Fly nonstop from Chicago to Las Vegas for $173 round-trip on Southwest.
Searching Southwest, we found seats departing ORD on Tuesday, May 24, returning from LAS on Wednesday, June 1.
Other dates are also available for travel on Tuesdays/Wednesdays through June.
See our fare details for booking info.
Need a room in Vegas? Here's what's available for the above dates on Hotelwatchdog.