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Cheap flights from Illinois 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 Illinois to Las Vegas departing on 12/8. 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 Illinois to Las Vegas

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois 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 Illinois to Las Vegas.

Cheap last minute flights

Planning a quick getaway from Illinois 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 Illinois to Las Vegas

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

All round-trip flight deals to Las Vegas

The cheapest plane tickets to Las Vegas found on KAYAK recently.
9:53 pm - 11:59 pmORD-LAS
4h 06mnonstop
8:51 am - 2:26 pmLAS-ORD
3h 35mnonstop
$75Spirit Airlines
Find Deal
Sun, Dec 8 - Thu, Dec 12
9:53 pm - 11:59 pmORD-LAS
4h 06mnonstop
11:58 pm - 5:30 amLAS-ORD
3h 32mnonstop
$77Spirit Airlines
Find Deal
Mon, Dec 9 - Thu, Dec 12
6:36 pm - 9:00 pmORD-LAS
4h 24mnonstop
11:59 pm - 5:42 amLAS-ORD
3h 43mnonstop
$78Frontier
Find Deal
Sun, Dec 8 - Tue, Dec 17
8:25 pm - 10:49 pmORD-LAS
4h 24mnonstop
1:39 pm - 7:30 pmLAS-ORD
3h 51mnonstop
$79Frontier
Find Deal
Mon, Dec 9 - Fri, Dec 13
9:53 pm - 11:59 pmORD-LAS
4h 06mnonstop
11:59 pm - 5:42 amLAS-ORD
3h 43mnonstop
Thu, Dec 12 - Tue, Dec 17
9:53 pm - 11:59 pmORD-LAS
4h 06mnonstop
11:37 am - 5:28 pmLAS-ORD
3h 51mnonstop
Sun, Dec 8 - Thu, Dec 12
9:22 pm - 11:00 pmMLI-LAS
3h 38mnonstop
3:58 pm - 9:17 pmLAS-MLI
3h 19mnonstop
$108Allegiant Air
Find Deal
Sat, Jan 4 - Thu, Jan 9
9:22 pm - 11:00 pmMLI-LAS
3h 38mnonstop
3:58 pm - 9:17 pmLAS-MLI
3h 19mnonstop
$120Allegiant Air
Find Deal
Sat, Jan 4 - Thu, Jan 16
4:20 pm - 6:34 pmORD-LAS
4h 14mnonstop
5:05 pm - 10:45 pmLAS-ORD
3h 40mnonstop
$139United Airlines
Find Deal
Sat, Mar 1 - Tue, Mar 4
3:45 pm - 10:04 pmMLI-LAS
8h 19m1 stop
11:20 am - 9:09 pmLAS-MLI
7h 49m1 stop
$268United Airlines
Find Deal
Sat, Jan 4 - Thu, Jan 9
9:53 pm - 11:59 pmORD-LAS
4h 06mnonstop
$37Spirit Airlines
Find Deal
Sun, Dec 8
8:34 pm - 10:29 pmSTL-LAS
3h 55mnonstop
$38Frontier
Find Deal
Mon, Dec 16
7:40 pm - 9:58 pmORD-LAS
4h 18mnonstop
$70United Airlines
Find Deal
Tue, Feb 18
12:35 pm - 2:40 pmMDW-LAS
4h 05mnonstop
$70Southwest
Find Deal
Tue, Jan 7
9:42 pm - 11:31 pmRFD-LAS
3h 49mnonstop
$71Allegiant Air
Find Deal
Sun, Feb 23
9:34 pm - 11:14 pmMLI-LAS
3h 40mnonstop
$74Allegiant Air
Find Deal
Sun, Dec 15
7:35 am - 1:51 pmORD-LAS
8h 16m1 stop
$75United Airlines
Find Deal
Wed, Feb 19
6:05 pm - 8:10 pmMDW-LAS
4h 05mnonstop
$100Southwest
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Mon, Mar 3
3:24 pm - 7:56 pmMLI-LAS
6h 32m1 stop
