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Cheap flights from Chicago to Las Vegas from $38

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 2/6. 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.
6:36 pm - 9:03 pmORD-LAS
4h 27mnonstop
11:16 pm - 5:00 amLAS-ORD
3h 44mnonstop
$69Frontier
Find Deal
Thu, Feb 6 - Thu, Feb 13
6:36 pm - 9:03 pmORD-LAS
4h 27mnonstop
11:16 pm - 5:00 amLAS-ORD
3h 44mnonstop
$72Frontier
Find Deal
Thu, Feb 6 - Thu, Feb 13
9:54 pm - 11:59 pmORD-LAS
4h 05mnonstop
11:51 pm - 5:31 amLAS-ORD
3h 40mnonstop
$96Spirit Airlines
Find Deal
Tue, Jan 7 - Wed, Jan 15
1:39 pm - 3:45 pmORD-LAS
4h 06mnonstop
12:30 am - 6:07 amLAS-ORD
3h 37mnonstop
$105Spirit Airlines
Find Deal
Wed, Feb 5 - Tue, Feb 11
12:40 pm - 2:32 pmRFD-LAS
3h 52mnonstop
6:30 am - 11:54 amLAS-RFD
3h 24mnonstop
$139Allegiant Air
Find Deal
Sun, Jan 5 - Thu, Jan 9
12:44 pm - 2:33 pmRFD-LAS
3h 49mnonstop
3:30 pm - 8:52 pmLAS-RFD
3h 22mnonstop
$157Allegiant Air
Find Deal
Sun, Feb 9 - Thu, Feb 13
8:40 pm - 10:50 pmMDW-LAS
4h 10mnonstop
4:00 pm - 9:30 pmLAS-MDW
3h 30mnonstop
$180Southwest
Find Deal
Tue, Feb 4 - Fri, Feb 7
3:30 pm - 5:35 pmMDW-LAS
4h 05mnonstop
7:30 am - 1:00 pmLAS-MDW
3h 30mnonstop
$189Southwest
Find Deal
Sun, Jan 26 - Wed, Jan 29
3:41 pm - 9:37 pmMDW-LAS
7h 56m1 stop
12:55 am - 9:35 amLAS-MDW
6h 40m1 stop
$236Delta
Find Deal
Sat, Feb 8 - Mon, Feb 10
2:08 pm - 7:58 pmMDW-LAS
7h 50m1 stop
12:55 am - 9:35 amLAS-MDW
6h 40m1 stop
$237Delta
Find Deal
Tue, Feb 4 - Thu, Feb 6
6:36 pm - 9:03 pmORD-LAS
4h 27mnonstop
$38Frontier
Find Deal
Thu, Feb 6
6:36 pm - 9:03 pmORD-LAS
4h 27mnonstop
$40Frontier
Find Deal
Thu, Feb 6
10:47 pm - 12:54 amORD-LAS
4h 07mnonstop
$50Spirit Airlines
Find Deal
Sat, Feb 8
9:54 pm - 11:59 pmORD-LAS
4h 05mnonstop
$57Spirit Airlines
Find Deal
Mon, Jan 6
3:00 pm - 5:10 pmMDW-LAS
4h 10mnonstop
$70Southwest
Find Deal
Sat, Feb 8
7:00 am - 2:33 pmORD-LAS
9h 33m1 stop
$75United Airlines
Find Deal
Wed, Feb 19
12:50 pm - 2:58 pmORD-LAS
4h 08mnonstop
$80United Airlines
Find Deal
Wed, Jan 15
7:20 am - 9:35 amMDW-LAS
4h 15mnonstop
$80Southwest
Find Deal
Wed, Jan 15
8:44 pm - 11:02 pmORD-LAS
4h 18mnonstop
$110American Airlines
Find Deal
Thu, Jan 23
8:45 pm - 11:01 pmORD-LAS
4h 16mnonstop
$196American Airlines
Find Deal
Wed, Jan 1
8:55 pm - 9:11 amORD-LAS
14h 16m1 stop
4:02 pm - 9:44 pmLAS-ORD
3h 42mnonstop
$286Spirit Airlines
Find Deal
Sat, Dec 28 - Sat, Feb 22
6:00 am - 11:34 pmORD-LAS
19h 34m1 stop
