How do I get Price Alerts for flights from San Antonio to Great Falls?

Search flight deals from San Antonio to Great Falls . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from San Antonio to Great Falls with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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 September 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.

$348 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.

6:35 am - 12:38 pmSAT San Antonio-GTF Great Falls

7h 03m1 stop Salt Lake City

6:27 pm - 12:30 amGTF Great Falls-SAT San Antonio

5h 03m1 stop Salt Lake City

$348Delta

Sat, Oct 24 - Fri, Oct 30

6:35 am - 12:38 pmSAT San Antonio-GTF Great Falls

7h 03m1 stop Salt Lake City

5:40 am - 1:40 pmGTF Great Falls-SAT San Antonio

7h 00m1 stop Salt Lake City

$348Delta

Sat, Oct 24 - Fri, Oct 30

6:35 am - 12:38 pmSAT San Antonio-GTF Great Falls

7h 03m1 stop Salt Lake City

1:18 pm - 12:13 amGTF Great Falls-SAT San Antonio

9h 55m2 stops Salt Lake City Los Angeles

$354Delta

Sat, Oct 24 - Fri, Oct 30

4:45 pm - 9:20 pmSAT San Antonio-GTF Great Falls

5h 35m1 stop Denver Intl

6:15 am - 1:05 pmGTF Great Falls-SAT San Antonio

5h 50m1 stop Denver Intl

$438United Airlines

Sat, Jan 9 - Tue, Jan 12

2:15 pm - 9:20 pmSAT San Antonio-GTF Great Falls

8h 05m2 stops Houston George Bush Intcntl Denver Intl

6:15 am - 1:05 pmGTF Great Falls-SAT San Antonio

5h 50m1 stop Denver Intl

$444United Airlines

Sat, Jan 9 - Tue, Jan 12

12:24 pm - 9:20 pmSAT San Antonio-GTF Great Falls

9h 56m2 stops Houston George Bush Intcntl Denver Intl

2:25 pm - 10:50 pmGTF Great Falls-SAT San Antonio

7h 25m2 stops Denver Intl Houston George Bush Intcntl

$449United Airlines

Sat, Jan 9 - Tue, Jan 12

4:45 pm - 9:20 pmSAT San Antonio-GTF Great Falls

5h 35m1 stop Denver Intl

6:15 am - 1:05 pmGTF Great Falls-SAT San Antonio

5h 50m1 stop Denver Intl

$458United Airlines

Sat, Jan 9 - Tue, Jan 12

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

United Airlines flights from San Antonio to Great Falls

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

United Airlines

Jan 9

SAT4:45 pmSan Antonio

5h 35m

1 stop

GTF9:20 pmGreat Falls

Jan 12

GTF6:15 amGreat Falls

5h 50m

1 stop

SAT1:05 pmSan Antonio

$438

United Airlines

Jan 9

SAT2:15 pmSan Antonio

8h 05m

2 stops

GTF9:20 pmGreat Falls

Jan 12

GTF6:15 amGreat Falls

5h 50m

1 stop

SAT1:05 pmSan Antonio

$444

United Airlines

Jan 9

SAT12:24 pmSan Antonio

9h 56m

2 stops

GTF9:20 pmGreat Falls

Jan 12

GTF2:25 pmGreat Falls

7h 25m

2 stops

SAT10:50 pmSan Antonio

$449

Delta flights from San Antonio to Great Falls

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

Delta

Oct 24

SAT6:35 amSan Antonio

7h 03m

1 stop

GTF12:38 pmGreat Falls

Oct 30

GTF6:27 pmGreat Falls

5h 03m

1 stop

SAT12:30 amSan Antonio

$348

Delta

Oct 24

SAT6:35 amSan Antonio

7h 03m

1 stop

GTF12:38 pmGreat Falls

Oct 30

GTF1:18 pmGreat Falls

9h 55m

2 stops

SAT12:13 amSan Antonio

$354

Delta

Oct 19

SAT6:35 amSan Antonio

7h 03m

1 stop

GTF12:38 pmGreat Falls

Oct 26

GTF6:27 pmGreat Falls

5h 03m

1 stop

SAT12:30 amSan Antonio

$378

momondo Fare Finder

Use the filters below to find and compare flights from San Antonio to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Sat 10/24

6:35 am-12:38 pm

1 stop7h 03m

Great Falls

Fri 10/30

6:27 pm-12:30 am

1 stop5h 03m

$348

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Sat 10/24

6:35 am-12:38 pm

1 stop7h 03m

Great Falls

Fri 10/30

5:40 am-1:40 pm

1 stop7h 00m

$348

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Sat 10/24

6:35 am-12:38 pm

1 stop7h 03m

Great Falls

Fri 10/30

1:18 pm-12:13 am

2 stops9h 55m

$354

Quickest round-trip

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Sat 1/9

4:45 pm-9:20 pm

1 stop5h 35m

Great Falls

Tue 1/12

6:15 am-1:05 pm

1 stop5h 50m

$438

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Sat 1/9

2:15 pm-9:20 pm

2 stops8h 05m

Great Falls

Tue 1/12

6:15 am-1:05 pm

1 stop5h 50m

$444

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Sat 1/9

12:24 pm-9:20 pm

2 stops9h 56m

Great Falls

Tue 1/12

2:25 pm-10:50 pm

2 stops7h 25m

$449

San AntonioGreat Falls

SAT San Antonio - GTF Great Falls

SATGTF

San Antonio

Sat 1/9

4:45 pm-9:20 pm

1 stop5h 35m

Great Falls

Tue 1/12

6:15 am-1:05 pm

1 stop5h 50m

$458

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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	$348
Fastest flight time	5h 35m
Direct flights	None

The best flight deal from San Antonio to Great Falls found on momondo in the last 72 hours is $348

The fastest flight from San Antonio to Great Falls takes 5h 35m

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 35m.
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 September 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 8,589 reviews		Search Delta flights

Frequently asked questions about flying from San Antonio to Great Falls

How do I get Price Alerts for flights from San Antonio to Great Falls?
Search flight deals from San Antonio to Great Falls. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from San Antonio to Great Falls with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.