Are there nonstop flights from Boston (BOS) to San Antonio (SAT)?

Yes. Delta Air Lines fly this route. Flight time is about 3h 50m.

What is the fastest connection from Boston (BOS) to San Antonio (SAT)?

via Nashville ≈ 4h 20m, via Memphis ≈ 4h 20m, via Newark ≈ 4h 21m (estimated flying time, excluding layovers).

from 15,000 ANA miles, from 15,000 JAL miles (economy, one way, based on the published award charts).

Boston Logan International Airport (BOS) to San Antonio International Airport (SAT)・2,835 km

Nonstop flights available (1 airline). Flight time about 3h 50m. Nonstop return flights also operate.

With milesANA 15,000 miles+ (via EWR)JAL 15,000 miles+ (via PHL)Economy, one way, estimate. Tap a connection for miles by cabin.

35 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.