Cheap flights from San Francisco to Australia from $486

The month of April is, on average, the cheapest month to fly to Australia from San Francisco, with most prices found around $76. If you aren’t able to travel during the month of April, then book flights to Australia from San Francisco during June instead. Flights to Australia in June, while not as cheap as those in April, still average around $137.

The cheapest day to depart from San Francisco to Australia is on a Sunday. Travelers who choose to depart for Australia on a Sunday will often find tickets for as low as $1,217. On the other hand, Friday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,357.

Fly from San Francisco to Sydney Kingsford Smith for the best San Francisco - Australia flight prices

You are more likely to see cheaper flights to Australia from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,188 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from San Francisco for as low as $1,115 on momondo.

You could potentially save up to 42% on your flight if you consider stops on a San Francisco to Australia flight.

Philippine Airlines, Alaska Airlines, and United Airlines are the most popular carriers operating from San Francisco to Australia

United Airlines, Fiji Airways and Qantas Airways are the top three most popular airlines that fly to Australia from San Francisco according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 14 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between San Francisco and Australia have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

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

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

According to our data, Qantas Airways have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

As of May 2026, there are 13 flights per day flying from San Francisco to Australia. The most common time of day flights depart is 11:00PM, with 100% of flights taking off in the evening.

92 flights are operational weekly from San Francisco to Australia as of May 2026. The most popular departure day for this route is Fri, with 18% of flights per week taking off on this day.