C$ 225 Find Cheap Flights from Las Vegas to San Antonio – Compare and Save

Among airlines operating Las Vegas to San Antonio flights:

• Frontier: offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Las Vegas and San Antonio. The airlines offering direct flights on this route include:

• Southwest
• Frontier

Flights from Las Vegas to San Antonio usually depart from Las Vegas Harry Reid Intl (LAS) and arrive at San Antonio (SAT).

Here are some options for this route, based on selected ticket types and cabin classes:

• Frontier: a carry-on bag and a checked bag in Economy Class
• Southwest: a carry-on bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

On this route, direct flights are cheaper than layover options on average. Direct fares average C$ 340 round-trip, compared to C$ 383 via a layover through Fort Lauderdale (FLL).

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 63–C$ 139 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest and JetBlue. Other aircraft seen on the route include Airbus A321neo variants.

One-stop flights from Las Vegas to San Antonio most commonly connect through:

• Denver Intl (DEN) – 57% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) – 25% of one-stop connections
• Houston George Bush Intcntl (IAH) – 11% of one-stop connections
• Dallas/Fort Worth (DFW) – 4% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 51% on the Las Vegas to San Antonio route. Friday is the cheapest departure day at C$ 274 round-trip on average, while Saturday is the most expensive at C$ 555, a difference of C$ 281. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Las Vegas to San Antonio flights, with 40% leaving in that window. Afternoon departures account for 40%, Evening flights for 20%, and Night flights for 0%.

Some of the most popular sights in San Antonio are San Antonio River Walk, Henry B. González Convention Center, and Hilton Palacio Del Rio. These are among the most viewed places in San Antonio on KAYAK.

These are the earliest and latest flight times available from Las Vegas to San Antonio:

• Earliest: departs at 5:05 am and lands at 7:43 am
• Latest: departs at 9:25 pm and lands at 12:03 am.

The flight takes about 2h 38m.

Last-minute fares on this route – booked within 2 weeks of departure – run 53% above the route average of C$ 355. Book 18 weeks before departure for the lowest fares.

A direct flight from Las Vegas to San Antonio takes 2h 38m, covering 2,763 km.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 455 to C$ 3,572. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Las Vegas to San Antonio are currently higher than usual. Average one-way flight prices are about C$ 263, which is 5% above the typical average for this route.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 5h 25m, compared with 5h 44m via Houston George Bush Intcntl (IAH) and 5h 48m via Phoenix Sky Harbor Intl (PHX).

San Antonio is 2 hours ahead of Las Vegas (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

San Antonio Airport (SAT) hosts 5 major car rental companies, with daily rates starting from around C$ 31 for economy cars. Top options include:
• Europcar
• Fox
• Dollar
• Hertz
• Alamo

Round-trip flights from Las Vegas to San Antonio range from C$ 221 to C$ 527, with an average of C$ 355 over the past 12 months. Anything below C$ 221 counts as a good deal.