$46 Cheap Flights from Salt Lake City (SLC) to San Antonio (SAT)

Popular airlines from Salt Lake City International Airport (SLC) to San Antonio International Airport (SAT)

Find available prices by choosing your travel dates.

Cheap Flights from Salt Lake City to San Antonio (SLC-SAT)

Prices were available within the past 7 days and start at $46 for one-way flights and $123 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Southwest Airlines
Frontier Airlines
United
American Airlines
Flights from Salt Lake City (SLC) to San Antonio (SAT)
Origin airport
Salt Lake City Intl.
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$122
Distance
1087 mi

Salt Lake City to San Antonio Flights

The cheapest times to fly from Salt Lake City to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Salt Lake City to San Antonio are during the month of May. You can find some of the cheapest flights from Salt Lake City to San Antonio with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Salt Lake City to San Antonio

Sunday is one of the best days to book for cheap flights from Salt Lake City to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Salt Lake City to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Salt Lake City to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $46 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Salt Lake City to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Salt Lake City to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from SLC to San Antonio Intl. Airport (SAT)?
Delta Air Lines has a direct flight departing Salt Lake City Intl. Airport (SLC) at 1:45PM and arriving at San Antonio Intl. Airport (SAT) at 5:20PM — a flying time of 2 hours and 35 minutes. Pick your perfect seat, pack a few things to keep you entertained and the time will zip by.
Is it cheaper to buy a plane ticket from Salt Lake City Intl. Airport to San Antonio Intl. Airport (SAT) last minute?
Booking your flight from Salt Lake City Intl. Airport to San Antonio Airport last minute could save you money if you’re lucky to find a good deal. However, fares usually don’t come down in price as the departure date nears. If you hold off, flights could also be booked out or the best seats taken. If you’d rather not hedge your bets, book well in advance of the date you want to leave. It’s worth noting that some of the best deals can be found up to 12 months in advance. If your favorite airline hasn’t released tickets yet, check back regularly as offers are updated on Expedia constantly.
What airline has the least delays from SLC to San Antonio Airport?
If you don’t want to be waiting for hours — or worse, your travel plans left in tatters because of a flight delay — book with Delta Air Lines. Around 82% of its Salt Lake City Intl. Airport to San Antonio Intl. Airport (SAT) services land on schedule. You can check your flight status before heading to the airport through the free Expedia App. It also delivers real-time notifications about gate changes and directions to your hotel. All the details you need are in your pocket with this all-in-one travel companion.
What airports do you fly into for San Antonio from Salt Lake City?
Flights from Salt Lake City to San Antonio land at San Antonio Intl. Airport (SAT). Roughly 7 mi north of downtown San Antonio, it’s the primary gateway to this dynamic city. When you’re ready to tick off some popular sights, San Antonio Zoo and Aquarium and Frost Bank Center should be at the top of your list.
What are the most popular departure times for flights from Salt Lake City Intl. Airport to San Antonio Airport?
The most popular departure times for trips from Salt Lake City Intl. Airport (SLC) to San Antonio Airport fall between 10:00 AM - 11:00 AM on Delta Air Lines. It’s a good idea to jet out in the morning. The earlier you take off, the better your chances of a delay-free flight as air traffic hasn’t yet built up.
Can I change the date of my flight from SLC to San Antonio Airport?
Make changes quickly to your SLC to SAT ticket via the Expedia Trips portal. But before amending dates or times, look over the conditions in your itinerary to see what the airline will let you do and whether fees apply. Some airlines have a change fee per person, on top of any difference in ticket prices. But if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also head to our Customer Service portal for more information and to connect with our Virtual Agent.

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*Available to One Key members.