Find Cheap Flights from Chicago to Las Vegas (CHI - LAS)

Flights overview

Useful information for finding cheap flights from Chicago to Las Vegas and booking your next trip

Cheapest round-trip flights	$95	Frontier Nonstop 5 hr Fri, Feb 27 — Fri, Mar 6	The cheapest round-trip flight from Chicago to Las Vegas is currently $95
Cheapest one-way flight	$34	Frontier Nonstop 5 hr Tue, Mar 10	The cheapest one-way flight from Chicago to Las Vegas is currently $34
Cheapest nonstop flights	$182	Spirit Nonstop 5 hr Thu, Apr 23 — Wed, Apr 29	The cheapest nonstop round-trip flight from Chicago to Las Vegas is currently $182
Last-minute weekend getaway	$221	Frontier Nonstop 5 hr Fri, Jan 30 — Mon, Feb 2	The cheapest last-minute weekend getaway from Chicago to Las Vegas is currently $221
Cheapest business class flights	$845	Alaska 1 stop 9 hr Mon, Mar 9 — Wed, Mar 18	The cheapest business class round-trip flight from Chicago to Las Vegas is currently $845

Fastest flight	3 hr 55 min	The fastest nonstop flight from Chicago to Las Vegas takes 3 hr 55 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Chicago to Las Vegas is typically April. The most expensive month to fly is typically June.

April Cheapest	Typical prices: $100–180
June Most expensive	Typical prices: $135–205

Popular airlines from Chicago to Las Vegas

Southwest

Nonstop

from $159

Typical price: $200–405

49 weekly nonstop flights

MDW, ORD - LAS Every day

2554 weekly connecting flights

MDW, ORD - LAS Every day
United

Nonstop

from $159

Typical price: $195–420

44 weekly nonstop flights

ORD - LAS Every day

558 weekly connecting flights

ORD - LAS Every day
American

Nonstop

from $179

Typical price: $200–420

20 weekly nonstop flights

ORD - LAS Every day

425 weekly connecting flights

ORD - LAS Every day
Delta

from $253

Typical price: $245–550

448 weekly connecting flights

MDW, ORD - LAS Every day
Frontier

Nonstop

from $95

Typical price: $140–300

2 weekly nonstop flights

ORD - LAS Every Fri, Sun

42 weekly connecting flights

MDW, ORD - LAS Every day
Alaska

from $208

Typical price: $265–600

54 weekly connecting flights

ORD - LAS Every day

Popular airports near Chicago

Chicago O'Hare International Airport (ORD)

Chicago United States 27 min 16 mi
Chicago Midway International Airport (MDW)

Chicago United States 25 min 9 mi
Milwaukee Mitchell International Airport (MKE)

Milwaukee United States 1 hr 24 min 75 mi
Indianapolis International Airport (IND)

Indianapolis United States 2 hr 58 min 165 mi

Popular airports near Las Vegas

Harry Reid International Airport (LAS)

Las Vegas United States 16 min 6 mi
St. George Regional Airport (SGU) (SGU)

St. George United States 1 hr 52 min 108 mi
Ontario International Airport (ONT)

Ontario United States 3 hr 32 min 201 mi
Boulder City Municipal Airport (BLD)

Boulder City United States 26 min 22 mi

Frequently asked questions about flying from Chicago to Las Vegas

The cheapest flights from Chicago to Las Vegas are usually in April. Typical ticket prices in April range from $100 to $180.

The cheapest round-trip flight from Chicago to Las Vegas recently found on Google Flights was with Frontier from $95. The cheapest one-way flight was with Frontier from $34.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Chicago to Las Vegas is $159, flying from Feb 22 to Feb 28.
The cheapest United flight from Chicago to Las Vegas is $159, flying from Feb 22 to Mar 3.
The cheapest American flight from Chicago to Las Vegas is $179, flying from Mar 1 to Mar 10.
The cheapest Delta flight from Chicago to Las Vegas is $253, flying from Feb 7 to Feb 13.
The cheapest Frontier flight from Chicago to Las Vegas is $95, flying from Feb 27 to Mar 6.
The cheapest Alaska flight from Chicago to Las Vegas is $208, flying from Feb 22 to Mar 3.

