Cheap flights from San Antonio to Mountain States

View AU$160 flight on Tue, 9 Sep. 2025Opens in a new window

Popular airlines from San Antonio to Mountain States

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Alaska Airlines

    Alaska Airlines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from San Antonio (SAT) to Mountain States (DEN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 9 Sep. - Tue, 16 Sep.
SAT
San Antonio
LAS
Las Vegas
AU$320 Return, found 12 hours ago
AU$320
Return
found 12 hours ago
Select American Airlines flight, departing Tue, 9 Sep. from San Antonio to Las Vegas, returning Tue, 16 Sep., priced at AU$320 found 12 hours ago
Delta
Tue, 9 Sep. - Tue, 16 Sep.
SAT
San Antonio
LAS
Las Vegas
AU$320 Return, found 12 hours ago
AU$320
Return
found 12 hours ago
Select Delta flight, departing Tue, 9 Sep. from San Antonio to Las Vegas, returning Tue, 16 Sep., priced at AU$320 found 12 hours ago
American Airlines
Fri, 5 Sep. - Fri, 12 Sep.
SAT
San Antonio
LAS
Las Vegas
AU$325 Return, found 4 days ago
AU$325
Return
found 4 days ago
Select American Airlines flight, departing Fri, 5 Sep. from San Antonio to Las Vegas, returning Fri, 12 Sep., priced at AU$325 found 4 days ago
American Airlines
Tue, 9 Sep. - Tue, 16 Sep.
SAT
San Antonio
LAS
Las Vegas
AU$335 Return, found 12 hours ago
AU$335
Return
found 12 hours ago
Select American Airlines flight, departing Tue, 9 Sep. from San Antonio to Las Vegas, returning Tue, 16 Sep., priced at AU$335 found 12 hours ago
United
Fri, 5 Sep. - Fri, 12 Sep.
SAT
San Antonio
LAS
Las Vegas
AU$422 Return, found 4 days ago
AU$422
Return
found 4 days ago
Select United flight, departing Fri, 5 Sep. from San Antonio to Las Vegas, returning Fri, 12 Sep., priced at AU$422 found 4 days ago
Alaska Airlines
Tue, 9 Sep. - Tue, 16 Sep.
SAT
San Antonio
LAS
Las Vegas
AU$474 Return, found 12 hours ago
AU$474
Return
found 12 hours ago
Select Alaska Airlines flight, departing Tue, 9 Sep. from San Antonio to Las Vegas, returning Tue, 16 Sep., priced at AU$474 found 12 hours ago

Find the cheapest month to fly from San Antonio (SAT) to Las Vegas (LAS)

September is typically the cheapest month to fly

From AU$71 - AU$189 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.