls Airport to San Antonio Airport.

What documentation or ID do you need to fly to San Antonio Airport?

The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$323 Cheap Flights from Great Falls to San Antonio in 2025/26

Q: What is the typical price of a round-trip flight between Great Falls and San Antonio?

Prices are currently low for flights on this route. Typical prices usually range from $491 to $648. The lowest price recently found on this route was $342.

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Find the cheapest flights from Great Falls to San Antonio

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:59 pm - 5:45 pm

GTF

SAT

22h 46m1 stop

6:46 pm - 5:19 pm

SAT

GTF

23h 33m1 stop

$342Alaska Airlines

Sat, Jan 31 - Wed, Feb 4

5:59 pm - 5:45 pm

GTF

SAT

22h 46m1 stop

6:06 pm - 5:48 pm

SAT

GTF

24h 42m1 stop

$362Alaska Airlines

Sun, Feb 8 - Fri, Feb 13

5:59 pm - 5:45 pm

GTF

SAT

22h 46m1 stop

6:06 pm - 5:48 pm

SAT

GTF

24h 42m1 stop

$382Alaska Airlines

Sun, Feb 8 - Fri, Feb 13

2:29 pm - 8:44 pm

GTF

SAT

5h 15m1 stop

8:30 am - 1:48 pm

SAT

GTF

6h 18m1 stop

$388United Airlines

Wed, Jan 14 - Wed, Jan 21

1:15 pm - 11:43 pm

GTF

SAT

9h 28m2 stops

1:03 pm - 5:30 pm

SAT

GTF

5h 27m1 stop

$394Delta

Wed, Jan 14 - Wed, Jan 21

6:28 pm - 5:14 pm

GTF

SAT

21h 46m1 stop

6:06 pm - 4:17 pm

SAT

GTF

23h 11m1 stop

$398Alaska Airlines

Wed, Feb 25 - Mon, Mar 2

5:59 pm - 5:45 pm

GTF

SAT

22h 46m1 stop

6:46 pm - 5:19 pm

SAT

GTF

23h 33m1 stop

$408Alaska Airlines

Sun, Feb 1 - Sat, Feb 7

5:59 pm - 5:45 pm

GTF

SAT

22h 46m1 stop

6:46 pm - 5:19 pm

SAT

GTF

23h 33m1 stop

$418Alaska Airlines

Sun, Feb 1 - Sat, Feb 7

2:29 pm - 10:57 pm

GTF

SAT

7h 28m2 stops

2:15 pm - 9:53 pm

SAT

GTF

8h 38m2 stops

$420United Airlines

Wed, Jan 14 - Wed, Jan 21

1:15 pm - 9:28 pm

GTF

SAT

7h 13m1 stop

1:03 pm - 5:30 pm

SAT

GTF

5h 27m1 stop

$440Delta

Fri, Jan 9 - Fri, Jan 16

Alaska Airlines flights from Great Falls to San Antonio

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

Alaska Airlines

Jan 31

GTF5:59 pmGreat Falls

22h 46m

1 stop

SAT5:45 pmSan Antonio

Feb 4

SAT6:46 pmSan Antonio

23h 33m

1 stop

GTF5:19 pmGreat Falls

$342

Find similar

Alaska Airlines

Feb 8

GTF5:59 pmGreat Falls

22h 46m

1 stop

SAT5:45 pmSan Antonio

Feb 13

SAT6:06 pmSan Antonio

24h 42m

1 stop

GTF5:48 pmGreat Falls

$362

Find similar

Alaska Airlines

Feb 25

GTF6:28 pmGreat Falls

21h 46m

1 stop

SAT5:14 pmSan Antonio

Mar 2

SAT6:06 pmSan Antonio

23h 11m

1 stop

GTF4:17 pmGreat Falls

$398

Find similar

United Airlines flights from Great Falls to San Antonio

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

United Airlines

Jan 14

GTF2:29 pmGreat Falls

5h 15m

1 stop

SAT8:44 pmSan Antonio

Jan 21

SAT8:30 amSan Antonio

6h 18m

1 stop

GTF1:48 pmGreat Falls

$388

Find similar

United Airlines

Jan 14

GTF2:29 pmGreat Falls

5h 15m

1 stop

SAT8:44 pmSan Antonio

Jan 21

SAT5:25 amSan Antonio

9h 23m

2 stops

GTF1:48 pmGreat Falls

$394

Find similar

United Airlines

Jan 14

GTF2:29 pmGreat Falls

7h 28m

2 stops

SAT10:57 pmSan Antonio

Jan 21

SAT2:15 pmSan Antonio

8h 38m

2 stops

GTF9:53 pmGreat Falls

$420

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sat 1/31

5:59 pm-5:45 pm

1 stop22h 46m

San Antonio

Wed 2/4

6:46 pm-5:19 pm

1 stop23h 33m

$342

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sun 2/8

5:59 pm-5:45 pm

1 stop22h 46m

San Antonio

Fri 2/13

6:06 pm-5:48 pm

1 stop24h 42m

$362

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sun 2/8

5:59 pm-5:45 pm

1 stop22h 46m

San Antonio

Fri 2/13

6:06 pm-5:48 pm

1 stop24h 42m

$382

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Wed 1/14

2:29 pm-8:44 pm

1 stop5h 15m

