Houston to Las Vegas Flight Time & Schedules

What Is the Typical Flight Duration from Houston to Las Vegas?

A nonstop flight from Houston to Las Vegas generally takes around 3 hours 10 minutes to 3 hours 25 minutes. The duration depends on the Houston departure airport, chosen airline, weather, winds and air-traffic conditions.

Direct services depart from George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU). Flights from both airports arrive at Harry Reid International Airport (LAS), the main commercial airport serving Las Vegas.

United Airlines and Frontier Airlines fly nonstop from Bush Intercontinental, while Southwest Airlines operates direct services from Hobby Airport. Passengers can therefore choose their departure airport according to location, schedule and fare.

Connecting flights usually take approximately 5 to 8 hours or longer. However, a nonstop service is normally the quickest option for this route.

Typical Nonstop Journey Time

Direct flights from Houston to Las Vegas usually require between 3 hours 10 minutes and 3 hours 25 minutes.

The actual time in the air may be slightly shorter than the scheduled duration because published timetables include time for taxiing, take-off and landing. Thunderstorms in Houston, desert winds near Las Vegas and airport congestion can also influence the journey.

Travelling nonstop from George Bush Intercontinental Airport to Harry Reid International Airport usually takes around 3 hours 25 minutes.

The distance between IAH and LAS is approximately 1,219 miles, equivalent to about 1,962 kilometres. United Airlines and Frontier Airlines currently operate regular direct flights between the two airports.

Bush Intercontinental generally offers a broad selection of departure times. It may be the more convenient option for passengers living in northern Houston or those connecting from another flight.

The average nonstop journey from William P. Hobby Airport to Harry Reid International Airport takes approximately 3 hours 10 minutes.

The HOU–LAS route covers about 1,232 miles or 1,983 kilometres. Southwest Airlines is currently the only carrier providing regular nonstop services between these airports.

Hobby Airport may suit passengers travelling from central or southern Houston. Its direct flights also provide an alternative when comparing schedules and fares from Bush Intercontinental.

One-stop journeys generally take around 5 to 8 hours or more. The final duration depends on the departure airport, transfer location and layover length.

Possible connections include San Antonio, Dallas Fort Worth, Denver, Phoenix and Salt Lake City. Some of the shorter current itineraries take approximately 5 hours, while a long wait between flights can extend the trip considerably.

Since direct services operate from both major Houston airports, passengers should check whether the savings offered by a connecting fare justify the additional travel time.

Houston-to-Las Vegas Journey Times from Each Airport

Departure Airport	Arrival Airport	Route Code	Estimated Journey Time
George Bush Intercontinental Airport	Harry Reid International Airport	IAH–LAS	Approximately 3 hrs 25 mins nonstop
William P. Hobby Airport	Harry Reid International Airport	HOU–LAS	Approximately 3 hrs 10 mins nonstop
Either Houston airport	Harry Reid International Airport	IAH/HOU–LAS	Approximately 5–8+ hrs with one connection

The listed durations are estimates. Flight schedules, weather, airport congestion and connection lengths can change the complete journey time.

Carriers Operating Direct Houston-to-Las Vegas Flights

United Airlines

Southwest Airlines

Frontier Airlines

Time Difference Between Houston and Las Vegas

Las Vegas is two hours behind Houston throughout the year. Houston follows Central Time, while Las Vegas observes Pacific Time.

Both cities move their clocks forward and backward for daylight saving time on the same schedule. As a result, the two-hour difference remains unchanged.

For example, when it is 9:00 AM in Houston, it is 7:00 AM in Las Vegas. A flight leaving Houston at 9:00 AM and taking 3 hours 25 minutes would arrive at approximately 10:25 AM Las Vegas time.

Flights generally arrive in Las Vegas on the same calendar day. Late-night departures may land shortly after midnight, depending on the published schedule.

Explore More Flight Times & Routes

Planning beyond this route? Explore more flight times, distances, and travel durations using our tools below.

Start with our Flight Time Calculator to estimate journey times worldwide, or browse average travel times from your departure city using the Houston Flight Times.