Direct (nonstop) flights from San Antonio to Baltimore

1 airline flys nonstop from San Antonio International (SAT) to Baltimore Washington International (BWI). It's 1,407 miles (2,265 km), about 3h 20m in the air. Operated by Southwest Airlines.

SAT
San Antonio International
🇺🇸 San Antonio, USA
BWI
Baltimore Washington International
🇺🇸 Baltimore, USA
Flight Time
3h 20m
Distance
1,407 mi
2,265 km
CO₂/pax
238 kg
−48 kg vs. layover
Airlines
1
Southwest Airlines
Time Diff
+1h
Operated by Southwest Airlines Southwest Airlines

Route data last updated: May 31, 2026

Airlines with non-stop flights

Southwest Airlines WN Southwest Airlines
Route
SAT → BWI
Flight Time
3h 20m
Distance
1,407 mi

Alternative Routes

Other ways to fly from San Antonio to Baltimore with one stop · direct emits 238 kg CO₂ per passenger

SAT MSY (New Orleans) BWI
Leg 1: 1h 25m (495 mi) Leg 2: 2h 30m (999 mi) Total: ~3h 55m 🍃 286 kg CO₂ (+20% vs. direct)
Leg 1
SAT → MSY
1h 25m · 495 mi
View SAT to MSY flights →
Leg 2
MSY → BWI
2h 30m · 999 mi
View MSY to BWI flights →
SAT DAL (Dallas) BWI
Leg 1: 1h 10m (248 mi) Leg 2: 2h 50m (1,209 mi) Total: ~4h 🍃 275 kg CO₂ (+16% vs. direct)
Leg 1
SAT → DAL
1h 10m · 248 mi
View SAT to DAL flights →
Leg 2
DAL → BWI
2h 50m · 1,209 mi
View DAL to BWI flights →
SAT HOU (Houston) BWI
Leg 1: 1h (192 mi) Leg 2: 3h (1,246 mi) Total: ~4h 🍃 272 kg CO₂ (+14% vs. direct)
Leg 1
SAT → HOU
1h · 192 mi
View SAT to HOU flights →
Leg 2
HOU → BWI
3h · 1,246 mi
View HOU to BWI flights →
SAT BNA (Nashville) BWI
Leg 1: 2h 10m (823 mi) Leg 2: 1h 50m (587 mi) Total: ~4h 🍃 286 kg CO₂ (+20% vs. direct)
Leg 1
SAT → BNA
2h 10m · 823 mi
View SAT to BNA flights →
Leg 2
BNA → BWI
1h 50m · 587 mi
View BNA to BWI flights →
SAT MEM (Memphis) BWI
Leg 1: 1h 55m (625 mi) Leg 2: 2h 10m (787 mi) Total: ~4h 5m 🍃 287 kg CO₂ (+21% vs. direct)
Leg 1
SAT → MEM
1h 55m · 625 mi
View SAT to MEM flights →
Leg 2
MEM → BWI
2h 10m · 787 mi
View MEM to BWI flights →

Frequently Asked Questions

How long is the direct flight from San Antonio to Baltimore?

A nonstop flight from San Antonio (SAT) to Baltimore (BWI) takes approximately 3 hours and 20 minutes. The distance is 1,407 miles (2,265 km).

Which airlines fly nonstop from San Antonio to Baltimore?

Just Southwest Airlines.

Is there a nonstop flight from San Antonio to Baltimore?

Yes. 1 airline: Southwest Airlines.

How far is San Antonio from Baltimore?

The flight distance from San Antonio to Baltimore 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 San Antonio to Baltimore?

At 3h 20m, 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 San Antonio to Baltimore?

Roughly 238 kg CO2 per passenger one-way. That's about the same as driving 1,190 km.

Is the return flight from Baltimore to San Antonio 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 San Antonio to Baltimore?

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 San Antonio International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.