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Find cheap one-way flights from Chicago to Las Vegas starting at US$36.

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

  • One way
  • Round-trip

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

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Chicago to Las Vegas

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From US$42
Spirit Airlines
From US$56
Allegiant Air
From US$64
Southwest Airlines
From US$90
Alaska Airlines
From US$98
Delta Air Lines
From US$104
Sun Country Airlines
From US$168
Jetblue Airways
From US$272
American Airlines
From US$429
United Airlines
From US$429
ANA airlines

Find more flights and airlines

Find cheap flights from Chicago to Las Vegas by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Chicago to Las Vegas.

  • Cheapest
    Frontier Airlines
    MDW
    22:59
    4h 4m
    Direct
    LAS
    01:03
    Midway International Airport - Harry Reid International Airport
    Tue, May 14Frontier Airlines
    US$42
  • Spirit Airlines
    ORD
    17:06
    16h 47m
    1 transfer
    LAS
    07:53
    O'Hare International Airport - Harry Reid International Airport
    Tue, May 7Spirit Airlines
    US$56
  • Allegiant Air
    RFD
    20:56
    3h 57m
    Direct
    LAS
    22:53
    Chicago Rockford International Airport - Harry Reid International Airport
    Sun, Apr 14Allegiant Air
    US$64
  • Allegiant Air
    RFD
    20:56
    3h 57m
    Direct
    LAS
    22:53
    Chicago Rockford International Airport - Harry Reid International Airport
    Sun, Apr 14Allegiant Air
    US$64
    Find More Flights

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 $245.
  • How long does it take to fly from Chicago (CHI) to Las Vegas (LAS) and what is the distance?

    It takes around 4 hours 20 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): United Airlines, Southwest Airlines, Aer Lingus, Royal Jordanian and Spirit Airlines.

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.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Chicago to Las Vegas Flight Information

Cheapest nonstop flight price

$36

Cheapest round-trip ticket price

$76

Off-season for travel

January

Peak season for travel

July

Flight distance

2,453.29km

Average flight time

4 hours 20 minutes

Popular airline

American Airlines