Spirit's Big Front Seats offer 11 inches more legroom, ideal for comfort on short flights.
Spirit's self-service bag drop saves time; print your boarding pass to avoid extra fees.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $100 (Kiwi.com) |
One-way from | $48 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $264 |
Good round-trip deal | $188 or less |
Good one-way deal | $77 or less |
Fly from
Fly to
Route
Depart
Return
Price
San AntonioLas Vegas
SAT - LAS
SATLAS
San Antonio
Sun 2/1
1:15 pm-2:22 pm
Nonstop3h 07m
Las Vegas Harry Reid Intl
Tue 2/3
7:00 am-5:45 pm
1 stop8h 45m
San AntonioLas Vegas
SAT - LAS
SATLAS
San Antonio
Fri 2/6
4:40 pm-10:53 pm
1 stop8h 13m
Las Vegas Harry Reid Intl
Mon 2/9
10:15 pm-9:50 am
1 stop9h 35m
San AntonioLas Vegas
SAT - LAS
SATLAS
San Antonio
Fri 1/23
6:20 pm-11:32 pm
1 stop7h 12m
Las Vegas Harry Reid Intl
Mon 1/26
10:15 pm-9:50 am
1 stop9h 35m
San AntonioLas Vegas
SAT - LAS
SATLAS
San Antonio
Tue 1/20
4:40 pm-8:55 pm
1 stop6h 15m
Las Vegas Harry Reid Intl
Tue 1/27
6:00 am-1:48 pm
1 stop5h 48m
San AntonioLas Vegas
SAT - LAS
SATLAS
San Antonio
Tue 2/3
1:40 pm-6:56 pm
1 stop7h 16m
Las Vegas Harry Reid Intl
Tue 2/3
11:15 pm-9:50 am
1 stop8h 35m
San AntonioLas Vegas
SAT - LAS
SATLAS
San Antonio
Wed 2/4
7:00 am-1:05 pm
1 stop8h 05m
Las Vegas Harry Reid Intl
Wed 2/4
5:20 pm-12:41 am
1 stop5h 21m
San AntonioLas Vegas
SAT - LAS
SATLAS
San Antonio
Sun 2/1
9:30 am-10:30 am
Nonstop3h 00m
Las Vegas Harry Reid Intl
Tue 2/3
8:55 am-1:25 pm
Nonstop2h 30m
San AntonioLas Vegas
SAT - LAS
SATLAS
San Antonio
Fri 1/23
4:40 pm-10:53 pm
1 stop8h 13m
Las Vegas Harry Reid Intl
Sat 1/24
6:15 am-2:43 pm
1 stop6h 28m
San AntonioLas Vegas
SAT - LAS
SATLAS
San Antonio
Wed 2/25
6:35 am-10:15 am
1 stop5h 40m
Las Vegas Harry Reid Intl
Tue 3/3
5:15 pm-9:40 pm
Nonstop2h 25m
San AntonioLas Vegas
SAT - LAS
SATLAS
San Antonio
Fri 4/24
10:26 am-11:59 pm
1 stop15h 33m
Las Vegas Harry Reid Intl
Sun 4/26
9:59 pm-9:30 am
1 stop9h 31m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
The price you pay for your flight from San Antonio to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, June is the cheapest month in which you can book a flight from San Antonio to Las Vegas (average of $55). Flying from San Antonio to Las Vegas in December is currently the most expensive (average of $84). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from San Antonio to Las Vegas is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 22% on airfare.
Travelers seeking maximum savings on their San Antonio to Las Vegas flight should consider departing on Sunday at noon when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
About 12% of weekly flights between San Antonio and Las Vegas have experienced delays in the past year, with the average delay time being 137 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Frontier have had the lowest number of delays on this route, with just 10% of flights being delayed.
Boarding
Crew
Food
Comfort
Overall
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Crew
Food
Comfort
Overall
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Crew
Food
Comfort
Overall
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Crew
Food
Comfort
Overall
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Crew
Food
Comfort
Overall
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Crew
Food
Comfort
Overall
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$215 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$87 | Average$178 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$147 | Average$276 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$150 | Average$366 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$176 | Average$338 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$222 | Average$422 | FlexibilityNo cancel fee | On-time63% |