Direct (nonstop) flights from Austin to San Diego
3 airlines fly nonstop from Austin-Bergstrom International Airport (AUS) to San Diego International Airport (SAN). It's 1,164 miles (1,874 km), about 3h 5m in the air. Operated by Alaska Airlines, Frontier Airlines, Southwest Airlines.
Alaska Airlines
Frontier Airlines
Southwest Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
AS
Alaska Airlines
F9
Frontier Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Austin to San Diego with one stop · direct emits 197 kg CO₂ per passenger
Looking for the return flight?
SAN → AUS: Flights from San Diego to AustinOther direct flights from Austin
Direct flights from San Diego (SAN)
Frequently Asked Questions
How long is the direct flight from Austin to San Diego?
A nonstop flight from Austin (AUS) to San Diego (SAN) takes approximately 3 hours and 5 minutes. The distance is 1,164 miles (1,874 km).
Which airlines fly nonstop from Austin to San Diego?
3 airlines: Alaska Airlines, Frontier Airlines, Southwest Airlines.
Is there a nonstop flight from Austin to San Diego?
Yes. 3 airlines: Alaska Airlines, Frontier Airlines, Southwest Airlines.
How far is Austin from San Diego?
The flight distance from Austin to San Diego is 1,164 miles (1,874 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 Austin to San Diego?
At 3h 5m, 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 Austin to San Diego?
Roughly 197 kg CO2 per passenger one-way. That's about the same as driving 985 km.
Is the return flight from San Diego to Austin 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 Austin to San Diego?
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 Austin-Bergstrom International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.