Denver to Las Vegas Flight Time & Schedules

How Much Time Does the Trip from Denver to Las Vegas Usually Take?

A nonstop flight from Denver International Airport (DEN) to Harry Reid International Airport (LAS) generally takes around 1 hour 50 minutes to 2 hours 15 minutes on current schedules. The direct route covers approximately 630 miles (1,014 km).

Travelers have several nonstop choices between the two cities. Frontier Airlines, United Airlines and Southwest Airlines currently operate direct DEN–LAS services, making it possible to reach Las Vegas without changing aircraft.

Connecting journeys are also available, although they add considerably more time. Some of the quicker one-stop routings take approximately 4 hours 10 minutes through Phoenix, 4 hours 24 minutes via Salt Lake City, or 4 hours 50 minutes through Albuquerque.

Because direct flights are widely available on this route, a nonstop service will normally provide the shortest overall trip. Travelers comparing alternatives should consider the complete elapsed time, including any layover, rather than looking only at each individual flight sector.

Usual Nonstop Duration Between Denver and Las Vegas

Most direct Denver-to-Las Vegas flights require about two hours.

Current published schedules range from approximately 1 hour 50 minutes to 2 hours 15 minutes. Southwest separately lists an average flight time of 1 hour 55 minutes between Denver and Las Vegas.

A nonstop journey between Denver International Airport (DEN) and Harry Reid International Airport (LAS) generally takes around 1 hour 50 minutes to 2 hours 15 minutes, depending on the operating flight.

The two airports are separated by approximately 630 miles (1,014 km).

Current nonstop operators on the route are Frontier Airlines, United Airlines and Southwest Airlines. FlightsFrom lists multiple daily departures with all three carriers, although frequencies can vary by travel date.

For passengers primarily interested in reducing journey time, flying directly is normally the simplest option because it avoids the extra waiting time associated with an airport connection.

Travelers taking an indirect flight may connect at Phoenix Sky Harbor International Airport (PHX).

Some DEN–PHX–LAS itineraries take approximately 4 hours 10 minutes overall.

Current route comparisons place Phoenix among the quickest one-stop alternatives between Denver and Las Vegas.

The combined route covers more distance than flying directly, and the connection adds over two hours compared with many nonstop services.

The exact journey time will depend on the airline and the length of the layover in Phoenix, so passengers should compare individual schedules before booking.

Salt Lake City International Airport (SLC) is another possible transfer point on the way to Las Vegas.

Some DEN–SLC–LAS combinations take approximately 4 hours 24 minutes in total. Current route data lists both direct and connecting airline combinations through Salt Lake City, with timings varying by service.

Travelers may also connect through Albuquerque International Sunport (ABQ). Certain DEN–ABQ–LAS itineraries take around 4 hours 50 minutes.

Both options are substantially longer than a nonstop flight, but they may be useful when the available direct departures do not suit a traveler's schedule or fare preference.

Several indirect routings are available in addition to the regular nonstop flights.

Potential transfer points include Phoenix, Salt Lake City, Albuquerque, Ontario, Colorado Springs, Tucson, Long Beach, Santa Ana, Burbank and Los Angeles.

Some representative journey times are:

DEN–PHX–LAS: around 4 hrs 10 mins

DEN–SLC–LAS: around 4 hrs 24 mins

DEN–ABQ–LAS: around 4 hrs 50 mins

DEN–ONT–LAS: around 5 hrs 14 mins

DEN–COS–LAS: around 5 hrs 15 mins

DEN–TUS–LAS: around 5 hrs 20 mins

These timings are examples of published schedules rather than fixed durations for every departure. Layover length, airline combinations and operating times can all change the total journey.

When considering a connecting flight, compare the complete airport-to-airport duration. Two itineraries with similar flying times can differ significantly because of the amount of time spent waiting for the next flight.

Denver to Las Vegas Flight Time by Airport

Departure Airport	Arrival Airport	Route Code	Estimated Flight Time
Denver International Airport (DEN)	Harry Reid International Airport (LAS)	DEN–LAS	Around 1 hr 50 mins–2 hrs 15 mins nonstop
Denver International Airport (DEN)	Harry Reid International Airport (LAS)	DEN–PHX–LAS	Around 4 hrs 10 mins with one stop
Denver International Airport (DEN)	Harry Reid International Airport (LAS)	DEN–SLC–LAS	Around 4 hrs 24 mins with one stop
Denver International Airport (DEN)	Harry Reid International Airport (LAS)	DEN–ABQ–LAS	Around 4 hrs 50 mins with one stop
Denver International Airport (DEN)	Harry Reid International Airport (LAS)	DEN–ONT–LAS	Around 5 hrs 14 mins with one stop
Denver International Airport (DEN)	Harry Reid International Airport (LAS)	DEN–COS–LAS	Around 5 hrs 15 mins with one stop
Denver International Airport (DEN)	Harry Reid International Airport (LAS)	DEN–TUS–LAS	Around 5 hrs 20 mins with one stop

Current schedules show that nonstop flights are considerably faster than the one-stop alternatives, with direct DEN–LAS services taking roughly two hours.These figures should be used as estimates rather than guaranteed travel times. Weather, winds, air-traffic conditions, ground delays and connection lengths can all affect the actual duration.

Nonstop Airlines Flying Between Denver and Las Vegas

United Airlines

Southwest Airlines

Frontier Airlines

How Do the Local Times in Denver and Las Vegas Compare?

Las Vegas is one hour behind Denver.

Denver follows Mountain Time, while Las Vegas uses Pacific Time. During daylight saving time, Denver operates on MDT at UTC−6 and Las Vegas uses PDT at UTC−7, maintaining a one-hour difference.

For example, when it is 3:00 PM in Denver, it is 2:00 PM in Las Vegas.

Both cities generally change their clocks under the same U.S. daylight-saving schedule, so Las Vegas normally remains one hour behind Denver throughout the year.

The time-zone change affects how the journey appears on a ticket. A flight lasting approximately two hours may show an arrival only about one hour later when the local departure and arrival clocks are compared.

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 Denver Flight Times.