What airlines fly to Las Vegas?

United Airlines, Allegiant Air and American Airlines 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 29% 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.

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

360 flights are operational weekly from Illinois to Las Vegas as of July 2026. The most popular departure day for this route is Fri, with 19% of flights per week taking off on this day.

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

Allegiant Air, Alaska Airlines, and United Airlines 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 day?

As of July 2026, there are 51 flights per day flying from Illinois to Las Vegas. The most common time of day flights depart is 8:00PM, with 37% 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.

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 July 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.

$75 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 - 12:23 pm

LAS

MLI

3h 18mnonstop

$117Allegiant Air

Sun, Aug 30 - Thu, Sep 3

1:06 pm - 2:31 pm

MLI

LAS

3h 25mnonstop

7:05 am - 12:23 pm

LAS

MLI

3h 18mnonstop

$123Allegiant Air

Sun, Aug 30 - Thu, Sep 3

6:17 pm - 11:48 am

STL

LAS

19h 31m

2 stops

8:15 am - 7:13 pm

LAS

STL

8h 58m

1 stop

$174Frontier

Sun, Aug 30 - Thu, Sep 3

4:57 pm - 11:48 am

STL

LAS

20h 51m

2 stops

8:15 am - 7:13 pm

LAS

STL

8h 58m

1 stop

$179Frontier

Mon, Aug 17 - Thu, Aug 27

10:05 am - 9:44 pm

EVV

LAS

13h 39m

1 stop

9:41 pm - 3:49 pm

LAS

EVV

16h 08m

1 stop

$280Multiple Airlines

Sun, Aug 30 - Fri, Sep 4

3:46 pm - 9:00 pm

EVV

LAS

31h 14m

2 stops

9:41 pm - 3:49 pm

LAS

EVV

16h 08m

1 stop

$304Multiple Airlines

Sun, Aug 30 - Fri, Sep 4

6:32 am - 12:54 pm

BMI

LAS

8h 22m

1 stop

6:00 am - 4:19 pm

LAS

BMI

8h 19m

1 stop

$329American Airlines

Wed, Aug 12 - Sat, Aug 15

3:10 pm - 9:59 pm

BMI

LAS

8h 49m

2 stops

9:05 am - 4:38 pm

LAS

BMI

5h 33m

1 stop

$334United Airlines

Sat, Dec 5 - Sat, Dec 12

9:44 am - 5:57 pm

BMI

LAS

10h 13m

2 stops

11:30 pm - 8:57 am

LAS

BMI

7h 27m

1 stop

$344United Airlines

Thu, Dec 10 - Sun, Dec 13

1:35 pm - 8:37 pm

BMI

LAS

9h 02m

1 stop

3:39 pm - 11:59 pm

LAS

BMI

6h 20m

1 stop

$357American Airlines

Sun, Aug 9 - Fri, Aug 14

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Frontier flights from Illinois to Las Vegas

