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Cheap flights from San Francisco to Perth from $741

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PER
20 Nov — 27 Nov1
1 adult
1 adult, Economy

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

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Enter your travel dates to find the best prices.

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 21 October 2025.

Sun 9/1122:55SFO - PER
1 stop32h 00mCathay Pacific
Fri 21/1100:25PER - SFO
1 stop31h 55mCathay Pacific
Deal found 19/10$1,777
Wed 19/1111:25SFO - PER
1 stop27h 30mCathay Pacific
Wed 26/1108:30PER - SFO
1 stop28h 45mCathay Pacific
Deal found 20/10$1,854
Sun 7/1219:50SFO - PER
1 stop29h 00mAir New Zealand
Wed 24/1205:00PER - SFO
2 stops22h 05mAir New Zealand
Deal found 20/10$2,004
Mon 8/1219:50SFO - PER
1 stop29h 00mAir New Zealand
Wed 24/1205:00PER - SFO
2 stops22h 05mAir New Zealand
Deal found 20/10$2,081
Wed 19/1115:28SFO - PER
2 stops39h 27mMultiple Airlines
Tue 25/1100:25PER - SFO
1 stop25h 20mMultiple Airlines
Deal found 20/10$2,106
Fri 5/1219:50SFO - PER
1 stop29h 00mAir New Zealand
Fri 12/1217:20PER - SFO
2 stops33h 45mAir New Zealand
Deal found 20/10$2,136
Thu 4/1209:40SFO - PER
1 stop34h 55mSingapore Airlines
Thu 11/1213:50PER - SFO
1 stop34h 00mSingapore Airlines
Deal found 19/10$2,178
Fri 5/1214:30SFO - PER
3 stops34h 00mMultiple Airlines
Fri 12/1217:55PER - SFO
3 stops34h 50mMultiple Airlines
Deal found 20/10$2,204
Sun 9/1109:40SFO - PER
1 stop27h 45mSingapore Airlines
Sat 22/1113:50PER - SFO
1 stop34h 00mSingapore Airlines
Deal found 19/10$2,207

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 21 October 2025.

Round-trip from

$1,689

One-way from

$741

Popular in

December

Cheapest in

September

Average price

$1,809
Singapore Airlines
  • Singapore Airlines
  • 8/2-18/2
  • 2 total stops
  • 68h 55m total
  • San Francisco to Perth
Search Deals
3/12
  • 3/12
  • 2 total stops
  • 48h 35m total
  • San Francisco to Perth
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($1,243 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($201 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 21 October 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

Thu 4/12

09:40-12:35

1 stop34h 55m

Perth

Thu 11/12

13:50-07:50

1 stop34h 00m

$2,178

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Mon 8/12

23:35-08:50

3 stops41h 15m

Perth

Thu 25/12

10:10-17:00

1 stop22h 50m

$2,293

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Mon 8/12

23:35-08:50

3 stops41h 15m

Perth

Tue 23/12

21:55-09:15

1 stop27h 20m

$2,441

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Thu 11/12

22:55-22:55

1 stop32h 00m

Perth

Tue 23/12

00:25-09:30

1 stop25h 05m

$2,465

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Thu 6/11

15:00-18:45

1 stop35h 45m

Perth

Sun 9/11

15:55-12:40

1 stop36h 45m

$2,553

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Sat 13/12

22:55-06:55

1 stop40h 00m

Perth

Sat 27/12

00:25-21:00

1 stop36h 35m

$2,579

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Thu 4/12

19:50-10:05

2 stops46h 15m

Perth

Thu 11/12

22:45-11:05

2 stops28h 20m

$2,631

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Sun 9/11

15:00-12:20

1 stop29h 20m

Perth

Sat 22/11

15:55-12:40

1 stop36h 45m

$2,644

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Tue 9/12

18:00-14:30

2 stops28h 30m

Perth

Sun 28/12

11:35-15:55

1 stop20h 20m

$2,679

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Sun 11/1

09:40-12:35

1 stop34h 55m

Perth

Sun 1/2

17:05-07:50

1 stop30h 45m

$2,682

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 15 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 17 October 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, October is the cheapest month in which you can book a flight from San Francisco to Perth (average of $1,376). Flying from San Francisco to Perth in January is currently the most expensive (average of $2,086). 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 21 October 2025.

It’s typically best to fly out from San Francisco to Perth in the evening. Doing so could potentially save you 53% on the flight price compared to flying at midday, 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 32h. Singapore Airlines provides one of the quickest options available for as low as $2,465. Airlines will cover a distance of 14724 km. This flight may include one or multiple stops.

  • 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, October is the cheapest month in which you can book a flight from San Francisco to Perth (average of $1,376). Flying from San Francisco to Perth in January is currently the most expensive (average of $2,086). 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
Scarborough
Mandurah
Fremantle
Rottnest Island

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Perth

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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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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