Travelzoo offers select American Airlines roundtrip fares in the U.S. with prices starting at $144.20. That's the lowest current rate we could find for select routes by $9. This price is valid on flights departing from Los Angeles, CA, (LAX) with arrival in Las Vegas, NV, (LAS) on September 3 with return on September 10. Book this travel deal by July 31 for travel August 25 through December 17. Click here to see more routes.