- Cheapest roundtrip flight
- from€190
- Fastest flight
- non-stop flights
- 30x / week
- Flight distance
- 1,872 km
- Time difference
- Most popular airlines
- Southwest Airlines
- Alaska Airlines
- Delta Air Lines
- Southwest Airlines
Flight schedule from Austin (AUS) to San Diego (SAN)
Select a travel date in the flight schedule for the route from Austin (AUS) to San Diego (SAN) and compare affordable flight deals.
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Matching outbound flightsAUS–SAN · 23 of 23
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- October 25 – 31, 2026
- November 1 – 7, 2026
- November 8 – 14, 2026
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Tips and tricks to help you find cheap flights from Austin to San Diego
Favorite airline: Alaska Airlines
73 % of flights booked on the route from Austin to San Diego are booked with Alaska Airlines, Frontier Airlines and Spirit Airlines.
Alaska Airlines
32 %
Frontier Airlines
23 %
Spirit Airlines
18 %
Important flight information
Frequently Asked Questions (FAQ)
How long is the flight from Austin to San Diego?
A nonstop flight from Austin to San Diego typically takes around 3 hours 10 minutes. If you choose a connecting flight, allow more travel time. Typical one-stop itineraries take around 23 hours 15 minutes. For the quickest trip, a nonstop flight is usually the most comfortable choice.
Are there nonstop flights from Austin to San Diego?
Yes, there are nonstop flights from Austin to San Diego, averaging around 4 to 5 flights per day, operated by, among others, Southwest, Alaska Airlines and Delta. If you want to fly without a layover, it is worth filtering specifically for nonstop flights when searching.
Which airlines fly from Austin to San Diego?
Direct flights from Austin to San Diego are operated by, among others, Southwest, Alaska Airlines and Delta. These flights take you to San Diego nonstop, making them especially practical for short trips or weekend getaways. It is still worth comparing departure times and airline policies, as baggage rules and fees can vary.
On which days are there nonstop flights from Austin to San Diego?
Nonstop flights from Austin to San Diego operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.
How many flights are there per day from Austin to San Diego?
On the route from Austin to San Diego, there are on average around 4 to 5 flights per day. The number of flights can vary by day of the week and season. If you are flexible with your dates, it is worth comparing several departure days.
How many flights per week are there from Austin to San Diego?
From Austin to San Diego, there are around 30 to 31 flights per week. This means you usually have connections available on several days and at various times. Beyond the price, it is worth comparing flight duration, airline, and any potential additional fees.
When does the first flight from Austin to San Diego depart?
The earliest nonstop flight from Austin to San Diego usually departs at 5:50 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in San Diego.
When does the last flight from Austin to San Diego depart?
The last nonstop flight from Austin to San Diego usually departs at 10:45 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.