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 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.
- Alaska Atmos RewardsBooks American Airlines
- American AAdvantageBooks American Airlines
- British Airways ClubBooks American Airlines
- Cathay Pacific Asia MilesBooks American Airlines
- Finnair PlusBooks American Airlines
- Iberia ClubBooks American Airlines
- JAL Mileage BankBooks American Airlines
- Qantas Frequent FlyerBooks American Airlines
- Qatar Airways Privilege ClubBooks American Airlines
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




- Via Memphis (MEM)American Airlines and Delta Air Lines, then Breeze Airways



- Via Houston (IAH)United Airlines the whole way



- Via Houston (HOU)Southwest Airlines the whole way


- Via Atlanta (ATL)Delta Air Lines and Southwest Airlines the whole way





- Via Charlotte (CLT)American Airlines the whole way


- Via Dallas (DAL)Southwest Airlines the whole way


- Via Dallas (DFW)American Airlines the whole way


- Via Raleigh/Durham (RDU)American Airlines and Delta Air Lines, then Breeze Airways



- Via New Orleans (MSY)Southwest Airlines the whole way



- Via Pensacola (PNS)American Airlines, then Breeze Airways


- Via Saint Louis (STL)Southwest Airlines the whole way



- Via Philadelphia (PHL)American Airlines the whole way


- Via Detroit (DTW)Delta Air Lines the whole way



- Via Chicago (MDW)Southwest Airlines the whole way


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.