Chicago to Las Vegas Flight Time & Schedules

How Long Does a Flight from Chicago to Las Vegas Usually Take?

A nonstop flight from Chicago to Las Vegas generally takes around 6 hours 21 minutes. The exact scheduled duration may vary slightly depending on the airline, aircraft type, weather conditions, air traffic and the selected departure airport.

Direct flights operate from Chicago O’Hare International Airport (ORD) and Chicago Midway International Airport (MDW) to Harry Reid International Airport (LAS) in Las Vegas. The route is one of the busiest domestic connections in the United States, with several airlines offering nonstop services.

Flights with one connection usually take around 7 hrs 47 mins via Atlanta. The overall journey time can increase depending on the length of the connection, airport transfer time and the specific flight schedule.

Travelers should consider both the total journey duration and arrival airport when comparing options, as Chicago has two major commercial airports and Las Vegas is primarily served by Harry Reid International Airport.

Approximate Travel Time Between Chicago and Las Vegas

The quickest way to travel between the two cities is by taking a nonstop flight. Direct Chicago–Las Vegas services generally take approximately 6 hours 21 minutes.

Flight times can vary slightly because of wind direction, weather patterns, air traffic levels and the route followed by the aircraft. Connecting flights take longer, with common one-stop options requiring around 7 hrs 47 mins via Atlanta.

The main airport route for Chicago to Las Vegas is:

Chicago O’Hare International Airport (ORD) → Harry Reid International Airport (LAS)

Nonstop flights from Chicago O’Hare to Las Vegas generally take around 6 hours 21 minutes.

Harry Reid International Airport is the primary airport serving Las Vegas and the surrounding Nevada region. It is located close to the Las Vegas Strip, making it the preferred arrival airport for most visitors travelling to the city.

Travelers can also depart from Chicago Midway International Airport (MDW) for flights to Las Vegas.

The MDW–LAS route also operates as a nonstop service, with scheduled flight times of approximately 6 hours 21 minutes.

Midway can be a convenient option for passengers located closer to central and southern areas of Chicago, while O’Hare generally offers a wider selection of airlines and flight schedules.

Passengers who do not choose a nonstop service can travel through connecting airports. One common connecting option is via Atlanta, with a total journey time of approximately 7 hrs 47 mins.

Connecting flight durations depend on the airport used for the stop, the waiting time between flights and the airline’s schedule. Longer layovers can make the total journey considerably longer than the nonstop option.

Chicago to Las Vegas Travel Time by Arrival Airport

Arrival Airport	Route Code	Estimated Flight Time
Harry Reid International Airport	ORD–LAS / MDW–LAS	Around 6 hrs 21 mins nonstop
Las Vegas via Atlanta	Chicago–ATL–LAS	Around 7 hrs 47 mins with one stop

These timings are approximate and may vary depending on the airline, aircraft, weather conditions, air traffic and connection time.

Airlines Serving Chicago to Las Vegas Flights

American Airlines

Frontier Airlines

Southwest Airlines

Spirit Airlines

United Airlines

Time Difference Between Chicago and Las Vegas

Las Vegas is two hours behind Chicago throughout most of the year. Chicago follows Central Time, while Las Vegas follows Pacific Time.

For example, when it is 8:00 AM in Chicago, it is usually 6:00 AM in Las Vegas.

Both cities observe daylight saving time, although travelers should still check local times when booking flights, as departure and arrival schedules are displayed according to each airport’s local time zone.

The time difference can affect arrival times, especially on evening flights, as passengers move to an earlier time zone after landing in Las Vegas.

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 Chicago Flight Times.