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Cheap flights from Chicago to Las Vegas from $62

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 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Multiple Airlines Logo
4:58 pm - 7:04 pmORD-LAS
4h 06mnonstop
Multiple Airlines Logo
12:52 pm - 10:24 pmLAS-ORD
7h 32m1 stop
$125Multiple Airlines
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Tue, Dec 2 - Thu, Dec 11
Allegiant Air Logo
1:24 pm - 3:16 pmRFD-LAS
3h 52mnonstop
Allegiant Air Logo
6:30 am - 11:51 amLAS-RFD
3h 21mnonstop
$125Allegiant Air
Find Deal
Sun, Feb 8 - Thu, Feb 12
Frontier Logo
7:57 pm - 10:18 pmORD-LAS
4h 21mnonstop
Frontier Logo
6:30 pm - 12:59 amLAS-ORD
28h 29m1 stop
$126Frontier
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Sun, Nov 23 - Mon, Nov 24
Frontier Logo
6:33 pm - 9:52 pmMDW-LAS
29h 19m1 stop
Frontier Logo
6:15 am - 3:18 pmLAS-MDW
7h 03m1 stop
$126Frontier
Find Deal
Thu, Jan 1 - Fri, Jan 9
Frontier Logo
3:47 pm - 11:29 pmORD-LAS
9h 42m1 stop
Frontier Logo
1:05 am - 9:58 pmLAS-ORD
18h 53m1 stop
$127Frontier
Find Deal
Thu, Dec 11 - Fri, Jan 9
Frontier Logo
6:33 pm - 9:52 pmMDW-LAS
29h 19m1 stop
Frontier Logo
6:15 am - 3:18 pmLAS-MDW
7h 03m1 stop
$127Frontier
Find Deal
Thu, Jan 1 - Fri, Jan 9
Multiple Airlines Logo
10:49 pm - 12:58 amORD-LAS
4h 09mnonstop
Multiple Airlines Logo
12:59 am - 2:19 pmLAS-ORD
11h 20m1 stop
$128Multiple Airlines
Find Deal
Sun, Jan 4 - Sun, Jan 11
United Airlines Logo
10:50 am - 12:57 pmORD-LAS
4h 07mnonstop
United Airlines Logo
11:59 pm - 5:33 amLAS-ORD
3h 34mnonstop
$131United Airlines
Find Deal
Sun, Dec 14 - Tue, Dec 16
Southwest Logo
9:35 pm - 11:30 pmMDW-LAS
3h 55mnonstop
Southwest Logo
11:40 pm - 5:05 amLAS-MDW
3h 25mnonstop
$131Southwest
Find Deal
Sun, Dec 14 - Wed, Dec 17
Southwest Logo
8:20 pm - 10:15 pmMDW-LAS
3h 55mnonstop
Southwest Logo
11:40 pm - 5:05 amLAS-MDW
3h 25mnonstop
$136Southwest
Find Deal
Mon, Dec 8 - Thu, Dec 11

Frontier flights from Chicago to Las Vegas

Our best Frontier deals on Chicago to Las Vegas flight tickets
Frontier
Jan 1
MDW6:33 pmChicago Midway
29h 19m
1 stop
LAS9:52 pmLas Vegas Harry Reid Intl
Jan 9
LAS6:15 amLas Vegas Harry Reid Intl
7h 03m
1 stop
MDW3:18 pmChicago Midway
$126
Find similar
Frontier
Dec 11
ORD3:47 pmChicago O'Hare Intl
9h 42m
1 stop
LAS11:29 pmLas Vegas Harry Reid Intl
Jan 10
LAS10:12 amLas Vegas Harry Reid Intl
9h 46m
1 stop
ORD9:58 pmChicago O'Hare Intl
$127
Find similar
Frontier
Dec 21
MDW10:50 pmChicago Midway
11h 15m
1 stop
LAS8:05 amLas Vegas Harry Reid Intl
Dec 25
LAS10:31 pmLas Vegas Harry Reid Intl
12h 50m
1 stop
MDW1:21 pmChicago Midway
$128
Find similar

Southwest flights from Chicago to Las Vegas

Our best Southwest deals on Chicago to Las Vegas flight tickets
Southwest
Dec 14
MDW9:35 pmChicago Midway
3h 55m
LAS11:30 pmLas Vegas Harry Reid Intl
Dec 17
LAS11:40 pmLas Vegas Harry Reid Intl
3h 25m
MDW5:05 amChicago Midway
$131
Find similar
Southwest
Dec 8
MDW8:20 pmChicago Midway
3h 55m
LAS10:15 pmLas Vegas Harry Reid Intl
Dec 11
LAS11:40 pmLas Vegas Harry Reid Intl
3h 25m
MDW5:05 amChicago Midway
$136
Find similar
Southwest
Dec 7
MDW5:15 pmChicago Midway
3h 55m
LAS7:10 pmLas Vegas Harry Reid Intl
Dec 9
LAS11:40 pmLas Vegas Harry Reid Intl
3h 25m
MDW5:05 amChicago Midway
$141
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 November 13, 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 12/2

