Travelzoo offers select American Airlines roundtrip fares in the U.S. with prices starting at $138. (Click on "American Airlines" in the headline to see this sale; all taxes are included.) This price is valid on flights departing from Los Angeles, CA, (LAX) to Las Vegas, NV, (LAS) on May 12 with return on May 21; prices vary depending on the departure cities and dates chosen. That's the lowest current rate we could find for select routes by $17. Book this travel deal by April 17 for travel through June 7. Other notable fares: