Australia

$431+ Cheap flights from San Diego (SAN) to Australia

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SYD
Aug 3 — Aug 101
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Australia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Diego to Australia

Keep the following information in mind while searching for San Diego to Australia flight deals. Data was last updated July 29, 2025.

Round-trip from

$687
(Kiwi.com)

One-way from

$431
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$1,216
From San Diego to Australia
One-way flight from San Diego to Australia
Highest demand for flights based on searches. 5% potential increase in price ($65 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from San Diego to Australia

Cheapest flights from San Diego to Australia
Explore the most affordable flight options available from San Diego to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:17 amSAN - SYD
2 stops34h 23mMultiple Airlines
Fri 9/54:20 pmSYD - SAN
1 stop17h 10mMultiple Airlines
Deal found 7/27$687
This lol.travel deal was found by Cheapflights users on 7/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/204:11 pmSAN - SYD
2 stops21h 49mUnited Airlines
Wed 10/19:30 amSYD - SAN
2 stops20h 23mUnited Airlines
Deal found 7/28$785
This lol.travel deal was found by Cheapflights users on 7/27. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:15 amSAN - SYD
1 stop32h 05mAir Canada
Wed 8/209:20 amSYD - SAN
1 stop29h 33mAir Canada
Deal found 7/27$791
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/312:38 pmSAN - SYD
1 stop25h 17mAmerican Airlines
Wed 9/249:10 amSYD - SAN
2 stops27h 14mAmerican Airlines
Deal found 7/27$846
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:46 pmSAN - SYD
1 stop17h 49mDelta
Fri 9/269:25 amSYD - SAN
1 stop23h 00mDelta
Deal found 7/28$858
This Air Canada deal was found by Cheapflights users on 7/27. 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.
Mon 12/156:10 pmSAN - MEL
2 stops45h 25mAir Canada
Thu 12/2511:00 amMEL - SAN
2 stops25h 24mAir Canada
Deal found 7/27$918
This Air Canada deal was found by Cheapflights users on 7/29. 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 11/1312:45 pmSAN - BNE
1 stop26h 00mAir Canada
Tue 11/2510:45 amBNE - SAN
1 stop19h 18mAir Canada
Deal found 7/29$931
This Air Canada deal was found by Cheapflights users on 7/29. 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 11/1312:45 pmSAN - BNE
1 stop26h 00mMultiple Airlines
Tue 11/256:40 amBNE - SAN
2 stops23h 23mMultiple Airlines
Deal found 7/29$971
This Air Canada deal was found by Cheapflights users on 7/28. 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.
Thu 8/145:00 pmSAN - MEL
2 stops25h 05mMultiple Airlines
Thu 8/216:00 amMEL - SAN
2 stops27h 13mMultiple Airlines
Deal found 7/28$984
This oojo deal was found by Cheapflights users on 7/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/152:21 pmSAN - MEL
2 stops27h 29mAir New Zealand
Sun 9/287:35 amMEL - SAN
2 stops33h 06mAir New Zealand
Deal found 7/28$1,046
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:40 pmSAN - BNE
2 stops40h 20mAir New Zealand
Tue 11/2511:10 amBNE - SAN
2 stops30h 34mAir New Zealand
Deal found 7/29$1,047
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/164:01 pmSAN - BNE
1 stop21h 29mUnited Airlines
Fri 11/2811:40 amBNE - SAN
1 stop21h 15mUnited Airlines
Deal found 7/27$1,068

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Australia 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 July 29, 2025.
Use the filters below to find and compare flights from San Diego to Australia that are best for you.

