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Cheap flights from San Francisco to Perth from $644

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PER
3 Mar — 10 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Perth

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 1 February 2026.

Fri 17/411:00
SFO
-
PER
1 stop26h 15m
Multiple Airlines
Fri 24/405:35
PER
-
SFO
1 stop42h 35m
Multiple Airlines
Deal found 30/1$1,494
Mon 4/523:30
SFO
-
PER
2 stops42h 25m
Multiple Airlines
Tue 12/518:25
PER
-
SFO
1 stop29h 45m
Multiple Airlines
Deal found 31/1$1,623
Tue 17/310:40
SFO
-
PER
1 stop34h 55m
Singapore Airlines
Tue 24/313:50
PER
-
SFO
1 stop34h 00m
Singapore Airlines
Deal found 31/1$1,624
Wed 6/522:50
SFO
-
PER
2 stops30h 00m
Multiple Airlines
Tue 12/518:25
PER
-
SFO
1 stop29h 45m
Multiple Airlines
Deal found 31/1$1,634
Tue 30/601:20
SFO
-
PER
1 stop30h 20m
Cathay Pacific
Tue 21/700:10
PER
-
SFO
1 stop38h 05m
Cathay Pacific
Deal found 31/1$1,654
Mon 4/500:20
SFO
-
PER
1 stop31h 20m
Cathay Pacific
Wed 13/500:10
PER
-
SFO
1 stop25h 45m
Cathay Pacific
Deal found 31/1$1,659
Mon 18/513:00
SFO
-
PER
1 stop26h 50m
Cathay Pacific
Wed 3/600:10
PER
-
SFO
1 stop26h 15m
Cathay Pacific
Deal found 31/1$1,660
Mon 4/500:50
SFO
-
PER
2 stops36h 25m
Multiple Airlines
Tue 12/518:25
PER
-
SFO
1 stop29h 45m
Multiple Airlines
Deal found 31/1$1,665
Mon 4/500:20
SFO
-
PER
1 stop31h 20m
Cathay Pacific
Sun 10/508:20
PER
-
SFO
1 stop29h 20m
Cathay Pacific
Deal found 31/1$1,673
Mon 4/513:00
SFO
-
PER
1 stop26h 50m
Cathay Pacific
Sat 9/500:10
PER
-
SFO
1 stop37h 30m
Cathay Pacific
Deal found 31/1$1,685

Find 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 February 2026.

Round-trip from

$1,494

One-way from

$644

Popular in

January

Cheapest in

February

Average price

$1,527
17/4-24/4
  • 17/4-24/4
  • 2 total stops
  • 68h 50m total
  • San Francisco to Perth
Search Deals
6/4
  • 6/4
  • 1 total stop
  • 39h 10m total
  • San Francisco to Perth
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($687 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($205 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 1 February 2026.
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

Fri 17/4

11:00-05:50

2 stops27h 50m

Perth

Thu 23/4

01:30-09:10

2 stops46h 40m

$1,588

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Wed 4/3

22:55-22:55

1 stop32h 00m

Perth

Fri 13/3

08:30-10:45

1 stop41h 15m

$1,731

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Sun 1/3

22:55-22:55

1 stop32h 00m

Perth

Sun 8/3

08:30-21:15

1 stop28h 45m

$1,771

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Sun 15/3

10:40-04:30

2 stops26h 50m

Perth

Sun 22/3

20:40-13:30

2 stops31h 50m

$1,824

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Sun 8/3

18:00-14:30

2 stops29h 30m

Perth

Wed 11/3

22:30-17:30

2 stops34h 00m

$1,883

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Sun 8/2

22:05-16:10

2 stops26h 05m

Perth

Sat 14/2

15:15-12:25

2 stops37h 10m

$1,887

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Thu 5/3

12:47-22:55

2 stops42h 08m

Perth

Fri 13/3

08:30-22:15

1 stop28h 45m

$1,921

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Sat 28/2

17:20-22:55

2 stops37h 35m

Perth

Fri 6/3

00:25-09:45

1 stop25h 20m

$1,934

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Wed 4/3

22:05-20:20

2 stops30h 15m

Perth

Fri 13/3

05:30-13:25

2 stops22h 55m

$1,969

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Mon 16/3

00:40-00:40

3 stops33h 00m

Perth

Tue 24/3

20:40-16:00

3 stops34h 20m

$1,974

Flights are sorted by cheapest return flights first.

Deals found on 30/1

Showing 1-10 of 18 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 30 January 2026.

The best time to book flights from San Francisco to Perth is 28 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, February is the cheapest month in which you can book a flight from San Francisco to Perth (average of $1,268). Flying from San Francisco to Perth in January is currently the most expensive (average of $1,974). 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.

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 29h 30m. Cathay Pacific provides one of the quickest options available for as low as $1,883. 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, February is the cheapest month in which you can book a flight from San Francisco to Perth (average of $1,268). Flying from San Francisco to Perth in January is currently the most expensive (average of $1,974). 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
Fremantle
Rottnest Island
Mandurah

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

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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