Cheap Flights To Las Vegas (LAS) From Chicago (MDW)

Air

Promo Code Help
What is a promo code?
A promotion code is a series of letters and/or numbers that allow Customers to receive a discount off of Southwest Airlines' published airfares.

When entering a promotion code, only fares valid for the promotion code entered will display on the following page.

Great deals on flights to Las Vegas (LAS)With daily nonstop service and our legendary discount fares, Southwest makes it convenient — and cheap — to take in a show, enjoy the casinos, or just see the sights of Las Vegas.

Flying for business? Taking a last-minute weekend getaway? No matter why you're traveling, you can land great deals on direct flights between Chicago and Las Vegas on southwest.com. Book your direct flight online to get our lowest discount fares, or check out our vacation packages for some of our best deals on nonstop travel to Las Vegas and other favorite destinations. Then relax and enjoy your trip on Southwest Airlines!

Are your travel dates flexible? Search for our lowest fares by date.

  • The Southwest Experience

    At Southwest, we know it takes more than great deals on discount air fares and convenient daily nonstop flights to make your trip memorable. So from booking to boarding, we offer services and features designed to help ensure your travel is hassle free.

    Find out more about the Southwest Experience.

Fly Southwest - Save up to $120 Roundtrip. Bags Fly Free. Weight and size limits apply.Change Fees Don't Fly With Us. Fare difference may apply.

Redirect Arrow

This itinerary is available for booking on airtran.com*.

*Reservations booked on airtran.com will be subject to applicable bag fees or change fees. When you click continue you will be leaving southwest.com and will be transferred to airtran.com. You will be subject to the Privacy Policy and terms and conditions of use for airtran.com.

Rapid Rewards Last Activity Date

Rapid Rewards accounts will remain active and points won’t expire as long as you earn Rapid Rewards Points from flights or Partners every 24 months.

Learn More