Cheap flights from Chicago (CHI) to Las Vegas (LAS)

CHI — LAS
Dec 6 — Dec 134

The best prices from Chicago to Las Vegas Harry Reid Intl are usually found in January or February, booked 58 days in advance, depart on a Tuesday or Saturday and return on a Saturday

How to find the cheapest flight from Chicago (CHI) to Las Vegas (LAS)

All the information you need to plan the best CHI to LAS flight in 2022: compare Chicago to Las Vegas flight prices with the expected peak season, weather and rainfall in Las Vegas.

CHI - LAS

Price

$161 - $358

LAS

Temperature

48.2 - 93.2 °F

LAS

Rainfall

0.1 - 0.8 inches

Popular inJuneHigh demand for flights, 26% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 39% potential price drop
Round-trip from$161From Chicago (CHI) to Las Vegas Harry Reid Intl
One-way from$54One-way flight from Chicago (CHI) to Las Vegas Harry Reid Intl

What is the cheapest day to fly round-trip from Chicago to Las Vegas?

Monday is generally a great day to depart. Flying on this day could help you save up to 38%.

How far in advance should I book a flight from Chicago to Las Vegas?

Travelers have found it’s best to book a flight 47 days in advance to save up to 31% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 47 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Chicago to Las Vegas 1-2 weeks in advance for as low as $300, or $362 for flights within the next 24 hours.

What is the cheapest month to fly from Chicago to Las Vegas?

The best pricing can be found in the month of January. Prices to Las Vegas from Chicago average $266. You can even find prices in January for less than $266, as users have found deals to Las Vegas from as low as $96. The month of June appears to be one of the more expensive times to travel to Las Vegas from Chicago. Flying in the targeted month can save you up to 34%.

When is the cheapest time to fly from Chicago to Las Vegas (CHI - LAS)?

Unlike at noon, when flights are generally more expensive, you can save up to 13% on flights from Chicago to Las Vegas by exploring options for tickets in the evening.

Cheap flights from Chicago to Las Vegas in December, January 2022

The best prices found for CHI to LAS flights for December, January
Dec 6 - Dec 13
ORD

Chicago O'Hare Intl

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 16m
LAS

Las Vegas Harry Reid Intl

ORD

Chicago O'Hare Intl

Nonstop

3h 42m
$55

Frontier

Pick Dates

Deal found 11/28

Dec 6 - Dec 13
ORD

Chicago O'Hare Intl

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 16m
LAS

Las Vegas Harry Reid Intl

ORD

Chicago O'Hare Intl

Nonstop

3h 42m
$60

Frontier

Pick Dates

Deal found 11/30

Dec 7 - Dec 13
MDW

Chicago Midway

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 05m
LAS

Las Vegas Harry Reid Intl

MDW

Chicago Midway

Nonstop

3h 38m
$60

Frontier

Pick Dates

Deal found 11/30

Chicago to Las Vegas 2022 flight deals

Cheap flights to Las Vegas from Chicago found for this year
Dec 6 - Dec 13
ORD

Chicago O'Hare Intl

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 16m
LAS

Las Vegas Harry Reid Intl

ORD

Chicago O'Hare Intl

Nonstop

3h 42m
$55

Frontier

Pick Dates

Deal found 11/28

Dec 6 - Dec 13
ORD

Chicago O'Hare Intl

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 16m
LAS

Las Vegas Harry Reid Intl

ORD

Chicago O'Hare Intl

Nonstop

3h 42m
$60

Frontier

Pick Dates

Deal found 11/30

Dec 7 - Dec 13
MDW

Chicago Midway

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 05m
LAS

Las Vegas Harry Reid Intl

MDW

Chicago Midway

Nonstop

3h 38m
$60

Frontier

Pick Dates

Deal found 11/30

Cheap Allegiant Air flights from Chicago to Las Vegas

Jan 5 - Jan 8
RFD

Chicago Greater Rockford

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 49m
LAS

Las Vegas Harry Reid Intl

RFD

Chicago Greater Rockford

Nonstop

3h 23m
$75

Allegiant Air

Pick Dates

Deal found 11/28

Jan 5 - Jan 8
RFD

Chicago Greater Rockford

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 49m
LAS

Las Vegas Harry Reid Intl

RFD

Chicago Greater Rockford

Nonstop

3h 23m
$76

Allegiant Air

Pick Dates

Deal found 11/28

Jan 5 - Jan 8
RFD

Chicago Greater Rockford

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 49m
LAS

Las Vegas Harry Reid Intl

RFD

Chicago Greater Rockford

Nonstop

3h 23m
$84

Allegiant Air

Pick Dates

Deal found 11/29

  • Allegiant Air is one of the most popular airlines used for those traveling from Chicago to Las Vegas. Flights from Allegiant Air traveling this route typically cost $627.39 RT. This price is typically 12% cheaper than other airlines that offer Chicago to Las Vegas flights. When booking this route, the cheapest RT price found was $369. The most popular departure airport in Chicago when flying to Las Vegas is Chicago O'Hare Intl Airport. The most popular airport to fly into when visiting Las Vegas is Las Vegas Harry Reid Intl Airport. When flying from Chicago to Las Vegas, Allegiant Air flights are 17% more popular than any other airline flying that same route.

