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	$160	Frontier 1 stop 25 hr Mon, May 11 — Wed, May 20	The cheapest round-trip flight from Chicago to Las Vegas is currently $160
Cheapest one-way flight	$80	Frontier 1 stop 11 hr Tue, May 12	The cheapest one-way flight from Chicago to Las Vegas is currently $80
Cheapest nonstop flights	$208	Frontier Nonstop 5 hr Sun, Jun 14 — Mon, Jun 22	The cheapest nonstop round-trip flight from Chicago to Las Vegas is currently $208
Last-minute weekend getaway	$261	Frontier 1 stop 17 hr Sat, Apr 25 — Mon, Apr 27	The cheapest last-minute weekend getaway from Chicago to Las Vegas is currently $261
Cheapest business class flights	$434	Frontier 1 stop 25 hr Thu, Jun 4 — Wed, Jun 10	The cheapest business class round-trip flight from Chicago to Las Vegas is currently $434

Fastest flight	3 hr 50 min	The fastest nonstop flight from Chicago to Las Vegas takes 3 hr 50 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 August. The most expensive month to fly is typically March.

August Cheapest	Typical prices: $110–195
March Most expensive	Typical prices: $160–330

Popular airlines from Chicago to Las Vegas

Southwest

Nonstop

from $251

Typical price: $205–400

61 weekly nonstop flights

MDW, ORD - LAS Every day

2584 weekly connecting flights

MDW, ORD - LAS Every day
United

Nonstop

from $250

Typical price: $200–430

51 weekly nonstop flights

ORD - LAS Every day

400 weekly connecting flights

ORD - LAS Every day
American

Nonstop

from $241

Typical price: $200–430

48 weekly nonstop flights

ORD - LAS Every day

480 weekly connecting flights

ORD - LAS Every day
Delta

from $261

Typical price: $250–550

492 weekly connecting flights

MDW, ORD - LAS Every day
Frontier

Nonstop

from $160

Typical price: $145–310

7 weekly nonstop flights

ORD - LAS Every day

54 weekly connecting flights

MDW, ORD - LAS Every day
Spirit

Nonstop

from $246

Typical price: $135–355

1 weekly nonstop flight

ORD - LAS Every Sun

13 weekly connecting flights

ORD - LAS Every Mon, Wed, Thu, Fri, Sat, Sun

Popular airports near Chicago

Chicago O'Hare International Airport (ORD)

Chicago United States 26 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 23 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
Boulder City Municipal Airport (BLD)

Boulder City United States 26 min 22 mi
Ontario International Airport (ONT)

Ontario United States 3 hr 31 min 201 mi

Frequently asked questions about flying from Chicago to Las Vegas

The cheapest flights from Chicago to Las Vegas are usually in August. Typical ticket prices in August range from $110 to $195.

The cheapest round-trip flight from Chicago to Las Vegas recently found on Google Flights was with Frontier from $160. The cheapest one-way flight was with Frontier from $80.

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

The cheapest Southwest flight from Chicago to Las Vegas is $251, flying from May 28 to Jun 3.
The cheapest United flight from Chicago to Las Vegas is $250, flying from Jun 1 to Jun 9.
The cheapest American flight from Chicago to Las Vegas is $241, flying from May 28 to Jun 3.
The cheapest Delta flight from Chicago to Las Vegas is $261, flying from May 28 to Jun 3.
The cheapest Frontier flight from Chicago to Las Vegas is $160, flying from May 11 to May 20.
The cheapest Spirit flight from Chicago to Las Vegas is $246, flying from Jul 4 to Jul 11.

The cheapest round-trip flight from Chicago to Las Vegas starts at $160 from Mon, May 11 to Wed, May 20. The cheapest one-way flight starts at $80 and departs on Tue, May 12.

3 hr 50 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 61 nonstop flights and 2,584 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 51 nonstop flights and 400 connecting flights per week. United flies from Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) .
American offers 48 nonstop flights and 480 connecting flights per week. American flies from Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) .
Delta offers 492 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 7 nonstop flights and 54 connecting flights per week. Frontier flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) .
Spirit offers 1 nonstop flights and 13 connecting flights per week. Spirit 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 $160. The cheapest one-way flight was with Frontier from $80.

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

The cheapest Southwest flight from Chicago to Las Vegas is $251, flying from May 28 to Jun 3.
The cheapest United flight from Chicago to Las Vegas is $250, flying from Jun 1 to Jun 9.
The cheapest American flight from Chicago to Las Vegas is $241, flying from May 28 to Jun 3.
The cheapest Delta flight from Chicago to Las Vegas is $261, flying from May 28 to Jun 3.
The cheapest Frontier flight from Chicago to Las Vegas is $160, flying from May 11 to May 20.
The cheapest Spirit flight from Chicago to Las Vegas is $246, flying from Jul 4 to Jul 11.

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

There are 61 Southwest direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 51 United direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 48 American direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 7 Frontier direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 1 Spirit direct flights from Chicago to Las Vegas per week. Flights are available on 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 $261 is offered by Frontier from Sat, Apr 25 to Mon, Apr 27.

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

There are 61 Southwest direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 51 United direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 48 American direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 7 Frontier direct flights from Chicago to Las Vegas per week. Flights are available every day.
There are 1 Spirit direct flights from Chicago to Las Vegas per week. Flights are available on 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 $208 from Sun, Jun 14 to Mon, Jun 22 with Frontier.

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 $434 from Thu, Jun 4 to Wed, Jun 10 with Frontier.

The cheapest economy class round-trip flights between Chicago and Las Vegas start at $160 from Mon, May 11 to Wed, May 20.

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 $261 from Sat, Apr 25 to Mon, Apr 27 with Frontier.

The cheapest last-minute deal between Chicago and Las Vegas at price $261 is offered by Frontier from Sat, Apr 25 to Mon, Apr 27.

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.