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$71+ Cheap flights from Salt Lake City to San Antonio (SLC - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SAT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Salt Lake City to San Antonio are usually found in September or July, booked 45 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Salt Lake City to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$143
(CheapOair)

One-way from

$71
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$306

Good round-trip deal

$519 or less

Good one-way deal

$288 or less
From Salt Lake City to San Antonio
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One-way flight from Salt Lake City to San Antonio
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Highest demand for flights based on searches. 9% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Salt Lake City to San Antonio.
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Price to beat on a one-way flight from Salt Lake City to San Antonio.
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Find flight deals from Salt Lake City to San Antonio

Cheapest flights from Salt Lake City to San Antonio
Explore the most affordable flight options available from Salt Lake City to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/912:23 pmSLC - SAT
1 stop6h 18mFrontier
Sun 10/129:52 pmSAT - SLC
1 stop11h 41mFrontier
Deal found 9/15$143
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:30 pmSLC - SAT
1 stop6h 00mFrontier
Thu 11/138:38 pmSAT - SLC
1 stop11h 54mFrontier
Deal found 9/14$144
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:45 amSLC - SAT
1 stop11h 30mFrontier
Thu 10/22:08 pmSAT - SLC
1 stop6h 20mFrontier
Deal found 9/15$156
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:05 pmSLC - SAT
1 stop18h 18mFrontier
Thu 10/22:08 pmSAT - SLC
1 stop6h 20mFrontier
Deal found 9/15$157
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:05 pmSLC - SAT
1 stop18h 18mFrontier
Sat 10/43:22 pmSAT - SLC
1 stop8h 04mFrontier
Deal found 9/15$163
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:05 pmSLC - SAT
1 stop20h 30mFrontier
Fri 10/318:15 pmSAT - SLC
1 stop17h 40mFrontier
Deal found 9/16$166
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/209:58 pmSLC - SAT
1 stop10h 12mFrontier
Sat 9/274:45 pmSAT - SLC
1 stop18h 29mFrontier
Deal found 9/15$167
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:45 pmSLC - SAT
1 stop15h 42mFrontier
Sat 10/43:22 pmSAT - SLC
1 stop8h 04mFrontier
Deal found 9/15$169
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/58:40 pmSLC - SAT
1 stop15h 36mFrontier
Sun 10/128:26 pmSAT - SLC
1 stop14h 47mFrontier
Deal found 9/14$175
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:00 amSLC - SAT
1 stop10h 30mFrontier
Fri 11/148:25 pmSAT - SLC
1 stop4h 36mFrontier
Deal found 9/14$176
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:00 amSLC - SAT
1 stop5h 17mMultiple Airlines
Wed 11/123:02 pmSAT - SLC
1 stop23h 17mMultiple Airlines
Deal found 9/14$183
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:32 amSLC - SAT
1 stop5h 42mFrontier
Sat 10/185:32 pmSAT - SLC
1 stop15h 00mFrontier
Deal found 9/15$184

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Salt Lake City to San Antonio that are best for you.

