United States · 1,220 miles (1,963 km)

Houston (IAH) to Las Vegas (LAS) flights

2 airlines fly nonstop from Houston (IAH) to Las Vegas (LAS): Frontier Airlines and United Airlines. The two airports are 1,220 miles (1,963 km) apart. United Airlines is in Star Alliance. There are also 52 ways to fly it with one stop, through Midland, Austin and Albuquerque and more.

Airlines flying nonstop from IAH to LAS

Book IAH to LAS with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

IAH to LAS with one stop

52 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Midland (MAF)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Austin (AUS)United Airlines, then Delta Air Lines, Frontier Airlines and 2 more
    United Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    Allegiant Air logo
    +1
  • Via Albuquerque (ABQ)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Lubbock (LBB)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via El Paso (ELP)United Airlines, then Southwest Airlines and Frontier Airlines
    United Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via San Antonio (SAT)United Airlines, then Frontier Airlines and Southwest Airlines
    United Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
  • Via Phoenix (PHX)American Airlines and Frontier Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Amarillo (AMA)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    Frontier Airlines logo
  • Via Tucson (TUS)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Oklahoma City (OKC)United Airlines, then Allegiant Air, Southwest Airlines and 1 more
    United Airlines logo
    Allegiant Air logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Laredo (LRD)United Airlines, then Allegiant Air
    United Airlines logo
    Allegiant Air logo
  • Via Colorado Springs (COS)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Shreveport (SHV)United Airlines, then Allegiant Air
    United Airlines logo
    Allegiant Air logo
  • Via Palm Springs (PSP)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
See all 52 in Routes

IAH to LAS: common questions

Which airlines fly nonstop from IAH to LAS?

Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Houston (IAH) to Las Vegas (LAS).

How far is Houston from Las Vegas by plane?

Houston (IAH) and Las Vegas (LAS) are 1,220 miles (1,963 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book IAH to LAS award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does IAH to LAS cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAH to LAS with taxes and fees.

Where can I connect between Houston and Las Vegas?

The most direct connections are through Midland (MAF), Austin (AUS), Albuquerque (ABQ), Lubbock (LBB) and El Paso (ELP). On 14 of them the same airline flies both flights, for example American Airlines through Phoenix.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.