Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Las Vegas from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Las Vegas departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:18 pm - 11:01 pm
ORD
-
LAS
10h 43m1 stop
Multiple Airlines Logo
2:38 pm - 8:29 pm
LAS
-
ORD
3h 51mnonstop
$127Multiple Airlines
Tue, Jan 20 - Fri, Jan 23
Frontier Logo
9:38 pm - 11:59 pm
ORD
-
LAS
4h 21mnonstop
Frontier Logo
12:50 pm - 6:31 pm
LAS
-
ORD
27h 41m1 stop
$128Frontier
Sun, Feb 1 - Wed, Feb 4
Frontier Logo
11:51 am - 2:11 pm
ORD
-
LAS
4h 20mnonstop
Frontier Logo
3:11 pm - 9:03 pm
LAS
-
ORD
3h 52mnonstop
$129Frontier
Thu, Feb 12 - Thu, Feb 19
Multiple Airlines Logo
10:49 pm - 12:58 am
ORD
-
LAS
4h 09mnonstop
Multiple Airlines Logo
1:01 am - 8:18 am
LAS
-
ORD
29h 17m2 stops
$130Multiple Airlines
Sun, Jan 4 - Mon, Jan 19
Multiple Airlines Logo
10:49 pm - 12:58 am
ORD
-
LAS
4h 09mnonstop
Multiple Airlines Logo
1:01 am - 2:17 pm
LAS
-
ORD
11h 16m1 stop
$131Multiple Airlines
Sun, Jan 4 - Sun, Jan 11
Frontier Logo
9:38 pm - 11:59 pm
ORD
-
LAS
4h 21mnonstop
Frontier Logo
10:59 am - 9:45 pm
LAS
-
ORD
8h 46m1 stop
$132Frontier
Fri, Jan 30 - Fri, Feb 6
Spirit Airlines Logo
8:53 pm - 10:54 pm
ORD
-
LAS
4h 01mnonstop
Spirit Airlines Logo
11:59 pm - 5:31 am
LAS
-
ORD
3h 32mnonstop
$135Spirit Airlines
Wed, Apr 22 - Fri, Apr 24
Spirit Airlines Logo
8:53 pm - 10:54 pm
ORD
-
LAS
4h 01mnonstop
Spirit Airlines Logo
11:59 pm - 5:31 am
LAS
-
ORD
3h 32mnonstop
$136Spirit Airlines
Thu, May 7 - Tue, May 12
Allegiant Air Logo
12:15 pm - 1:56 pm
RFD
-
LAS
3h 41mnonstop
Allegiant Air Logo
7:10 am - 12:34 pm
LAS
-
RFD
3h 24mnonstop
$151Allegiant Air
Sat, Jan 3 - Thu, Jan 8
Allegiant Air Logo
12:41 pm - 2:42 pm
RFD
-
LAS
4h 01mnonstop
Allegiant Air Logo
6:30 am - 11:51 am
LAS
-
RFD
3h 21mnonstop
$157Allegiant Air
Sun, Feb 15 - Thu, Feb 19

Frontier flights from Chicago to Las Vegas

Our best Frontier deals on Chicago to Las Vegas flight tickets
Frontier
Feb 1
ORD9:38 pmChicago O'Hare Intl
4h 21m
LAS11:59 pmLas Vegas Harry Reid Intl
Feb 10
LAS11:58 pmLas Vegas Harry Reid Intl
8h 53m
1 stop
ORD10:51 amChicago O'Hare Intl
$128
Find similar
Frontier
Feb 12
ORD11:51 amChicago O'Hare Intl
4h 20m
LAS2:11 pmLas Vegas Harry Reid Intl
Feb 19
LAS3:11 pmLas Vegas Harry Reid Intl
3h 52m
ORD9:03 pmChicago O'Hare Intl
$129
Find similar
Frontier
Jan 30
ORD9:38 pmChicago O'Hare Intl
4h 21m
LAS11:59 pmLas Vegas Harry Reid Intl
Feb 6
LAS10:59 amLas Vegas Harry Reid Intl
8h 46m
1 stop
ORD9:45 pmChicago O'Hare Intl
$132
Find similar

Spirit Airlines flights from Chicago to Las Vegas

Our best Spirit Airlines deals on Chicago to Las Vegas flight tickets
Spirit Airlines
Apr 22
ORD8:53 pmChicago O'Hare Intl
4h 01m
LAS10:54 pmLas Vegas Harry Reid Intl
Apr 24
LAS11:59 pmLas Vegas Harry Reid Intl
3h 32m
ORD5:31 amChicago O'Hare Intl
$135
Find similar
Spirit Airlines
May 7
ORD8:53 pmChicago O'Hare Intl
4h 01m
LAS10:54 pmLas Vegas Harry Reid Intl
May 12
LAS11:59 pmLas Vegas Harry Reid Intl
3h 32m
ORD5:31 amChicago O'Hare Intl
$136
Find similar
Spirit Airlines
Jan 7
ORD7:57 pmChicago O'Hare Intl
4h 14m
LAS10:11 pmLas Vegas Harry Reid Intl
Jan 9
LAS1:01 amLas Vegas Harry Reid Intl
11h 16m
1 stop
ORD2:17 pmChicago O'Hare Intl
$138
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from Chicago to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 1/20

