Delta Airlines offers select roundtrip fares in the U.S. with prices starting at $136.20. (Click on "Delta.com" in the top line to see this sale; roundtrip purchase is required and all taxes are included.) That's the lowest price we could find for these routes by $16 and the second-best base rate we've seen this year. This price is valid on flights departing from Los Angeles, CA, (LAX) with arrival in Sacremento, CA, (SMF) on September 23 with return on September 30. Book this travel deal by September 18 for travel through March 5, 2015. Click here to see more routes.