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Flights from Salt Lake City to San Antonio

Book direct flights from Salt Lake City to San Antonio: One way flights from $267, round trip flights from $415. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        SLC 10:00 AM
        2h 44m
        Nonstop
        SAT 1:44 PM
        Salt Lake City - San Antonio | Sat, May 16 | Delta Air Lines
        SAT 6:35 AM
        2h 57m
        Nonstop
        SLC 8:32 AM
        San Antonio - Salt Lake City | Thu, May 21 | Delta Air Lines
        $415 $561
        26% off
        26% off
        $561 $415
      • SLC 1:20 PM
        2h 45m
        Nonstop
        SAT 5:05 PM
        Salt Lake City - San Antonio | Sun, May 31 | Delta Air Lines
        SAT 6:35 AM
        2h 57m
        Nonstop
        SLC 8:32 AM
        San Antonio - Salt Lake City | Wed, Jun 3 | Delta Air Lines
        $435 $561
        22% off
        22% off
        $561 $435
      • SLC 9:51 AM
        2h 49m
        Nonstop
        SAT 1:40 PM
        Salt Lake City - San Antonio | Sun, Jul 5 | Delta Air Lines
        SAT 12:36 PM
        2h 54m
        Nonstop
        SLC 2:30 PM
        San Antonio - Salt Lake City | Thu, Jul 9 | Delta Air Lines
        $450 $561
        20% off
        20% off
        $561 $450
      • SLC 1:32 PM
        5h 42m
        1 stop
        SAT 8:14 PM
        Salt Lake City - San Antonio | Thu, May 14 | Frontier Airlines
        SAT 8:59 PM
        13h 31m
        1 stop
        SLC 9:30 AM
        San Antonio - Salt Lake City | Sat, May 16 | Frontier Airlines
        $219
        61% off
        $561 $219
      • SLC 8:30 PM
        21h 29m
        1 stop
        SAT 6:59 PM
        Salt Lake City - San Antonio | Thu, May 21 | Frontier Airlines
        SAT 7:54 PM
        20h 50m
        1 stop
        SLC 3:44 PM
        San Antonio - Salt Lake City | Mon, May 25 | Frontier Airlines
        $365
        35% off
        $561 $365
      • SLC 1:50 PM
        5h 21m
        1 stop
        SAT 8:11 PM
        Salt Lake City - San Antonio | Sun, Jul 5 | Frontier Airlines
        SAT 7:51 PM
        5h 3m
        1 stop
        SLC 11:54 PM
        San Antonio - Salt Lake City | Thu, Jul 9 | Frontier Airlines
        $406
        28% off
        $561 $406
      • SLC 1:32 PM
        5h 42m
        1 stop
        SAT 8:14 PM
        Salt Lake City - San Antonio | Sun, May 31 | Frontier Airlines
        SAT 7:54 PM
        12h 44m
        1 stop
        SLC 7:38 AM
        San Antonio - Salt Lake City | Wed, Jun 3 | Frontier Airlines
        $408
        27% off
        $561 $408
      • SLC 8:27 PM
        7h 43m
        1 stop
        SAT 5:10 AM
        Salt Lake City - San Antonio | Sat, May 16 | United Airlines
        SAT 6:02 PM
        5h 17m
        1 stop
        SLC 10:19 PM
        San Antonio - Salt Lake City | Thu, May 21 | United Airlines
        $425
        24% off
        $561 $425
      • SLC 5:00 AM
        6h 43m
        1 stop
        SAT 12:43 PM
        Salt Lake City - San Antonio | Sun, May 31 | United Airlines
        SAT 5:30 AM
        5h 7m
        1 stop
        SLC 9:37 AM
        San Antonio - Salt Lake City | Wed, Jun 3 | United Airlines
        $461
        18% off
        $561 $461
      • SLC 5:57 PM
        5h 2m
        1 stop
        SAT 11:59 PM
        Salt Lake City - San Antonio | Sun, Jul 5 | United Airlines
        SAT 4:35 PM
        5h 21m
        1 stop
        SLC 8:56 PM
        San Antonio - Salt Lake City | Thu, Jul 9 | United Airlines
        $465
        17% off
        $561 $465
      • SLC 1:00 PM
        17h 25m
        1 stop
        SAT 2:00 PM
        Salt Lake City - San Antonio | Fri, May 15 | Normal Airline
        SAT 3:00 PM
        6h
        Nonstop
        SLC 4:00 PM
        San Antonio - Salt Lake City | Sun, May 17 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SLC 5:35 PM
        2h 47m
        Nonstop
        SAT 9:22 PM
        Salt Lake City - San Antonio | Sun, Jun 14 | Delta Air Lines
        $267 $329
        19% off
