Nonstop flights from Washington to San Antonio
3 airlines fly from 3 Washington airports (BWI, IAD and DCA) to San Antonio (SAT), with up to 6 flights a day.
Routes
3 airport pairs- BWI to SATBaltimore/Washington International Thurgood Marshall to San Antonio1 to 3 a day
- IAD to SATDulles to San Antonio1 to 2 a day
- DCA to SATRonald Reagan Washington National to San AntonioDaily
When they leave
Washington timeTwo in the morning, 8:25 AM to 10:00 AM, then two in the afternoon, 2:15 PM to 3:45 PM, then three in the evening, 6:00 PM to 6:55 PM.
Every flight
Earliest first
Schedules last checked Sep 20, 2026. Times are local.
Flying from Washington to San Antonio
Southwest Airlines flies most often, 1 to 3 times a day on the Boeing 737 MAX 8, Boeing 737 and Boeing 737-700. United Airlines flies 1 to 2 times a day on the Boeing 737 and Boeing 737 MAX 8. American Airlines flies daily on the Airbus A319.
Flights run every day of the week, from 4 on Tuesdays, Wednesdays and Saturdays to 6 on Mondays, Thursdays and Fridays. The first arrival in San Antonio is at 11:00 AM and the last at 9:30 PM.
BWI to SAT is the busiest airport pair, with 16 flights a week, then IAD to SAT with 12 and DCA to SAT with 7.
On DCA to SAT, American Airlines flies it until Dec 16 and is back on Jan 6, 2027.
Flying back, San Antonio to Washington has 32 nonstop flights a week.
Return flights
Find the cheapest day to fly from Washington to San Antonio.
Schedules as of Oct 9, 2026.