Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to Las Vegas from $67

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 5/17. 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 Illinois to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
12:31 pm - 2:03 pm
MLI
-
LAS
3h 32mnonstop
Allegiant Air Logo
7:05 am - 12:16 pm
LAS
-
MLI
3h 11mnonstop
$123Allegiant Air
週日, 8月 16 - 週四, 8月 27
Allegiant Air Logo
1:06 pm - 2:31 pm
MLI
-
LAS
3h 25mnonstop
Allegiant Air Logo
7:05 am - 12:23 pm
LAS
-
MLI
3h 18mnonstop
$135Allegiant Air
週日, 8月 30 - 週四, 9月 3
Frontier Logo
10:22 am - 12:54 am
ORD
-
LAS
16h 32m
1 stop
Frontier Logo
7:15 am - 11:01 pm
LAS
-
ORD
13h 46m
1 stop
$198Frontier
週日, 5月 10 - 週六, 5月 16
Frontier Logo
8:21 pm - 9:59 pm
STL
-
LAS
3h 38mnonstop
Frontier Logo
2:10 pm - 7:36 pm
LAS
-
STL
3h 26mnonstop
$198Frontier
週一, 8月 24 - 週五, 8月 28
Multiple Airlines Logo
6:00 am - 12:53 pm
MDW
-
LAS
8h 53m
1 stop
Multiple Airlines Logo
11:50 pm - 2:12 pm
LAS
-
MDW
12h 22m
1 stop
$215Multiple Airlines
週二, 6月 2 - 週六, 6月 6
Delta Logo
12:00 pm - 6:34 pm
BMI
-
LAS
8h 34m
1 stop
Delta Logo
12:35 am - 11:11 am
LAS
-
BMI
8h 36m
1 stop
$319Delta
週二, 9月 15 - 週二, 9月 22
United Airlines Logo
6:00 am - 3:09 pm
BMI
-
LAS
11h 09m
2 stops
United Airlines Logo
11:30 pm - 9:07 am
LAS
-
BMI
7h 37m
1 stop
$324United Airlines
週二, 7月 14 - 週三, 7月 22
United Airlines Logo
7:30 pm - 11:59 pm
BMI
-
LAS
6h 29m
1 stop
United Airlines Logo
7:00 am - 5:52 pm
LAS
-
BMI
8h 52m
1 stop
$334United Airlines
週四, 7月 9 - 週六, 7月 11
Delta Logo
12:00 pm - 6:34 pm
BMI
-
LAS
8h 34m
1 stop
Delta Logo
12:35 am - 11:11 am
LAS
-
BMI
8h 36m
1 stop
$359Delta
週五, 9月 18 - 週二, 9月 22
Multiple Airlines Logo
3:07 pm - 11:16 pm
EVV
-
LAS
10h 09m
1 stop
Multiple Airlines Logo
11:40 pm - 3:49 pm
LAS
-
EVV
38h 09m
2 stops
$410Multiple Airlines
週五, 7月 3 - 週一, 7月 6

American Airlines flights from Illinois to Las Vegas

Our best American Airlines deals on Illinois to Las Vegas flight tickets
American Airlines
Jun 17
MLI4:46 pmMoline Quad-City
7h 54m
1 stop
LAS10:40 pmLas Vegas Harry Reid Intl
Jun 22
LAS12:59 amLas Vegas Harry Reid Intl
7h 42m
1 stop
MLI10:41 amMoline Quad-City
$261
American Airlines
Jun 17
MLI4:46 pmMoline Quad-City
7h 54m
1 stop
LAS10:40 pmLas Vegas Harry Reid Intl
Jun 23
LAS12:49 pmLas Vegas Harry Reid Intl
8h 41m
2 stops
MLI11:30 pmMoline Quad-City
$266
American Airlines
Jun 2
PIA12:24 pmGreater Peoria
7h 27m
1 stop
LAS5:51 pmLas Vegas Harry Reid Intl
Jun 9
LAS2:02 pmLas Vegas Harry Reid Intl
7h 36m
1 stop
PIA11:38 pmGreater Peoria
$299

Allegiant Air flights from Illinois to Las Vegas

Our best Allegiant Air deals on Illinois to Las Vegas flight tickets
Allegiant Air
Aug 16
MLI12:31 pmMoline Quad-City
3h 32m
LAS2:03 pmLas Vegas Harry Reid Intl
Aug 27
LAS7:05 amLas Vegas Harry Reid Intl
3h 11m
MLI12:16 pmMoline Quad-City
$123
Allegiant Air
Aug 30
MLI1:06 pmMoline Quad-City
3h 25m
LAS2:31 pmLas Vegas Harry Reid Intl
Sep 3
LAS7:05 amLas Vegas Harry Reid Intl
3h 18m
MLI12:23 pmMoline Quad-City
$135
Allegiant Air
May 3
MLI12:19 pmMoline Quad-City
3h 38m
LAS1:57 pmLas Vegas Harry Reid Intl
May 7
LAS6:20 amLas Vegas Harry Reid Intl
3h 09m
MLI11:29 amMoline Quad-City
$149

