Cheap flights from San Francisco to Sydney

One-way fares from $538 · SFO → SYD · prices found by travellers in the last 48 hours

Cheapest fare
$538

Philippine Airlines · Tue, Aug 10

Cheapest month
August

from $538

Direct flights
Not recently

Usually 1+ stop

Quickest trip
23h 25m

11,950 km

Get a price alert

We'll email you when San Francisco → Sydney drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $538. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from San Francisco to Sydney

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $569
  2. December 2026 $575
  3. August 2027 Cheapest $538

Plan the rest of your trip to Sydney

Where to stay, what to do and getting around, from our travel partners.

About flights from San Francisco to Sydney

San Francisco (SFO) and Sydney (SYD) are about 11,950 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 23h 25m. Over the next few months, one-way fares start from $538, and August 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from San Francisco to Sydney?

The cheapest one-way fare we've seen recently is $538 with Philippine Airlines, departing Tuesday, August 10, 2027. Over the coming months, the lowest fare in each month ranges from $538 to $575.

What is the cheapest month to fly from San Francisco to Sydney?

August 2027 currently has the lowest fares, from $538 one way.

Are there direct flights from San Francisco to Sydney?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from San Francisco to Sydney?

The quickest journey we've seen takes about 23h 25m. San Francisco and Sydney are around 11,950 km apart.

Which airlines fly from San Francisco to Sydney?

Recent fares on this route were with Philippine Airlines and Frontier Airlines.

More cheap flights from San Francisco

Compare flights to Sydney from other cities →