Cheap Flights: Austin to/from New York, Boston, Chicago, San Diego, Portland, Seattle, Oakland, or Santa Ana $163-$186 [August-November] â Southwest Southwest has round-trip flights from Austin (AUS) to New York, Boston, Chicago, San Diego, Portland, Seattle, Oakland, or Santa Ana (LGA, BOS, MDW, SAN, PDX, SEA, OAK, SNA) for $163-$196, NONSTOP. $83-$93 each-way. Flights August to November. Origin/Destination reversible. Samâs Club is selling $500 Southwest gift cards for $449 [linked]. You can save an additional $50 on Southwest flights if you travel often enough or with a big enough group to burn through the gift card credit. Carry-on and checked bag are allowed for free. Southwest doesnât charge change fees. Click for more details and booking links Cheap Flights: Austin to/from New York, Boston, Chicago, San Diego, Portland, Seattle, Oakland, or Santa Ana $163-$186 [August-November] â Southwest . | Read More |