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$712+ Cheap flights from San Francisco (SFO) to Sydney, NS (YQY)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YQY
May 29 — Jun 51
Fri 5/29
Fri 6/5
1 adult, Economy
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Cheap flight deals from San Francisco to Sydney

Cheapest flights from San Francisco to Sydney
Explore the most affordable flight options available from San Francisco to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.

This Air Canada deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:35 am
SFO
-
YQY
1 stop9h 10m
Air Canada
Fri 10/25:05 am
YQY
-
SFO
1 stop11h 29m
Air Canada
Deal found 4/27$712
This Air Canada deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:10 am
SFO
-
YQY
2 stops13h 35m
Air Canada
Wed 9/305:05 am
YQY
-
SFO
2 stops14h 16m
Air Canada
Deal found 4/28$722
This Gotogate deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:30 am
SFO
-
YQY
1 stop11h 44m
Air Canada
Thu 5/215:00 am
YQY
-
SFO
1 stop11h 40m
Air Canada
Deal found 4/25$756
This Air Canada deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:30 am
SFO
-
YQY
1 stop11h 37m
Air Canada
Wed 7/295:00 am
YQY
-
SFO
1 stop11h 32m
Air Canada
Deal found 4/26$835
This Air Canada deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:30 am
SFO
-
YQY
1 stop11h 39m
Air Canada
Wed 6/175:05 am
YQY
-
SFO
1 stop11h 35m
Air Canada
Deal found 4/26$870
This Air Canada deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:30 am
SFO
-
YQY
1 stop11h 37m
Air Canada
Sat 7/185:00 am
YQY
-
SFO
1 stop9h 42m
Air Canada
Deal found 4/26$916

Find flight deals from San Francisco to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Sydney (YQY). 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 April 29, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$712
(Air Canada)
Provider with most accurate pricing for San Francisco-Sydney flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Sydney flights.
Search Deals
From San Francisco to Sydney
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Sydney 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 2,558,603 searches. Data last updated April 29, 2026.
Use the filters below to find and compare flights from San Francisco to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSydney

SFO - YQY

SFOYQY

San Francisco

Tue 9/29

7:10 am-12:45 am

2 stops13h 35m

Sydney

Fri 10/2

5:05 am-3:21 pm

2 stops14h 16m

$712
Quickest round-trip

San FranciscoSydney

SFO - YQY

SFOYQY

San Francisco

Sat 9/26

7:10 am-12:45 am

2 stops13h 35m

Sydney

Wed 9/30

5:05 am-10:39 am

1 stop9h 34m

$722

San FranciscoSydney

SFO - YQY

SFOYQY

San Francisco

Wed 7/22

8:30 am-12:07 am

1 stop11h 37m

Sydney

Wed 7/29

5:00 am-12:32 pm

1 stop11h 32m

$835

San FranciscoSydney

SFO - YQY

SFOYQY

San Francisco

Wed 6/10

8:30 am-12:09 am

1 stop11h 39m

Sydney

Wed 6/17

5:05 am-12:40 pm

1 stop11h 35m

$870

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on San Francisco-Sydney, Nova Scotia flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Francisco-Sydney, Nova Scotia flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from San Francisco-Sydney, Nova Scotia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Sydney, Nova Scotia flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Sydney, Nova Scotia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from San Francisco with our price prediction graph.
Estimated round-trip 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.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Sydney. 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 Sydney, Nova Scotia?

    For as low as $712, Air Canada can have you in Sydney, Nova Scotia from San Francisco in 13h 35m. There are 3174 mi between San Francisco and Sydney, Nova Scotia.

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

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

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

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

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

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

See more FAQs

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