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 4月 28, 2026.
Use the filters below to find and compare flights from Illinois to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MolineLas Vegas

MLI - LAS

MLILAS

Moline Quad-City

週日 8/16

12:31 pm-2:03 pm

Nonstop3h 32m

Las Vegas Harry Reid Intl

週四 8/27

7:05 am-12:16 pm

Nonstop3h 11m

$123

MolineLas Vegas

MLI - LAS

MLILAS

Moline Quad-City

週日 8/30

1:06 pm-2:31 pm

Nonstop3h 25m

Las Vegas Harry Reid Intl

週四 9/3

7:05 am-12:23 pm

Nonstop3h 18m

$135

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

週日 5/10

10:22 am-12:54 am

1 stop16h 32m

Las Vegas Harry Reid Intl

週六 5/16

7:15 am-11:01 pm

1 stop13h 46m

$198

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

週一 8/24

8:21 pm-9:59 pm

Nonstop3h 38m

Las Vegas Harry Reid Intl

週五 8/28

2:10 pm-7:36 pm

Nonstop3h 26m

$198

ChicagoLas Vegas

MDW - LAS

MDWLAS

Chicago Midway

週二 6/2

6:00 am-12:53 pm

1 stop8h 53m

Las Vegas Harry Reid Intl

週六 6/6

11:50 pm-2:12 pm

1 stop12h 22m

$215

BloomingtonLas Vegas

BMI - LAS

BMILAS

Bloomington-Normal

週二 9/15

12:00 pm-6:34 pm

1 stop8h 34m

Las Vegas Harry Reid Intl

週二 9/22

12:35 am-11:11 am

1 stop8h 36m

$319

BloomingtonLas Vegas

BMI - LAS

BMILAS

Bloomington-Normal

週二 7/14

6:00 am-3:09 pm

2 stops11h 09m

Las Vegas Harry Reid Intl

週三 7/22

11:30 pm-9:07 am

1 stop7h 37m

$324

BloomingtonLas Vegas

BMI - LAS

BMILAS

Bloomington-Normal

週四 7/9

7:30 pm-11:59 pm

1 stop6h 29m

Las Vegas Harry Reid Intl

週六 7/11

7:00 am-5:52 pm

1 stop8h 52m

$334

BloomingtonLas Vegas

BMI - LAS

BMILAS

Bloomington-Normal

週五 9/18

12:00 pm-6:34 pm

1 stop8h 34m

Las Vegas Harry Reid Intl

週二 9/22

12:35 am-11:11 am

1 stop8h 36m

$359

EvansvilleLas Vegas

EVV - LAS

EVVLAS

Evansville Dress Regional

週五 7/3

3:07 pm-11:16 pm

1 stop10h 09m

Las Vegas Harry Reid Intl

週一 7/6

11:40 pm-3:49 pm

2 stops38h 09m

$410

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 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 November is, on average, the cheapest month to fly to Las Vegas from Illinois, with most prices found around $244. The month of August is another great option to travel to Las Vegas, with average flight prices from Illinois averaging around $257.

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

Our data shows that Sunday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $255. Flights from Illinois to Las Vegas on a Friday will generally be more expensive and average around $337. 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 $247. Flights to Las Vegas are more costly in the morning, with an average ticket price of $322. 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 Greater Rockford 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 from Illinois to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $295 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Illinois for as low as $249 on momondo.

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

You could potentially save up to 12% 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

$105

Fastest flight time

3h 24m

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 $105. The best round-trip flight deal from Illinois to Las Vegas found on momondo in the last 72 hours is $206.
The fastest flight from Illinois to Las Vegas takes 3h 24m
Direct flights go from Illinois to Las Vegas every day.
There is 1 airport in Las Vegas. From Illinois there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

Frequently asked questions about flying from Illinois to Las Vegas

  • 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 $57Free CancellationRating
5.6
2,970 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $86Free CancellationRating
6.3
8,633 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $110Free CancellationRating
7.3
706 reviews
Search Allegiant Air flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,467 reviews
Search Delta flights
JetBluePriceFrom $140Free CancellationRating
7.1
2,967 reviews
Search JetBlue flights
American AirlinesPriceFrom $159Free CancellationRating
7.1
11,675 reviews
Search American Airlines flights
SouthwestPriceFrom $159Free CancellationRating
8.0
4,314 reviews
Search Southwest flights
United AirlinesPriceFrom $159Free CancellationRating
7.4
9,672 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $225Free CancellationRating
7.9
12,309 reviews
Search Alaska Airlines flights

Traveling to a place near Las Vegas?

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

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.

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
週四 5/28
週四 6/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States