12:59 am - 11:46 pmLAS-ORD
20h 47m1 stop
$292Frontier
Find Deal
Wed, Dec 25 - Tue, Dec 31
7:53 pm - 7:37 amORD-LAS
13h 44m1 stop
11:51 pm - 5:31 amLAS-ORD
3h 40mnonstop
$298Spirit Airlines
Find Deal
Fri, Dec 27 - Fri, Jan 10
6:00 am - 11:34 pmORD-LAS
19h 34m1 stop
12:59 am - 10:44 pmLAS-ORD
19h 45m1 stop
$305Frontier
Find Deal
Wed, Dec 25 - Fri, Dec 27
12:40 pm - 2:32 pmRFD-LAS
3h 52mnonstop
6:25 am - 11:50 amLAS-RFD
3h 25mnonstop
$469Allegiant Air
Find Deal
Thu, Dec 26 - Thu, Jan 2
12:40 pm - 2:32 pmRFD-LAS
3h 52mnonstop
6:30 am - 11:54 amLAS-RFD
3h 24mnonstop
$475Allegiant Air
Find Deal
Thu, Dec 26 - Sun, Jan 12
7:50 pm - 9:50 pmMDW-LAS
4h 00mnonstop
6:05 am - 11:35 amLAS-MDW
3h 30mnonstop
$633Southwest
Find Deal
Sat, Dec 28 - Mon, Jan 6
4:30 pm - 11:40 pmMDW-LAS
9h 10m2 stops
7:20 am - 2:40 pmLAS-MDW
5h 20m1 stop
$652Southwest
Find Deal
Fri, Dec 27 - Mon, Jan 6
5:03 pm - 12:31 amMDW-LAS
9h 28m1 stop
6:00 am - 4:10 pmLAS-MDW
8h 10m1 stop
$711Delta
Find Deal
Thu, Dec 26 - Wed, Jan 1
5:03 pm - 10:30 pmMDW-LAS
7h 27m1 stop
6:00 am - 4:10 pmLAS-MDW
8h 10m1 stop
$718Delta
Find Deal
Sat, Dec 28 - Wed, Jan 1
6:36 pm - 9:03 pmORD-LAS
4h 27mnonstop
11:16 pm - 5:00 amLAS-ORD
3h 44mnonstop
$69Frontier
Find Deal
Thu, Feb 6 - Thu, Feb 13
6:36 pm - 9:03 pmORD-LAS
4h 27mnonstop
11:16 pm - 5:00 amLAS-ORD
3h 44mnonstop
$72Frontier
Find Deal
Thu, Feb 6 - Thu, Feb 13
9:54 pm - 11:59 pmORD-LAS
4h 05mnonstop
11:51 pm - 5:31 amLAS-ORD
3h 40mnonstop
$96Spirit Airlines
Find Deal
Tue, Jan 7 - Wed, Jan 15
4:30 pm - 6:45 pmORD-LAS
4h 15mnonstop
1:15 pm - 6:56 pmLAS-ORD
3h 41mnonstop
$102Spirit Airlines
Find Deal
Sat, Feb 22 - Tue, Feb 25
4:15 pm - 6:24 pmORD-LAS
4h 09mnonstop
11:20 am - 5:05 pmLAS-ORD
3h 45mnonstop
$139United Airlines
Find Deal
Sat, Feb 8 - Tue, Feb 11
8:40 pm - 10:50 pmMDW-LAS
4h 10mnonstop
5:55 pm - 11:20 pmLAS-MDW
3h 25mnonstop
$140Southwest
Find Deal
Tue, Jan 21 - Tue, Jan 28
8:40 pm - 10:50 pmMDW-LAS
4h 10mnonstop
2:20 pm - 7:55 pmLAS-MDW
3h 35mnonstop
$150Southwest
Find Deal
Wed, Jan 15 - Wed, Jan 22
12:50 pm - 2:58 pmORD-LAS
4h 08mnonstop
11:48 pm - 5:25 amLAS-ORD
3h 37mnonstop
$159United Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 21
8:44 pm - 11:02 pmORD-LAS
4h 18mnonstop
7:00 am - 12:37 pmLAS-ORD
3h 37mnonstop
$179American Airlines
Find Deal
Fri, Feb 7 - Tue, Feb 11
8:44 pm - 11:02 pmORD-LAS
4h 18mnonstop
11:44 am - 5:16 pmLAS-ORD
3h 32mnonstop
$230American Airlines
Find Deal
Thu, Feb 6 - Thu, Feb 13

