Nonstop flights from Baltimore to San Antonio

Southwest Airlines flies this route 1 to 3 times a day.

BWIBaltimore/Washington International Thurgood Marshall

1,406 mi · 16 flights a week

SATSan Antonio International

BWISAT

When they leave

Baltimore time

8:25a6:55pFirst departure 8:25 AM, last 6:55 PM

Two in the morning, 8:25 AM to 10:00 AM, then two in the afternoon, 2:15 PM to 3:45 PM, then one evening flight at 6:55 PM.

Every flight

Earliest first

8:25 AM→11:00 AMSouthwest AirlinesBoeing 737 MAX 8Tue, Wed, Sun
10:00 AM→12:25 PMSouthwest AirlinesBoeing 737-700Mon, Thu, Fri
2:15 PM→4:45 PMSouthwest AirlinesBoeing 737 MAX 8Sat
3:45 PM→6:10 PMSouthwest AirlinesBoeing 737 MAX 8Mon, Tue, Wed, Thu, Fri
6:55 PM→9:30 PMSouthwest AirlinesBoeing 737Mon, Thu, Fri, Sun

Schedules last checked Sep 20, 2026. Times are local.

Flying from Baltimore to San Antonio

Southwest Airlines is the only airline flying nonstop from Baltimore to San Antonio, 1 to 3 times a day on the Boeing 737 MAX 8, Boeing 737 and Boeing 737-700.

Flights run every day of the week, from 1 on Saturdays to 3 on Mondays, Thursdays and Fridays. The first arrival in San Antonio is at 11:00 AM and the last at 9:30 PM. The flight covers 1,406 miles.

Flying back, San Antonio to Baltimore has 13 nonstop flights a week. Dulles (IAD) and Ronald Reagan Washington National (DCA) also have nonstop flights to San Antonio, 12 and 7 a week.