Cheap flights from San Antonio to Las Vegas

Flights overview

Useful information for finding cheap flights from San Antonio to Las Vegas and booking your next trip
Cheapest round-trip flights $228
Frontier Nonstop 3 hr Thu, Jun 18 — Mon, Jun 22
The cheapest round-trip flight from San Antonio to Las Vegas is currently $228
Cheapest one-way flight $79
Frontier Nonstop 3 hr Wed, Jun 3
The cheapest one-way flight from San Antonio to Las Vegas is currently $79
Last-minute weekend getaway $331
Frontier 1 stop 14 hr Thu, May 7 — Mon, May 11
The cheapest last-minute weekend getaway from San Antonio to Las Vegas is currently $331
Cheapest business class flights $456
Frontier Nonstop 3 hr Sat, Jun 6 — Mon, Jun 8
The cheapest business class round-trip flight from San Antonio to Las Vegas is currently $456
Fastest flight 2 hr 40 min The fastest nonstop flight from San Antonio to Las Vegas takes 2 hr 40 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from San Antonio to Las Vegas is typically October. The most expensive month to fly is typically March.
October
Cheapest
Typical prices: $110–245
March
Most expensive
Typical prices: $220–380

Popular airlines from San Antonio to Las Vegas

  • Southwest
    Nonstop
    from $315
    Typical price: $265–530
    33 weekly nonstop flights
    SAT - LAS Every day
    1101 weekly connecting flights
    SAT - LAS Every day
  • American
    from $304
    Typical price: $225–530
    661 weekly connecting flights
    SAT - LAS Every day
  • Frontier
    Nonstop
    from $228
    Typical price: $140–315
    6 weekly nonstop flights
    SAT - LAS Every Mon, Tue, Wed, Thu, Fri, Sun
    15 weekly connecting flights
    SAT - LAS Every day
  • United
    from $273
    Typical price: $325–580
    304 weekly connecting flights
    SAT - LAS Every day
  • Delta
    from $509
    Typical price: $255–700
    238 weekly connecting flights
    SAT - LAS Every day
  • Alaska
    from $711
    Typical price: $485–1,050
    21 weekly connecting flights
    SAT - LAS Every day

Popular airports near San Antonio

  • San Antonio International Airport (SAT)
    San Antonio United States 19 min 7 mi
  • Austin-Bergstrom International Airport (AUS)
    Austin United States 1 hr 21 min 72 mi
  • George Bush Intercontinental Airport (IAH)
    Houston United States 3 hr 9 min 193 mi
  • William P. Hobby Airport (HOU)
    Houston United States 3 hr 14 min 193 mi

Popular airports near Las Vegas

  • Harry Reid International Airport (LAS)
    Las Vegas United States 16 min 6 mi
  • St. George Regional Airport (SGU) (SGU)
    St. George United States 1 hr 52 min 108 mi
  • Boulder City Municipal Airport (BLD)
    Boulder City United States 26 min 22 mi
  • Cedar City Regional Airport (CDC)
    Cedar City United States 2 hr 31 min 154 mi

Frequently asked questions about flying from San Antonio to Las Vegas

The cheapest flights from San Antonio to Las Vegas are usually in October. Typical ticket prices in October range from $110 to $245.
The cheapest round-trip flight from San Antonio to Las Vegas recently found on Google Flights was with Frontier from $228. The cheapest one-way flight was with Frontier from $79.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from San Antonio to Las Vegas is $315, flying from Jun 6 to Jun 8.
  • The cheapest American flight from San Antonio to Las Vegas is $304, flying from May 30 to Jun 1.
  • The cheapest Frontier flight from San Antonio to Las Vegas is $228, flying from Jun 18 to Jun 22.
  • The cheapest United flight from San Antonio to Las Vegas is $273, flying from Jun 6 to Jun 8.
  • The cheapest Delta flight from San Antonio to Las Vegas is $509, flying from Jul 30 to Aug 2.
  • The cheapest Alaska flight from San Antonio to Las Vegas is $711, flying from Jul 30 to Aug 2.
The cheapest round-trip flight from San Antonio to Las Vegas starts at $228 from Thu, Jun 18 to Mon, Jun 22. The cheapest one-way flight starts at $79 and departs on Wed, Jun 3.
2 hr 40 min is the shortest flight time from San Antonio to Las Vegas.
Las Vegas is a busy year-round destination with a subtropical desert climate. There's no specific peak season, but crowds and prices increase around holidays and the many annual conventions. Popular events include the Consumer Electronic Show (Jan), the Project fashion trade show (Feb and Aug), NASCAR Weekend (Mar), the National Finals Rodeo (Dec), and New Year's Eve. During summer (Jun–Aug), extremely high daytime temperatures may make outdoor activities like golf and canyon hiking inadvisable.
It's easy to use Google Flights to find the cheapest days to fly from San Antonio to Las Vegas.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from San Antonio to Las Vegas really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from San Antonio to Las Vegas.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 33 nonstop flights and 1,101 connecting flights per week. Southwest flies from San Antonio International Airport (SAT) to Harry Reid International Airport (LAS) .

