United States · 1,762 miles (2,835 km)

Boston (BOS) to San Antonio (SAT) flights

One airline flies nonstop from Boston (BOS) to San Antonio (SAT): Delta Air Lines. The two airports are 1,762 miles (2,835 km) apart. Delta Air Lines is in SkyTeam. There are also 32 ways to fly it with one stop, through Nashville, Memphis and New York and more.

Airlines flying nonstop from BOS to SAT

Book BOS to SAT with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

BOS to SAT with one stop

32 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Nashville (BNA)Southwest Airlines the whole way
    JetBlue Airways logo
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Memphis (MEM)Delta Air Lines, then Breeze Airways
    Delta Air Lines logo
    Breeze Airways logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via New York (JFK)Delta Air Lines the whole way
    American Airlines logo
    JetBlue Airways logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Dulles (IAD)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    JetBlue Airways logo
    Delta Air Lines logo
    American Airlines logo
  • Via Baltimore (BWI)Southwest Airlines the whole way
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Washington (DCA)American Airlines the whole way
    American Airlines logo
    JetBlue Airways logo
    Delta Air Lines logo
    American Airlines logo
  • Via Houston (IAH)United Airlines the whole way
    United Airlines logo
    JetBlue Airways logo
    United Airlines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    American Airlines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    JetBlue Airways logo
    Delta Air Lines logo
    Frontier Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    American Airlines logo
  • Via Saint Louis (STL)Southwest Airlines the whole way
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Raleigh/Durham (RDU)JetBlue Airways, Delta Air Lines and 1 more, then Breeze Airways
    JetBlue Airways logo
    Delta Air Lines logo
    Frontier Airlines logo
    Breeze Airways logo
See all 32 in Routes

BOS to SAT: common questions

Which airlines fly nonstop from BOS to SAT?

Delta Air Lines (SkyTeam) flies nonstop from Boston (BOS) to San Antonio (SAT).

How far is Boston from San Antonio by plane?

Boston (BOS) and San Antonio (SAT) are 1,762 miles (2,835 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book BOS to SAT award flights?

8 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, China Eastern Eastern Miles, Delta SkyMiles, Garuda Indonesia GarudaMiles, Korean Air SKYPASS, SAS EuroBonus and Virgin Atlantic Flying Club. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does BOS to SAT cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for BOS to SAT with taxes and fees.

Where can I connect between Boston and San Antonio?

The most direct connections are through Nashville (BNA), Memphis (MEM), New York (EWR), New York (JFK) and Dulles (IAD). On 26 of them the same airline flies both flights, for example Southwest Airlines through Nashville.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.