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Cheap flights from Salt Lake City to San Antonio from $57

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Salt Lake City to San Antonio departing on 3/31. 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 Salt Lake City to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:00 am - 1:45 pm
SLC
-
SAT
4h 45m
1 stop
Frontier Logo
6:45 am - 10:54 am
SAT
-
SLC
5h 09m
1 stop
$139Frontier
Tue, Mar 3 - Sat, Mar 21
Frontier Logo
9:14 pm - 9:06 am
SLC
-
SAT
10h 52m
1 stop
Frontier Logo
6:45 am - 12:15 am
SAT
-
SLC
18h 30m
1 stop
$146Frontier
Fri, Mar 6 - Wed, Mar 11
Frontier Logo
9:59 pm - 1:45 pm
SLC
-
SAT
14h 46m
1 stop
Frontier Logo
6:45 am - 12:15 am
SAT
-
SLC
18h 30m
1 stop
$147Frontier
Mon, Mar 2 - Tue, Mar 17
Frontier Logo
9:14 pm - 9:06 am
SLC
-
SAT
10h 52m
1 stop
Frontier Logo
6:45 am - 10:54 am
SAT
-
SLC
5h 09m
1 stop
$148Frontier
Fri, Mar 6 - Wed, Mar 18
Frontier Logo
9:59 pm - 1:45 pm
SLC
-
SAT
14h 46m
1 stop
Frontier Logo
6:45 am - 10:54 am
SAT
-
SLC
5h 09m
1 stop
$149Frontier
Mon, Mar 2 - Sat, Mar 21
Frontier Logo
9:14 pm - 8:06 am
SLC
-
SAT
9h 52m
1 stop
Frontier Logo
6:45 am - 10:54 am
SAT
-
SLC
5h 09m
1 stop
$150Frontier
Sat, Mar 7 - Wed, Mar 18
Frontier Logo
6:20 am - 7:33 pm
SLC
-
SAT
12h 13m
1 stop
Frontier Logo
8:24 pm - 12:14 am
SAT
-
SLC
4h 50m
1 stop
$151Frontier
Thu, Feb 5 - Mon, Feb 9
Frontier Logo
8:01 pm - 5:15 pm
SLC
-
SAT
20h 14m
1 stop
Frontier Logo
7:56 pm - 8:44 am
SAT
-
SLC
13h 48m
1 stop
$152Frontier
Tue, Feb 24 - Sat, Feb 28
Frontier Logo
9:59 pm - 7:01 pm
SLC
-
SAT
20h 02m
1 stop
Frontier Logo
5:36 pm - 9:49 pm
SAT
-
SLC
5h 13m
1 stop
$153Frontier
Fri, Feb 20 - Tue, Feb 24
Frontier Logo
8:00 am - 4:17 pm
SLC
-
SAT
7h 17m
1 stop
Frontier Logo
5:36 pm - 9:49 pm
SAT
-
SLC
5h 13m
1 stop
$154Frontier
Tue, Feb 10 - Tue, Feb 17

Frontier flights from Salt Lake City to San Antonio

Our best Frontier deals on Salt Lake City to San Antonio flight tickets
Frontier
Mar 3
SLC8:00 amSalt Lake City
4h 45m
1 stop
SAT1:45 pmSan Antonio
Mar 17
SAT6:45 amSan Antonio
5h 09m
1 stop
SLC10:54 amSalt Lake City
$139
Frontier
Mar 6
SLC9:14 pmSalt Lake City
10h 52m
1 stop
SAT9:06 amSan Antonio
Mar 11
SAT6:45 amSan Antonio
18h 30m
1 stop
SLC12:15 amSalt Lake City
$146
Frontier
Mar 2
SLC9:59 pmSalt Lake City
14h 46m
1 stop
SAT1:45 pmSan Antonio
Mar 17
SAT6:45 amSan Antonio
18h 30m
1 stop
SLC12:15 amSalt Lake City
$147

United Airlines flights from Salt Lake City to San Antonio

Our best United Airlines deals on Salt Lake City to San Antonio flight tickets
United Airlines
Jan 25
SLC7:35 amSalt Lake City
11h 06m
2 stops
SAT7:41 pmSan Antonio
Feb 1
SAT11:43 amSan Antonio
11h 16m
2 stops
SLC9:59 pmSalt Lake City
$660
United Airlines
Jan 27
SLC11:10 amSalt Lake City
4h 43m
1 stop
SAT4:53 pmSan Antonio
Jan 31
SAT1:20 pmSan Antonio
4h 48m
1 stop
SLC5:08 pmSalt Lake City
$699
United Airlines
Jan 25
SLC7:35 amSalt Lake City
11h 06m
2 stops
SAT7:41 pmSan Antonio
Feb 1
SAT2:10 pmSan Antonio
8h 49m
2 stops
SLC9:59 pmSalt Lake City
$720

momondo Fare Finder

 
Customize your flight search to find flights from Salt Lake City 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 January 14, 2026.
Use the filters below to find and compare flights from Salt Lake City to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Tue 3/3

8:00 am-1:45 pm

1 stop4h 45m

San Antonio

Sat 3/21

6:45 am-10:54 am

1 stop5h 09m

$139

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Fri 3/6

9:14 pm-9:06 am

1 stop10h 52m

San Antonio

Wed 3/11

6:45 am-12:15 am

1 stop18h 30m

$146

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Mon 3/2

9:59 pm-1:45 pm

1 stop14h 46m

San Antonio

Tue 3/17

6:45 am-12:15 am

1 stop18h 30m

$147

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Fri 3/6

9:14 pm-9:06 am

1 stop10h 52m

San Antonio

Wed 3/18

6:45 am-10:54 am

1 stop5h 09m

$148

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Mon 3/2

9:59 pm-1:45 pm

1 stop14h 46m

San Antonio

Sat 3/21

6:45 am-10:54 am

1 stop5h 09m

$149

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Sat 3/7

9:14 pm-8:06 am

1 stop9h 52m

San Antonio

Wed 3/18

6:45 am-10:54 am

1 stop5h 09m

$150

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Thu 2/5

6:20 am-7:33 pm

1 stop12h 13m

San Antonio

Mon 2/9

8:24 pm-12:14 am

1 stop4h 50m

$151

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Tue 2/24

8:01 pm-5:15 pm

1 stop20h 14m

San Antonio

Sat 2/28

7:56 pm-8:44 am

1 stop13h 48m

$152

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Fri 2/20

9:59 pm-7:01 pm

1 stop20h 02m

San Antonio

Tue 2/24

5:36 pm-9:49 pm

1 stop5h 13m

$153

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Tue 2/10

8:00 am-4:17 pm

1 stop7h 17m

San Antonio

Tue 2/17

5:36 pm-9:49 pm

1 stop5h 13m

$154

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 Salt Lake City 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 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 Salt Lake City during July instead. Flights to San Antonio in July, while not as cheap as those in April, still average around $365.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $399. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $597.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Salt Lake City to San Antonio in the evening for as low as $449. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $499. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Salt Lake City to San Antonio flight route?

Fly from Salt Lake City to San Antonio for the best Salt Lake City - San Antonio flight prices

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Salt Lake City when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $409 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Salt Lake City for as low as $334 on momondo.

What cabin class options are available on Salt Lake City to San Antonio flights?

There are 4 cabin classes available to choose from on Salt Lake City to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Salt Lake City to San Antonio flight prices changed over time?

As of January 2026, prices for Salt Lake City to San Antonio flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Salt Lake City to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Salt Lake City to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Salt Lake City to San Antonio (SLC to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Salt Lake City to San Antonio

Best Price Found

$548

Fastest flight time

2h 40m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Salt Lake City in the past 72 hours is $548. The best round-trip flight deal from Salt Lake City to San Antonio found on momondo in the last 72 hours is $497.
The fastest flight from Salt Lake City to San Antonio takes 2h 40m
Direct flights go from Salt Lake City to San Antonio every day.
There is 1 airport in San Antonio. From Salt Lake City there are direct flights to San Antonio (SAT).
Search flight deals

  • How far is Salt Lake City to San Antonio by plane?

    There are 1085.7 mi between Salt Lake City and San Antonio. Flights usually cover this in 2h 40m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Salt Lake City Airport to San Antonio Airport?

    Prices for flights from Salt Lake City Airport to San Antonio Airport are updated daily.

  • How many operators does momondo search for flights from Salt Lake City Airport to San Antonio Airport?

  • How old do you have to be to fly from Salt Lake City Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Salt Lake City Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents required for your trip to San Antonio 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 San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Salt Lake City to San Antonio?

  • What is the most popular airline from Salt Lake City to San Antonio?

Best airlines flying from Salt Lake City to San Antonio

Compare and see reviews for airlines that fly from Salt Lake City to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $144Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $171Free CancellationRating
6.3
8,312 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
11,122 reviews
Search American Airlines flights
DeltaPriceFrom $299Free CancellationRating
7.9
8,040 reviews
Search Delta flights
SouthwestPriceFrom $328Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
United AirlinesPriceFrom $400Free CancellationRating
7.4
9,157 reviews
Search United Airlines flights

  • Delta Flights From Salt Lake City to San Antonio

    Delta flies from Salt Lake City to San Antonio around 13 times per week, with 8,040 momondo users rating the airline 7.9/10. The cheapest Delta deal from Salt Lake City to San Antonio in the last 72 hours was $299 (round-trip), much lower than the average airfare cost of $461 for Delta flights on this route.

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
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Salt Lake City to San Antonio?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Salt Lake City to San Antonio. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Salt Lake City to San Antonio with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Antonio from Salt Lake City which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Salt Lake City to San Antonio?

Once you have performed a search for Salt Lake City to San Antonio 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 Salt Lake City to San Antonio right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Salt Lake City to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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