Direct (nonstop) flights from Atlanta to San Antonio

3 airlines fly nonstop from Hartsfield–Jackson Atlanta International Airport (ATL) to San Antonio International (SAT). It's 874 miles (1,406 km), about 2h 34m in the air. Operated by Delta Air Lines, Frontier Airlines, Southwest Airlines.

ATL
Hartsfield–Jackson Atlanta International Airport
🇺🇸 Atlanta, USA
SAT
San Antonio International
🇺🇸 San Antonio, USA
Flight Time
2h 34m
Distance
874 mi
1,406 km
CO₂/pax
162 kg
−34 kg vs. layover
Airlines
3
Delta Air Lines +2
Time Diff
-1h
Operated by Delta Air Lines Delta Air Lines Frontier Airlines Frontier Airlines Southwest Airlines Southwest Airlines

Route data last updated: May 28, 2026

Airlines with non-stop flights

Delta Air Lines DL Delta Air Lines
Route
ATL → SAT
Flight Time
2h 34m
Distance
874 mi
Frontier Airlines F9 Frontier Airlines
Route
ATL → SAT
Flight Time
2h 34m
Distance
874 mi
Southwest Airlines WN Southwest Airlines
Route
ATL → SAT
Flight Time
2h 34m
Distance
874 mi

Alternative Routes

Other ways to fly from Atlanta to San Antonio with one stop · direct emits 162 kg CO₂ per passenger

ATL MSY (New Orleans) SAT
Leg 1: 1h 34m (424 mi) Leg 2: 1h 40m (495 mi) Total: ~3h 14m 🍃 196 kg CO₂ (+21% vs. direct)
Leg 1
ATL → MSY
1h 34m · 424 mi
View ATL to MSY flights →
Leg 2
MSY → SAT
1h 40m · 495 mi
View MSY to SAT flights →
ATL HOU (Houston) SAT
Leg 1: 2h 14m (695 mi) Leg 2: 1h (192 mi) Total: ~3h 14m 🍃 190 kg CO₂ (+17% vs. direct)
Leg 1
ATL → HOU
2h 14m · 695 mi
View ATL to HOU flights →
Leg 2
HOU → SAT
1h · 192 mi
View HOU to SAT flights →
ATL PNS (Pensacola) SAT
Leg 1: 1h 11m (271 mi) Leg 2: 2h 12m (679 mi) Total: ~3h 23m 🍃 201 kg CO₂ (+24% vs. direct)
Leg 1
ATL → PNS
1h 11m · 271 mi
View ATL to PNS flights →
Leg 2
PNS → SAT
2h 12m · 679 mi
View PNS to SAT flights →
ATL IAH (Houston) SAT
Leg 1: 2h 18m (688 mi) Leg 2: 1h 8m (191 mi) Total: ~3h 26m 🍃 187 kg CO₂ (+15% vs. direct)
Leg 1
ATL → IAH
2h 18m · 688 mi
View ATL to IAH flights →
Leg 2
IAH → SAT
1h 8m · 191 mi
View IAH to SAT flights →
ATL MEM (Memphis) SAT
Leg 1: 1h 21m (331 mi) Leg 2: 2h 5m (625 mi) Total: ~3h 26m 🍃 202 kg CO₂ (+25% vs. direct)
Leg 1
ATL → MEM
1h 21m · 331 mi
View ATL to MEM flights →
Leg 2
MEM → SAT
2h 5m · 625 mi
View MEM to SAT flights →

Frequently Asked Questions

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

A nonstop flight from Atlanta (ATL) to San Antonio (SAT) takes approximately 2 hours and 34 minutes. The distance is 874 miles (1,406 km).

Which airlines fly nonstop from Atlanta to San Antonio?

3 airlines: Delta Air Lines, Frontier Airlines, Southwest Airlines.

Is there a nonstop flight from Atlanta to San Antonio?

Yes. 3 airlines: Delta Air Lines, Frontier Airlines, Southwest Airlines.

How far is Atlanta from San Antonio?

The flight distance from Atlanta to San Antonio is 874 miles (1,406 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Madrid.

What type of aircraft flies from Atlanta to San Antonio?

At 2h 34m, 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 Atlanta to San Antonio?

Roughly 162 kg CO2 per passenger one-way. That's about the same as driving 810 km.

Is the return flight from San Antonio to Atlanta 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 Atlanta 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 Hartsfield–Jackson Atlanta International Airport for this flight?

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