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

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

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 April 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.

$230 Cheap Flights from San Antonio to Great Falls in 2026

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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.

12:39 pm - 5:40 pm

SAT

GTF

6h 01m

1 stop

6:19 pm - 12:13 am

GTF

SAT

4h 54m

1 stop

$338Delta

Tue, May 5 - Sun, May 10

6:05 pm - 10:29 pm

SAT

GTF

5h 24m

1 stop

6:19 pm - 9:52 am

GTF

SAT

14h 33m

2 stops

$344Delta

Tue, May 5 - Sun, May 10

7:38 am - 5:40 pm

SAT

GTF

11h 02m

2 stops

6:19 pm - 9:52 am

GTF

SAT

14h 33m

2 stops

$349Delta

Tue, May 5 - Sat, May 9

6:39 am - 5:40 pm

SAT

GTF

12h 01m

2 stops

1:07 pm - 11:48 pm

GTF

SAT

9h 41m

2 stops

$374Delta

Wed, May 6 - Sun, May 10

6:35 am - 12:27 pm

SAT

GTF

6h 52m

1 stop

6:19 pm - 12:13 am

GTF

SAT

4h 54m

1 stop

$393Delta

Sun, May 24 - Sun, May 31

6:39 am - 5:40 pm

SAT

GTF

12h 01m

2 stops

1:07 pm - 12:44 am

GTF

SAT

10h 37m

2 stops

$404Delta

Wed, May 6 - Sat, May 9

7:30 am - 5:39 pm

SAT

GTF

11h 09m

2 stops

5:40 am - 5:20 pm

GTF

SAT

10h 40m

2 stops

$609Delta

Sun, May 24 - Sun, May 31

7:00 am - 12:27 pm

SAT

GTF

6h 27m

1 stop

6:20 pm - 12:25 am

GTF

SAT

5h 05m

1 stop

$718Delta

Wed, Apr 22 - Wed, Apr 22

Alaska Airlines flights from San Antonio to Great Falls

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

Alaska Airlines

Jul 10

SAT4:44 pmSan Antonio

24h 45m

1 stop

GTF4:29 pmGreat Falls

Jul 13

GTF5:09 pmGreat Falls

10h 51m

1 stop

SAT5:00 amSan Antonio

$721

Alaska Airlines

Jul 10

SAT3:09 pmSan Antonio

26h 20m

2 stops

GTF4:29 pmGreat Falls

Jul 13

GTF5:09 pmGreat Falls

10h 51m

1 stop

SAT5:00 amSan Antonio

$769

Alaska Airlines

Jul 10

SAT3:09 pmSan Antonio

26h 20m

2 stops

GTF4:29 pmGreat Falls

Jul 13

GTF5:09 pmGreat Falls

18h 38m

2 stops

SAT12:47 pmSan Antonio

$865

United Airlines flights from San Antonio to Great Falls

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

United Airlines

Apr 17

SAT11:46 amSan Antonio

10h 31m

2 stops

GTF9:17 pmGreat Falls

Apr 21

GTF2:30 pmGreat Falls

7h 29m

2 stops

SAT10:59 pmSan Antonio

$414

United Airlines

Jul 21

SAT4:35 pmSan Antonio

5h 59m

1 stop

GTF9:34 pmGreat Falls

Jul 26

GTF6:15 amGreat Falls

13h 39m

1 stop

SAT8:54 pmSan Antonio

$636

United Airlines

Jul 21

SAT4:35 pmSan Antonio

5h 59m

1 stop

GTF9:34 pmGreat Falls

Jul 26

GTF6:15 amGreat Falls

25h 12m

2 stops

SAT8:27 amSan Antonio

$761

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 5/5

12:39 pm-5:40 pm

1 stop6h 01m

Great Falls

Sun 5/10

6:19 pm-12:13 am

1 stop4h 54m

$338

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 5/5

6:05 pm-10:29 pm

1 stop5h 24m

Great Falls

Sun 5/10

6:19 pm-9:52 am

2 stops14h 33m

$344

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 5/5

7:38 am-5:40 pm

2 stops11h 02m

Great Falls

Sat 5/9

6:19 pm-9:52 am

2 stops14h 33m

$349

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Wed 5/6

6:39 am-5:40 pm

2 stops12h 01m

Great Falls

Sun 5/10

1:07 pm-11:48 pm

2 stops9h 41m

$374

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Sun 5/24

6:35 am-12:27 pm

1 stop6h 52m

Great Falls

Sun 5/31

6:19 pm-12:13 am

1 stop4h 54m

$393

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Wed 5/6

6:39 am-5:40 pm

2 stops12h 01m

Great Falls

Sat 5/9

1:07 pm-12:44 am

2 stops10h 37m

$404

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Sun 5/24

7:30 am-5:39 pm

2 stops11h 09m

Great Falls

Sun 5/31

5:40 am-5:20 pm

2 stops10h 40m

$609

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Wed 4/22

7:00 am-12:27 pm

1 stop6h 27m

Great Falls

Wed 4/22

6:20 pm-12:25 am

1 stop5h 05m

$718

Cheapest one-way

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 4/14

5:50 pm-4:26 pm

1 stop23h 36m

$230

San AntonioGreat Falls

SAT - GTF

SATGTF

San Antonio

Tue 4/7

5:50 pm-4:26 pm

1 stop23h 36m

$265

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

Prices

Airlines

Can stopping save me money on San Antonio to Great Falls flights?

You could potentially save up to 73% 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	5h 24m
Direct flights	None

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

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 24m.
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 April 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 $348	Free Cancellation	Rating 7.9 8,374 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.