Cheap Frontier flights from Chicago to Las Vegas

Dec 6 - Dec 13
ORD

Chicago O'Hare Intl

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 16m
LAS

Las Vegas Harry Reid Intl

ORD

Chicago O'Hare Intl

Nonstop

3h 42m
$55

Frontier

Pick Dates

Deal found 11/28

Dec 7 - Dec 13
MDW

Chicago Midway

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 05m
LAS

Las Vegas Harry Reid Intl

MDW

Chicago Midway

Nonstop

3h 38m
$60

Frontier

Pick Dates

Deal found 11/30

Dec 10 - Dec 13
ORD

Chicago O'Hare Intl

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 13m
LAS

Las Vegas Harry Reid Intl

ORD

Chicago O'Hare Intl

Nonstop

3h 42m
$65

Frontier

Pick Dates

Deal found 11/30

  • One of the most popular airlines traveling from Chicago to Las Vegas is Frontier. Flights from Frontier traveling this route typically cost $389.20 RT. This price is typically 14% cheaper than other airlines that offer Chicago to Las Vegas flights. When booking this route, the cheapest RT price found was $157. Chicago O'Hare Intl Airport is the most common Chicago airport to take off from when flying to Las Vegas. Las Vegas Harry Reid Intl Airport is the most popular arrival airport in Las Vegas. When flying from Chicago to Las Vegas, Frontier flights are 15% more popular than any other airline flying that same route.

Non-stop flights to Las Vegas from Chicago

Save time with Chicago to Las Vegas direct flight deals
Jan 17 - Jan 18
MDW

Chicago Midway

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 07m
LAS

Las Vegas Harry Reid Intl

MDW

Chicago Midway

Nonstop

3h 29m
$60

Frontier

Pick Dates

Deal found 11/30

Jan 28 - Feb 1
MDW

Chicago Midway

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 07m
LAS

Las Vegas Harry Reid Intl

MDW

Chicago Midway

Nonstop

3h 29m
$65

Frontier

Pick Dates

Deal found 11/29

Jan 10 - Jan 14
MDW

Chicago Midway

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 07m
LAS

Las Vegas Harry Reid Intl

MDW

Chicago Midway

Nonstop

3h 29m
$67

Frontier

Pick Dates

Deal found 11/30

Last minute flights from Chicago to Las Vegas

Late deals on return flights to Las Vegas from Chicago, departing today and this week
Dec 6 - Dec 13
ORD

Chicago O'Hare Intl

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 16m
LAS

Las Vegas Harry Reid Intl

ORD

Chicago O'Hare Intl

Nonstop

3h 42m
$55

Frontier

Pick Dates

Deal found 11/28

Dec 6 - Dec 13
ORD

Chicago O'Hare Intl

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 16m
LAS

Las Vegas Harry Reid Intl

ORD

Chicago O'Hare Intl

Nonstop

3h 42m
$60

Frontier

Pick Dates

Deal found 11/30

Dec 7 - Dec 13
MDW

Chicago Midway

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 05m
LAS

Las Vegas Harry Reid Intl

MDW

Chicago Midway

Nonstop

3h 38m
$60

Frontier

Pick Dates

Deal found 11/30

One-way flights to Las Vegas from Chicago

The cheapest one-way flights from Chicago to Las Vegas
Dec 12
RFD

Chicago Greater Rockford

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 49m
$29

Allegiant Air

Pick Dates

Deal found 11/30

Dec 6
ORD

Chicago O'Hare Intl

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 16m
$31

Frontier

Pick Dates

Deal found 11/28

Dec 10
MDW

Chicago Midway

LAS

Las Vegas Harry Reid Intl

Nonstop

4h 05m
$31

Frontier

Pick Dates

Deal found 11/29

Related info for your journey

Useful info, stats and facts about Chicago to Las Vegas flights.

One of the best things about flying to Sin City is that flights to this highly popular destination are really cheap, leaving you to spend your hard-earned cash on gambling and a wide variety of other entertainment options. Hotels offer some great deals as well, and you probably won't even need to rent a car, with most everything you want to see and do all close together. There are plenty of other transportation options, such as taxis, buses, your own two feet and free shuttles provided by area hotels. You may even get lucky at the slot machines or tables and pay for your trip.

How long is the flight from Chicago to Las Vegas?

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.

Which airlines operate flights from Chicago to Las Vegas?

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.

How frequent are flights between Chicago and Las Vegas?

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.

Which airports serve Chicago to Las Vegas?