Allegiant Air flights from Chicago to Las Vegas

Our best Allegiant Air deals on Chicago to Las Vegas flight tickets
Allegiant Air
Jan 5
RFD12:40 pmChicago Greater Rockford
3h 52m
LAS2:32 pmLas Vegas Harry Reid Intl
Jan 9
LAS6:30 amLas Vegas Harry Reid Intl
3h 24m
RFD11:54 amChicago Greater Rockford
Allegiant Air
Jan 5
RFD12:40 pmChicago Greater Rockford
3h 52m
LAS2:32 pmLas Vegas Harry Reid Intl
Jan 9
LAS6:30 amLas Vegas Harry Reid Intl
3h 24m
RFD11:54 amChicago Greater Rockford
Allegiant Air
Feb 9
RFD12:44 pmChicago Greater Rockford
3h 49m
LAS2:33 pmLas Vegas Harry Reid Intl
Feb 13
LAS3:30 pmLas Vegas Harry Reid Intl
3h 22m
RFD8:52 pmChicago Greater Rockford

Delta flights from Chicago to Las Vegas

Our best Delta deals on Chicago to Las Vegas flight tickets
Delta
Feb 8
MDW3:41 pmChicago Midway
7h 56m
1 stop
LAS9:37 pmLas Vegas Harry Reid Intl
Feb 10
LAS12:55 amLas Vegas Harry Reid Intl
6h 40m
1 stop
MDW9:35 amChicago Midway
Delta
Feb 4
MDW2:08 pmChicago Midway
7h 50m
1 stop
LAS7:58 pmLas Vegas Harry Reid Intl
Feb 6
LAS12:55 amLas Vegas Harry Reid Intl
6h 40m
1 stop
MDW9:35 amChicago Midway
Delta
Jan 6
MDW6:59 pmChicago Midway
6h 38m
1 stop
LAS11:37 pmLas Vegas Harry Reid Intl
Jan 7
LAS12:55 amLas Vegas Harry Reid Intl
6h 44m
1 stop
MDW9:39 amChicago Midway

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 September is, on average, the cheapest month to fly to Las Vegas from Chicago, with most prices found around $217. The month of January is another great option to travel to Las Vegas, with average flight prices from Chicago averaging around $221.

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 $218. Flights from Chicago to Las Vegas on a Friday will generally be more expensive and average around $296. 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 $218. Flights to Las Vegas are more costly in the morning, with an average ticket price of $288. 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?

Most flyers found that booking tickets 27 days in advance of their planned departure date is the best time to get cheap flights to Las Vegas. During this timeframe, flight prices are around $264. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $186.

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?

You could potentially save up to 39% on your flight if you consider stops on a Chicago to Las Vegas flight.

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

As of December 2024, prices for Chicago to Las Vegas flights are approximately 10% 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

$38

Fastest flight time

3h 32m

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 $38. The best round-trip flight deal from Chicago to Las Vegas found on momondo in the last 72 hours is $69.
The fastest flight from Chicago to Las Vegas takes 3h 32m
Direct flights go from Chicago to Las Vegas on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Southwest and Allegiant Air.
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 32m.

  • 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 $49Free CancellationRating
6.1
3,469 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $70Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $140Free CancellationRating
7.3
821 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $176Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $188Free CancellationRating
8.1
4,780 reviews
Search Southwest flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,020 reviews
Search United Airlines flights
Sun Country AirPriceFrom $191Free CancellationRating
7.0
392 reviews
Search Sun Country Air flights
DeltaPriceFrom $235Free CancellationRating
8.0
8,588 reviews
Search Delta flights
Alaska AirlinesPriceFrom $240Free CancellationRating
8.0
9,549 reviews
Search Alaska Airlines flights
  • Southwest Flights From Chicago to Las Vegas

    Across 65 Southwest flights from Chicago to Las Vegas this week, the average price was $355, with the best Southwest deals starting from $188 round-trip. 4,780 users have rated Southwest on momondo, with an average score of 8.1/10.

  • United Airlines Flights From Chicago to Las Vegas

    Across 9,020 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Las Vegas about 27 times each week, with ticket deals ranging from $189 to $389. 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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