Fly from

San Diego

Fly to

Australia

Route

Depart

Return

Price

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 8/21

11:17 am-2:40 pm

2 stops34h 23m

Sydney Kingsford Smith

Fri 9/5

4:20 pm-4:30 pm

1 stop17h 10m

$687

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 9/20

4:11 pm-7:00 am

2 stops21h 49m

Sydney Kingsford Smith

Wed 10/1

9:30 am-12:53 pm

2 stops20h 23m

$785

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 10/18

4:40 pm-8:20 am

1 stop21h 40m

Sydney Kingsford Smith

Fri 10/31

10:20 am-12:03 pm

1 stop19h 43m

$791

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 9/3

1:06 pm-7:05 am

2 stops24h 59m

Sydney Kingsford Smith

Wed 9/24

9:10 am-7:24 pm

2 stops27h 14m

$846

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 9/11

7:46 pm-6:35 am

1 stop17h 49m

Sydney Kingsford Smith

Fri 9/26

9:25 am-3:25 pm

1 stop23h 00m

$858

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Thu 11/13

12:45 pm-8:45 am

1 stop26h 00m

Brisbane

Tue 11/25

10:45 am-12:03 pm

1 stop19h 18m

$931

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Thu 11/13

12:45 pm-8:45 am

1 stop26h 00m

Brisbane

Tue 11/25

6:40 am-12:03 pm

2 stops23h 23m

$971

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Thu 8/14

5:00 pm-11:05 am

2 stops25h 05m

Melbourne

Thu 8/21

6:00 am-4:13 pm

2 stops27h 13m

$984

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Mon 9/15

2:21 pm-10:50 am

2 stops27h 29m

Melbourne

Sun 9/28

7:35 am-11:41 pm

2 stops33h 06m

$1,046

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Thu 11/13

8:40 pm-7:00 am

2 stops40h 20m

Brisbane

Tue 11/25

11:10 am-11:44 pm

2 stops30h 34m

$1,047

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 50 results
1
2
3
...
5

Best time to book a flight from San Diego to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from San Diego 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.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Australia

What is the cheapest month to book a flight from San Diego to Australia?

Currently, February is the cheapest month in which you can book a flight from San Diego to Australia (average of $1,028). Flying from San Diego to Australia in December is currently the most expensive (average of $1,619). 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 SAN to AU?

Find hourly flight availability from San Diego to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

When flying from San Diego to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated July 29, 2025.
Peruse reviews from past customers who have flown with ANA, Asiana Airlines, and Singapore Airlines from San Diego to Australia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.4
Very good

Food

7.7

Comfort

8.2

Boarding

8.5

Crew

8.7

Entertainment

7.9

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very good
8.4
Very good

Food

7.7

Comfort

8.2

Boarding

8.5

Crew

8.7

Entertainment

7.9

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very good

Food

7.7

Comfort

8.2

Boarding

8.5

Crew

8.7

Entertainment

7.9

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very good

Food

7.7

Comfort

8.2

Boarding

8.5

Crew

8.7

Entertainment

7.9

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very good

Food

7.7

Comfort

8.2

Boarding

8.5

Crew

8.7

Entertainment

7.9

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.0
Very good
8.4
Very good

Food

7.7

Comfort

8.2

Boarding

8.5

Crew

8.7

Entertainment

7.9

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Related info for your journey

Find useful and relevant information for your journey from San Diego to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Diego to Australia?

    If you book a flight to Australia from San Diego, you will be flying from San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego.

  • What are the cheapest airlines to fly from San Diego to Australia one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $452. Users have also found prices from $486 and $496 on American Airlines and United Airlines, respectively.

  • What are the most popular routes from San Diego to Australia?

  • Can I find deals for flights from San Diego to Australia that include hotel bookings?

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

  • How can I find direct flights from San Diego to Australia?

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

  • Can I find deals for business class flights from San Diego to Australia?

    Yes. Cheapflights offers flight deals from San Diego to Australia 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 Diego to Australia?

    Currently, February is the cheapest month in which you can book a flight from San Diego to Australia (average of $1,028). Flying from San Diego to Australia in December is currently the most expensive (average of $1,619). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Australia

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

Top 5 airlines flying from San Diego to Australia

Discover the top 5 airlines that operate flights from San Diego to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$748Average$1,350FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$828Average$984FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$872Average$1,271FlexibilityNo cancel feeOn-time69%
DeltaCheapest$950Average$1,214FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$1,138Average$1,393FlexibilityNo cancel feeOn-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.