How many flights depart from Illinois to Las Vegas on average per day?

As of June 2026, there are 52 flights per day flying from Illinois to Las Vegas. The most common time of day flights depart is 9:00PM, with 43% of flights taking off in the evening.

How long does it take to fly to Las Vegas?

The flight from Illinois to Las Vegas depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Moline (a popular airport in Illinois) to Las Vegas (the most popular airport in Las Vegas), then the flight time is 3h 24m on average. If you fly from Peoria (another popular airport in Illinois) to Las Vegas, then the average flight time is 3h 30m.

What is the cheapest airline that flies from Illinois to Las Vegas Harry Reid Intl?

Allegiant Air, Delta, and Southwest are the most popular carriers operating from Illinois to Las Vegas Harry Reid Intl

How many flights depart from Illinois to Las Vegas on average per week?

368 flights are operational weekly from Illinois to Las Vegas as of June 2026. The most popular departure day for this route is Tue, with 18% of flights per week taking off on this day.

What airlines fly to Las Vegas?

United Airlines, American Airlines and Allegiant Air are the top three most popular airlines that fly to Las Vegas from Illinois according to our data. United Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 8 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

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?

As of June 2026, there are 8 operators available to choose from 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.

$55 Cheap Flights from Illinois to Las Vegas in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Las Vegas

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:06 pm - 2:31 pm

MLI

LAS

3h 25mnonstop

7:05 am - 12:16 pm

LAS

MLI

3h 11mnonstop

$117Allegiant Air

Sun, Aug 23 - Thu, Aug 27

1:06 pm - 2:31 pm

MLI

LAS

3h 25mnonstop

7:05 am - 12:23 pm

LAS

MLI

3h 18mnonstop

$129Allegiant Air

Sun, Aug 30 - Thu, Sep 3

6:30 pm - 10:05 pm

STL

LAS

5h 35m

1 stop

7:50 am - 4:50 pm

LAS

STL

7h 00m

2 stops

$200Southwest

Thu, Jul 2 - Sat, Jul 4

7:10 pm - 8:43 pm

STL

LAS

3h 33mnonstop

12:50 pm - 6:15 pm

LAS

STL

3h 25mnonstop

$202Frontier

Fri, Jul 17 - Mon, Jul 20

9:45 pm - 11:15 pm

STL

LAS

3h 30mnonstop

11:25 am - 8:10 pm

LAS

STL

6h 45m

2 stops

$204Southwest

Sun, Aug 2 - Thu, Aug 6

7:10 pm - 8:43 pm

STL

LAS

3h 33mnonstop

12:50 pm - 6:15 pm

LAS

STL

3h 25mnonstop

$206Frontier

Fri, Aug 7 - Sun, Aug 9

7:20 am - 1:11 pm

ORD

LAS

7h 51m

1 stop

11:49 pm - 5:37 am

LAS

ORD

3h 48mnonstop

$224Multiple Airlines

Tue, Jul 28 - Mon, Aug 10

6:20 am - 1:58 pm

ORD

LAS

9h 38m

1 stop

11:49 pm - 5:37 am

LAS

ORD

3h 48mnonstop

$225Multiple Airlines

Tue, Aug 4 - Mon, Aug 10

6:04 pm - 10:54 pm

BMI

LAS

6h 50m

1 stop

6:00 am - 3:56 pm

LAS

BMI

7h 56m

1 stop

$329American Airlines

Wed, Jul 29 - Sat, Aug 1

4:30 pm - 9:45 pm

BMI

LAS

7h 15m

1 stop

7:20 am - 5:30 pm

LAS

BMI

8h 10m

1 stop

$339American Airlines

Wed, Jul 29 - Sat, Aug 1

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Allegiant Air flights from Illinois to Las Vegas

