Cheap flights from San Antonio to Salt Lake City from $78

In general, October is the cheapest month to fly from San Antonio to Salt Lake City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $280. If you are unable to visit Salt Lake City during the month of October, then departing from San Antonio during the month May is also very affordable. Most momondo users find prices during this month for around $359.

On average, the least expensive day to fly to Salt Lake City from San Antonio is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $361. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Salt Lake City on Sunday is $537.

Our most recent data shows that the best time of day to fly to Salt Lake City is in the afternoon. Flights from San Antonio to Salt Lake City during this time can be as low as $383. At noon is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $499 per ticket.

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

You are more likely to see cheaper flights to Salt Lake City from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Salt Lake City for around $431 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Salt Lake City from San Antonio for as low as $319 on momondo.

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

Delta is the most popular carrier operating from San Antonio to Salt Lake City

Delta, Frontier and Southwest are the top three most popular airlines that fly to Salt Lake City from San Antonio according to our data. Delta is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Salt Lake City. Keep in mind that there are 7 different airlines that fly to Salt Lake City on a routine basis, so you have a few additional options to choose from.

Denver (DEN) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $161.

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 11h 47m.

Las Vegas (LAS) has the shortest average layover time for this route: 6h 40m.

As of March 2026, there are 8 flights per day flying from San Antonio to Salt Lake City. The most common time of day flights depart is 7:00AM, with 59% of flights taking off in the afternoon.

As of March 2026, 57 flights take off from San Antonio and land in Salt Lake City each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.