Cheap flights from Austin to San Diego
Cheapest current fares: $167 in November 2026, 1,871 km direct flight in ~2h 12m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Austin (AUS) to San Diego (SAN). Refreshed daily.
Austin (AUS) → San Diego (SAN)
- November 2026 $167
- July 2026 $189
Frequently asked questions
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What is the cheapest month to fly from Austin to San Diego?
Based on current 6-month forward fare data, November 2026 is the cheapest month to fly from Austin (AUS) to San Diego (SAN), with fares starting from $167.
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What is the lowest current fare from AUS to SAN?
The lowest currently-listed fare from Austin (AUS) to San Diego (SAN) is $167 on 2026-11-06.
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How long is the flight from Austin to San Diego?
Direct flights from AUS to SAN cover approximately 1,871 km (1,163 miles), with an estimated flight time of 2h 12m. Operating airlines: AS, WN.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.