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Cheap flights from San Francisco to Perth from $721

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PER
6 Sep — 13 Sep1
1 adult

Cheapflights Tip: The best prices from San Francisco to Perth are usually found in September or March, booked 86 days in advance, depart on a Thursday or Wednesday and return on a Thursday

Cheap flight deals from San Francisco to Perth

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 September 2025.

Round-trip from

$1,594

One-way from

$721

Popular in

December

Cheapest in

September

Average price

$1,782
Cathay Pacific
  • Cathay Pacific
  • 17/9-1/10
  • 2 total stops
  • 57h 25m total
  • San Francisco to Perth
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13/11
  • 13/11
  • 3 total stops
  • 49h 45m total
  • San Francisco to Perth
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($1,094 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($192 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from San Francisco to Perth

Cheapest flights from San Francisco to Perth
Explore the most affordable flight options available from San Francisco to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2025.

Mon 1/923:55SFO - PER
1 stop40h 30mPhilippine Airlines
Mon 15/908:45PER - SFO
1 stop27h 05mPhilippine Airlines
Deal found 31/8$1,296
Wed 17/900:20SFO - PER
1 stop31h 20mCathay Pacific
Wed 1/1000:10PER - SFO
1 stop26h 05mCathay Pacific
Deal found 31/8$1,594
Sun 31/801:05SFO - PER
1 stop39h 40mCathay Pacific
Sun 14/900:10PER - SFO
1 stop37h 30mCathay Pacific
Deal found 31/8$1,601
Mon 27/1000:35SFO - PER
1 stop31h 15mCathay Pacific
Thu 6/1100:15PER - SFO
1 stop37h 00mCathay Pacific
Deal found 30/8$1,660
Sun 28/923:10SFO - PER
1 stop32h 30mCathay Pacific
Sun 5/1009:15PER - SFO
1 stop41h 00mCathay Pacific
Deal found 30/8$1,661
Sun 21/923:55SFO - PER
2 stops45h 15mMultiple Airlines
Thu 2/1008:45PER - SFO
1 stop27h 05mMultiple Airlines
Deal found 31/8$1,708
Thu 11/901:05SFO - PER
1 stop39h 40mCathay Pacific
Thu 2/1000:10PER - SFO
1 stop37h 30mCathay Pacific
Deal found 1/9$1,724
Thu 18/923:55SFO - PER
2 stops29h 45mMultiple Airlines
Thu 2/1008:45PER - SFO
1 stop27h 05mMultiple Airlines
Deal found 31/8$1,730
Wed 17/900:20SFO - PER
2 stops28h 30mMultiple Airlines
Mon 29/920:30PER - SFO
3 stops33h 50mMultiple Airlines
Deal found 31/8$1,733
Mon 1/923:55SFO - PER
1 stop40h 30mMultiple Airlines
Mon 15/921:55PER - SFO
3 stops32h 25mMultiple Airlines
Deal found 31/8$1,776
Mon 13/1000:20SFO - PER
1 stop31h 20mCathay Pacific
Mon 20/1000:10PER - SFO
1 stop37h 30mCathay Pacific
Deal found 30/8$1,789

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 1 September 2025.
Use the filters below to find and compare flights from San Francisco to Perth that are best for you.

Fly from

San Francisco

Fly to

Perth

Route

Depart

Return

Price

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Wed 17/9

00:20-22:40

1 stop31h 20m

Perth

Wed 1/10

00:10-11:15

1 stop26h 05m

$1,594

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Thu 18/9

23:10-22:40

1 stop32h 30m

Perth

Sun 28/9

00:10-11:15

1 stop26h 05m

$1,594

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Tue 14/10

12:55-22:40

1 stop42h 45m

Perth

Mon 20/10

00:10-22:40

1 stop37h 30m

$1,594

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Mon 27/10

00:35-22:50

1 stop31h 15m

Perth

Thu 6/11

00:15-21:15

1 stop37h 00m

$1,660

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Sun 21/9

23:10-22:40

1 stop32h 30m

Perth

Wed 1/10

00:10-11:15

1 stop26h 05m

$1,660

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Thu 13/11

10:15-04:00

3 stops49h 45m

$721

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Thu 13/11

21:10-22:25

1 stop33h 15m

$990

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Sat 11/10

22:50-05:50

2 stops40h 00m

$1,171

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Sat 11/10

15:55-18:40

1 stop35h 45m

$1,922

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Fri 10/10

00:20-07:45

1 stop40h 25m

$2,072

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 14 results
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Best time to book a flight from San Francisco to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Perth

How far ahead should I book a flight from San Francisco to Perth?

Use this chart to determine the optimal time to book a return flight from San Francisco to Perth. Price data was last updated on 29 August 2025.

The best time to book flights from San Francisco to Perth is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Francisco to Perth?

Currently, May is the cheapest month in which you can book a flight from San Francisco to Perth (average of $286). Flying from San Francisco to Perth in December is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to PER?

Find hourly flight availability from San Francisco to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 September 2025.

It’s typically best to fly out from San Francisco to Perth at midday. Doing so could potentially save you 1% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Francisco to Perth?

    A quick flight from San Francisco to Perth can take about 31h 20m. Cathay Pacific provides one of the quickest options available for as low as $1,594. Airlines will cover a distance of 14724 km.

  • Can I find deals for flights from San Francisco to Perth that include hotel bookings?

    Yes. In addition to deals on San Francisco to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Perth.

  • Can I find deals for business class flights from San Francisco to Perth?

    Yes. Cheapflights offers flight deals from San Francisco to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Perth?

    Currently, May is the cheapest month in which you can book a flight from San Francisco to Perth (average of $286). Flying from San Francisco to Perth in December is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Scarborough
Fremantle
Rottnest Island

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Perth?

When you search for this flight from San Francisco to Perth, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Perth?

Cheapflights helps you find that perfect flight to Perth from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco to Perth with no change fees?

Yes, we can. To see specific flights from San Francisco to Perth with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Francisco to Perth become cheaper?

Yes! Start tracking prices for San Francisco to Perth flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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