Nonstop flights from San Antonio to Baltimore
Southwest Airlines flies this route 1 to 2 times a day.
SATSan Antonio International
1,406 mi · 13 flights a week
BWIBaltimore/Washington International Thurgood Marshall
When they leave
San Antonio time5:00a2:55pFirst departure 5:00 AM, last 2:55 PM
Four in the morning, 5:00 AM to 11:50 AM, then two in the afternoon, 2:35 PM to 2:55 PM.
Every flight
Earliest first
Schedules last checked Sep 20, 2026. Times are local.
Flying from San Antonio to Baltimore
Southwest Airlines is the only airline flying nonstop from San Antonio to Baltimore, 1 to 2 times a day on the Boeing 737 MAX 8 and Boeing 737.
There are 1 or 2 flights every day of the week. The first arrival in Baltimore is at 9:20 AM and the last at 7:15 PM. The flight covers 1,406 miles.
Flying back, Baltimore to San Antonio has 16 nonstop flights a week. From San Antonio, Dulles (IAD) and Ronald Reagan Washington National (DCA) are the other Washington area airports with nonstop flights, 12 and 7 a week.
Return flights
Every Washington airport
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Find the cheapest day to fly from San Antonio to Baltimore.
Schedules as of Oct 9, 2026.