| Nonstop Flights: Austin to/from San Diego $120-$126 r/t [February-March] â Alaska Airlines / Priceline Express Alaska Airlines has round-trip flights from Austin (AUS) to San Diego (SAN) for $126, NONSTOP. Flights February to March. A few weekends available. Origin/Destination reversible. Priceline has âExpress Dealsâ for about $120. With âExpress Dealsâ the airline and exact flight are hidden until after purchase and those purchases are final. There is no 24-hour free cancellation for âExpress Dealsâ. The flight is guaranteed to be on a major airline. Be sure to select the deal with 0 to 1 stops and a layover less than 3-hours. Click for more details and booking links Nonstop Flights: Austin to/from San Diego $120-$126 r/t [February-March] â Alaska Airlines / Priceline Express . | 
