$51+ Cheap flights from Chicago (CHI) to Las Vegas (LAS)

Whether you fly from Chicago's O'Hare International Airport or Midway International Airport, a direct flights keeps you in the air for about three and a half hours.

Spirit, United, American, Frontier and Southwest each offer direct flights from particular Chicago-area airports to Las Vegas. Delta offers non-direct flights, but even their one-stop routes add at least one and a half hours to the trip.

With more than 100 flights a week between the two cities, you won't have any trouble finding a flight at almost any time of day. The cheapest flights typically depart early in the morning or late in the evening.

McCarran International Airport and North Las Vegas Airport serve Las Vegas, although the latter provides only general aviation and limited regional service. O'Hare International Airport and Midway Airport serve the Chicago area.

Get the cheapest ticket when you depart from Chicago for Las Vegas from O'Hare International Airport. Booking a return flight on a Saturday typically results in the greatest savings on this route.

Flights to Las Vegas from Chicago fly out of two different airports in the city, both Chicago O’Hare International Airport (ORD) and Chicago Midway International Airport (MDW). Flights from these two Chicago airports fly into Las Vegas McCarran International Airport (LAS) and take around 4 hours for direct flights. It is generally a better choice to fly out of Chicago O’Hare International Airport, since there are more options to choose from and most of the flights are direct. On the other hand, most of the routes out of Chicago Midway International Airport have one layover or more before arriving at Las Vegas McCarren International Airport.

There are several airlines that offer direct flights from Chicago to Las Vegas. Most of the flights from Chicago O’Hare Airport are direct, so there are several airlines that make the route without any stops in between, such as Spirit Airlines, United Airlines, American Airlines and Southwest Airlines. The trip takes around four hours to get to Las Vegas McCarren International Airport. As for flights out of Chicago Midway International Airport, the only direct flights are with Southwest Airlines. These flights, without layovers, also take around 4 hours.

If you’re looking for cheaper flights from Chicago to Las Vegas, flying with a layover tends to be more affordable when flying out of Chicago O’Hare. However, most flight options out of Chicago O’Hare International Airport are direct, so you may not even need to have a stopover to find affordable tickets. As for Chicago Midway International Airport, this location offers a larger selection of flights that make this route with one layover. These layovers tend to be at either Minneapolis-Saint Paul International Airport (MSP) or Detroit Metropolitan Wayne County Airport (DTW), and the additional stops will add anywhere from 30 minutes to 3h 45min to your trip.

Some form of government-approved identification is required to fly between Chicago and Las Vegas. A passport is a valid form of identification, though not necessary if you have a United States driver’s license or another state photo identity card issued by the Department of Motor Vehicles. However, soon a normal driver’s license without a Real ID star will not be permitted as a valid form of ID to board flights. The Real ID compliant card can be obtained at your local department of motor vehicles. As for visas, it is not necessary for US citizens to obtain a visa to fly from Chicago to Las Vegas.

Las Vegas Harry Reid Intl (LAS), located 6.2 mi from the city center, is the airport you fly into when you book flights from Chicago to Las Vegas. 9 airlines have flights to Harry Reid Intl from Chicago on a regular basis. Booking flights from Chicago to Las Vegas Harry Reid Intl should not be difficult; the airport handles an average of 29 inbound flights from Chicago per day.

Spirit Airlines, at $114, was found to be the cheapest airline from Chicago to Las Vegas.Alternate airlines to your destination round-trip include Allegiant Air and American Airlines. Spirit Airlines is currently priced 55% below the average price you’ll pay for this route.

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $51. Allegiant Air flights start at $57 while deals on American Airlines start at $73 one-way.

When deciding which route to take from Chicago to Las Vegas consider Chicago O'Hare Intl - Las Vegas Harry Reid Intl, Chicago Midway - Las Vegas Harry Reid Intl or Chicago Greater Rockford - Las Vegas Harry Reid Intl as they are the most popular.

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Las Vegas on time: Southwest (87%), Austrian Airlines (85%), Air Canada (83%).

Looking for the cheapest flight from Chicago to Las Vegas? While on average our users pay $712, our data indicates the cheapest price to be $50. The most popular route (Chicago O'Hare Intl - Las Vegas Harry Reid Intl), is priced around $78.

Chicago to Las Vegas flights have a layover in Dallas most often.

Most Dallas visitors opt to spend their time experiencing American Airlines Center, Dos Equis Pavilion, and Majestic Theatre. Those on a layover in Dallas interested in visiting American Airlines Center, Dos Equis Pavilion, or Majestic Theatre can do so by traveling 15.0 mi, 18.3 mi, and 16.1 mi, respectively from Dallas/Fort Worth. Those on a layover in Dallas in need of a rental car can book one at Dallas/Fort Worth for about $50.

Chicago to Las Vegas flights have a layover in Denver the least frequently.

Yes. In addition to deals on Chicago to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Las Vegas.

Yes. Cheapflights offers flight deals from Chicago to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, August is the cheapest month in which you can book a flight from Chicago to Las Vegas (average of $198). Flying from Chicago to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

If you are planning on making a trip to Las Vegas from Chicago and you want to utilize sustainable travel methods, airlines such as Alaska Airlines, American Airlines, Delta Airlines, and United Airlines all make great eco-friendly choices as airlines to make this trip. Alaska Airlines has retrofitted the winglets on all of their 737 models to reduce their fuel usage by 34,000 gallons per plane every year. Delta Airlines has made a commitment to reducing the use of single-use plastics and instead uses compostable stirrers and removed the wrappers from things like cutlery and amenity kits. United Airlines has made a multi-million dollar investment in carbon capture and sequestration technology to help reduce their net greenhouse gas emissions.

When you are making your plan to get from your home in Chicago to one of the major airports in Chicago, think about traveling on the CTA Blue Line to Chicago O' Hare International Airport (ORD) or the CTA Orange Line to Chicago Midway (MDW) as this is one of the most fuel-efficient methods of getting to the airport from your home. Once you arrive in Las Vegas consider taking one of the many bus routes that offer service from the airport to many destinations throughout the valley of Las Vegas. No matter where you plan on staying during your trip to Las Vegas think of that place much in the same way you think of your home. What that means is setting the thermostat to a very eco-friendly level no matter what time of year you are there, keeping lights and televisions turned off when not in use or when you are leaving, and reusing things like towels instead of washing them on a daily basis.