Alaska Airlines has round-trip flights from Austin (AUS) to San Francisco, San Diego, or San Jose (SFO/SAN/SJC) for $137-$157, NONSTOP. $69-$79 each-way. Flights Tuesdays, Wednesdays, Saturdays, January to February. Origin/Destination reversible. Holiday Blackouts apply.
Note: Carry-on bag is allowed for free, but seat selection has a fee. Upgrades into “Regular Economy” are available for +$30 each-way.