Cheap flights from San Francisco to Austin from $121

The cheapest month to fly to Austin from San Francisco is in January. Flight prices, which tend to average around $315, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in January, then February is your next best option. Flight prices from San Francisco to Austin during February average around $324.

The cheapest day to depart on your flight to Austin is on a Wednesday when prices can be found for as low as $330. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Austin for around $430.

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 $347. Flying to Austin in the evening is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly at noon, with an average ticket price of $386. Departure times at noon 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 $366 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 $249 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.

You could potentially save up to 6% on your flight if you consider stops on a San Francisco to Austin flight.

As of October 2026, prices for San Francisco to Austin flights are approximately 24% cheaper when compared to flights at the same time last year.

United Airlines and Delta are the most popular carriers 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 45% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 7 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% 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 150 minutes.

Generally, flights departing in the evening 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. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

As of October 2026, there are 22 flights per day flying from San Francisco to Austin. The most common time of day flights depart is 6:00PM, with 35% of flights taking off at noon.

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