What is the cheapest airline that flies from San Diego to Sydney Kingsford Smith?

Air Canada is the most popular carrier operating from San Diego to Sydney Kingsford Smith

When did momondo last update prices for flights from San Diego Airport to Sydney Kingsford Smith Airport?

Prices for flights from San Diego Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

How old do you have to be to fly from San Diego Airport to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$774 Cheap Flights from San Diego to Sydney in 2026

Q: What is the typical price of a round-trip flight between San Diego and Sydney?

Prices are currently low for flights on this route. Typical prices usually range from $1,848 to $1,299. The lowest price recently found on this route was $1,486.

1 adult

Find the cheapest flights from San Diego to Sydney

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:24 - 19:10

SAN

SYD

35h 46m

2 stops

11:45 - 14:54

SYD

SAN

44h 09m

2 stops

$1,486ANA

Wed, 26 Aug - Wed, 9 Sep

14:24 - 19:10

SAN

SYD

35h 46m

2 stops

11:45 - 14:54

SYD

SAN

44h 09m

2 stops

$1,495ANA

Sat, 22 Aug - Wed, 9 Sep

07:15 - 09:25

SAN

SYD

57h 10m

2 stops

11:45 - 14:54

SYD

SAN

44h 09m

2 stops

$1,503ANA

Mon, 24 Aug - Wed, 9 Sep

09:30 - 19:10

SAN

SYD

40h 40m

2 stops

11:45 - 14:54

SYD

SAN

44h 09m

2 stops

$1,504ANA

Mon, 24 Aug - Wed, 9 Sep

08:55 - 18:50

SAN

SYD

40h 55m

1 stop

20:45 - 20:55

SYD

SAN

17h 10m

1 stop

$1,532Alaska Airlines

Tue, 19 May - Tue, 26 May

16:22 - 07:05

SAN

SYD

21h 43m

2 stops

12:00 - 20:07

SYD

SAN

25h 07m

1 stop

$1,541American Airlines

Sun, 24 May - Sun, 7 Jun

18:27 - 06:55

SAN

SYD

19h 28m

1 stop

10:20 - 11:51

SYD

SAN

18h 31m

1 stop

$1,546United Airlines

Sun, 24 May - Sun, 7 Jun

14:24 - 19:10

SAN

SYD

35h 46m

2 stops

11:45 - 14:54

SYD

SAN

44h 09m

2 stops

$1,552ANA

Fri, 21 Aug - Wed, 9 Sep

12:51 - 07:30

SAN

SYD

25h 39m

2 stops

12:00 - 17:51

SYD

SAN

22h 51m

1 stop

$1,559American Airlines

Tue, 19 May - Tue, 26 May

13:38 - 06:55

SAN

SYD

24h 17m

1 stop

12:00 - 20:00

SYD

SAN

25h 00m

1 stop

$1,560American Airlines

Mon, 7 Sep - Wed, 16 Sep

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Alaska Airlines flights from San Diego to Sydney