        19% off
        $329 $267
      • SLC 1:25 PM
        2h 48m
        Nonstop
        SAT 5:13 PM
        Salt Lake City - San Antonio | Wed, Jul 1 | Delta Air Lines
        $273 $329
        17% off
        17% off
        $329 $273
      • SLC 10:54 PM
        19h 5m
        1 stop
        SAT 6:59 PM
        Salt Lake City - San Antonio | Mon, May 25 | Frontier Airlines
        $95 $329
        71% off
        71% off
        $329 $95
      • SLC 1:32 PM
        5h 42m
        1 stop
        SAT 8:14 PM
        Salt Lake City - San Antonio | Thu, May 14 | Frontier Airlines
        $103
        69% off
        $329 $103
      • SLC 1:32 PM
        5h 42m
        1 stop
        SAT 8:14 PM
        Salt Lake City - San Antonio | Tue, May 19 | Frontier Airlines
        $105
        68% off
        $329 $105
      • SLC 8:30 PM
        21h 29m
        1 stop
        SAT 6:59 PM
        Salt Lake City - San Antonio | Mon, May 18 | Frontier Airlines
        $108
        67% off
        $329 $108
      • SLC 7:45 AM
        10h 11m
        1 stop
        SAT 6:56 PM
        Salt Lake City - San Antonio | Sat, Jun 13 | Delta Air Lines
        $109
        67% off
        $329 $109
      • SLC 1:32 PM
        5h 42m
        1 stop
        SAT 8:14 PM
        Salt Lake City - San Antonio | Sun, Jun 7 | Frontier Airlines
        $110
        67% off
        $329 $110
      • SLC 10:54 PM
        19h 5m
        1 stop
        SAT 6:59 PM
        Salt Lake City - San Antonio | Sun, May 31 | Frontier Airlines
        $112
        66% off
        $329 $112
      • SLC 8:23 AM
        9h 36m
        1 stop
        SAT 6:59 PM
        Salt Lake City - San Antonio | Thu, Jun 4 | Frontier Airlines
        $112
        66% off
        $329 $112
      • SLC 1:32 PM
        5h 42m
        1 stop
        SAT 8:14 PM
        Salt Lake City - San Antonio | Mon, Jun 8 | Frontier Airlines
        $138
        57% off
        $329 $138
      • SLC 8:30 PM
        21h 29m
        1 stop
        SAT 6:59 PM
        Salt Lake City - San Antonio | Sun, May 17 | Frontier Airlines
        $195
        41% off
        $329 $195
      • SLC 1:00 PM
        17h 25m
        1 stop
        SAT 2:00 PM
        Salt Lake City - San Antonio | Fri, May 15 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Salt Lake City to San Antonio are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Salt Lake City to San Antonio (SLC-SAT)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $95 on Cheapest nonstop routes (e.g. SLC to SAT on Mon, May 25), while Frontier Airlines offers Cheapest nonstop round-trips from $219 departing on Thu, May 14 and returning on Sat, May 16.
  • At the moment, you can catch a nonstop flight from Salt Lake City to San Antonio with the following airlines, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 2 hours 55 minutes to fly from Salt Lake City (SLC) to San Antonio (SAT).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Salt Lake City to San Antonio is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 15 flight per week flying from Salt Lake City to San Antonio. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL3123 (10:03)
  • To find best deals on flights from Salt Lake City to San Antonio, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, May 25, with one-way flights priced at just $95.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Antonio travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Salt Lake City to San Antonio is December, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Salt Lake City to San Antonio on May 14, 2026 with Frontier Airlines, with prices starting at $218.
  • You can land at any one of the following hubs in San Antonio, with Salt Lake City International Airport to San Antonio International Airport (SLC-SAT) is by far the most common option on this route: San Antonio International Airport (SAT) Kelly Field Annex/Lackland Air Force Base (SKF).
  • The time difference between San Antonio and Salt Lake City is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.