Direct (nonstop) flights from Baltimore to San Antonio
1 airline flys nonstop from Baltimore Washington International (BWI) to San Antonio International (SAT). It's 1,407 miles (2,265 km), about 3h 35m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Baltimore to San Antonio with one stop · direct emits 238 kg CO₂ per passenger
Looking for the return flight?
SAT → BWI: Flights from San Antonio to BaltimoreOther direct flights from Baltimore
Direct flights from San Antonio (SAT)
Frequently Asked Questions
How long is the direct flight from Baltimore to San Antonio?
A nonstop flight from Baltimore (BWI) to San Antonio (SAT) takes approximately 3 hours and 35 minutes. The distance is 1,407 miles (2,265 km).
Which airlines fly nonstop from Baltimore to San Antonio?
Just Southwest Airlines.
Is there a nonstop flight from Baltimore to San Antonio?
Yes. 1 airline: Southwest Airlines.
How far is Baltimore from San Antonio?
The flight distance from Baltimore to San Antonio is 1,407 miles (2,265 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What type of aircraft flies from Baltimore to San Antonio?
At 3h 35m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Baltimore to San Antonio?
Roughly 238 kg CO2 per passenger one-way. That's about the same as driving 1,190 km.
Is the return flight from San Antonio to Baltimore also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Baltimore to San Antonio?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Baltimore Washington International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.