Our best Frontier deals on Illinois to Las Vegas flight tickets

Frontier

Aug 30

STL6:17 pmLambert-St Louis

19h 31m

2 stops

LAS11:48 amLas Vegas Harry Reid Intl

Sep 3

LAS8:15 amLas Vegas Harry Reid Intl

8h 58m

1 stop

STL7:13 pmLambert-St Louis

$174

Frontier

Aug 17

STL4:57 pmLambert-St Louis

20h 51m

2 stops

LAS11:48 amLas Vegas Harry Reid Intl

Aug 27

LAS8:15 amLas Vegas Harry Reid Intl

8h 58m

1 stop

STL7:13 pmLambert-St Louis

$179

Frontier

Aug 17

STL8:08 pmLambert-St Louis

16h 52m

1 stop

LAS11:00 amLas Vegas Harry Reid Intl

Aug 20

LAS6:00 amLas Vegas Harry Reid Intl

11h 13m

1 stop

STL7:13 pmLambert-St Louis

$186

Allegiant Air flights from Illinois to Las Vegas

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

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

$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

$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

$129

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

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

$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

$123

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 8/30

6:17 pm-11:48 am

2 stops19h 31m

Las Vegas Harry Reid Intl

Thu 9/3

8:15 am-7:13 pm

1 stop8h 58m

$174

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Mon 8/17

4:57 pm-11:48 am

2 stops20h 51m

Las Vegas Harry Reid Intl

Thu 8/27

8:15 am-7:13 pm

1 stop8h 58m

$179

EvansvilleLas Vegas

EVV - LAS

EVVLAS

Evansville Dress Regional

Sun 8/30

10:05 am-9:44 pm

1 stop13h 39m

Las Vegas Harry Reid Intl

Fri 9/4

9:41 pm-3:49 pm

1 stop16h 08m

$280

EvansvilleLas Vegas

EVV - LAS

EVVLAS

Evansville Dress Regional

Sun 8/30

3:46 pm-9:00 pm

2 stops31h 14m

Las Vegas Harry Reid Intl

Fri 9/4

9:41 pm-3:49 pm

1 stop16h 08m

$304

BloomingtonLas Vegas

BMI - LAS

BMILAS

Bloomington-Normal

Wed 8/12

6:32 am-12:54 pm

1 stop8h 22m

Las Vegas Harry Reid Intl

Sat 8/15

6:00 am-4:19 pm

1 stop8h 19m

$329

BloomingtonLas Vegas

BMI - LAS

BMILAS

Bloomington-Normal

Sat 12/5

3:10 pm-9:59 pm

2 stops8h 49m

Las Vegas Harry Reid Intl

Sat 12/12

9:05 am-4:38 pm

1 stop5h 33m

$334

BloomingtonLas Vegas

BMI - LAS

BMILAS

Bloomington-Normal

Thu 12/10

9:44 am-5:57 pm

2 stops10h 13m

Las Vegas Harry Reid Intl

Sun 12/13

11:30 pm-8:57 am

1 stop7h 27m

$344

BloomingtonLas Vegas

BMI - LAS

BMILAS

Bloomington-Normal

Sun 8/9

1:35 pm-8:37 pm

1 stop9h 02m

Las Vegas Harry Reid Intl

Fri 8/14

3:39 pm-11:59 pm

1 stop6h 20m

$357

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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 January is, on average, the cheapest month to fly to Las Vegas from Illinois, with most prices found around $250. The month of August is another great option to travel to Las Vegas, with average flight prices from Illinois averaging around $259.

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 $279. Flights from Illinois to Las Vegas on a Friday will generally be more expensive and average around $375. 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 $267. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $356. Departure times in the afternoon 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 Moline Quad-City 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 $314 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 $269 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?

No. A direct flight is the cheapest option for a flight between Illinois 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	$123
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 $123. The best round-trip flight deal from Illinois to Las Vegas found on momondo in the last 72 hours is $182.

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?
As of July 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 Airbus A321neo, making up 20.25% of the total bookings. Other popular models include Boeing 737-800 with 17.91%, Boeing 737-900 with 13.11%, and Boeing 737 MAX 9 with 10.24%.

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 $58	Free Cancellation	Rating 5.6 2,771 reviews	Search Frontier flights
Allegiant Air	PriceFrom $118	Free Cancellation	Rating 7.3 681 reviews	Search Allegiant Air flights
Delta	PriceFrom $125	Free Cancellation	Rating 7.8 8,488 reviews	Search Delta flights
JetBlue	PriceFrom $147	Free Cancellation	Rating 7.1 3,024 reviews	Search JetBlue flights
American Airlines	PriceFrom $159	Free Cancellation	Rating 7.1 11,851 reviews	Search American Airlines flights
United Airlines	PriceFrom $161	Free Cancellation	Rating 7.4 10,034 reviews	Search United Airlines flights
Southwest	PriceFrom $164	Free Cancellation	Rating 8.0 4,233 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $240	Free Cancellation	Rating 7.9 12,713 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 $75

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 9/11. 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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Frontier flights from Illinois to Las Vegas

Our best Frontier deals on Illinois to Las Vegas flight tickets

Allegiant Air flights from Illinois to Las Vegas

Our best Allegiant Air 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

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

Airports servicing Nevada

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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