Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Chicago to Las Vegas
The cheapest flights right now
Chicago – Las Vegas
Outbound – Dec 5, 2026
direct
4h 15m Return – Dec 12, 2026
direct
3h 46m $169
2 days ago
Chicago – Las Vegas
Outbound – Dec 3, 2026
direct
4h 13m Return – Dec 10, 2026
direct
3h 46m $175
2 days ago
Chicago – Las Vegas
Outbound – Nov 17, 2026
direct
4h 21m Return – Nov 24, 2026
direct
3h 12m $190
3 days ago
Chicago – Las Vegas
Outbound – Nov 17, 2026
direct
4h 21m Return – Nov 25, 2026
direct
3h 44m $200
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$67
Average price of a round trip
$223
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
4h11
A flight from Chicago to Las Vegas takes on average 4h11.
Best time
December
According to user searches, the ideal month to go to Las Vegas is December.
What is the cheapest month for this flight?
Monthly price data (Table View)
October
Oct
$194
November
Nov
$151
December
Dec
$238
January
Jan
$139
February
Feb
$194
March
Mar
$0
April
Apr
$168
May
May
$123
June
Jun
$167
July
Jul
$163
August
Aug
$173
September
Sep
$118
* The prices shown are an average per month of the prices found by Liligo users during the last 30 days.
The best flight deals for a week
Chicago – Las Vegas
Outbound – Dec 1, 2026
direct
4h 10m Return – Dec 8, 2026
direct
3h 25m $306
today
Chicago – Las Vegas
Outbound – Nov 30, 2026
direct
4h 12m Return – Dec 8, 2026
direct
3h 46m $239
today
Chicago – Las Vegas
Outbound – Dec 1, 2026
direct
4h 10m Return – Dec 7, 2026
direct
3h 20m $250
today
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Chicago to Las Vegas
Check out our tips for booking your flight to Las Vegas (USA) from Chicago (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is August, with an average flight ticket price of $114 (calculation over the last two years). The most touristic season corresponds to the months of July, November and October.
For the cheapest flights, it is advisable to buy your ticket at least 20 days before the departure date.
The airline offering the cheapest flight tickets is Frontier Airlines. A ticket from the airline Frontier Airlines to Las Vegas costs on average $223.
The airlines that offer the most flights are Frontier Airlines, Southwest Airlines and Frontier Airlines.
Price of flight tickets from Chicago to Las Vegas
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $67 to $351
- The average price of a flight ticket is about $223
- Prices are lowest for stays in the month of August
- The month in which booking a ticket is cheaper is: October
info departure city :
Chicago, USA
airports :
Chicago-Merrill C. Meigs Field Airport (CGX)
Chicago FSS (CHI)
Chicago-Midway International Airport (MDW)
Chicago-O'Hare International Airport (ORD)
local time :
Chicago is a city in the country USA, the time zone is [[timezone]]. In Chicago, it is currently {fromLocalTime}, the temperature is on average 14°C, with a minimum of 10°C and a maximum of 20°C.
The city of Chicago (CHI) has 4 airport(s): Chicago-Merrill C. Meigs Field, Chicago FSS, Chicago-Midway and Chicago-O'Hare
destination info :
Las Vegas, USA
airports :
Las Vegas-McCarran International Airport (LAS)
North Las Vegas Airport (VGT)
Henderson Executive Airport (HSH)
Nellis AFB Air Force Base (LSV)
local time :
Las Vegas is in the country USA, the time zone is [[timezone]]. In Las Vegas, it is currently {toLocalTime}, the temperature is on average 21°C, with a minimum of 15°C and a maximum of 25°C.
The city of Las Vegas (LAS) has 4 airport(s): Las Vegas-McCarran, North Las Vegas, Henderson Executive and Nellis AFB
Useful info about Las Vegas
What is the least touristic period to go to Las Vegas?
If you want to visit Las Vegas during the least touristic period, choose the month of December.
What is the most popular time to travel to Las Vegas?
In Las Vegas, the most popular month is July. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Chicago to Las Vegas?
According to our data, it is recommended to book your flight 20 days before your departure. If you book your flight ticket 3 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Chicago to Las Vegas is Tuesday.
What are the arrival and destination airports when traveling between Chicago and Las Vegas?
When you leave, you can leave from Chicago-Midway or Chicago-O'Hare, and you will arrive at Las Vegas-McCarran.
How to reach Chicago airport from the city centre?
The airport Chicago-Merrill C. Meigs Field is located 4 km, Chicago FSS is located 29 km, Chicago-Midway is located 12 km or Chicago-O'Hare is located 29 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Chicago to Las Vegas?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Chicago and Las Vegas?
In summer, the average temperature is 32°C in Las Vegas and 22°C in Chicago. The average rainfall in summer is 9 mm in Las Vegas and 145 mm in Chicago. In summer, it is warmer in Las Vegas and it rains less in Las Vegas. In winter, it is colder in Las Vegas and it rains more in Chicago.