4:58 pm-7:04 pm

Nonstop4h 06m

Las Vegas Harry Reid Intl

Thu 12/11

12:52 pm-10:24 pm

1 stop7h 32m

$125

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Sun 2/8

1:24 pm-3:16 pm

Nonstop3h 52m

Las Vegas Harry Reid Intl

Thu 2/12

6:30 am-11:51 am

Nonstop3h 21m

$125

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 11/23

7:57 pm-10:18 pm

Nonstop4h 21m

Las Vegas Harry Reid Intl

Mon 11/24

6:30 pm-12:59 am

1 stop28h 29m

$126

ChicagoLas Vegas

MDW - LAS

MDWLAS

Chicago Midway

Thu 1/1

6:33 pm-9:52 pm

1 stop29h 19m

Las Vegas Harry Reid Intl

Fri 1/9

6:15 am-3:18 pm

1 stop7h 03m

$126

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 12/11

3:47 pm-11:29 pm

1 stop9h 42m

Las Vegas Harry Reid Intl

Fri 1/9

1:05 am-9:58 pm

1 stop18h 53m

$127

ChicagoLas Vegas

MDW - LAS

MDWLAS

Chicago Midway

Thu 1/1

6:33 pm-9:52 pm

1 stop29h 19m

Las Vegas Harry Reid Intl

Fri 1/9

6:15 am-3:18 pm

1 stop7h 03m

$127

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

12:59 am-2:19 pm

1 stop11h 20m

$128

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 12/14

10:50 am-12:57 pm

Nonstop4h 07m

Las Vegas Harry Reid Intl

Tue 12/16

11:59 pm-5:33 am

Nonstop3h 34m

$131

ChicagoLas Vegas

MDW - LAS

MDWLAS

Chicago Midway

Sun 12/14

9:35 pm-11:30 pm

Nonstop3h 55m

Las Vegas Harry Reid Intl

Wed 12/17

11:40 pm-5:05 am

Nonstop3h 25m

$131

ChicagoLas Vegas

MDW - LAS

MDWLAS

Chicago Midway

Mon 12/8

8:20 pm-10:15 pm

Nonstop3h 55m

Las Vegas Harry Reid Intl

Thu 12/11

11:40 pm-5:05 am

Nonstop3h 25m

$136

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $218. The month of February is another great option to travel to Las Vegas, with average flight prices from Chicago averaging around $225.

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 $241. Flights from Chicago to Las Vegas on a Thursday will generally be more expensive and average around $311. 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 $233. Flights to Las Vegas are more costly in the morning, with an average ticket price of $310. 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 O'Hare Intl 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 $270 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 $221 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 November 2025, prices for Chicago to Las Vegas flights are approximately 11% cheaper 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

$88

Fastest flight time

3h 41m

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 $88. The best round-trip flight deal from Chicago to Las Vegas found on momondo in the last 72 hours is $184.
The fastest flight from Chicago to Las Vegas takes 3h 41m
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 near Las Vegas: 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 41m.

  • 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 $77Free CancellationRating
5.8
3,112 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $90Free CancellationRating
6.3
8,139 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $135Free CancellationRating
7.2
698 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $149Free CancellationRating
7.4
9,016 reviews
Search United Airlines flights
American AirlinesPriceFrom $159Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
SouthwestPriceFrom $159Free CancellationRating
8.0
4,236 reviews
Search Southwest flights
DeltaPriceFrom $182Free CancellationRating
7.9
8,008 reviews
Search Delta flights
Sun Country AirPriceFrom $203Free CancellationRating
6.9
336 reviews
Search Sun Country Air flights
Alaska AirlinesPriceFrom $222Free CancellationRating
8.0
11,282 reviews
Search Alaska Airlines flights

  • Southwest Flights From Chicago to Las Vegas

    Across 64 Southwest flights from Chicago to Las Vegas this week, the average price was $335, with the best Southwest deals starting from $159 round-trip. 4,242 users have rated Southwest on momondo, with an average score of 8.0/10.

  • United Airlines Flights From Chicago to Las Vegas

    Across 9,017 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Las Vegas about 20 times each week, with ticket deals ranging from $149 to $467. 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.

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