Direct flights from San Diego to Austin SAN → AUS
Alaska Airlines, American Airlines, Frontier Airlines and Southwest Airlines operate nonstop flights from San Diego (SAN) to Austin (AUS). The nonstop flight takes around ~2h 20m, covering 1,162 miles (1,870 km) and operates multiple daily. Round-trip fares currently start at $377, with a typical fare around $377 across 18 recent fare combinations. Updated 28 June 2026.
60-day flexibility overview based on 18 recent fares across the next 60 days
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Alaska Airlines
AS
American Airlines
AA
Frontier Airlines
F9
Southwest Airlines
WN
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Frequently asked questions
Is there a direct flight from San Diego to Austin?
Yes, Alaska Airlines, American Airlines and 2 more airlines operate nonstop flights from San Diego (SAN) to Austin (AUS).
Which airlines fly direct from San Diego to Austin?
Alaska Airlines, American Airlines, Frontier Airlines, Southwest Airlines operate nonstop flights from San Diego to Austin.
How long is the flight from San Diego to Austin?
The nonstop flight from San Diego to Austin takes ~2h 20m (approximately 1870 km).
How often do direct flights operate from San Diego to Austin?
Nonstop flights from San Diego to Austin operate multiple daily.
How much is a round-trip flight from San Diego to Austin?
Round-trip flights from San Diego (SAN) to Austin (AUS) start at $377, with a typical fare around $377. Based on 18 recent fare combinations.