Cheap flights from Sydney to San Francisco from $540

If you aren’t able to travel during the month of August, then book flights to San Francisco from Sydney during March instead. Flights to San Francisco in March, while not as cheap as those in August, still average around $1,347.

According to our data, Tuesday is the cheapest day to fly to San Francisco from Sydney. The lowest ticket price found for a Tuesday departure recently was $1,717. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to San Francisco for around $2,032.

According to our data, the cheapest time of day to fly to San Francisco is in the morning. momondo users have found flights departing from Sydney to San Francisco in the morning for as low as $1,799. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,970 on average. Flights to San Francisco from Sydney in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to San Francisco from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $1,527 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Sydney for as low as $1,363 on momondo.

There are 3 cabin classes available to choose from on Sydney to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Air Tahiti Nui and Air New Zealand are the most popular carriers operating from Sydney Kingsford Smith to San Francisco

United Airlines, Qantas Airways and Fiji Airways are the top three most popular airlines that fly to San Francisco from Sydney according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 11 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Sydney and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 122 minutes.

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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Qantas Airways have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

Nadi (NAN) was the most common stop: 33% of momondo users choosing one-stop flights on this route connected there.

Flights via Nadi (NAN) offer the lowest average return price of $1,220.

Flights connecting via Honolulu (HNL) have the shortest average one-way travel time: 16h 54m.

Auckland (AKL) has the shortest average stopover time for this route: 1h 44m.

As of October 2026, 3 flights take off from Sydney and land in San Francisco each day. The most common flight departure time for this route is 10:00, with 82% of daily flights taking off at midday.

As of October 2026, 24 flights take off from Sydney and land in San Francisco each week. The most common flight departure day for this route is Wed, with 25% of weekly flights taking off on this day.