Cheap flights from Sydney to San Francisco from $486

If you aren’t able to travel to San Francisco during the month of November, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $921.

The cheapest day to depart from Sydney to San Francisco is on a Wednesday when prices can be found for as low as $1,249. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $1,444.

Our data shows that the cheapest Sydney to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $1,280. Flights in the evening are often more expensive with an average ticket price of $1,492.

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 $1,023 when searching weeks out. 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 $903 on momondo.

There are 3 cabin classes available to choose from on Sydney Kingsford Smith to San Francisco 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 40% on your flight if you consider stops on a Sydney to San Francisco flight.

As of March 2026, prices for Sydney to San Francisco flights are approximately 14% cheaper when compared to flights at the same time last year.

United Airlines is the most popular carrier 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 52% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 7 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 131 minutes.

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

Wednesday 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 17% of their flights experiencing any sort of delay.

Los Angeles (LAX) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Honolulu (HNL) offer the lowest average round-trip price of $859.

Flights connecting via Nadi (NAN) have the shortest average one-way travel time: 17h 15m.

Los Angeles (LAX) has the shortest average layover time for this route: 2h 13m.

9 flights are operational daily from Sydney to San Francisco as of March 2026. The most popular departure time for this route is 12:00PM, with 85% of flights per day taking off in the afternoon.

As of March 2026, 63 flights take off from Sydney and land in San Francisco each week. The most common flight departure day for this route is Tue, with 21% of weekly flights taking off on this day.