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Cheap flights from Chicago to Las Vegas from $37

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 12/10. 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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Find the cheapest flights from Chicago to Las Vegas

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago to Las Vegas that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago to Las Vegas.

Cheap last minute flights

Planning a quick getaway from Chicago to Las Vegas? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Las Vegas, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Chicago to Las Vegas

Find recent round-trip train or bus tickets from Chicago to Las Vegas.

All round-trip flight deals to Las Vegas

The cheapest plane tickets to Las Vegas found on KAYAK recently.
9:10 pm - 11:20 pmORD-LAS
4h 10mnonstop
8:51 am - 2:26 pmLAS-ORD
3h 35mnonstop
$81Spirit Airlines
Find Deal
Tue, Dec 10 - Thu, Dec 12
6:36 pm - 9:00 pmORD-LAS
4h 24mnonstop
11:59 pm - 5:42 amLAS-ORD
3h 43mnonstop
$84Frontier
Find Deal
Sun, Dec 8 - Tue, Dec 17
9:10 pm - 11:20 pmORD-LAS
4h 10mnonstop
11:58 pm - 5:30 amLAS-ORD
3h 32mnonstop
$85Spirit Airlines
Find Deal
Tue, Dec 10 - Sat, Dec 14
6:36 pm - 9:00 pmORD-LAS
4h 24mnonstop
11:58 pm - 5:30 amLAS-ORD
3h 32mnonstop
Sun, Dec 8 - Wed, Dec 11
6:36 pm - 9:00 pmORD-LAS
4h 24mnonstop
1:39 pm - 7:30 pmLAS-ORD
3h 51mnonstop
$89Frontier
Find Deal
Sun, Dec 8 - Fri, Dec 13
8:35 pm - 10:35 pmMDW-LAS
4h 00mnonstop
6:50 pm - 12:15 amLAS-MDW
3h 25mnonstop
$170Southwest
Find Deal
Tue, Dec 10 - Thu, Dec 12
8:26 pm - 10:32 pmORD-LAS
4h 06mnonstop
11:36 pm - 5:19 amLAS-ORD
3h 43mnonstop
$194American Airlines
Find Deal
Tue, Dec 3 - Tue, Dec 10
11:30 am - 1:30 pmMDW-LAS
4h 00mnonstop
1:05 pm - 6:35 pmLAS-MDW
3h 30mnonstop
$195Southwest
Find Deal
Tue, Dec 10 - Sat, Dec 14
5:50 pm - 10:30 pmMDW-LAS
6h 40m1 stop
11:00 pm - 8:54 amLAS-MDW
7h 54m1 stop
$237Delta
Find Deal
Sat, Dec 7 - Sat, Jan 11
7:17 pm - 11:29 pmMDW-LAS
6h 12m1 stop
10:20 pm - 8:50 amLAS-MDW
8h 30m1 stop
$238Delta
Find Deal
Tue, Dec 3 - Wed, Dec 4
9:10 pm - 11:20 pmORD-LAS
4h 10mnonstop
$37Spirit Airlines
Find Deal
Tue, Dec 10
9:10 pm - 11:20 pmORD-LAS
4h 10mnonstop
$39Spirit Airlines
Find Deal
Tue, Dec 10
8:26 pm - 10:54 pmORD-LAS
4h 28mnonstop
$44Frontier
Find Deal
Tue, Dec 17
12:43 pm - 2:56 pmMDW-LAS
4h 13mnonstop
$44Frontier
Find Deal
Sun, Feb 9
4:50 pm - 6:50 pmMDW-LAS
4h 00mnonstop
$85Southwest
Find Deal
Sat, Dec 14
7:36 am - 9:52 amORD-LAS
4h 16mnonstop
$99United Airlines
Find Deal
Tue, Feb 18
7:00 am - 2:33 pmORD-LAS
9h 33m1 stop
$104United Airlines
Find Deal
Wed, Feb 19
8:26 pm - 10:32 pmORD-LAS
4h 06mnonstop
$110American Airlines
