Search for direct flights from Salt Lake City to San Antonio in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$255, and round-trip direct flights start at US$406.

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.

Salt Lake City to San Antonio Flight Details

The distance between Salt Lake City and San Antonio is about 1,749.4 km. The average flying time from Salt Lake City to San Antonio is around 2 hours 53 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is December.

Cheapest one-way flight priceUS$79
Cheapest return ticket priceUS$383
Cheapest monthDecember
Peak season for travelJuly
Flight distance1,749.4 km
Average flight time2 hours 53 minutes
Flight statistics for the Salt Lake City–San Antonio route are based on aggregated booking data from Trip.com over the past 12 months.

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 US$79 on Cheapest nonstop routes (e.g. SLC to SAT on Wed, Apr 15), while Frontier Airlines offers Cheapest nonstop round-trips from US$383 departing on Sun, Apr 26 and returning on Sat, May 2.
  • It takes about 2 hours 53 minutes to fly from Salt Lake City to San Antonio.
  • 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.
  • 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 Wed, Apr 15, with one-way flights priced at just US$79.
    · 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 April flight calendar, it's currently cheapest to fly from Salt Lake City to San Antonio on April 15, 2026 with Frontier Airlines, with prices starting at US$174.
  • 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.

Trip.com Airline Insights on Flights from Salt Lake City to San Antonio

Which airline operates the most flights from Salt Lake City to San Antonio?

Total flights from Salt Lake City to San Antonio across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Delta Air Lines operates the most frequent flights from Salt Lake City to San Antonio, with 21 flights per week.

0
5
13
21
Delta Air Lines
21
Delta Air Lines
WestJet
14
WestJet
KLM
8
KLM
Aeromexico
6
Aeromexico
United Airlines
6
United Airlines
Virgin Atlantic
5
Virgin Atlantic

How many flights fly from Salt Lake City to San Antonio daily?

The data is based on the flight numbers for each day of the week from Salt Lake City to San Antonio within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Salt Lake City to San Antonio is the highest on Friday and the lowest on Monday/Saturday.

49
42
35
28
Highest
35
Mon
39
Tue
36
Wed
40
Thu
49
Fri
35
Sat
43
Sun

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.