San Antonio

Wed 1/21

8:30 am-1:48 pm

1 stop6h 18m

$388

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Wed 1/14

1:15 pm-11:43 pm

2 stops9h 28m

San Antonio

Wed 1/21

1:03 pm-5:30 pm

1 stop5h 27m

$394

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Wed 2/25

6:28 pm-5:14 pm

1 stop21h 46m

San Antonio

Mon 3/2

6:06 pm-4:17 pm

1 stop23h 11m

$398

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sun 2/1

5:59 pm-5:45 pm

1 stop22h 46m

San Antonio

Sat 2/7

6:46 pm-5:19 pm

1 stop23h 33m

$408

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sun 2/1

5:59 pm-5:45 pm

1 stop22h 46m

San Antonio

Sat 2/7

6:46 pm-5:19 pm

1 stop23h 33m

$418

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Wed 1/14

2:29 pm-10:57 pm

2 stops7h 28m

San Antonio

Wed 1/21

2:15 pm-9:53 pm

2 stops8h 38m

$420

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Fri 1/9

1:15 pm-9:28 pm

1 stop7h 13m

San Antonio

Fri 1/16

1:03 pm-5:30 pm

1 stop5h 27m

$440

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 typical price of a round-trip flight between Great Falls and San Antonio?

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $393. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Thursday is $581.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the afternoon. momondo users have found flights departing from Great Falls to San Antonio in the afternoon for as low as $384. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $627. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Great Falls to San Antonio

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

Estimated round-trip price

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

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

Fastest flight time	5h 24m
Direct flights	None

The fastest flight from Great Falls to San Antonio takes 5h 24m

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

Search flight deals

How far is Great Falls to San Antonio by plane?
The straight-line distance from Great Falls to San Antonio is 1422.9 mi. In terms of flight time, this usually takes a little over 5h 24m.
When did momondo last update prices for flights from Great Falls Airport to San Antonio Airport?
Prices for flights from Great Falls Airport to San Antonio Airport refresh daily.
How many operators does momondo search for flights from Great Falls Airport to San Antonio Airport?
The number of operators available for flights from Great Falls Airport to San Antonio Airport is 2 as of December 2025.
How old do you have to be to fly from Great Falls Airport to San Antonio Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Great Falls Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Great Falls to San Antonio?
Based on momondo bookings for flights between Great Falls and San Antonio, the leading airline is Delta, making up 56% of the total bookings. Other popular airlines include United Airlines with 44%.

Best airlines flying from Great Falls to San Antonio

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $330	Free Cancellation	Rating 7.9 8,005 reviews		Search Delta flights
United Airlines	PriceFrom $404	Free Cancellation	Rating 7.4 9,092 reviews		Search United Airlines flights

New Braunfels

Kerrville

Boerne

Schertz

Pleasanton

Why use momondo?

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

Finding the right flight to San Antonio from Great Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

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

Flights from Great Falls to San Antonio with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Antonio from Great Falls.

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

If you are not ready to book a flight from Great Falls to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.