Other popular airlines flying from San Antonio to Las Vegas are:
  • American offers 661 connecting flights per week. American flies from San Antonio International Airport (SAT) to Harry Reid International Airport (LAS) .
  • Frontier offers 6 nonstop flights and 15 connecting flights per week. Frontier flies from San Antonio International Airport (SAT) to Harry Reid International Airport (LAS) .
  • United offers 304 connecting flights per week. United flies from San Antonio International Airport (SAT) to Harry Reid International Airport (LAS) .
  • Delta offers 238 connecting flights per week. Delta flies from San Antonio International Airport (SAT) to Harry Reid International Airport (LAS) .
  • Alaska offers 21 connecting flights per week. Alaska flies from San Antonio International Airport (SAT) to Harry Reid International Airport (LAS) .
The number of connecting flights refers to distinct flights with at least one stop between San Antonio and Las Vegas.
The cheapest round-trip flight from San Antonio to Las Vegas recently found on Google Flights was with Frontier from $228. The cheapest one-way flight was with Frontier from $79.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from San Antonio to Las Vegas is $315, flying from Jun 6 to Jun 8.
  • The cheapest American flight from San Antonio to Las Vegas is $304, flying from May 30 to Jun 1.
  • The cheapest Frontier flight from San Antonio to Las Vegas is $228, flying from Jun 18 to Jun 22.
  • The cheapest United flight from San Antonio to Las Vegas is $273, flying from Jun 6 to Jun 8.
  • The cheapest Delta flight from San Antonio to Las Vegas is $509, flying from Jul 30 to Aug 2.
  • The cheapest Alaska flight from San Antonio to Las Vegas is $711, flying from Jul 30 to Aug 2.
Southwest and Frontier fly direct from San Antonio to Las Vegas.
  • There are 33 Southwest direct flights from San Antonio to Las Vegas per week. Flights are available every day.
  • There are 6 Frontier direct flights from San Antonio to Las Vegas per week. Flights are available on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between San Antonio and Las Vegas at price $331 is offered by Frontier from Thu, May 7 to Mon, May 11.
Southwest and Frontier fly direct from San Antonio to Las Vegas.
  • There are 33 Southwest direct flights from San Antonio to Las Vegas per week. Flights are available every day.
  • There are 6 Frontier direct flights from San Antonio to Las Vegas per week. Flights are available on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from San Antonio to Las Vegas on a daily basis.
The cheapest direct (nonstop) round-trip flights between San Antonio and Las Vegas start at $228 from Thu, Jun 18 to Mon, Jun 22 with Frontier.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Antonio to Las Vegas, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between San Antonio and Las Vegas start at $456 from Sat, Jun 6 to Mon, Jun 8 with Frontier.
The cheapest economy class round-trip flights between San Antonio and Las Vegas start at $228 from Thu, Jun 18 to Mon, Jun 22.
To book business class trips from San Antonio to Las Vegas, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between San Antonio and Las Vegas starts at $331 from Thu, May 7 to Mon, May 11 with Frontier.
The cheapest last-minute deal between San Antonio and Las Vegas at price $331 is offered by Frontier from Thu, May 7 to Mon, May 11.
To find last-minute flight deals from San Antonio to Las Vegas, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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