Find cheap flights from Chicago to Las Vegas

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Chicago to Las Vegas?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When are flight tickets from Chicago (CHI) to Las Vegas (LAS) the cheapest?

Airlines adjust prices for flights from Chicago to Las Vegas based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Chicago (CHI) to Las Vegas (LAS) cost?

According to Trip.com's data, the lowest price is around $258.
How long does it take to fly from Chicago (CHI) to Las Vegas (LAS) and what is the distance?

It takes around 4 hours 31 minutes to fly from Chicago (CHI) to Las Vegas (LAS).
What are the most popular airlines that fly from Chicago (CHI) to Las Vegas (LAS)?

Airlines with flights from Chicago (CHI) to Las Vegas (LAS): American Airlines, United Airlines, Southwest Airlines, British Airways, Frontier Airlines, Qatar Airways, avianca and Volaris.

How to find a cheap flight from Chicago to Las Vegas

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chicago to Las Vegas. Book your flights at the right time and save more.

Being flexible with your dates to get the cheapest Chicago to Las Vegas ticket.

Tap "Date" on flight search bar to scan through the calender for Chicago to Las Vegas airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Tue, Apr 8 at US$29 for one-way flights.

Compare cheap Chicago to Las Vegas flight deals from over hundreds of airlines.

Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Chicago to Las Vegas. The cheapest airline operating is Frontier Airlines.

Set up a Price Alert

By setting up a Price Alert for your Chicago to Las Vegas route, you can easily track the price of your airline tickets from Chicago to Las Vegas without manually checking every day.

Don't miss cheap Chicago to Las Vegas flight deals and promo codes.

You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.

Book early or wait unitl the last minute.

It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.

Search for flights on the go.

To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Chicago to Las Vegas to get exclusive deals for you.

Chicago to Las Vegas Flight Information

Cheapest one-way flight price	$29
Cheapest round-trip ticket price	$51
Off-season for travel	April
Peak season for travel	December
Flight distance	2,453.29 km
Average flight time	4 hours 31 minutes
Popular airline	Frontier Airlines