Fly from

Salt Lake City

Fly to

San Antonio

Route

Depart

Return

Price

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Fri 10/17

10:05 pm-4:37 pm

1 stop17h 32m

San Antonio

Thu 10/23

8:26 pm-7:32 am

1 stop12h 06m

$143

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Fri 10/24

6:30 am-7:41 pm

1 stop12h 11m

San Antonio

Sun 10/26

9:52 pm-8:33 am

1 stop11h 41m

$143

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Fri 10/24

12:36 pm-11:40 pm

2 stops10h 04m

San Antonio

Sun 10/26

9:52 pm-8:33 am

1 stop11h 41m

$259

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Fri 10/3

6:45 am-6:30 pm

1 stop10h 45m

San Antonio

Sun 10/5

8:20 pm-12:14 am

1 stop4h 54m

$304

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Sat 9/20

9:58 pm-9:10 am

1 stop10h 12m

San Antonio

Sun 9/21

8:20 pm-5:52 pm

2 stops22h 32m

$330

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Fri 11/7

11:19 am-12:05 am

1 stop11h 46m

San Antonio

Mon 11/10

6:51 pm-1:07 pm

1 stop19h 16m

$358

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Fri 11/7

3:23 pm-12:05 am

1 stop7h 42m

San Antonio

Tue 11/11

6:32 am-1:07 pm

1 stop7h 35m

$382

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Sun 11/2

2:01 pm-12:05 am

1 stop9h 04m

San Antonio

Tue 11/11

6:32 am-1:07 pm

1 stop7h 35m

$382

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Thu 11/6

2:01 pm-12:05 am

1 stop9h 04m

San Antonio

Tue 11/11

6:32 am-2:29 pm

1 stop8h 57m

$382

Salt Lake CitySan Antonio

SLC - SAT

SLCSAT

Salt Lake City

Mon 11/3

2:01 pm-12:05 am

1 stop9h 04m

San Antonio

Tue 11/11

6:32 am-2:29 pm

1 stop8h 57m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Salt Lake City to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Salt Lake City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Salt Lake City to San Antonio

How far ahead should I book a flight from Salt Lake City to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Salt Lake City to San Antonio. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Salt Lake City to San Antonio, you should look to book at least 45 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Salt Lake City to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Salt Lake City to San Antonio (average of $295). Flying from Salt Lake City to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SLC to SAT?

Find hourly flight availability from Salt Lake City to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s typically best to fly out from Salt Lake City to San Antonio in the evening. Doing so could potentially save you 14% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Salt Lake City to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to San Antonio. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Salt Lake City to San Antonio flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated September 17, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from Salt Lake City to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,173 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Salt Lake City to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Salt Lake City to San Antonio?

    San Antonio is the airport most travelers will use when flying to San Antonio from Salt Lake City. Booking flights from Salt Lake City (SLC) to San Antonio (SAT) should be relatively easy as there are 8 daily flights to San Antonio from 6 different airlines. 2h 37m is how long a flight from Salt Lake City to San Antonio will take if you book a nonstop flight.

  • How popular is this Salt Lake City to San Antonio flight route?

    The Salt Lake City to San Antonio flight path was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Salt Lake City to San Antonio?

    There are many flights that can get you from Salt Lake City to San Antonio in 17h 32m. Fly via Frontier to get the fastest option. The distance from Salt Lake City to San Antonio is about 1086 mi.

  • What are the cheapest airlines flying from Salt Lake City to San Antonio round-trip?

    Cheapflights users have booked flights from Salt Lake City to San Antonio round-trip from $126. Other airlines that can offer you cheap pricing are Spirit Airlines, from $171, and American Airlines, from $218. Frontier is currently priced 68% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Salt Lake City to San Antonio one-way?

    One-way options have recently been found by users for as low as $71 on Frontier. Other airlines that offer cheap prices include Southwest from $184 and Alaska Airlines from $197 one-way.

  • What are the most reliable airlines from Salt Lake City to San Antonio?

    Before booking your flight to San Antonio from Salt Lake City, check out the most reliable airlines to get you to your destination on time: WestJet (92%), Delta (85%), Virgin Atlantic( 81%).

  • What are the cheapest flights from Salt Lake City to San Antonio?

    Looking for the cheapest flight from Salt Lake City to San Antonio? While on average our users pay $404, our data indicates the cheapest price to be $288. The most popular route (Salt Lake City - San Antonio), is priced around $174.

  • Can I find deals for flights from Salt Lake City to San Antonio that include hotel bookings?

    Yes. In addition to deals on Salt Lake City to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Salt Lake City to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Salt Lake City to San Antonio.

  • Can I find deals for business class flights from Salt Lake City to San Antonio?

    Yes. Cheapflights offers flight deals from Salt Lake City to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Salt Lake City to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Salt Lake City to San Antonio (average of $295). Flying from Salt Lake City to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

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

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Alternative routes for Salt Lake City to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Salt Lake City to San Antonio

Discover the top 6 airlines that operate flights from Salt Lake City to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$126Average$230FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$171Average$231FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$218Average$461FlexibilityNo cancel feeOn-time71%
DeltaCheapest$319Average$460FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$343Average$479FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$348Average$501FlexibilityNo cancel feeOn-time69%

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