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Cheap flights from Great Falls to San Antonio from $323

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to San Antonio departing on 6/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Great Falls to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:19 pm - 12:13 am
GTF
-
SAT
4h 54m
1 stop
Delta Logo
6:03 pm - 10:40 pm
SAT
-
GTF
5h 37m
1 stop
$328Delta
Wed, Jun 3 - Mon, Jun 8
Delta Logo
1:07 pm - 11:48 pm
GTF
-
SAT
9h 41m
2 stops
Delta Logo
6:03 pm - 10:40 pm
SAT
-
GTF
5h 37m
1 stop
$424Delta
Wed, Jun 3 - Mon, Jun 8
Alaska Airlines Logo
6:52 pm - 5:40 am
GTF
-
SAT
9h 48m
1 stop
Alaska Airlines Logo
7:00 am - 6:12 pm
SAT
-
GTF
12h 12m
1 stop
$487Alaska Airlines
Tue, Jun 2 - Fri, Jun 5
Alaska Airlines Logo
5:09 pm - 5:00 am
GTF
-
SAT
10h 51m
1 stop
Alaska Airlines Logo
7:02 am - 4:29 pm
SAT
-
GTF
10h 27m
1 stop
$558Alaska Airlines
Tue, Jun 16 - Sat, Jun 20
Delta Logo
6:25 pm - 10:35 am
GTF
-
SAT
15h 10m
2 stops
Delta Logo
6:30 am - 12:40 pm
SAT
-
GTF
7h 10m
1 stop
$594Delta
Thu, Jun 25 - Tue, Jun 30
Alaska Airlines Logo
6:52 pm - 5:40 am
GTF
-
SAT
9h 48m
1 stop
Alaska Airlines Logo
6:05 am - 6:12 pm
SAT
-
GTF
13h 07m
2 stops
$596Alaska Airlines
Tue, Jun 2 - Fri, Jun 5
Alaska Airlines Logo
6:52 pm - 5:40 am
GTF
-
SAT
9h 48m
1 stop
Alaska Airlines Logo
7:02 am - 4:29 pm
SAT
-
GTF
10h 27m
1 stop
$598Alaska Airlines
Sun, Jun 7 - Sat, Jun 13
Alaska Airlines Logo
5:09 pm - 5:00 am
GTF
-
SAT
10h 51m
1 stop
Alaska Airlines Logo
4:44 pm - 4:29 pm
SAT
-
GTF
24h 45m
1 stop
$603Alaska Airlines
Thu, Jun 25 - Tue, Jun 30
Alaska Airlines Logo
6:52 pm - 12:52 pm
GTF
-
SAT
17h 00m
2 stops
Alaska Airlines Logo
2:45 pm - 6:12 pm
SAT
-
GTF
28h 27m
2 stops
$629Alaska Airlines
Tue, Jun 2 - Fri, Jun 5
Alaska Airlines Logo
5:09 pm - 5:00 am
GTF
-
SAT
10h 51m
1 stop
Alaska Airlines Logo
8:41 am - 4:29 pm
SAT
-
GTF
32h 48m
2 stops
$646Alaska Airlines
Tue, Jun 16 - Sat, Jun 20

Delta flights from Great Falls to San Antonio

Our best Delta deals on Great Falls to San Antonio flight tickets
Delta
Jun 3
GTF6:19 pmGreat Falls
4h 54m
1 stop
SAT12:13 amSan Antonio
Jun 8
SAT6:03 pmSan Antonio
5h 37m
1 stop
GTF10:40 pmGreat Falls
$328
Delta
Jun 3
GTF1:07 pmGreat Falls
9h 41m
2 stops
SAT11:48 pmSan Antonio
Jun 8
SAT6:03 pmSan Antonio
5h 37m
1 stop
GTF10:40 pmGreat Falls
$424
Delta
Jun 25
GTF6:25 pmGreat Falls
15h 10m
2 stops
SAT10:35 amSan Antonio
Jun 30
SAT6:30 amSan Antonio
7h 10m
1 stop
GTF12:40 pmGreat Falls
$594

Alaska Airlines flights from Great Falls to San Antonio

Our best Alaska Airlines deals on Great Falls to San Antonio flight tickets
Alaska Airlines
Jun 2
GTF6:52 pmGreat Falls
9h 48m
1 stop
SAT5:40 amSan Antonio
Jun 5
SAT7:00 amSan Antonio
12h 12m
1 stop
GTF6:12 pmGreat Falls
$487
Alaska Airlines
Jun 16
GTF5:09 pmGreat Falls
10h 51m
1 stop
SAT5:00 amSan Antonio
Jun 20
SAT7:02 amSan Antonio
10h 27m
1 stop
GTF4:29 pmGreat Falls
$558
Alaska Airlines
Jun 2
GTF6:52 pmGreat Falls
9h 48m
1 stop
SAT5:40 amSan Antonio
Jun 5
SAT6:05 amSan Antonio
13h 07m
2 stops
GTF6:12 pmGreat Falls
$596

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 15, 2026.
Use the filters below to find and compare flights from Great Falls to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Wed 6/3

6:19 pm-12:13 am

1 stop4h 54m

San Antonio

Mon 6/8

6:03 pm-10:40 pm

1 stop5h 37m

$328

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Wed 6/3

1:07 pm-11:48 pm

2 stops9h 41m

San Antonio

Mon 6/8

6:03 pm-10:40 pm

1 stop5h 37m

$424

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Tue 6/2

6:52 pm-5:40 am

1 stop9h 48m

San Antonio

Fri 6/5

7:00 am-6:12 pm

1 stop12h 12m

$487

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Tue 6/16

5:09 pm-5:00 am

1 stop10h 51m

San Antonio

Sat 6/20

7:02 am-4:29 pm

1 stop10h 27m

$558

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Thu 6/25

6:25 pm-10:35 am

2 stops15h 10m

San Antonio

Tue 6/30

6:30 am-12:40 pm

1 stop7h 10m

$594

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Tue 6/2

6:52 pm-5:40 am

1 stop9h 48m

San Antonio

Fri 6/5

6:05 am-6:12 pm

2 stops13h 07m

$596

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sun 6/7

6:52 pm-5:40 am

1 stop9h 48m

San Antonio

Sat 6/13

7:02 am-4:29 pm

1 stop10h 27m

$598

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Thu 6/25

5:09 pm-5:00 am

1 stop10h 51m

San Antonio

Tue 6/30

4:44 pm-4:29 pm

1 stop24h 45m

$603

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Tue 6/2

6:52 pm-12:52 pm

2 stops17h 00m

San Antonio

Fri 6/5

2:45 pm-6:12 pm

2 stops28h 27m

$629

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Tue 6/16

5:09 pm-5:00 am

1 stop10h 51m

San Antonio

Sat 6/20

8:41 am-4:29 pm

2 stops32h 48m

$646

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to San Antonio from

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 month to fly to San Antonio?

If you aren’t able to travel during the month of April, then book flights to San Antonio from Great Falls during February instead. Flights to San Antonio in February, while not as cheap as those in April, still average around $383.

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 25m

Direct flights

None
The fastest flight from Great Falls to San Antonio takes 5h 25m
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

Frequently asked questions about flying from Great Falls to San Antonio

  • 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 25m.

  • 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?

  • 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?

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
United AirlinesPriceFrom $330Free CancellationRating
7.4
9,717 reviews
Search United Airlines flights
DeltaPriceFrom $330Free CancellationRating
7.9
8,452 reviews
Search Delta flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Pleasanton
Schertz

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.

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