| Nonstop Flights: San Antonio to/from Boston $61-$117 r/t [November-December] (No Holiday) â JetBlue JetBlue has round-trip flights from San Antonio (SAT) to Boston (BOS) for $61-$117, NONSTOP. Flights November to December. Origin/Destination reversible. Holiday blackouts apply. JetBlue charges a fee for bags. Limited availability. Click for more details and booking links Nonstop Flights: San Antonio to/from Boston $61-$117 r/t [November-December] (No Holiday) â JetBlue . | 