$109American Airlines
Find Deal
Tue, Dec 17
3:36 pm - 8:44 pmPIA-LAS
7h 08m1 stop
$109American Airlines
Find Deal
Tue, Dec 17
11:51 am - 10:41 pmORD-LAS
12h 50m1 stop
11:58 pm - 5:30 amLAS-ORD
3h 32mnonstop
$156Spirit Airlines
Find Deal
Fri, Nov 29 - Fri, Dec 6
11:51 am - 10:41 pmORD-LAS
12h 50m1 stop
9:54 am - 12:33 amLAS-ORD
12h 39m1 stop
$175Spirit Airlines
Find Deal
Fri, Nov 29 - Fri, Dec 6
3:00 pm - 5:13 pmORD-LAS
4h 13mnonstop
11:37 am - 5:28 pmLAS-ORD
3h 51mnonstop
$189Frontier
Find Deal
Sat, Nov 30 - Thu, Dec 5
12:44 pm - 2:54 pmMDW-LAS
4h 10mnonstop
6:11 am - 11:48 amLAS-MDW
3h 37mnonstop
$189Frontier
Find Deal
Sat, Nov 30 - Thu, Dec 5
1:09 pm - 10:41 pmORD-LAS
11h 32m1 stop
11:37 am - 5:28 pmLAS-ORD
3h 51mnonstop
Fri, Nov 29 - Thu, Dec 5
3:00 pm - 5:13 pmORD-LAS
4h 13mnonstop
11:58 pm - 5:30 amLAS-ORD
3h 32mnonstop
Sat, Nov 30 - Wed, Dec 4
12:13 pm - 2:04 pmRFD-LAS
3h 51mnonstop
6:00 am - 11:25 amLAS-RFD
3h 25mnonstop
$250Allegiant Air
Find Deal
Sat, Nov 30 - Thu, Dec 5
9:47 pm - 11:25 pmMLI-LAS
3h 38mnonstop
3:21 pm - 8:38 pmLAS-MLI
3h 17mnonstop
$264Allegiant Air
Find Deal
Sat, Nov 30 - Thu, Dec 5
11:31 am - 6:40 pmMLI-LAS
9h 09m1 stop
1:06 pm - 9:39 pmLAS-MLI
6h 33m1 stop
$408American Airlines
Find Deal
Wed, Nov 27 - Mon, Dec 2
4:52 pm - 8:51 pmPIA-LAS
5h 59m1 stop
1:06 pm - 9:30 pmLAS-PIA
6h 24m1 stop
$408American Airlines
Find Deal
Fri, Nov 29 - Mon, Dec 2
9:53 pm - 11:59 pmORD-LAS
4h 06mnonstop
8:51 am - 2:26 pmLAS-ORD
3h 35mnonstop
$75Spirit Airlines
Find Deal
Sun, Dec 8 - Thu, Dec 12
9:53 pm - 11:59 pmORD-LAS
4h 06mnonstop
11:58 pm - 5:30 amLAS-ORD
3h 32mnonstop
$77Spirit Airlines
Find Deal
Mon, Dec 9 - Thu, Dec 12
6:36 pm - 9:00 pmORD-LAS
4h 24mnonstop
11:59 pm - 5:42 amLAS-ORD
3h 43mnonstop
$78Frontier
Find Deal
Sun, Dec 8 - Tue, Dec 17
8:25 pm - 10:49 pmORD-LAS
4h 24mnonstop
1:39 pm - 7:30 pmLAS-ORD
3h 51mnonstop
$79Frontier
Find Deal
Mon, Dec 9 - Fri, Dec 13
9:53 pm - 11:59 pmORD-LAS
4h 06mnonstop
11:59 pm - 5:42 amLAS-ORD
3h 43mnonstop
Thu, Dec 12 - Tue, Dec 17
9:53 pm - 11:59 pmORD-LAS
4h 06mnonstop
11:37 am - 5:28 pmLAS-ORD
3h 51mnonstop
Sun, Dec 8 - Thu, Dec 12
9:22 pm - 11:00 pmMLI-LAS
3h 38mnonstop
3:58 pm - 9:17 pmLAS-MLI
3h 19mnonstop
$108Allegiant Air
Find Deal
Sat, Jan 4 - Thu, Jan 9
9:22 pm - 11:00 pmMLI-LAS
3h 38mnonstop
3:58 pm - 9:17 pmLAS-MLI
3h 19mnonstop
$120Allegiant Air
Find Deal
Sat, Jan 4 - Thu, Jan 16
4:20 pm - 6:34 pmORD-LAS
4h 14mnonstop
5:05 pm - 10:45 pmLAS-ORD
3h 40mnonstop
$139United Airlines
Find Deal
Sat, Mar 1 - Tue, Mar 4
8:04 pm - 10:15 pmORD-LAS
4h 11mnonstop
11:50 pm - 5:24 amLAS-ORD
3h 34mnonstop
$229United Airlines
Find Deal
Tue, Feb 11 - Wed, Feb 19

