$111 Find Cheap Flights from Chicago O'Hare Airport to Las Vegas - Compare and Save

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Las Vegas:

• Earliest: departs at 5:19 am and lands at 9:31 am
• Latest: departs at 11:55 pm and lands at 4:07 am.

The flight takes about 4h 12m.

Four cabin classes are available on flights from Chicago O'Hare Intl Airport to Las Vegas:

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

Prices vary by airline.

A nonstop flight from Chicago O'Hare Intl Airport to Las Vegas takes 4h 12m, covering 1,510 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 O'Hare Intl Airport to Las Vegas range from $219 to $400, with an average of $310 over the past 12 months. Anything below $219 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 29% above the $310 route average. 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 $317 for nonstop.

United Airlines is slightly above the route average for timely arrivals, while Southwest has a lower on-time arrival rate. On-time arrival rates on Chicago O'Hare Intl Airport to Las Vegas flights are:

• United Airlines: 86% on time
• Southwest: 79% on time
• Frontier: 74% on time

Overall, flights on this route are punctual 79% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A321neo family is used most often on this route, operated mainly by United Airlines and Frontier. Other aircraft seen on the route include Boeing 737-800 variants.

Morning is the busiest departure period on Chicago O'Hare Intl Airport to Las Vegas flights, with 39% of flights leaving in that window. Afternoon departures account for 31%, evening flights for 30%, and night flights for 0%.

Two airlines offer in-flight Wi-Fi on Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Las Vegas are currently lower than usual. Average one-way flight prices are about $142, which is 22% 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 O'Hare Intl Airport to Las Vegas usually depart from Chicago O'Hare Intl (ORD) and arrive at Las Vegas Harry Reid Intl (LAS).

Morning flights have the fewest delays on this route, while night departures tend to have the most.

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 O'Hare Intl Airport to Las Vegas route, 20% of flights were delayed in the past 3 months, with delays averaging 2h 43m.

One-stop flights from Chicago O'Hare Intl Airport to Las Vegas most commonly connect through:

• Denver Intl (DEN) - 22% of one-stop connections
• San Diego (SAN) - 21% of one-stop connections
• Los Angeles (LAX) - 20% of one-stop connections
• Minneapolis St Paul (MSP) - 7% of one-stop connections

Yes. Flexible dates can save you up to 20% on flights from Chicago O'Hare Intl Airport to Las Vegas. Monday is the cheapest departure day at $278 round-trip on average, while Friday is the most expensive at $345, a difference of $67.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

3 airlines operate flights between Chicago O'Hare Intl Airport and Las Vegas. The airlines offering nonstop flights on this route include:

• United Airlines
• American Airlines
• Frontier

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 5h 45m, compared with 7h 45m via Minneapolis St Paul (MSP) and 7h 45m via Phoenix Sky Harbor Intl (PHX).

Las Vegas is 2 hours behind Chicago O'Hare Intl Airport (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 O'Hare Intl Airport 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

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 always check the fare details before booking.

Chicago O’Hare International Airport (ORD) operates four terminals. Terminal 5 serves international flights, while Terminals 1, 2 and 3 are reserved for local departures and arrivals. The Terminal Transfer Bus runs every 15 minutes from 11:30 a.m. to 9:30 p.m. on routes between Terminals 1 and 5 and between Terminals 3 and 5. Also, the Airport Transit System connects the domestic and international terminals.

In addition to Las Vegas, nearby destinations include Lake Mead National Recreation Area, Boulder City, Nelson and Primm, all less than an hour's drive from McCarran International Airport (LAS). Moapa Valley, which includes Logandale, is about an hour's drive from Las Vegas.

Airport shuttles are a common, reliable option. Shared rides and rental cars are also available. The McCarran Rent-A-Car Center is about 3 miles south of the airport, and travelers can book rides in advance.

Yes, several car rental agencies operate at Harry Reid International Airport (LAS). The pickup location is off site at the Rent-A-Car Center and most agencies provide complimentary transportation to the rental car garage.

O'Hare International Airport (ORD) offers several accessible services for travelers with disabilities. For hearing-impaired travelers, airlines provide ASL interpretation and audio paging. Family care restrooms are equipped with adult changing tables. Wheelchair assistance must be arranged through the airline.

Yes, Harry Reid International Airport (LAS) has an ADA/Section 504 Coordinator and accessibility accommodations. TDD phones are available for travelers with hearing challenges and airport personnel can provide assistance at taxi pickup areas as needed. Wheelchairs can be used throughout LAS, including in high-traffic areas such as restrooms.

Yes, LAS has a couple of spas for travelers looking to relax after a trip from ORD. XpresSpa is a popular option in Terminal 1, D Concourse, near Gate D32, offering manicures, pedicures, massages and rejuvenation services.

ORD offers a range of parking options, including Terminal 5 Garage and Lot D, as well as daily, hourly, long-term and economy parking. Fees are paid to the cashier when exiting the lots and range from about $3 for hourly parking to about $43 per day for daily parking.