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

Las Vegas (LAS) to Houston (IAH) flights

2 airlines fly nonstop from Las Vegas (LAS) to Houston (IAH): 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 LAS to IAH

Book LAS to IAH with points

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

LAS to IAH with one stop

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

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

LAS to IAH: common questions

Which airlines fly nonstop from LAS to IAH?

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

How far is Las Vegas from Houston by plane?

Las Vegas (LAS) and Houston (IAH) 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 LAS to IAH 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 LAS to IAH cost?

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

Where can I connect between Las Vegas and Houston?

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.