$86 Cheap Flights from San Antonio (SAT) to Salt Lake City (SLC)

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash

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

Prices were available within the past 7 days and start at $86 for one-way flights and $171 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Spirit Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
United
Southwest Airlines
American Airlines

Find the cheapest month to fly from San Antonio (SAT) to Salt Lake City (SLC)

September is typically the cheapest month to fly

From $106 - $325 per traveler.

Graph displaying average flight prices per month

Alternative airports near Salt Lake City

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from San Antonio (SAT) to Salt Lake City (SLC)
Origin airport
San Antonio Intl.
Destination airport
Salt Lake City Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$171
Distance
1087 mi
Average flight time
2 hours 18 mins

San Antonio to Salt Lake City Flights

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

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 San Antonio to Salt Lake City are during the month of October. You can find some of the cheapest flights from San Antonio to Salt Lake City with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Antonio to Salt Lake City: 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 San Antonio to Salt Lake City

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 San Antonio to Salt Lake City in 2025. You can also book with separate airlines for your outbound and return journeys, from $86 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 San Antonio to Salt Lake City 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 San Antonio to Salt Lake City 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 much does a flight from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC) cost?
Cheap round-trip fares from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC) start at $439. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Delta flight leaving SAT on August 10 2025 and touching down at SLC. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SAT to SLC?
The cheapest flights from SAT to SLC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC)?
Catch a direct flight with Delta Air Lines and head straight from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC).
What is the cheapest airline that flies from SAT to SLC?
At the moment, the cheapest airline operating one-way flights from SAT to SLC is Delta. You can book a seat on this route from $279. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SAT on September 30 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC)?
Daily, an average of 2 nonstop flights operate from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC). Choose the departure date that fits your schedule best.
What are the most popular departure times for flights from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC)?
The 7 AM departures from SAT to SLC are the busiest. They can also be more expensive. If you're looking to save, book during off-peak hours.
What day of the week has the most flights from SAT to SLC?
If you depart on a Friday, you'll get the widest range of choices for flights from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC).
What is the earliest flight from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC)?
The first flight of the day out of San Antonio Intl. Airport (SAT) is at around 7:45AM UTC-6. Catch this flight and you'll reach Salt Lake City Intl. Airport (SLC) at approximately 9:57AM UTC-7. The total time in the air is 3h 12m.
How long does it take to fly from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC)?
The average flight time from SAT to SLC is 3 hours and 8 minutes, covering a total distance of 1,100 mi.
What airline has the least delays from SAT to SLC?
Frontier Airlines has the best performance for on-time direct flights from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC), with an on-time score of 100%. Use the Expedia App to check your journey status before you jet off and get real-time updates about any trip changes.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC)?
Choose a flight from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Salt Lake City from San Antonio Intl. Airport (SAT)?
If you're boarding a direct flight from San Antonio Intl. Airport (SAT) to Salt Lake City, Salt Lake City Intl. Airport (SLC) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC) last-minute?
Booking your ticket from SAT to SLC shortly before your getaway is typically more expensive. However, if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SAT to SLC flight and hotel package?
Compared with arranging flights and hotels separately, booking a SAT to SLC flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Salt Lake City Intl. Airport (SLC)?
In most cases, you can reschedule or cancel your SAT to SLC flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, visit our Customer Service portal.

Explore a world of travel with Expedia

Salt Lake City nearby Airports
*Available to One Key members.