Cheap Flights from San Francisco to Sydney from $340

Frequently Asked Questions

• What are the cheapest flights from San Francisco to Sydney (SFO-SYD)?

  Based on Trip.com data, Fiji Airways offers one-way fares as low as $340 on Cheapest nonstop routes (e.g. SFO to SYD on Wed, May 6), while Fiji Airways offers Cheapest nonstop round-trips from $715 departing on Fri, Mar 13 and returning on Wed, Mar 18.

• Which airlines offer direct flights from San Francisco to Sydney?

  At the moment, you can catch a nonstop flight from San Francisco to Sydney with the following airlines, including: Qantas Airways United Airlines Fiji Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from San Francisco (SFO) to Sydney (SYD) and what is the distance?

  It takes around 15 hours 18 minutes to fly from San Francisco (SFO) to Sydney (SYD).

• When is the best time to book flights from San Francisco to Sydney?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Francisco to Sydney is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from San Francisco to Sydney?

  Based on Trip.com data in the past 4 weeks, there is 11 flight per week flying from San Francisco to Sydney. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA863 (00:12)

• How can I find the best deals on flights from San Francisco to Sydney?

  To find best deals on flights from San Francisco to Sydney, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, May 6, with one-way flights priced at just $340.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Qantas Airways.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Sydney travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from San Francisco (SFO) to Sydney (SYD) the cheapest?

  The cheapest months to fly from San Francisco to Sydney is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from San Francisco to Sydney on?

  After crunching the numbers on our March flight calendar, it's currently cheapest to fly from San Francisco to Sydney on March 20, 2026 with Fiji Airways, with prices starting at $711.

• Which airports can I fly to for Sydney from San Francisco?

  You can land at any one of the following hubs in Sydney, with San Francisco International Airport to Sydney Airport (SFO-SYD) is by far the most common option on this route: Sydney Airport (SYD).

• Is there any time difference between San Francisco and Sydney?

  The time difference between Sydney and San Francisco is 18h.

• How do I change or cancel my ticket from San Francisco to Sydney?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.