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

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The best prices from Chicago to Las Vegas Harry Reid Intl are usually found in August or January, booked 13 days in advance, depart on a Tuesday or Monday and return on a Friday

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
$106 - $228
LAS
Temperature
48.2 - 93.2 °F
LAS
Precipitation
0.1 - 0.8 inches

Popular in

December

High demand for flights, 20% potential price rise

Cheapest in

August

Best time to find cheap flights, 42% potential price drop

Round-trip from

$106

From Chicago (CHI) to Las Vegas Harry Reid Intl

One-way from

$33

One-way flight from Chicago (CHI) to Las Vegas Harry Reid Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
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 23% on flights from Chicago to Las Vegas by exploring options for tickets in the afternoon.

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

Travelers have found it’s best to book a flight 13 days in advance to save up to 1% 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 13 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 $170, or $174 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 August. Prices to Las Vegas from Chicago average $182. You can even find prices in August for less than $182, as users have found deals to Las Vegas from as low as $60. The month of December 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 25%.

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 56%.

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

The best prices found for CHI to LAS flights for January, February
30 Jan - 3 Feb
$63pp
RFD
Chicago Greater Rockford
Allegiant Air
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Allegiant Air
Non-Stop
RFD
Chicago Greater Rockford
23 Jan - 25 Jan
$64pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
30 Jan - 4 Feb
$65pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

Chicago to Las Vegas 2022 flight deals

Cheap flights to Las Vegas from Chicago found for this year
30 Jan - 3 Feb
$63pp
RFD
Chicago Greater Rockford
Allegiant Air
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Allegiant Air
Non-Stop
RFD
Chicago Greater Rockford
23 Jan - 25 Jan
$64pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
30 Jan - 4 Feb
$65pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

Non-stop flights to Las Vegas from Chicago

Save time with Chicago to Las Vegas direct flight deals
30 Jan - 3 Feb
$63pp
RFD
Chicago Greater Rockford
Allegiant Air
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Allegiant Air
Non-Stop
RFD
Chicago Greater Rockford
1 Feb - 7 Feb
$64pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
30 Jan - 4 Feb
$65pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Chicago to Las Vegas

Late deals on round-trip flights to Las Vegas from Chicago, departing today and this week
23 Jan - 25 Jan
$64pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
25 Jan - 25 Jan
$68pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
25 Jan - 27 Jan
$72pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

One-way flights to Harry Reid Intl from Chicago

The cheapest one-way flights from Chicago to Las Vegas
4:18 pm - 6:07 pm
Allegiant Air
Nonstop
3h 49m
RFD - LAS
Allegiant Air
$33
mytrip.com
12:15 am - 6:00 pm
Spirit Airlines
1 Stop
19h 45m
ORD - LAS
Spirit Airlines
$61
FareScan
4:55 pm - 7:18 pm
Frontier
Nonstop
4h 23m
ORD - LAS
Frontier
$62
JustFly

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Chicago</span> to <span class="emphasized">Las Vegas</span> flights.

Flight FAQs

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. 10 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 40 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 Allegiant Air for just $63, but on average you can expect to pay $71.

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 $71.

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

Allegiant Air, at $63, was found to be the cheapest airline from Chicago to Las Vegas.Alternate airlines to your destination round-trip include Frontier and Spirit Airlines. Allegiant Air is currently priced 65% 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 $30. Spirit Airlines flights start at $31 while deals on Frontier start at $33 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 Major Airline, American Airlines or Alaska Airlines when booking your flight. These represent the most popular airlines when flying from Chicago to Las Vegas.

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 $580, our data indicates the cheapest price to be $16. The most popular route (Chicago O'Hare Intl - Las Vegas Harry Reid Intl), is priced around $65.

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: British Airways (87%), SWISS (86%), LOT (85%).

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.

COVID Restrictions

View COVID Travel Restrictions for Las Vegas, NV

Do I need a COVID test to fly to Las Vegas from Chicago?

Information is based on travel restrictions for travel to Las Vegas Harry Reid Intl within the United States

Most visitors from Chicago need to provide a negative COVID-19 test result and/or quarantine to enter Las Vegas Harry Reid Intl.

COVID-19 testing requirements
Visitors from Chicago must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Las Vegas Harry Reid Intl.

Quarantine requirements
Visitors from Chicago are not required to quarantine after entering Las Vegas Harry Reid Intl.

Do I need a test to fly back to Chicago from Las Vegas?

Returning to Chicago from Las Vegas Harry Reid Intl

COVID-19 testing requirements
Visitors from Las Vegas Harry Reid Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Chicago.

Quarantine requirements
Visitors from Las Vegas Harry Reid Intl are not required to quarantine after entering Chicago.

Hide COVID Travel Restrictions for Las Vegas, NV

Alternative routes for Chicago to Las Vegas

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

Destination information for Las Vegas

Things to know before you go - useful duration and weather info for your trip from Chicago to Las Vegas.
Flight duration from Chicago to LAS
3h 47m
Average temperature for January in Las Vegas
59.0 °F
Avg rainfall for January in Las Vegas
0.6 ″

Airports servicing Chicago

Midway (MDW)
Rockford (RFD)

Airports servicing Las Vegas

Top 9 airlines flying from Chicago to Las Vegas Harry Reid Intl

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.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$57 $187 No cancel fee 62%
United Airlines
$59 $363 No cancel fee 69%
American Airlines
$64 $276 No cancel fee 71%
Spirit Airlines
$77 $229 No cancel fee 65%
Sun Country Air
$107 $218 No cancel fee 83%
Delta
$112 $347 No cancel fee N/A
Allegiant Air
$148 $264 No cancel fee 88%
Alaska Airlines
$361 $657 No cancel fee 75%
Southwest
$369 $627 No cancel fee 63%

Hourly flight availability from Chicago to Las Vegas

See what time of day planes typically take off from Chicago towards Las Vegas.
Afternoon Noon to 6 PM 53% of CHI to LAS departures
Morning 6 AM to noon 34% of CHI to LAS departures
Evening 6 PM to midnight 12% of CHI to LAS departures
Early morning Midnight to 6 AM 1% of CHI to LAS departures
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.
Sunday
49 daily flights
Monday
42 daily flights
Tuesday
40 daily flights
Wednesday
36 daily flights
Thursday
45 daily flights
Friday
52 daily flights
Saturday
20 daily flights
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