Our best Allegiant Air deals on Illinois to Las Vegas flight tickets

Allegiant Air

Aug 23

MLI1:06 pmMoline Quad-City

3h 25m

LAS2:31 pmLas Vegas Harry Reid Intl

Aug 27

LAS7:05 amLas Vegas Harry Reid Intl

3h 11m

MLI12:16 pmMoline Quad-City

$117

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

$129

Allegiant Air

Aug 23

MLI1:06 pmMoline Quad-City

3h 25m

LAS2:31 pmLas Vegas Harry Reid Intl

Aug 27

LAS7:05 amLas Vegas Harry Reid Intl

3h 11m

MLI12:16 pmMoline Quad-City

$137

Delta flights from Illinois to Las Vegas

Our best Delta deals on Illinois to Las Vegas flight tickets

Delta

Jul 5

STL7:55 pmLambert-St Louis

5h 49m

1 stop

LAS11:44 pmLas Vegas Harry Reid Intl

Jul 9

LAS9:32 amLas Vegas Harry Reid Intl

5h 14m

1 stop

STL4:46 pmLambert-St Louis

$217

Delta

Sep 5

MDW4:39 pmChicago Midway

8h 26m

1 stop

LAS11:05 pmLas Vegas Harry Reid Intl

Sep 8

LAS9:35 amLas Vegas Harry Reid Intl

6h 30m

1 stop

MDW6:05 pmChicago Midway

$270

Delta

Sep 12

MLI5:00 pmMoline Quad-City

7h 43m

1 stop

LAS10:43 pmLas Vegas Harry Reid Intl

Sep 22

LAS11:15 pmLas Vegas Harry Reid Intl

9h 08m

1 stop

MLI10:23 amMoline Quad-City

$271

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

MolineLas Vegas

MLI - LAS

MLILAS

Moline Quad-City

Sun 8/23

1:06 pm-2:31 pm

Nonstop3h 25m

Las Vegas Harry Reid Intl

Thu 8/27

7:05 am-12:16 pm

Nonstop3h 11m

$117

MolineLas Vegas

MLI - LAS

MLILAS

Moline Quad-City

Sun 8/30

1:06 pm-2:31 pm

Nonstop3h 25m

Las Vegas Harry Reid Intl

Thu 9/3

7:05 am-12:23 pm

Nonstop3h 18m

$129

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Thu 7/2

6:30 pm-10:05 pm

1 stop5h 35m

Las Vegas Harry Reid Intl

Sat 7/4

7:50 am-4:50 pm

2 stops7h 00m

$200

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Fri 7/17

7:10 pm-8:43 pm

Nonstop3h 33m

Las Vegas Harry Reid Intl

Mon 7/20

12:50 pm-6:15 pm

Nonstop3h 25m

$202

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 8/2

9:45 pm-11:15 pm

Nonstop3h 30m

Las Vegas Harry Reid Intl

Thu 8/6

11:25 am-8:10 pm

2 stops6h 45m

$204

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Fri 8/7

7:10 pm-8:43 pm

Nonstop3h 33m

Las Vegas Harry Reid Intl

Sun 8/9

12:50 pm-6:15 pm

Nonstop3h 25m

$206

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 7/28

7:20 am-1:11 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Mon 8/10

11:49 pm-5:37 am

Nonstop3h 48m

$224

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 8/4

6:20 am-1:58 pm

1 stop9h 38m

Las Vegas Harry Reid Intl

Mon 8/10

11:49 pm-5:37 am

Nonstop3h 48m

$225

BloomingtonLas Vegas

BMI - LAS

BMILAS

Bloomington-Normal

Wed 7/29

6:04 pm-10:54 pm

1 stop6h 50m

Las Vegas Harry Reid Intl

Sat 8/1

6:00 am-3:56 pm

1 stop7h 56m

$329

BloomingtonLas Vegas

BMI - LAS

BMILAS

Bloomington-Normal

Wed 7/29

4:30 pm-9:45 pm

1 stop7h 15m

Las Vegas Harry Reid Intl

Sat 8/1

7:20 am-5:30 pm

1 stop8h 10m

$339

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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

Prices

Airlines

Other information

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 $240. The month of August is another great option to travel to Las Vegas, with average flight prices from Illinois averaging around $253.

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 $271. Flights from Illinois to Las Vegas on a Friday will generally be more expensive and average around $370. 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 $265. Flights to Las Vegas are more costly in the morning, with an average ticket price of $344. 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 $301 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 $258 on momondo.

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

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

You could potentially save up to 8% 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	$88
Fastest flight time	3h 24m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in Las Vegas	1 airport

The best one-way flight to Las Vegas from Illinois in the past 72 hours is $88. The best round-trip flight deal from Illinois to Las Vegas found on momondo in the last 72 hours is $138.

The fastest flight from Illinois to Las Vegas takes 3h 24m

Direct flights go from Illinois to Las Vegas on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: Allegiant Air and Frontier.

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?
As of June 2026, there are 8 operators available to choose from 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?
Based on momondo bookings for flights between Illinois and Las Vegas, the leading plane model is Boeing 737-800, making up 16.99% of the total bookings. Other popular models include Airbus A321neo with 15.75%, Boeing 737-900 with 13.71%, and Boeing 737 MAX 9 with 10.78%.

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
Frontier	PriceFrom $57	Free Cancellation	Rating 5.6 2,903 reviews	Search Frontier flights
Allegiant Air	PriceFrom $118	Free Cancellation	Rating 7.3 704 reviews	Search Allegiant Air flights
Delta	PriceFrom $125	Free Cancellation	Rating 7.9 8,394 reviews	Search Delta flights
JetBlue	PriceFrom $147	Free Cancellation	Rating 7.1 2,980 reviews	Search JetBlue flights
American Airlines	PriceFrom $159	Free Cancellation	Rating 7.1 11,644 reviews	Search American Airlines flights
Southwest	PriceFrom $159	Free Cancellation	Rating 7.9 4,243 reviews	Search Southwest flights
United Airlines	PriceFrom $159	Free Cancellation	Rating 7.4 9,796 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $240	Free Cancellation	Rating 7.9 12,483 reviews	Search Alaska Airlines flights

Laughlin

Mount Charleston

Paradise

Henderson

North Las Vegas

Kingman

Mesquite

Sunrise Manor

Pahrump

Furnace Creek

Boulder City

Primm

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.

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Cheap flights from Illinois to Las Vegas from $55

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 7/8. 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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Allegiant Air flights from Illinois to Las Vegas

Our best Allegiant Air deals on Illinois to Las Vegas flight tickets

Delta flights from Illinois to Las Vegas

Our best Delta deals on Illinois to Las Vegas flight tickets

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

What is the cheapest month to fly to Las Vegas?

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

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

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

How far in advance should I book a flight from Illinois to Las Vegas?

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

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

What is the cheapest airline that flies from Illinois to Las Vegas Harry Reid Intl?

What airlines fly to Las Vegas?

How many flights depart from Illinois to Las Vegas on average per day?

How many flights depart from Illinois to Las Vegas on average per week?

How long does it take to fly to Las Vegas?

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

Fastest flight time

Direct flights

Airports in Las Vegas

Frequently asked questions about flying 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

Traveling to a place near Las Vegas?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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Fly your favorite airline to Las Vegas

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Las Vegas. Availability may vary depending on flight origin and airline.

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