Find cheap airlines flights from San Antonio to Las Vegas

You can choose from 3 airlines that fly from San Antonio to Las Vegas, including Frontier Airlines, Spirit Airlines, and American Airlines. Frontier Airlines has lowest fares on this route.
Frontier Airlines logo Frontier Airlines
Spirit Airlines logo Spirit Airlines
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from San Antonio to Las Vegas according to previous 12 months data from Trip.com.

Book direct flights from San Antonio to Las Vegas: One way flights from $52, round trip flights from $153. Find flight deals for the next 3 months below.

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

Flight Info | San Antonio to Las Vegas

The distance between San Antonio and Las Vegas is approximately 1,719.11 km. It takes around 3 hours 23 minutes on average to fly from San Antonio to Las Vegas. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price$49
Cheapest round-trip ticket price$142
Off-season for travelNovember
Peak season for travelJuly
Flight distance1,719.11 km
Average flight time3 hours 23 minutes
Popular airlineFrontier Airlines
Flight statistics for the San Antonio–Las Vegas route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from San Antonio to Las Vegas

Which month has the cheapest one-way flights from San Antonio to Las Vegas?

The average price of one-way flights from San Antonio to Las Vegas purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from San Antonio to Las Vegas is August, with an average price of $70; while the month with the highest flight price is usually May, with an average price of up to $171.

$171
$121
$70
$20
    Cheapest
  • $135
    Mar
  • $98
    Apr
  • $171
    May
  • $170
    Jun
  • $150
    Jul
  • $70
    Aug
  • $159
    Sep
  • $106
    Oct
  • $91
    Nov
  • $143
    Dec
  • $143
    Jan
  • $121
    Feb

What's the cheapest day to fly from San Antonio to Las Vegas?

Data is based on the average flight price for each day of the week from San Antonio to Las Vegas on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from San Antonio to Las Vegas is Monday, with average prices lower than on other days. Avoid Friday, as prices are usually highest then.

$221
$153
$84
$16
  • $84
    Mon
  • $120
    Tue
  • $132
    Wed
  • $107
    Thu
  • $221
    Fri
  • $133
    Sat
  • $132
    Sun

What's the cheapest day to fly from San Antonio to Las Vegas during Bruno Mars The Romantic Tour In Las Vegas 2026?

Data is based on the lowest one-way price from San Antonio to Las Vegas during Bruno Mars The Romantic Tour In Las Vegas 2026 on Trip.com in the past 3 days.

During the Bruno Mars The Romantic Tour In Las Vegas 2026 period, the cheapest flights from San Antonio to Las Vegas were available on Apr 6 with the lowest price being $86.

$137
$112
$86
$61
  • $86
    Apr 6
  • $87
    Apr 7
  • $114
    Apr 8
  • $137
    Apr 9
  • $107
    Apr 10
  • $114
    Apr 11
  • $101
    Apr 12

Frequently Asked Questions

  • What are the cheapest flights from San Antonio to Las Vegas (SAT-LAS)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $49 on Cheapest nonstop routes (e.g. SAT to LAS on Tue, Apr 21), while Frontier Airlines offers Cheapest nonstop round-trips from $142 departing on Mon, Apr 6 and returning on Wed, Apr 8.
  • At the moment, you can catch a nonstop flight from San Antonio to Las Vegas with the following airlines, including: Frontier Airlines Spirit Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 3 hours 23 minutes to fly from San Antonio (SAT) to Las Vegas (LAS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Antonio to Las Vegas 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 4 flight per week flying from San Antonio to Las Vegas. You can check the weekly schedule for popular airlines on this route below: Frontier Airlines: S/-/-/W/T/-/- -- F93417 (12:00)
  • To find best deals on flights from San Antonio to Las Vegas, 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 Tue, Apr 21, with one-way flights priced at just $49.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · 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 Las Vegas travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Antonio to Las Vegas is November, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from San Antonio to Las Vegas on March 23, 2026 with Frontier Airlines, with prices starting at $52.
  • You can land at any one of the following hubs in Las Vegas, with San Antonio International Airport to Harry Reid International Airport (SAT-LAS) is by far the most common option on this route: Harry Reid International Airport (LAS) Boulder City Municipal Airport (BLD) Henderson Executive Airport (HSH) Nellis Air Force Base (LSV).
  • The time difference between Las Vegas and San Antonio is 2h.
  • 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 San Antonio to Las Vegas

Which airlines offer the cheapest nonstop flights from San Antonio to Las Vegas?

Data is based on the average price of all nonstop flights from San Antonio to Las Vegas on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, Frontier Airlines offers the cheapest nonstop flights from San Antonio to Las Vegas, with an average price of $137.

$82
$137
$193
$249
$304
Frontier Airlines
$137
Frontier Airlines
Spirit Airlines
$151
Spirit Airlines
American Airlines
$253
American Airlines
Delta Air Lines
$291
Delta Air Lines
United Airlines
$304
United Airlines

Which airlines operate the most flights from San Antonio to Las Vegas?

Data is based on the number of flights from San Antonio to Las Vegas operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, Volaris operates the most flights from San Antonio to Las Vegas, with 9 flight per week.

0
1
5
9
Volaris
9
Volaris
Frontier Airlines
6
Frontier Airlines
United Airlines
1
United Airlines

How many flights are there each day from San Antonio to Las Vegas?

Data is based on the number of flights from San Antonio to Las Vegas for each day of the week on Trip.com over the last month.

Based on Trip.com data from the past month, the most flights from San Antonio to Las Vegas depart on Friday, and the fewest flights depart on Tuesday/Wednesday.

31
19
6
0
Highest
25
Mon
6
Tue
6
Wed
18
Thu
31
Fri
13
Sat
24
Sun

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.