Our best Alaska Airlines deals on San Diego to Sydney flight tickets

Alaska Airlines

19 May

SAN08:55San Diego

40h 55m

1 stop

SYD18:50Sydney Kingsford Smith

26 May

SYD20:45Sydney Kingsford Smith

17h 10m

1 stop

SAN20:55San Diego

$1,532

Alaska Airlines

25 Aug

SAN17:15San Diego

32h 35m

1 stop

SYD18:50Sydney Kingsford Smith

8 Sept

SYD20:45Sydney Kingsford Smith

17h 14m

1 stop

SAN20:59San Diego

$1,598

Alaska Airlines

26 Aug

SAN17:15San Diego

32h 35m

1 stop

SYD18:50Sydney Kingsford Smith

1 Sept

SYD20:45Sydney Kingsford Smith

17h 14m

1 stop

SAN20:59San Diego

$1,650

American Airlines flights from San Diego to Sydney

Our best American Airlines deals on San Diego to Sydney flight tickets

American Airlines

24 May

SAN16:22San Diego

21h 43m

2 stops

SYD07:05Sydney Kingsford Smith

7 June

SYD12:00Sydney Kingsford Smith

25h 07m

1 stop

SAN20:07San Diego

$1,541

American Airlines

26 Apr

SAN16:32San Diego

21h 33m

2 stops

SYD07:05Sydney Kingsford Smith

10 May

SYD12:00Sydney Kingsford Smith

27h 00m

1 stop

SAN22:00San Diego

$1,548

American Airlines

19 May

SAN12:51San Diego

25h 39m

2 stops

SYD07:30Sydney Kingsford Smith

26 May

SYD12:00Sydney Kingsford Smith

22h 51m

1 stop

SAN17:51San Diego

$1,559

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 26/8

14:24-19:10

2 stops35h 46m

Sydney Kingsford Smith

Wed 9/9

11:45-14:54

2 stops44h 09m

$1,486

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 22/8

14:24-19:10

2 stops35h 46m

Sydney Kingsford Smith

Wed 9/9

11:45-14:54

2 stops44h 09m

$1,494

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 24/8

07:15-09:25

2 stops57h 10m

Sydney Kingsford Smith

Wed 9/9

11:45-14:54

2 stops44h 09m

$1,503

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 24/8

09:30-19:10

2 stops40h 40m

Sydney Kingsford Smith

Wed 9/9

11:45-14:54

2 stops44h 09m

$1,504

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 19/5

08:55-18:50

1 stop40h 55m

Sydney Kingsford Smith

Tue 26/5

20:45-20:55

1 stop17h 10m

$1,532

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 24/5

16:22-07:05

2 stops21h 43m

Sydney Kingsford Smith

Sun 7/6

12:00-20:07

1 stop25h 07m

$1,541

Fastest return journey

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 24/5

18:27-06:55

1 stop19h 28m

Sydney Kingsford Smith

Sun 7/6

10:20-11:51

1 stop18h 31m

$1,546

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 21/8

14:24-19:10

2 stops35h 46m

Sydney Kingsford Smith

Wed 9/9

11:45-14:54

2 stops44h 09m

$1,552

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 19/5

12:51-07:30

2 stops25h 39m

Sydney Kingsford Smith

Tue 26/5

12:00-17:51

1 stop22h 51m

$1,559

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 7/9

13:38-06:55

1 stop24h 17m

Sydney Kingsford Smith

Wed 16/9

12:00-20:00

1 stop25h 00m

$1,560

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between San Diego and Sydney?

What is the cheapest month to fly to Sydney?

The month of August is, on average, the cheapest month to fly to Sydney from San Diego, with most prices found around $1,388. If you aren’t able to travel to Sydney during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,406.

How far in advance should I book a flight from San Diego to Sydney?

You are more likely to see cheaper flights to Sydney from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,621 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from San Diego for as low as $1,044 on momondo.

Can stopping save me money on San Diego to Sydney flights?

You could potentially save up to 30% on your flight if you consider stops on a San Diego to Sydney flight.

How have San Diego to Sydney flight prices changed over time?

As of April 2026, prices for San Diego to Sydney flights are approximately 1% more expensive when compared to flights at the same time last year.

When to book flights from San Diego to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap San Diego to Sydney (SAN to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Sydney

Fastest flight time	20h 10m
Direct flights	None

The fastest flight from San Diego to Sydney takes 20h 10m

There are no direct flights from San Diego to Sydney. There are no popular flight routes from San Diego to Sydney.

Search flight deals

Frequently asked questions about flying from San Diego to Sydney

How far is San Diego to Sydney Kingsford Smith by plane?
A flight from San Diego to Sydney Kingsford Smith will travel around 12082.4 km. Flights usually cover this in 20h 10m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San Diego Airport to Sydney Kingsford Smith Airport?
Prices for flights from San Diego Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How old do you have to be to fly from San Diego Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Lithgow

Manly

Coogee

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Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from San Diego.

Can I find flights from San Diego to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from San Diego which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Diego to Sydney?

Once you have performed a search for San Diego to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Diego to Sydney right now. Can momondo alert me if prices change?

Price alerts on flights to Sydney from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.