- Cheapest roundtrip flight
- from€154
- Fastest flight
- non-stop flights
- 47x / week
- Flight distance
- 1,872 km
- Time difference
- Most popular airlines
- Southwest Airlines
- Alaska Airlines
- 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 · 34 of 34
fromto
dep.arr.
durationstopovers
- September 13 – 19, 2026
- September 20 – 26, 2026
- Sep 27 – Oct 3, 2026
- AUSSAN1 stopover
- AUSSANnonstop
- AUSSANnonstop
- AUSSANnonstop
- AUSSANnonstop
- AUSSANnonstop
- AUSSANnonstop
- AUSSANnonstop
- AUSSANnonstop
- AUSSANnonstop
- AUSSANnonstop
- AUSSANnonstop
- AUSSANnonstop
- AUSSANnonstop
- AUSSANnonstop
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. 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 6 to 7 flights per day, operated by, among others, Southwest and Alaska Airlines. 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 and Alaska Airlines. Connecting flights with one stop are also available, for example with British Airways (via London Heathrow), Alaska Airlines (via Seattle-Tacoma) and Frontier Airlines (via Denver). If travel time matters to you, a direct flight is usually the most convenient option. Connecting flights often give you more choice of departure times and airlines.
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?
From Austin to San Diego, there are on average around 6 to 7 flights per day. This usually means you have a good choice of departure times. If you are flexible, you can easily compare times, prices, and airlines.
How many flights per week are there from Austin to San Diego?
From Austin to San Diego, there are around 48 to 49 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 6:00 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 10:30 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.