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.

$691 Cheap Flights from San Diego to Sydney in 2026

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Find the cheapest flights from San Diego to Sydney

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11:03 - 08:45

SAN

SYD

27h 42m

2 stops

11:45 - 19:48

SYD

SAN

26h 03m

2 stops

$1,421Air New Zealand

Tue, 10 Mar - Tue, 17 Mar

10:49 - 08:45

SAN

SYD

28h 56m

2 stops

11:55 - 19:51

SYD

SAN

24h 56m

2 stops

$1,478Air New Zealand

Fri, 29 May - Sun, 7 Jun

06:20 - 08:45

SAN

SYD

33h 25m

2 stops

07:50 - 23:59

SYD

SAN

33h 09m

2 stops

$1,486Air New Zealand

Sun, 21 Jun - Sun, 28 Jun

20:32 - 10:40

SAN

SYD

45h 08m

2 stops

19:20 - 19:51

SYD

SAN

41h 31m

2 stops

$1,493Air New Zealand

Mon, 15 Jun - Mon, 22 Jun

06:15 - 08:45

SAN

SYD

33h 30m

2 stops

11:55 - 23:59

SYD

SAN

29h 04m

2 stops

$1,505Air New Zealand

Sun, 24 May - Tue, 2 Jun

12:30 - 06:10

SAN

SYD

22h 40m

1 stop

14:00 - 21:34

SYD

SAN

25h 34m

2 stops

$1,512Multiple Airlines

Tue, 3 Mar - Wed, 11 Mar

16:26 - 10:40

SAN

SYD

25h 14m

2 stops

19:20 - 17:24

SYD

SAN

39h 04m

2 stops

$1,519Air New Zealand

Fri, 1 May - Sat, 9 May

10:49 - 08:45

SAN

SYD

28h 56m

2 stops

09:10 - 19:51

SYD

SAN

27h 41m

3 stops

$1,539Air New Zealand

Sun, 24 May - Tue, 2 Jun

07:45 - 08:45

SAN

SYD

31h 00m

2 stops

13:55 - 20:53

SYD

SAN

24h 58m

2 stops

$1,555Air New Zealand

Wed, 11 Mar - Wed, 18 Mar

20:32 - 07:00

SAN

SYD

17h 28m

1 stop

09:55 - 19:51

SYD

SAN

26h 56m

2 stops

$1,596Air New Zealand

Sun, 24 May - Tue, 2 Jun

Air New Zealand flights from San Diego to Sydney

Our best Air New Zealand deals on San Diego to Sydney flight tickets

Air New Zealand

29 May

SAN10:49San Diego

28h 56m

2 stops

SYD08:45Sydney Kingsford Smith

7 June

SYD11:55Sydney Kingsford Smith

24h 56m

2 stops

SAN19:51San Diego

$1,478

Air New Zealand

21 June

SAN06:20San Diego

33h 25m

2 stops

SYD08:45Sydney Kingsford Smith

28 June

SYD07:50Sydney Kingsford Smith

33h 09m

2 stops

SAN23:59San Diego

$1,486

Air New Zealand

15 June

SAN20:32San Diego

45h 08m

2 stops

SYD10:40Sydney Kingsford Smith

22 June

SYD19:20Sydney Kingsford Smith

41h 31m

2 stops

SAN19:51San Diego

$1,493

Qantas Airways flights from San Diego to Sydney

Our best Qantas Airways deals on San Diego to Sydney flight tickets

Qantas Airways

2 Mar

SAN14:46San Diego

35h 04m

2 stops

SYD20:50Sydney Kingsford Smith

9 Mar

SYD19:15Sydney Kingsford Smith

38h 34m

2 stops

SAN15:49San Diego

$1,608

Qantas Airways

3 Mar

SAN14:46San Diego

32h 39m

2 stops

SYD18:25Sydney Kingsford Smith

10 Mar

SYD19:15Sydney Kingsford Smith

43h 22m

2 stops

SAN20:37San Diego

$1,700

Qantas Airways

2 Mar

SAN14:46San Diego

32h 39m

2 stops

SYD18:25Sydney Kingsford Smith

9 Mar

SYD10:15Sydney Kingsford Smith

47h 34m

2 stops

SAN15:49San Diego

$1,784

Fly from

Fly to

Route

Depart

Return

Price

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 10/3

11:03-08:45

2 stops27h 42m

Sydney Kingsford Smith

Tue 17/3

11:45-19:48

2 stops26h 03m

$1,421

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 29/5

10:49-08:45

2 stops28h 56m

Sydney Kingsford Smith

Sun 7/6

11:55-19:51

2 stops24h 56m

$1,478

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 21/6

06:20-08:45

2 stops33h 25m

Sydney Kingsford Smith

Sun 28/6

07:50-23:59

2 stops33h 09m

$1,486

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 15/6

20:32-10:40

2 stops45h 08m

Sydney Kingsford Smith

Mon 22/6

19:20-19:51

2 stops41h 31m

$1,493

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 24/5

06:15-08:45

2 stops33h 30m

Sydney Kingsford Smith

Tue 2/6

11:55-23:59

2 stops29h 04m

$1,505

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 3/3

12:30-06:10

1 stop22h 40m

Sydney Kingsford Smith

Wed 11/3

14:00-21:34

2 stops25h 34m

$1,512

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 1/5

16:26-10:40

2 stops25h 14m

Sydney Kingsford Smith

Sat 9/5

19:20-17:24

2 stops39h 04m

$1,519

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 24/5

10:49-08:45

2 stops28h 56m

Sydney Kingsford Smith

Tue 2/6

09:10-19:51

3 stops27h 41m

$1,539

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 11/3

07:45-08:45

2 stops31h 00m

Sydney Kingsford Smith

Wed 18/3

13:55-20:53

2 stops24h 58m

$1,555

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 24/5

20:32-07:00

1 stop17h 28m

Sydney Kingsford Smith

Tue 2/6

09:55-19:51

2 stops26h 56m

$1,596

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 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 $1,342. 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 $1,345.

How far in advance should I book a flight 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 $1,613 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 $1,339 on momondo.

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

You could potentially save up to 61% 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 February 2026, prices for San Diego to Sydney flights are approximately 3% 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	21h 45m
Direct flights	None

The fastest flight from San Diego to Sydney takes 21h 45m

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

Search flight deals

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 21h 45m, 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.

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Manly

Leura

Coogee

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

Swansea

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.