Find Deal
Tue, Dec 3
4:20 pm - 6:20 pmMDW-LAS
4h 00mnonstop
$110Southwest
Find Deal
Tue, Dec 10
7:00 pm - 9:09 pmORD-LAS
4h 09mnonstop
$119American Airlines
Find Deal
Mon, Feb 3
8:27 pm - 10:29 pmORD-LAS
4h 02mnonstop
6:15 am - 11:52 amLAS-ORD
3h 37mnonstop
$178Spirit Airlines
Find Deal
Mon, Nov 25 - Tue, Dec 3
1:48 pm - 3:39 pmRFD-LAS
3h 51mnonstop
6:05 am - 11:23 amLAS-RFD
3h 18mnonstop
$182Allegiant Air
Find Deal
Sun, Nov 24 - Tue, Nov 26
6:00 am - 11:25 amORD-LAS
7h 25m1 stop
6:15 am - 11:52 amLAS-ORD
3h 37mnonstop
Mon, Nov 25 - Tue, Dec 3
9:00 am - 2:28 pmMDW-LAS
7h 28m1 stop
6:00 am - 11:44 amLAS-MDW
3h 44mnonstop
$232Frontier
Find Deal
Mon, Nov 25 - Thu, Nov 28
3:20 pm - 5:33 pmORD-LAS
4h 13mnonstop
6:15 am - 11:52 amLAS-ORD
3h 37mnonstop
Fri, Nov 22 - Tue, Dec 3
3:20 pm - 5:33 pmORD-LAS
4h 13mnonstop
12:59 am - 12:15 pmLAS-ORD
9h 16m1 stop
$264Frontier
Find Deal
Mon, Nov 25 - Mon, Nov 25
1:30 pm - 9:19 pmORD-LAS
9h 49m1 stop
10:20 pm - 7:39 amLAS-ORD
7h 19m1 stop
$324Delta
Find Deal
Mon, Nov 25 - Tue, Dec 3
5:15 am - 7:20 amMDW-LAS
4h 05mnonstop
8:55 am - 2:25 pmLAS-MDW
3h 30mnonstop
$655Southwest
Find Deal
Mon, Nov 25 - Thu, Nov 28
5:05 pm - 7:05 pmMDW-LAS
4h 00mnonstop
5:10 am - 10:40 amLAS-MDW
3h 30mnonstop
$700Southwest
Find Deal
Mon, Nov 25 - Tue, Nov 26
10:41 am - 6:18 pmMDW-LAS
9h 37m1 stop
6:10 am - 1:37 pmLAS-MDW
5h 27m1 stop
$936Delta
Find Deal
Thu, Nov 21 - Sat, Nov 30
9:10 pm - 11:20 pmORD-LAS
4h 10mnonstop
8:51 am - 2:26 pmLAS-ORD
3h 35mnonstop
$81Spirit Airlines
Find Deal
Tue, Dec 10 - Thu, Dec 12
6:36 pm - 9:00 pmORD-LAS
4h 24mnonstop
11:59 pm - 5:42 amLAS-ORD
3h 43mnonstop
$84Frontier
Find Deal
Sun, Dec 8 - Tue, Dec 17
9:10 pm - 11:20 pmORD-LAS
4h 10mnonstop
11:58 pm - 5:30 amLAS-ORD
3h 32mnonstop
$85Spirit Airlines
Find Deal
Tue, Dec 10 - Sat, Dec 14
6:36 pm - 9:00 pmORD-LAS
4h 24mnonstop
1:39 pm - 7:30 pmLAS-ORD
3h 51mnonstop
$89Frontier
Find Deal
Sun, Dec 8 - Fri, Dec 13
8:35 pm - 10:35 pmMDW-LAS
4h 00mnonstop
6:50 pm - 12:15 amLAS-MDW
3h 25mnonstop
$170Southwest
Find Deal
Tue, Dec 10 - Thu, Dec 12
8:26 pm - 10:32 pmORD-LAS
4h 06mnonstop
11:36 pm - 5:19 amLAS-ORD
3h 43mnonstop
$194American Airlines
Find Deal
Tue, Dec 3 - Tue, Dec 10
11:30 am - 1:30 pmMDW-LAS
4h 00mnonstop
6:50 pm - 12:15 amLAS-MDW
3h 25mnonstop
$195Southwest
Find Deal
Tue, Dec 10 - Thu, Dec 12
4:20 pm - 6:34 pmORD-LAS
4h 14mnonstop
12:50 am - 6:23 amLAS-ORD
3h 33mnonstop
$197United Airlines
Find Deal
Sat, Feb 15 - Fri, Feb 21
7:39 pm - 9:43 pmORD-LAS
4h 04mnonstop
7:00 am - 12:28 pmLAS-ORD
3h 28mnonstop
$217American Airlines
Find Deal
Sun, Mar 2 - Wed, Mar 5
8:04 pm - 10:15 pmORD-LAS
4h 11mnonstop
12:50 am - 6:23 amLAS-ORD
3h 33mnonstop
$237United Airlines
Find Deal
Mon, Feb 10 - Thu, Feb 13