The cheapest round-trip flight from Chicago to Las Vegas starts at $95 from Fri, Feb 27 to Fri, Mar 6. The cheapest one-way flight starts at $34 and departs on Tue, Mar 10.

3 hr 55 min is the shortest flight time from Chicago to Las Vegas.

Las Vegas is a busy year-round destination with a subtropical desert climate. There's no specific peak season, but crowds and prices increase around holidays and the many annual conventions. Popular events include the Consumer Electronic Show (Jan), the Project fashion trade show (Feb and Aug), NASCAR Weekend (Mar), the National Finals Rodeo (Dec), and New Year's Eve. During summer (Jun–Aug), extremely high daytime temperatures may make outdoor activities like golf and canyon hiking inadvisable.

It's easy to use Google Flights to find the cheapest days to fly from Chicago to Las Vegas.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Chicago to Las Vegas really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Chicago to Las Vegas.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 49 nonstop flights and 2,554 connecting flights per week. Southwest flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) .

Other popular airlines flying from Chicago to Las Vegas are:

United offers 44 nonstop flights and 558 connecting flights per week. United flies from Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) .
American offers 20 nonstop flights and 425 connecting flights per week. American flies from Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) .
Delta offers 448 connecting flights per week. Delta flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) .
Frontier offers 2 nonstop flights and 42 connecting flights per week. Frontier flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) .
Alaska offers 54 connecting flights per week. Alaska flies from Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) .

The number of connecting flights refers to distinct flights with at least one stop between Chicago and Las Vegas.

The cheapest round-trip flight from Chicago to Las Vegas recently found on Google Flights was with Frontier from $95. The cheapest one-way flight was with Frontier from $34.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Chicago to Las Vegas is $159, flying from Feb 22 to Feb 28.
The cheapest United flight from Chicago to Las Vegas is $159, flying from Feb 22 to Mar 3.
The cheapest American flight from Chicago to Las Vegas is $179, flying from Mar 1 to Mar 10.
The cheapest Delta flight from Chicago to Las Vegas is $253, flying from Feb 7 to Feb 13.
The cheapest Frontier flight from Chicago to Las Vegas is $95, flying from Feb 27 to Mar 6.
The cheapest Alaska flight from Chicago to Las Vegas is $208, flying from Feb 22 to Mar 3.

Southwest, United, American and Frontier fly direct from Chicago to Las Vegas.

There are 49 Southwest direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 44 United direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 20 American direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 2 Frontier direct flights from Chicago to Las Vegas per week. Flights are available on Friday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Chicago and Las Vegas at price $221 is offered by Frontier from Fri, Jan 30 to Mon, Feb 2.

Southwest, United, American and Frontier fly direct from Chicago to Las Vegas.

There are 49 Southwest direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 44 United direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 20 American direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 2 Frontier direct flights from Chicago to Las Vegas per week. Flights are available on Friday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Chicago to Las Vegas on a daily basis.

The cheapest direct (nonstop) round-trip flights between Chicago and Las Vegas start at $182 from Thu, Apr 23 to Wed, Apr 29 with Spirit.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Chicago to Las Vegas, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Chicago and Las Vegas start at $845 from Mon, Mar 9 to Wed, Mar 18 with Alaska.

The cheapest economy class round-trip flights between Chicago and Las Vegas start at $95 from Fri, Feb 27 to Fri, Mar 6.

To book business class trips from Chicago to Las Vegas, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Chicago and Las Vegas starts at $221 from Fri, Jan 30 to Mon, Feb 2 with Frontier.

The cheapest last-minute deal between Chicago and Las Vegas at price $221 is offered by Frontier from Fri, Jan 30 to Mon, Feb 2.

To find last-minute flight deals from Chicago to Las Vegas, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.