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$106 Find Cheap Flights from Illinois to Las Vegas - Compare and Save

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1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Illinois to Las Vegas

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Las Vegas

Sun, Jan 24 - Thu, Jan 28
Allegiant Air Logo
12:47 pm - 2:23 pmMLI  Moline Quad-City-LAS Las Vegas Harry Reid Intl
3h 36mnonstop
Allegiant Air Logo
6:45 am - 11:57 amLAS  Las Vegas Harry Reid Intl-MLI Moline Quad-City
3h 12mnonstop
$113Allegiant Air
Sun, Jan 24 - Thu, Jan 28
Allegiant Air Logo
12:47 pm - 2:23 pmMLI  Moline Quad-City-LAS Las Vegas Harry Reid Intl
3h 36mnonstop
Allegiant Air Logo
6:45 am - 11:57 amLAS  Las Vegas Harry Reid Intl-MLI Moline Quad-City
3h 12mnonstop
$117Allegiant Air
Sun, Jan 24 - Thu, Jan 28
Multiple Airlines Logo
11:30 am - 9:38 amPIA  Greater Peoria-LAS Las Vegas Harry Reid Intl
24h 08m1 stop Phoenix-Mesa Gateway
Multiple Airlines Logo
3:13 pm - 8:36 pmLAS  Las Vegas Harry Reid Intl-PIA Greater Peoria
3h 23mnonstop
$203Multiple Airlines
Fri, Jan 1 - Tue, Jan 5
Frontier Logo
4:08 pm - 10:54 pmORD  Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
8h 46m1 stop Houston George Bush Intcntl
Frontier Logo
9:13 pm - 12:26 amLAS  Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
25h 13m1 stop Denver Intl
$246Frontier
Sun, Nov 22 - Thu, Nov 26
Frontier Logo
5:15 am - 7:27 amORD  Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 12mnonstop
Frontier Logo
3:24 pm - 12:53 amLAS  Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
7h 29m1 stop Denver Intl
$246Frontier
Tue, Feb 23 - Tue, Mar 9
Multiple Airlines Logo
5:40 am - 12:25 pmORD  Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
8h 45m1 stop Los Angeles
Multiple Airlines Logo
6:00 am - 1:54 pmLAS  Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
5h 54m1 stop San Diego
$248Multiple Airlines
Wed, Mar 3 - Sat, Mar 6
Alaska Airlines Logo
2:54 pm - 8:24 pmORD  Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
7h 30m1 stop San Diego
Alaska Airlines Logo
10:17 am - 6:55 pmLAS  Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
6h 38m1 stop San Diego
$252Alaska Airlines
Mon, Dec 7 - Fri, Dec 11
Southwest Logo
8:50 pm - 11:00 pmMDW  Chicago Midway-LAS Las Vegas Harry Reid Intl
4h 10mnonstop
Southwest Logo
12:20 am - 5:40 amLAS  Las Vegas Harry Reid Intl-MDW Chicago Midway
3h 20mnonstop
$259Southwest
Tue, Dec 1 - Fri, Dec 4
Southwest Logo
8:50 pm - 11:00 pmMDW  Chicago Midway-LAS Las Vegas Harry Reid Intl
4h 10mnonstop
Southwest Logo
6:50 pm - 12:15 amLAS  Las Vegas Harry Reid Intl-MDW Chicago Midway
3h 25mnonstop
$259Southwest
Wed, Mar 3 - Sat, Mar 6
Alaska Airlines Logo
2:54 pm - 8:24 pmORD  Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
7h 30m1 stop San Diego
Alaska Airlines Logo
2:04 pm - 11:59 pmLAS  Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
7h 55m1 stop Seattle/Tacoma Intl
$265Alaska Airlines
Useful Info

Good to know

Low season

August

Cheapest flight

$106
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Moline to Las Vegas

Flights from Illinois to Las Vegas: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Illinois to Las Vegas 
Verified travelerFlew with United Airlines-Mar 2025
If you can select your seats in advance please do
Verified travelerFlew with Spirit Airlines-Sep 2024
Make sure you get your seats booked at time of booking or at the least when you check in and make sure you check in at the earliest to have preferred seating.

FAQs for booking flights from Illinois to Las Vegas

  • How does KAYAK find such low prices on flights from Illinois to Las Vegas?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Las Vegas.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Las Vegas?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Las Vegas from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Las Vegas?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Las Vegas with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Las Vegas?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Las Vegas from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Winchester
Sunrise Manor
Primm

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