Cheap flights from San Francisco to Austin from $100

The cheapest month to fly to Austin from San Francisco is in September. Flight prices, which tend to average around $256, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in September, then August is your next best option. Flight prices from San Francisco to Austin during August average around $271.

The cheapest day to depart on your flight to Austin is on a Saturday when prices can be found for as low as $318. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Austin for around $428.

In the evening is the cheapest time of day to fly from San Francisco to Austin when you can find flight prices for as low as $326. Flying to Austin in the evening is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the morning, with an average ticket price of $364. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from San Francisco to Austin Bergstrom for the best San Francisco - Austin Bergstrom flight prices

You are more likely to see cheaper flights to Austin from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $331 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from San Francisco for as low as $198 on momondo.

There are 4 cabin classes available to choose from on San Francisco to Austin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between San Francisco to Austin.

As of May 2026, prices for San Francisco to Austin flights are approximately 12% cheaper when compared to flights at the same time last year.

Delta is the most popular carrier operating from San Francisco to Austin Bergstrom

United Airlines, Southwest and Delta are the top three most popular airlines that fly to Austin from San Francisco according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 9 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between San Francisco and Austin have experienced a delay on any given week. The average delay length over the past 12 months has been 143 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

As of May 2026, there are 19 flights per day flying from San Francisco to Austin. The most common time of day flights depart is 5:00PM, with 52% of flights taking off in the afternoon.

133 flights are operational weekly from San Francisco to Austin as of May 2026. The most popular departure day for this route is Wed, with 19% of flights per week taking off on this day.