LAS

$63 Find Cheap Flights from Illinois to Las Vegas

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Las Vegas departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$121
Overall average: $222
Multiple Airlines
Thu 1/8Mon 1/12
ORD - LAS • Non-stop
Cheapest non-stop
$122
Typical prices: $146-$338
Frontier
Sun 1/4Fri 1/9
ORD - LAS • Non-stop
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We hope you love your trip to Las Vegas!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to Las Vegas

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Las Vegas that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Las Vegas

Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
10:32 pm - 12:41 am
ORD
-
LAS
4h 09mnonstop
Multiple Airlines Logo
7:07 am - 12:42 am
LAS
-
ORD
15h 35m2 stops
$121Multiple Airlines
Sun, Jan 4 - Fri, Jan 9
Frontier Logo
10:49 pm - 12:58 am
ORD
-
LAS
4h 09mnonstop
Frontier Logo
3:42 pm - 9:32 pm
LAS
-
ORD
3h 50mnonstop
$122Frontier
Mon, Jan 12 - Thu, Jan 15
Frontier Logo
3:00 pm - 11:34 pm
MDW
-
LAS
10h 34m1 stop
Frontier Logo
10:59 am - 11:47 am
LAS
-
MDW
22h 48m1 stop
$122Frontier
Sun, Feb 1 - Wed, Feb 4
Frontier Logo
8:40 am - 5:37 pm
ORD
-
LAS
10h 57m1 stop
Frontier Logo
4:17 pm - 6:31 pm
LAS
-
ORD
24h 14m1 stop
$123Frontier
Wed, Jan 7 - Sat, Jan 10
Multiple Airlines Logo
7:57 pm - 10:11 pm
ORD
-
LAS
4h 14mnonstop
Multiple Airlines Logo
9:00 am - 5:41 pm
LAS
-
ORD
6h 41m1 stop
$124Multiple Airlines
Sat, Jan 3 - Thu, Jan 8
Allegiant Air Logo
12:15 pm - 1:56 pm
RFD
-
LAS
3h 41mnonstop
Allegiant Air Logo
7:10 am - 12:34 pm
LAS
-
RFD
3h 24mnonstop
$125Allegiant Air
Sun, Jan 11 - Tue, Jan 20
United Airlines Logo
9:05 pm - 11:19 pm
ORD
-
LAS
4h 14mnonstop
United Airlines Logo
11:30 pm - 5:06 am
LAS
-
ORD
3h 36mnonstop
$125United Airlines
Sat, Feb 28 - Tue, Mar 3
American Airlines Logo
8:48 pm - 10:54 pm
ORD
-
LAS
4h 06mnonstop
American Airlines Logo
6:00 am - 11:41 am
LAS
-
ORD
3h 41mnonstop
$126American Airlines
Sun, Jan 11 - Thu, Jan 29
Allegiant Air Logo
9:26 pm - 11:01 pm
MLI
-
LAS
3h 35mnonstop
Allegiant Air Logo
3:20 pm - 8:36 pm
LAS
-
MLI
3h 16mnonstop
$128Allegiant Air
Tue, Jan 6 - Thu, Jan 8
American Airlines Logo
7:40 pm - 9:48 pm
ORD
-
LAS
4h 08mnonstop
American Airlines Logo
8:00 am - 1:43 pm
LAS
-
ORD
3h 43mnonstop
$128American Airlines
Useful Info

Good to know

Low seasonJune
Cheapest flight$63
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly with an average 6% increase in price.
Flight from Chicago Midway Airport 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 
Learn how KAYAK collects reviews and tips from users.
Verified travelerFlew with United Airlines
ORD
-
LAS
Mar 2025
If you can select your seats in advance please do
Verified travelerFlew with Spirit Airlines
ORD
-
LAS
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
Primm
Winchester
Sunrise Manor

Everything you need to know for your flight to Las Vegas

Information on the airport you'll fly into in Las Vegas

Las Vegas (LAS)