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.

Which direct flight route between Chicago and Las Vegas is cheapest?

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. Winter is a great time to escape Chicago for some fun in Lost Wages, especially if you don't like being cooped up indoors. This trip lets you escape the cold, blustery weather and enjoy the mild, dry Las Vegas weather while strolling along the Strip. But even during summer, Las Vegas is quite comfortable - it's a dry heat, and mornings and evenings are pleasant. Then of course there are all those spectacular world-class casinos in Las Vegas, where you don't have to drive miles only to find crowded tables and lousy odds on a riverboat. To find the cheapest flight available from Chicago to Vegas, try our smart search engine.

How busy are the airports in Chicago and Las Vegas?

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.

Which airlines fly directly from Chicago to Las Vegas?

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.

What are the stopover options between Chicago and Las Vegas?

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.

Do I need a passport or visa to fly from Chicago to Las Vegas?

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.

What airport do you fly into for flights to Las Vegas from Chicago?

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. 12 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 43 inbound flights from Chicago per day.

Which airlines flying from Chicago to Las Vegas Harry Reid Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Spirit Airlines, United Airlines, and American Airlines flying from Chicago to Las Vegas Harry Reid Intl have implemented new flexible cancellation policies.

Can I find flights from Chicago to Las Vegas for under $100 on Cheapflights?

Yes, there are multiple flights from Chicago to Las Vegas for under $100. The cheapest flight booked recently is on Frontier for just $60, but on average you can expect to pay $73.

Are there nonstop flights from Chicago to Las Vegas for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago to Las Vegas under $100. A good price for a nonstop flight from Chicago to Las Vegas is less than $73.

Are there last-minute flights available from Chicago to Las Vegas for under $100?

There are currently 20+ open flights from Chicago to Las Vegas within the next 7 days for less than $100.

What days are nonstop flights available from Chicago to Las Vegas?

Days when nonstop flights are available for this flight are: Monday, Thursday, Friday.

How many flights depart from Chicago to Las Vegas on average per day?

On average, you can expect to see 11 flights from Chicago to Las Vegas a day.
Afternoon (Noon - 6pm) - 64% of flight departures
Evening (6pm - Midnight) - 36% of flight departures

How long is the flight from Chicago to Las Vegas?

There are many flights that can get you from Chicago to Las Vegas in 3h 49m. Fly via Frontier, Allegiant Air, or Spirit Airlines to get the fastest option. The distance between Chicago and Las Vegas is about 1519 mi. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from Chicago to Las Vegas round-trip?

Frontier, at $60, was found to be the cheapest airline from Chicago to Las Vegas.Alternate airlines to your destination round-trip include Allegiant Air and Spirit Airlines. Frontier is currently priced 77% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Chicago to Las Vegas one-way?

To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $29. Frontier flights start at $31 while deals on Spirit Airlines start at $44 one-way.

What are the most popular routes from Chicago to Las Vegas?

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.

What are the most popular airlines that fly from Chicago to Las Vegas?

Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Chicago to Las Vegas.

What are the most reliable airlines from Chicago to Las Vegas?

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: SWISS (91%), Azul (90%), Aer Lingus (90%).

What are the cheapest flights from Chicago to Las Vegas?

Looking for the cheapest flight from Chicago to Las Vegas? While on average our users pay $589, our data indicates the cheapest price to be $62. The most popular route (Chicago O'Hare Intl - Las Vegas Harry Reid Intl), is priced around $74.

What are the most eco-friendly airlines from Chicago to Las Vegas?

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.

How can I fly more sustainably from Chicago to Las Vegas?

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.

Alternative routes for Chicago to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Chicago to Las Vegas

The chart below displays the airlines Cheapflights users traveling from Chicago to Las Vegas choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$11Average$23FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$78Average$227FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
Spirit AirlinesCheapest$95Average$265FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
Allegiant AirCheapest$136Average$282FlexibilityNo cancel feeOn-time88%COVID-19 safety
Search Allegiant Air flights
DeltaCheapest$141Average$472FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$157Average$389FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
Sun Country AirCheapest$170Average$308FlexibilityNo cancel feeOn-time83%COVID-19 safety
Search Sun Country Air flights
American AirlinesCheapest$177Average$448FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Alaska AirlinesCheapest$316Average$534FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights

Hourly flight availability from Chicago to Las Vegas

See what time of day planes typically take off from Chicago to Las Vegas
5%of flight departuresEarly morningMidnight to 6 am
30%of flight departuresMorning6 am to noon
37%of flight departuresAfternoonNoon to 6 pm
28%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Chicago to Las Vegas

See how many times per day planes take to the skies headed from Chicago to Las Vegas
Sunday45daily flights
Monday45daily flights
Tuesday52daily flights
Wednesday52daily flights
Thursday43daily flights
Friday44daily flights
Saturday20daily flights