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$537+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SYD
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap 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 diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
dom. 12/148:45 amSAN - MEL
2 stops29h 45mUnited Airlines
dom. 12/2811:30 amMEL - SAN
2 stops28h 18mUnited Airlines
Deal found 12/10$1,001
This American Airlines deal was found by Cheapflights users on 12/11. 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.
dom. 12/143:40 pmSAN - BNE
1 stop20h 50mAmerican Airlines
mar. 12/3012:10 pmBNE - SAN
2 stops24h 27mAmerican Airlines
Deal found 12/11$1,034
This United Airlines deal was found by Cheapflights users on 12/9. 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.
dom. 12/144:08 pmSAN - BNE
1 stop21h 22mUnited Airlines
mar. 12/3011:40 amBNE - SAN
1 stop19h 22mUnited Airlines
Deal found 12/9$1,039
This United Airlines deal was found by Cheapflights users on 12/9. 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.
mar. 12/168:45 amSAN - BNE
2 stops28h 45mUnited Airlines
mié. 12/3111:40 amBNE - SAN
2 stops27h 07mUnited Airlines
Deal found 12/9$1,043
This Delta deal was found by Cheapflights users on 12/10. 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.
dom. 12/217:10 pmSAN - MEL
2 stops41h 50mDelta
vie. 12/2610:10 amMEL - SAN
1 stop24h 23mDelta
Deal found 12/10$1,224
This United Airlines deal was found by Cheapflights users on 12/10. 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.
dom. 12/216:15 amSAN - MEL
2 stops32h 15mUnited Airlines
vie. 12/261:00 pmMEL - SAN
2 stops25h 57mUnited Airlines
Deal found 12/10$1,277
This Air Canada deal was found by Cheapflights users on 12/8. 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.
mié. 12/106:10 pmSAN - SYD
1 stop20h 25mAir Canada
mié. 12/1711:20 amSYD - SAN
1 stop25h 04mAir Canada
Deal found 12/8$1,454
This Air Canada deal was found by Cheapflights users on 12/8. 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.
mié. 12/106:10 pmSAN - SYD
1 stop20h 25mMultiple Airlines
mié. 12/176:20 amSYD - SAN
2 stops24h 43mMultiple Airlines
Deal found 12/8$1,459
This United Airlines deal was found by Cheapflights users on 12/10. 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.
mar. 12/309:00 amSAN - SYD
2 stops26h 20mUnited Airlines
dom. 1/1111:20 amSYD - SAN
2 stops22h 44mUnited Airlines
Deal found 12/10$1,464
This United Airlines deal was found by Cheapflights users on 12/8. 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.
mié. 12/244:00 pmSAN - SYD
1 stop19h 20mUnited Airlines
mié. 12/3111:20 amSYD - SAN
1 stop18h 10mUnited Airlines
Deal found 12/8$1,473
This Delta deal was found by Cheapflights users on 12/8. 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.
mié. 12/244:15 pmSAN - SYD
1 stop21h 15mDelta
mié. 12/3110:40 amSYD - SAN
2 stops41h 15mDelta
Deal found 12/8$1,493
This United Airlines deal was found by Cheapflights users on 12/8. 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.
mié. 12/2411:12 amSAN - SYD
2 stops24h 08mUnited Airlines
jue. 1/12:00 pmSYD - SAN
2 stops28h 37mUnited Airlines
Deal found 12/8$1,527

Find 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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$911
(Travelocity)

One-way from

$537
(Priceline)

Popular in

January

Cheapest in

August

Average price

$1,179
Provider with most accurate pricing for San Diego-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Sydney Kingsford Smith flights.
Search Deals
From San Diego to Australia
Search Deals
One-way flight from San Diego to Australia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 12, 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

dom. 3/1

6:05 pm-9:35 am

1 stop20h 30m

Sydney Kingsford Smith

jue. 3/12

7:30 am-12:03 pm

2 stops22h 33m

$968

San DiegoMelbourne

SAN - AVV

SANAVV

San Diego

mar. 1/20

12:45 pm-3:50 pm

2 stops32h 05m

Melbourne Avalon

vie. 1/30

6:00 am-5:24 pm

2 stops30h 24m

$972

San DiegoAdelaide

SAN - ADL

SANADL

San Diego

lun. 1/19

6:05 pm-10:30 pm

2 stops33h 55m

Adelaide

lun. 1/26

7:55 pm-12:03 pm

2 stops34h 38m

$985

San DiegoMelbourne

SAN - AVV

SANAVV

San Diego

lun. 5/11

5:00 pm-10:50 pm

2 stops36h 50m

Melbourne Avalon

sáb. 5/23

8:55 pm-12:02 pm

2 stops32h 07m

$994

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

jue. 2/12

7:50 pm-10:00 am

1 stop19h 10m

Melbourne

vie. 2/20

1:00 pm-8:49 pm

1 stop26h 49m

$996

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

mar. 4/28

6:26 pm-8:15 am

1 stop20h 49m

Melbourne

mié. 5/13

10:55 am-8:38 pm

1 stop26h 43m

$996

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

lun. 4/27

4:26 pm-8:15 am

1 stop22h 49m

Melbourne

mié. 5/13

10:55 am-11:54 am

1 stop17h 59m

$996

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

mié. 3/4

11:57 am-10:00 am

1 stop27h 03m

Melbourne

mié. 3/18

12:00 pm-2:49 pm

1 stop20h 49m

$996

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

mar. 4/28

4:26 pm-8:15 am

1 stop22h 49m

Melbourne

dom. 5/17

9:30 am-5:24 pm

1 stop24h 54m

$996

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

dom. 3/1

11:57 am-10:00 am

1 stop27h 03m

Melbourne

dom. 4/12

10:55 am-11:47 am

1 stop17h 52m

$996

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 53 results
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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, September is the cheapest month in which you can book a flight from San Diego to Australia (average of $530). Flying from San Diego to Australia in January is currently the most expensive (average of $1,056). 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 diciembre 12, 2025.

It’s optimal to fly from San Diego to Australia in the morning. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from San Diego to Australia?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Australia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to Australia flight should consider departing on Monday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 diciembre 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Air New Zealand, and Delta 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.
Alaska Airlines
8.0
Very good
11,431 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,431 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Air New Zealand
8.0
Very good
552 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,005 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Air Canada
7.1
Good
10,514 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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.

  • How long is the flight from San Diego to Australia?

    Airlines like Air Canada, United Airlines, and Air New Zealand fly from San Diego to Australia in about 19h 10m. The time it takes to get you to your destination can typically vary by up to 8h 32m. San Diego and Australia are separated by a distance of 7940 mi. This flight may include one or multiple stops.

  • 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 $451. Users have also found prices from $469 and $495 on United Airlines and Delta, respectively.

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

    While some choose either San Diego - Melbourne or San Diego - Brisbane, San Diego - Sydney Kingsford Smith is the most popular route 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, September is the cheapest month in which you can book a flight from San Diego to Australia (average of $530). Flying from San Diego to Australia in January is currently the most expensive (average of $1,056). 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

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Top 7 airlines flying from San Diego to Australia

Discover the top 7 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$771Average$996FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$845Average$940FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$873Average$1,150FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$934Average$1,161FlexibilityNo cancel feeOn-time75%
DeltaCheapest$949Average$1,121FlexibilityNo cancel feeOn-timeN/A
Air New ZealandCheapest$956Average$1,192FlexibilityNo cancel feeOn-time78%
Hawaiian AirlinesCheapest$1,138Average$1,352FlexibilityNo cancel feeOn-time85%

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