Frontier flights from Illinois to Las Vegas

Our best Frontier deals on Illinois to Las Vegas flight tickets
Frontier
Dec 8
ORD6:36 pmChicago O'Hare Intl
4h 24m
LAS9:00 pmLas Vegas Harry Reid Intl
Dec 17
LAS11:59 pmLas Vegas Harry Reid Intl
3h 43m
ORD5:42 amChicago O'Hare Intl
Frontier
Dec 9
ORD8:25 pmChicago O'Hare Intl
4h 24m
LAS10:49 pmLas Vegas Harry Reid Intl
Dec 13
LAS1:39 pmLas Vegas Harry Reid Intl
3h 51m
ORD7:30 pmChicago O'Hare Intl
Frontier
Dec 9
ORD8:25 pmChicago O'Hare Intl
4h 24m
LAS10:49 pmLas Vegas Harry Reid Intl
Dec 12
LAS11:37 amLas Vegas Harry Reid Intl
3h 51m
ORD5:28 pmChicago O'Hare Intl

Allegiant Air flights from Illinois to Las Vegas

Our best Allegiant Air deals on Illinois to Las Vegas flight tickets
Allegiant Air
Jan 4
MLI9:22 pmMoline Quad-City
3h 38m
LAS11:00 pmLas Vegas Harry Reid Intl
Jan 9
LAS3:58 pmLas Vegas Harry Reid Intl
3h 19m
MLI9:17 pmMoline Quad-City
Allegiant Air
Jan 4
MLI9:22 pmMoline Quad-City
3h 38m
LAS11:00 pmLas Vegas Harry Reid Intl
Jan 16
LAS3:58 pmLas Vegas Harry Reid Intl
3h 19m
MLI9:17 pmMoline Quad-City
Allegiant Air
Feb 3
PIA9:14 pmGreater Peoria
3h 56m
LAS11:10 pmLas Vegas Harry Reid Intl
Feb 7
LAS7:35 amLas Vegas Harry Reid Intl
3h 19m
PIA12:54 pmGreater Peoria

See travel insights to Las Vegas from

How to get the cheapest flight ticket from Illinois 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 to Las Vegas?

The month of September is, on average, the cheapest month to fly to Las Vegas from Illinois, with most prices found around $217. The month of August is another great option to travel to Las Vegas, with average flight prices from Illinois averaging around $222.

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 Illinois 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 $220. Flights to Las Vegas are more costly in the morning, with an average ticket price of $287. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Fly from Chicago O'Hare Intl to Las Vegas Harry Reid Intl for the best Illinois - 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 40 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 $258. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $187.

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

There are 4 cabin classes available to choose from on Illinois 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 Illinois to Las Vegas flights?

You could potentially save up to 74% on your flight if you consider stops on a Illinois to Las Vegas flight.

Cheap Illinois to Las Vegas flight deals and tips

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

Best Price Found

$37

Fastest flight time

3h 32m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Illinois in the past 72 hours is $37. The best round-trip flight deal from Illinois to Las Vegas found on momondo in the last 72 hours is $75.
The fastest flight from Illinois to Las Vegas takes 3h 32m
Direct flights go from Illinois to Las Vegas every day.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

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

    Prices for flights from Illinois to Las Vegas Harry Reid Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois 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 Illinois to Las Vegas?


Best airlines flying from Illinois to Las Vegas

Compare and see reviews for airlines that fly from Illinois to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $48Free CancellationRating
6.1
3,526 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $70Free CancellationRating
6.3
8,176 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $114Free CancellationRating
7.3
849 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $178Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Sun Country AirPriceFrom $191Free CancellationRating
7.0
414 reviews
Search Sun Country Air flights
United AirlinesPriceFrom $193Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights
SouthwestPriceFrom $194Free CancellationRating
8.1
4,984 reviews
Search Southwest flights
DeltaPriceFrom $216Free CancellationRating
8.0
8,734 reviews
Search Delta flights
Alaska AirlinesPriceFrom $240Free CancellationRating
8.0
9,475 reviews
Search Alaska Airlines flights

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Las Vegas from Illinois which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Illinois 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 Illinois to Las Vegas right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Las Vegas and let you know when they change.


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