United States · 1,379 miles (2,219 km)

Washington (DCA) to San Antonio (SAT) flights

One airline flies nonstop from Washington (DCA) to San Antonio (SAT): American Airlines. The two airports are 1,379 miles (2,219 km) apart. American Airlines is in oneworld. There are also 27 ways to fly it with one stop, through Nashville, Memphis and Houston and more.

Airlines flying nonstop from DCA to SAT

  • American Airlines logo
    American Airlinesoneworld · bookable with 9 programsWho books it

Book DCA to SAT with points

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

DCA to SAT with one stop

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

  • Via Nashville (BNA)Southwest Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Memphis (MEM)American Airlines and Delta Air Lines, then Breeze Airways
    American Airlines logo
    Delta Air Lines logo
    Breeze Airways logo
  • Via Houston (IAH)United Airlines the whole way
    United Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Houston (HOU)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Atlanta (ATL)Delta Air Lines and Southwest Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American 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
    American Airlines logo
  • Via Raleigh/Durham (RDU)American Airlines and Delta Air Lines, then Breeze Airways
    American Airlines logo
    Delta Air Lines logo
    Breeze Airways logo
  • Via New Orleans (MSY)Southwest Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Pensacola (PNS)American Airlines, then Breeze Airways
    American Airlines logo
    Breeze Airways logo
  • Via Saint Louis (STL)Southwest Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    American Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
See all 27 in Routes

DCA to SAT: common questions

Which airlines fly nonstop from DCA to SAT?

American Airlines (oneworld) flies nonstop from Washington (DCA) to San Antonio (SAT).

How far is Washington from San Antonio by plane?

Washington (DCA) and San Antonio (SAT) are 1,379 miles (2,219 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book DCA to SAT award flights?

9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does DCA 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 DCA to SAT with taxes and fees.

Where can I connect between Washington and San Antonio?

The most direct connections are through Nashville (BNA), Memphis (MEM), Houston (IAH), Houston (HOU) and Atlanta (ATL). On 24 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.