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 November 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.

$368 Cheap Flights from San Antonio to Great Falls in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

7:43 am - 12:39 pmSAT San Antonio-GTF Great Falls

5h 56m1 stop Salt Lake City

6:19 pm - 12:31 amGTF Great Falls-SAT San Antonio

5h 12m1 stop Salt Lake City

$368Delta

Thu, Dec 3 - Mon, Dec 7

12:51 pm - 5:39 pmSAT San Antonio-GTF Great Falls

5h 48m1 stop Salt Lake City

6:19 pm - 12:31 amGTF Great Falls-SAT San Antonio

5h 12m1 stop Salt Lake City

$368Delta

Tue, Dec 1 - Tue, Dec 8

8:45 am - 1:49 pmSAT San Antonio-GTF Great Falls

6h 04m1 stop Denver Intl

6:30 am - 12:46 pmGTF Great Falls-SAT San Antonio

5h 16m1 stop Denver Intl

$368United Airlines

Tue, Dec 1 - Tue, Dec 8

12:51 pm - 5:39 pmSAT San Antonio-GTF Great Falls

5h 48m1 stop Salt Lake City

1:19 pm - 12:35 amGTF Great Falls-SAT San Antonio

10h 16m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$374Delta

Tue, Dec 1 - Tue, Dec 8

11:50 am - 10:29 pmSAT San Antonio-GTF Great Falls

11h 39m2 stops Detroit Metropolitan Wayne County Salt Lake City

6:19 pm - 12:31 amGTF Great Falls-SAT San Antonio

5h 12m1 stop Salt Lake City

$374Delta

Thu, Dec 3 - Mon, Dec 7

7:01 am - 5:39 pmSAT San Antonio-GTF Great Falls

11h 38m2 stops Los Angeles Salt Lake City

1:19 pm - 12:05 amGTF Great Falls-SAT San Antonio

9h 46m2 stops Salt Lake City Los Angeles

$379Delta

Thu, Dec 3 - Mon, Dec 7

8:45 am - 1:49 pmSAT San Antonio-GTF Great Falls

6h 04m1 stop Denver Intl

6:30 am - 7:20 pmGTF Great Falls-SAT San Antonio

11h 50m2 stops Denver Intl Houston George Bush Intcntl

$418United Airlines

Tue, Dec 1 - Tue, Dec 8

2:33 pm - 10:30 pmSAT San Antonio-GTF Great Falls

8h 57m2 stops Minneapolis St Paul Salt Lake City

6:19 pm - 12:28 amGTF Great Falls-SAT San Antonio

5h 09m1 stop Salt Lake City

$444Delta

Sat, Nov 21 - Sun, Nov 22

2:33 pm - 10:30 pmSAT San Antonio-GTF Great Falls

8h 57m2 stops Minneapolis St Paul Salt Lake City

5:30 am - 5:40 pmGTF Great Falls-SAT San Antonio

11h 10m2 stops Salt Lake City Minneapolis St Paul

$449Delta

Sat, Nov 21 - Sun, Nov 22

4:43 pm - 9:42 pmSAT San Antonio-GTF Great Falls

5h 59m1 stop Denver Intl

6:25 am - 12:58 pmGTF Great Falls-SAT San Antonio

5h 33m1 stop Denver Intl

$478United Airlines

Sat, Jan 9 - Tue, Jan 12

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United Airlines flights from San Antonio to Great Falls

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

United Airlines

Dec 1

SAT8:45 amSan Antonio

6h 04m

1 stop

GTF1:49 pmGreat Falls

Dec 8

GTF6:30 amGreat Falls

11h 50m

2 stops

SAT7:20 pmSan Antonio

$418

United Airlines

Jan 9

SAT4:43 pmSan Antonio

5h 59m

1 stop

GTF9:42 pmGreat Falls

Jan 12

GTF6:25 amGreat Falls

5h 33m

1 stop

SAT12:58 pmSan Antonio

$478

United Airlines

Jan 9

SAT5:15 amSan Antonio

9h 21m

2 stops

GTF1:36 pmGreat Falls

Jan 12

GTF2:32 pmGreat Falls

5h 13m

1 stop

SAT8:45 pmSan Antonio

$484

Delta flights from San Antonio to Great Falls

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

Delta

Dec 1

SAT12:51 pmSan Antonio

5h 48m

1 stop

GTF5:39 pmGreat Falls

Dec 8

GTF6:19 pmGreat Falls

5h 12m

1 stop

SAT12:31 amSan Antonio

$368

Delta

Dec 1

SAT12:51 pmSan Antonio

5h 48m

1 stop

GTF5:39 pmGreat Falls

Dec 8

GTF1:19 pmGreat Falls

10h 16m

2 stops

SAT12:35 amSan Antonio

$374

Delta

Dec 3

SAT7:01 amSan Antonio

11h 38m

2 stops

GTF5:39 pmGreat Falls

Dec 7

GTF1:19 pmGreat Falls

9h 46m

2 stops

SAT12:05 amSan Antonio

$379

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Thu 12/3

7:43 am-12:39 pm

1 stop5h 56m

Great Falls

Mon 12/7

6:19 pm-12:31 am

1 stop5h 12m

$368

Quickest round-trip

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Tue 12/1

12:51 pm-5:39 pm

1 stop5h 48m

Great Falls

Tue 12/8

6:19 pm-12:31 am

1 stop5h 12m

$368

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Tue 12/1

8:45 am-1:49 pm

1 stop6h 04m

Great Falls

Tue 12/8

6:30 am-12:46 pm

1 stop5h 16m

$368

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Tue 12/1

12:51 pm-5:39 pm

1 stop5h 48m

Great Falls

Tue 12/8

1:19 pm-12:35 am

2 stops10h 16m

$374

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Thu 12/3

11:50 am-10:29 pm

2 stops11h 39m

Great Falls

Mon 12/7

6:19 pm-12:31 am

1 stop5h 12m

$374

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Thu 12/3

7:01 am-5:39 pm

2 stops11h 38m

Great Falls

Mon 12/7

1:19 pm-12:05 am

2 stops9h 46m

$379

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Tue 12/1

8:45 am-1:49 pm

1 stop6h 04m

Great Falls

Tue 12/8

6:30 am-7:20 pm

2 stops11h 50m

$418

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Sat 11/21

2:33 pm-10:30 pm

2 stops8h 57m

Great Falls

Sun 11/22

6:19 pm-12:28 am

1 stop5h 09m

$444

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Sat 11/21

2:33 pm-10:30 pm

2 stops8h 57m

Great Falls

Sun 11/22

5:30 am-5:40 pm

2 stops11h 10m

$449

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Sat 1/9

4:43 pm-9:42 pm

1 stop5h 59m

Great Falls

Tue 1/12

6:25 am-12:58 pm

1 stop5h 33m

$478

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

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

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

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	$403
Fastest flight time	5h 37m
Direct flights	None

The best one-way flight to Great Falls from San Antonio in the past 72 hours is $403. The best round-trip flight deal from San Antonio to Great Falls found on momondo in the last 72 hours is $368.

The fastest flight from San Antonio to Great Falls takes 5h 37m

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 37m.
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 November 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 8,701 reviews		Search Delta 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.