$108 Find Cheap Flights from Chicago to Las Vegas - Compare and Save

These are the earliest and latest flight times available from Chicago to Las Vegas:

• Earliest: departs at 5:10 am and lands at 9:18 am
• Latest: departs at 11:55 pm and lands at 4:03 am.

The flight takes about 4h 08m.

Four cabin classes are available on flights from Chicago to Las Vegas:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Chicago to Las Vegas takes 4h 08m, covering 1,523 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Round-trip flights from Chicago to Las Vegas range from $223 to $402, with an average of $309 over the past 12 months. Anything below $223 counts as a good deal.

Last-minute fares on this route - booked within 2 weeks of departure - run 32% above the route average of $309. Book 12 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $146 round-trip via Fort Lauderdale (FLL), compared to $314 for nonstop.

Allegiant Air is slightly above the route average for timely arrivals, while Spirit Airlines has a lower on-time arrival rate. On-time arrival rates on Chicago to Las Vegas flights are:

• Allegiant Air: 89% on time
• Spirit Airlines: 87% on time
• United Airlines: 86% on time

Overall, flights on this route are on time 80% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $26–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Morning is the busiest departure period on Chicago to Las Vegas flights, with 40% of flights leaving in that window. Afternoon departures account for 30%, evening flights for 25%, and night flights for 5%.

Two airlines offer in-flight Wi-Fi on Chicago to Las Vegas flights:

• American Airlines
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Chicago to Las Vegas are currently lower than usual. Average one-way flight prices are about $129, which is 29% below the typical average for this route.

Las Vegas Harry Reid Intl Airport (LAS) hosts 5 major car rental companies, with daily rates starting from around $8 for economy cars. Top options include:
• Easirent
• Ace
• Fox
• Dollar
• Thrifty

Flights from Chicago to Las Vegas may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD). Flights usually arrive at Las Vegas Harry Reid Intl (LAS).

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago to Las Vegas route, 20% of flights were delayed in the past 3 months, with delays averaging 3 hours 1 minute.

One-stop flights from Chicago to Las Vegas most commonly connect through:

• Chicago O'Hare Intl (ORD) - 46% of one-stop connections
• Denver Intl (DEN) - 11% of one-stop connections
• San Diego (SAN) - 8% of one-stop connections
• Los Angeles (LAX) - 8% of one-stop connections

Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

On the Chicago to Las Vegas route, being flexible with your departure day can save you up to 23%. Sunday is the cheapest day at $273 round-trip on average, while Friday is the most expensive at $354: a $81 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

5 airlines operate flights between Chicago and Las Vegas. The airlines offering nonstop flights on this route include:

• United Airlines
• Southwest
• American Airlines
• Frontier
• Allegiant Air

Flying via Des Moines (DSM) gives the shortest average 1-stop total travel time at 4h 59m, compared with 5h 45m via Salt Lake City (SLC) and 5h 47m via Lambert-St Louis (STL).

Las Vegas is 2 hours behind Chicago (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Las Vegas are Fremont Street Experience, Las Vegas Convention Center and Wynn Las Vegas. These are among the most viewed places in Las Vegas on KAYAK.

Among airlines operating Chicago to Las Vegas flights:

• United Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection
• Frontier: offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class
• Frontier: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Driving between Harry Reid International Airport and downtown Las Vegas takes about 20 minutes when there is no additional traffic.

RTC public bus service connects Harry Reid International Airport with destinations throughout the Las Vegas Valley. Route 108—Paradise and the Red Line stop at Terminal 1, Level Zero.

Yes, several car rental options are available after arrival at LAS. Vehicles are picked up at the McCarran Rent-A-Car Center, located at 7135 Gilespie Street, three miles south of LAS with easy freeway access. Cars can also be reserved in advance for pickup at the collection garage.

Yes, LAS provides special services for passengers with disabilities and mobility limitations. Arrangements for these services can be made in advance with the airline. Wheelchairs are available to help travelers move around the airport and support is also provided for those with social and communication challenges.