Cheap flights from Houston to Mountain States

View AU$136 flight on Tue, 16 Dec. 2025Opens in a new window

Popular airlines from Houston 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 Houston (HOU) 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
Mon, 1 Sep. - Mon, 8 Sep.
IAH
Houston
DEN
Denver
AU$272 Return, found 5 days ago
AU$272
Return
found 5 days ago
Select American Airlines flight, departing Mon, 1 Sep. from Houston to Denver, returning Mon, 8 Sep., priced at AU$272 found 5 days ago
American Airlines
Mon, 1 Sep. - Mon, 8 Sep.
IAH
Houston
LAS
Las Vegas
AU$272 Return, found 6 days ago
AU$272
Return
found 6 days ago
Select American Airlines flight, departing Mon, 1 Sep. from Houston to Las Vegas, returning Mon, 8 Sep., priced at AU$272 found 6 days ago
American Airlines
Tue, 2 Sep. - Tue, 9 Sep.
IAH
Houston
LAS
Las Vegas
AU$274 Return, found 4 days ago
AU$274
Return
found 4 days ago
Select American Airlines flight, departing Tue, 2 Sep. from Houston to Las Vegas, returning Tue, 9 Sep., priced at AU$274 found 4 days ago
Alaska Airlines
Thu, 4 Sep. - Thu, 11 Sep.
IAH
Houston
LAS
Las Vegas
AU$314 Return, found 3 days ago
AU$314
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 4 Sep. from Houston to Las Vegas, returning Thu, 11 Sep., priced at AU$314 found 3 days ago
Delta
Thu, 4 Sep. - Thu, 11 Sep.
IAH
Houston
LAS
Las Vegas
AU$324 Return, found 3 days ago
AU$324
Return
found 3 days ago
Select Delta flight, departing Thu, 4 Sep. from Houston to Las Vegas, returning Thu, 11 Sep., priced at AU$324 found 3 days ago
United
Tue, 23 Sep. - Fri, 26 Sep.
IAH
Houston
LAS
Las Vegas
AU$346 Return, found 2 days ago
AU$346
Return
found 2 days ago
Select United flight, departing Tue, 23 Sep. from Houston to Las Vegas, returning Fri, 26 Sep., priced at AU$346 found 2 days ago

Find the cheapest month to fly from Houston (HOU) to Las Vegas (LAS)

September is typically the cheapest month to fly

From AU$85 - AU$271 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.