Cheap flights from San Francisco to Australia from $348

The month of February is, on average, the cheapest month to fly to Australia from San Francisco, with most prices found around $1,068. If you aren’t able to travel during the month of February, then book flights to Australia from San Francisco during August instead. Flights to Australia in August, while not as cheap as those in February, still average around $1,073.

The cheapest day to depart from San Francisco to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,271. 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 $1,375.

Fly from San Francisco to Adelaide 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 $1,185 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 $1,063 on momondo.

There are 3 cabin classes available to choose from on San Francisco to Australia 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 29% on your flight if you consider stops on a San Francisco to Australia flight.

Fiji Airways, Philippine 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 55% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 13 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% 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 188 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 8% of their flights experiencing any sort of delay.

As of February 2026, there are 15 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.

108 flights are operational weekly from San Francisco to Australia as of February 2026. The most popular departure day for this route is Tue, with 19% of flights per week taking off on this day.