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Cheap flights from Great Falls to San Antonio from $297

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 8/10. 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.
United Airlines Logo
2:30 pm - 8:42 pm
GTF
-
SAT
5h 12m
1 stop
United Airlines Logo
4:45 pm - 9:17 pm
SAT
-
GTF
5h 32m
1 stop
$338United Airlines
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
2:30 pm - 10:59 pm
GTF
-
SAT
7h 29m
2 stops
United Airlines Logo
8:45 am - 1:31 pm
SAT
-
GTF
5h 46m
1 stop
$344United Airlines
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
6:15 am - 1:00 pm
GTF
-
SAT
5h 45m
1 stop
United Airlines Logo
4:45 pm - 9:17 pm
SAT
-
GTF
5h 32m
1 stop
$388United Airlines
Sat, Apr 4 - Wed, Apr 8
Delta Logo
6:20 pm - 12:25 am
GTF
-
SAT
5h 05m
1 stop
Delta Logo
7:00 am - 12:27 pm
SAT
-
GTF
6h 27m
1 stop
$393Delta
Thu, Apr 30 - Mon, May 4
United Airlines Logo
6:15 am - 5:43 pm
GTF
-
SAT
10h 28m
2 stops
United Airlines Logo
8:45 am - 1:31 pm
SAT
-
GTF
5h 46m
1 stop
$394United Airlines
Sat, Apr 4 - Wed, Apr 8
United Airlines Logo
6:15 am - 5:43 pm
GTF
-
SAT
10h 28m
2 stops
United Airlines Logo
2:14 pm - 9:17 pm
SAT
-
GTF
8h 03m
2 stops
$399United Airlines
Sat, Apr 4 - Wed, Apr 8
United Airlines Logo
2:30 pm - 8:42 pm
GTF
-
SAT
5h 12m
1 stop
United Airlines Logo
4:45 pm - 9:17 pm
SAT
-
GTF
5h 32m
1 stop
$404United Airlines
Fri, Apr 3 - Mon, Apr 6
United Airlines Logo
2:30 pm - 10:59 pm
GTF
-
SAT
7h 29m
2 stops
United Airlines Logo
2:14 pm - 9:17 pm
SAT
-
GTF
8h 03m
2 stops
$409United Airlines
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
2:35 pm - 8:49 pm
GTF
-
SAT
5h 14m
1 stop
United Airlines Logo
4:35 pm - 9:18 pm
SAT
-
GTF
5h 43m
1 stop
$453United Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
6:15 am - 12:56 pm
GTF
-
SAT
5h 41m
1 stop
United Airlines Logo
4:35 pm - 9:18 pm
SAT
-
GTF
5h 43m
1 stop
$488United Airlines
Sat, May 2 - Wed, May 6

United Airlines flights from Great Falls to San Antonio

Our best United Airlines deals on Great Falls to San Antonio flight tickets
United Airlines
Apr 21
GTF2:30 pmGreat Falls
5h 12m
1 stop
SAT8:42 pmSan Antonio
Apr 25
SAT4:45 pmSan Antonio
5h 32m
1 stop
GTF9:17 pmGreat Falls
$338
United Airlines
Apr 21
GTF2:30 pmGreat Falls
7h 29m
2 stops
SAT10:59 pmSan Antonio
Apr 25
SAT8:45 amSan Antonio
5h 46m
1 stop
GTF1:31 pmGreat Falls
$344
United Airlines
Apr 4
GTF6:15 amGreat Falls
5h 45m
1 stop
SAT1:00 pmSan Antonio
Apr 8
SAT4:45 pmSan Antonio
5h 32m
1 stop
GTF9:17 pmGreat Falls
$388

Delta flights from Great Falls to San Antonio

Our best Delta deals on Great Falls to San Antonio flight tickets
Delta
Apr 30
GTF6:20 pmGreat Falls
5h 05m
1 stop
SAT12:25 amSan Antonio
May 4
SAT7:00 amSan Antonio
6h 27m
1 stop
GTF12:27 pmGreat Falls
$393
Delta
Apr 30
GTF6:20 pmGreat Falls
5h 05m
1 stop
SAT12:25 amSan Antonio
May 4
SAT7:38 amSan Antonio
11h 02m
2 stops
GTF5:40 pmGreat Falls
$564
Delta
May 21
GTF1:07 pmGreat Falls
9h 41m
2 stops
SAT11:48 pmSan Antonio
May 26
SAT6:35 amSan Antonio
6h 52m
1 stop
GTF12:27 pmGreat Falls
$579

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 March 24, 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

Tue 4/21

2:30 pm-8:42 pm

1 stop5h 12m

San Antonio

Sat 4/25

4:45 pm-9:17 pm

1 stop5h 32m

$338

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Tue 4/21

2:30 pm-10:59 pm

2 stops7h 29m

San Antonio

Sat 4/25

8:45 am-1:31 pm

1 stop5h 46m

$344

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sat 4/4

6:15 am-1:00 pm

1 stop5h 45m

San Antonio

Wed 4/8

4:45 pm-9:17 pm

1 stop5h 32m

$388

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Thu 4/30

6:20 pm-12:25 am

1 stop5h 05m

San Antonio

Mon 5/4

7:00 am-12:27 pm

1 stop6h 27m

$393

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sat 4/4

6:15 am-5:43 pm

2 stops10h 28m

San Antonio

Wed 4/8

8:45 am-1:31 pm

1 stop5h 46m

$394

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sat 4/4

6:15 am-5:43 pm

2 stops10h 28m

San Antonio

Wed 4/8

2:14 pm-9:17 pm

2 stops8h 03m

$399

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Fri 4/3

2:30 pm-8:42 pm

1 stop5h 12m

San Antonio

Mon 4/6

4:45 pm-9:17 pm

1 stop5h 32m

$404

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Tue 4/21

2:30 pm-10:59 pm

2 stops7h 29m

San Antonio

Sat 4/25

2:14 pm-9:17 pm

2 stops8h 03m

$409

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sat 5/2

2:35 pm-8:49 pm

1 stop5h 14m

San Antonio

Wed 5/6

4:35 pm-9:18 pm

1 stop5h 43m

$453

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sat 5/2

6:15 am-12:56 pm

1 stop5h 41m

San Antonio

Wed 5/6

4:35 pm-9:18 pm

1 stop5h 43m

$488

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 cheapest airline that flies from Great Falls to San Antonio?

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

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 05m

Direct flights

None
The fastest flight from Great Falls to San Antonio takes 5h 05m
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 05m.

  • 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
DeltaPriceFrom $330Free CancellationRating
7.9
8,319 reviews
Search Delta flights
United AirlinesPriceFrom $358Free CancellationRating
7.4
9,467 reviews
Search United Airlines 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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