2:18 pm-11:01 pm

1 stop10h 43m

Las Vegas Harry Reid Intl

Fri 1/23

2:38 pm-8:29 pm

Nonstop3h 51m

$127

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 2/1

9:38 pm-11:59 pm

Nonstop4h 21m

Las Vegas Harry Reid Intl

Wed 2/4

12:50 pm-6:31 pm

1 stop27h 41m

$128

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 2/12

11:51 am-2:11 pm

Nonstop4h 20m

Las Vegas Harry Reid Intl

Thu 2/19

3:11 pm-9:03 pm

Nonstop3h 52m

$129

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 1/4

10:49 pm-12:58 am

Nonstop4h 09m

Las Vegas Harry Reid Intl

Mon 1/19

1:01 am-8:18 am

2 stops29h 17m

$130

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 1/4

10:49 pm-12:58 am

Nonstop4h 09m

Las Vegas Harry Reid Intl

Sun 1/11

1:01 am-2:17 pm

1 stop11h 16m

$131

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 1/30

9:38 pm-11:59 pm

Nonstop4h 21m

Las Vegas Harry Reid Intl

Fri 2/6

10:59 am-9:45 pm

1 stop8h 46m

$132

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 4/22

8:53 pm-10:54 pm

Nonstop4h 01m

Las Vegas Harry Reid Intl

Fri 4/24

11:59 pm-5:31 am

Nonstop3h 32m

$135

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 5/7

8:53 pm-10:54 pm

Nonstop4h 01m

Las Vegas Harry Reid Intl

Tue 5/12

11:59 pm-5:31 am

Nonstop3h 32m

$136

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Sat 1/3

12:15 pm-1:56 pm

Nonstop3h 41m

Las Vegas Harry Reid Intl

Thu 1/8

7:10 am-12:34 pm

Nonstop3h 24m

$151

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Sun 2/15

12:41 pm-2:42 pm

Nonstop4h 01m

Las Vegas Harry Reid Intl

Thu 2/19

6:30 am-11:51 am

Nonstop3h 21m

$157

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Las Vegas from

How to get the cheapest flight ticket from Chicago to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of January is, on average, the cheapest month to fly to Las Vegas from Chicago, with most prices found around $219. The month of February is another great option to travel to Las Vegas, with average flight prices from Chicago averaging around $230.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $244. Flights from Chicago to Las Vegas on a Thursday will generally be more expensive and average around $314. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $238. Flights to Las Vegas are more costly in the morning, with an average ticket price of $306. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Chicago to Las Vegas Harry Reid Intl flight route?

Fly from Chicago Greater Rockford to Las Vegas Harry Reid Intl for the best Chicago - Las Vegas Harry Reid Intl flight prices

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

You are more likely to see cheaper flights to Las Vegas from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $275 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Chicago for as low as $223 on momondo.

What cabin class options are available on Chicago to Las Vegas Harry Reid Intl flights?

There are 4 cabin classes available to choose from on Chicago to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between Chicago to Las Vegas.

How have Chicago to Las Vegas flight prices changed over time?

As of December 2025, prices for Chicago to Las Vegas flights are approximately 33% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Las Vegas (CHI to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Las Vegas

Best Price Found

$122

Fastest flight time

3h 36m

Direct flights

Mon, Wed, Fri and Sun

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Chicago in the past 72 hours is $122. The best round-trip flight deal from Chicago to Las Vegas found on momondo in the last 72 hours is $196.
The fastest flight from Chicago to Las Vegas takes 3h 36m
Direct flights go from Chicago to Las Vegas on Monday, Wednesday, Friday and Sunday. Airlines offering direct flights are: United Airlines, Allegiant Air and Frontier.
There is 1 airport in Las Vegas. From Chicago there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

  • How far is Chicago to Las Vegas Harry Reid Intl by plane?

    A flight from Chicago to Las Vegas Harry Reid Intl will travel around 1519.9 mi. A reasonable flight in good conditions will take 3h 36m.

  • When did momondo last update prices for flights from Chicago to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Chicago to Las Vegas Harry Reid Intl Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Chicago to Las Vegas Harry Reid Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Las Vegas?

  • What is the most popular airline from Chicago to Las Vegas?

Best airlines flying from Chicago to Las Vegas

Compare and see reviews for airlines that fly from Chicago to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $59Free CancellationRating
5.8
3,082 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $91Free CancellationRating
6.3
8,186 reviews
Search Spirit Airlines flights
JetBluePriceFrom $115Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
Allegiant AirPriceFrom $138Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $139Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom $149Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
DeltaPriceFrom $158Free CancellationRating
7.9
8,008 reviews
Search Delta flights
SouthwestPriceFrom $159Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
Sun Country AirPriceFrom $193Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
Alaska AirlinesPriceFrom $222Free CancellationRating
8.0
11,470 reviews
Search Alaska Airlines flights

  • Southwest Flights From Chicago to Las Vegas

    Across 26 Southwest flights from Chicago to Las Vegas this week, the average price was $335, with the best Southwest deals starting from $159 round-trip. 4,250 users have rated Southwest on momondo, with an average score of 7.9/10.

  • United Airlines Flights From Chicago to Las Vegas

    Across 9,092 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Las Vegas about 10 times each week, with ticket deals ranging from $149 to $460. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
Paradise
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
Needles

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Las Vegas?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Las Vegas. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Las Vegas with flexible booking policies on momondo?

All flight searches from Chicago to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chicago to Las Vegas?

Once all potential Chicago to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Las Vegas right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Las Vegas flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 1/16
Fri 1/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States