Aeromexico has round-trip flights from San Antonio (SAT) to Mexico City (MEX) for $219-$229, NONSTOP. Flights in January. No Sunday departures. Weekends available.
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Delta and American have round-trip flights from Austin (AUS) to Los Angeles (LAX) for $97, NONSTOP. Flights January to February. Weekends available. Origin/Destination reversible.
United has round-trip flights from Austin (AUS) to Cozumel (CZM) for $223-$238 with a connection. Flights December to January. Weekends available. Origin/Destination reversible.
American has a few matched dates available, but the majority is on United.
JetBlue has round-trip flights from Austin (AUS) to Nassau, Bahamas (NAS) for $227-$247 with a connection. Flights January to February. Departures on Saturday. Origin/Destination reversible.
American Airlines has round-trip flights from Austin (AUS) to San Jose del Cabo (SJD) for $181-$204, NONSTOP or with connections. Flights December to January. Weekends available. Origin/Destination reversible.
JetBlue has round-trip flights from Austin (AUS) to Sint Maarten (SXM) for $238-$270 with a connection. Flights January to February. Departures on Thursday and Saturday. Origin/Destination reversible.

Nonstop Flights: Austin or San Antonio to/from New York/Newark $117 r/t [January-February] – JetBlue
JetBlue has round-trip flights from Austin or San Antonio (AUS/SAT) to New York/Newark (JFK/EWR) for $117, NONSTOP. Flights January to February. Weekends available. Origin/Destination reversible.
JetBlue has round-trip flights from Austin (AUS) to Fort Lauderdale (FLL) for $57, NONSTOP. Flights January to February. Weekends available. Origin/Destination reversible.
United has round-trip flights from Austin (AUS) to San Francisco (SFO) for $93, NONSTOP. Flights January to March. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
If you’re flying with two people, you can plug in most of these dates into Alaska Airlines and take advantage of the Buy-One-Get-One sale that is going on now. Use Coupon Code “STARBUCKS” at checkout. The Alaska Airlines fare allows for a free carry-on bag, which makes it a better deal.
United has round-trip flights from Austin (AUS) to Los Angeles (LAX) for $79-$88, NONSTOP. Flights January to March. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
If you’re flying with two people, you can plug in most of these dates into Alaska Airlines and take advantage of the Buy-One-Get-One sale that is going on now. Use Coupon Code “STARBUCKS” at checkout. The Alaska Airlines fare allows for a free carry-on bag, which makes it a better deal.
Delta has round-trip flights from Austin (AUS) to Seattle (SEA) for $137, NONSTOP. Flights January to February. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available.
Priceline has “Express Deals” for $127 on some of these dates. With “Express Deals” the airline and exact flight are hidden until after purchase and those purchases are final. It’s possible that the Express Deal may have a connection. There is no 24-hour free cancellation for “Express Deals”. 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.
American Airlines has round-trip flights from Austin (AUS) to Liberia, Costa Rica (LIR) for $176, NONSTOP. Flights January to March. Departures on Tuesday.