| Cheap Flights: Austin to San Jose, Costa Rica $231 r/t [February-May] â Delta Delta has round-trip flights from Austin (AUS) to San Jose, Costa Rica (SJO) for $231 with a connection. Flights February to May. Very few weekends available. Costa Rica has additional entry requirements due to COVID. You must complete the online Health Assessment and you must purchase travel insurance. Details on this process is on visitcostarica.com. Change fees are being waived and carry-on bag is allowed for free. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate. Want a notification sent straight to your phone when any new deals are found? Join our Telegram channel and never miss another deal. Patreon supporters receive a recap of all the airfare deals currently available from Austin and San Antonio everyday. We donât charge a subscription fee. Our deal notifications are available for FREE via Instagram, Facebook, Twitter, Telegram, our Webpage, and our E-mail list. If you are paying someone a subscription fee for this content, you are being ripped off. Click for more details and booking links Cheap Flights: Austin to San Jose, Costa Rica $231 r/t [February-May] â Delta . | 