Spirit Airlines flights from Chicago to Las Vegas

Our best Spirit Airlines deals on Chicago to Las Vegas flight tickets
Spirit Airlines
Dec 10
ORD9:10 pmChicago O'Hare Intl
4h 10m
LAS11:20 pmLas Vegas Harry Reid Intl
Dec 12
LAS8:51 amLas Vegas Harry Reid Intl
3h 35m
ORD2:26 pmChicago O'Hare Intl
Spirit Airlines
Dec 10
ORD9:10 pmChicago O'Hare Intl
4h 10m
LAS11:20 pmLas Vegas Harry Reid Intl
Dec 14
LAS11:58 pmLas Vegas Harry Reid Intl
3h 32m
ORD5:30 amChicago O'Hare Intl
Spirit Airlines
Dec 4
ORD9:10 pmChicago O'Hare Intl
4h 10m
LAS11:20 pmLas Vegas Harry Reid Intl
Dec 11
LAS8:15 pmLas Vegas Harry Reid Intl
13h 50m
1 stop
ORD12:05 pmChicago O'Hare Intl

Allegiant Air flights from Chicago to Las Vegas

Our best Allegiant Air deals on Chicago to Las Vegas flight tickets
Allegiant Air
Dec 15
RFD12:45 pmChicago Greater Rockford
3h 52m
LAS2:37 pmLas Vegas Harry Reid Intl
Dec 19
LAS6:25 amLas Vegas Harry Reid Intl
3h 25m
RFD11:50 amChicago Greater Rockford
Allegiant Air
Dec 8
RFD12:45 pmChicago Greater Rockford
3h 52m
LAS2:37 pmLas Vegas Harry Reid Intl
Dec 12
LAS6:00 amLas Vegas Harry Reid Intl
3h 25m
RFD11:25 amChicago Greater Rockford
Allegiant Air
Apr 6
RFD9:41 pmChicago Greater Rockford
3h 41m
LAS11:22 pmLas Vegas Harry Reid Intl
Apr 10
LAS3:19 pmLas Vegas Harry Reid Intl
3h 27m
RFD8:46 pmChicago Greater Rockford

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 cheapest month to fly from Chicago to Las Vegas?

September. The cheapest time of year to fly to Las Vegas from Chicago is September. Most expensive is March

What is the cheapest day to depart Chicago for Las Vegas?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Friday

When is the cheapest time to fly from Chicago to Las Vegas?

In the evening. Chicago to Las Vegas flights are approximately 23% more expensive in the morning than in the evening

What is the cheapest Chicago to Las Vegas flight route?

Chicago O'Hare Intl - Las Vegas Harry Reid Intl. Fly from Chicago O'Hare Intl to Las Vegas Harry Reid Intl for the best Chicago - Las Vegas flight prices

How far in advance should you book Chicago to Las Vegas flights?

40 days before. The cheapest time to buy a flight from Chicago to Las Vegas is approximately 40 days to departure

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

There are 4 cabin classes available to choose from on Chicago to Las Vegas 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 2024, prices for Chicago to Las Vegas flights are approximately 33% cheaper when compared to flights at the same time last year.

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


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

$37

Fastest flight time

3h 41m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Chicago in the past 72 hours is $37. The best round-trip flight deal from Chicago to Las Vegas found on momondo in the last 72 hours is $81.
The fastest flight from Chicago to Las Vegas takes 3h 41m
Direct flights go from Chicago to Las Vegas on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Allegiant Air and American Airlines.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

  • 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 $48Free CancellationRating
6.1
3,539 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $70Free CancellationRating
6.3
8,174 reviews
Search Spirit Airlines flights
Sun Country AirPriceFrom $118Free CancellationRating
7.0
415 reviews
Search Sun Country Air flights
Allegiant AirPriceFrom $138Free CancellationRating
7.3
850 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $178Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
SouthwestPriceFrom $197Free CancellationRating
8.1
5,014 reviews
Search Southwest flights
DeltaPriceFrom $235Free CancellationRating
8.0
8,756 reviews
Search Delta flights
Alaska AirlinesPriceFrom $240Free CancellationRating
8.0
9,461 reviews
Search Alaska Airlines flights
  • Southwest Flights From Chicago to Las Vegas

    Across 84 Southwest flights from Chicago to Las Vegas this week, the average price was $343, with the best Southwest deals starting from $197 round-trip. 5,014 users have rated Southwest on momondo, with an average score of 8.1/10.

  • United Airlines Flights From Chicago to Las Vegas

    Across 9,171 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Las Vegas about 31 times each week, with ticket deals ranging from $194 to $391. Price data is based on momondo searches in the last 72 hours.


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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