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 many operators does momondo search for flights from San Diego Airport to Sydney Kingsford Smith Airport?

There is 1 operator available for flights from San Diego Airport to Sydney Kingsford Smith Airport as of January 2026.

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.

$732 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 $1,718 to $2,137. The lowest price recently found on this route was $1,618.

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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.

15:35 - 06:25

SAN

SYD

21h 50m

1 stop

13:10 - 20:48

SYD

SAN

24h 38m

2 stops

$1,618Multiple Airlines

Tue, 28 Apr - Wed, 6 May

08:15 - 07:20

SAN

SYD

30h 05m

1 stop

09:55 - 23:44

SYD

SAN

30h 49m

2 stops

$1,707Multiple Airlines

Wed, 3 Jun - Wed, 17 Jun

14:18 - 18:50

SAN

SYD

35h 32m

1 stop

20:45 - 06:34

SYD

SAN

26h 49m

1 stop

$1,728Multiple Airlines

Tue, 12 May - Sat, 23 May

18:15 - 18:50

SAN

SYD

31h 35m

1 stop

20:45 - 20:42

SYD

SAN

16h 57m

1 stop

$1,736Multiple Airlines

Sun, 12 Apr - Thu, 16 Apr

20:59 - 18:50

SAN

SYD

28h 51m

2 stops

20:45 - 06:34

SYD

SAN

26h 49m

1 stop

$1,747Multiple Airlines

Tue, 12 May - Sat, 23 May

17:45 - 18:50

SAN

SYD

32h 05m

1 stop

20:45 - 07:05

SYD

SAN

27h 20m

1 stop

$1,751Multiple Airlines

Tue, 2 Jun - Tue, 23 Jun

13:07 - 18:50

SAN

SYD

36h 43m

1 stop

20:45 - 07:05

SYD

SAN

27h 20m

1 stop

$1,753Multiple Airlines

Fri, 29 May - Tue, 23 Jun

18:10 - 10:40

SAN

SYD

23h 30m

2 stops

09:55 - 17:24

SYD

SAN

24h 29m

2 stops

$1,754Multiple Airlines

Tue, 28 Apr - Wed, 6 May

18:05 - 09:35

SAN

SYD

20h 30m

1 stop

11:45 - 19:48

SYD

SAN

26h 03m

2 stops

$1,779Multiple Airlines

Mon, 2 Mar - Mon, 16 Mar

18:10 - 07:20

SAN

SYD

20h 10m

1 stop

09:55 - 23:59

SYD

SAN

31h 04m

2 stops

$1,782Multiple Airlines

Sun, 12 Apr - Thu, 16 Apr

American Airlines flights from San Diego to Sydney

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

American Airlines

13 Mar

SAN14:18San Diego

22h 37m

1 stop

SYD06:55Sydney Kingsford Smith

19 Mar

SYD13:05Sydney Kingsford Smith

28h 54m

1 stop

SAN23:59San Diego

$1,840

American Airlines

13 Mar

SAN13:16San Diego

25h 44m

2 stops

SYD09:00Sydney Kingsford Smith

19 Mar

SYD11:20Sydney Kingsford Smith

22h 40m

2 stops

SAN16:00San Diego

$1,845

American Airlines

13 Mar

SAN12:45San Diego

24h 10m

1 stop

SYD06:55Sydney Kingsford Smith

19 Mar

SYD11:20Sydney Kingsford Smith

24h 44m

2 stops

SAN18:04San Diego

$1,846

Alaska Airlines flights from San Diego to Sydney

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

Alaska Airlines

3 June

SAN17:45San Diego

32h 05m

1 stop

SYD18:50Sydney Kingsford Smith

19 June

SYD20:45Sydney Kingsford Smith

16h 45m

1 stop

SAN20:30San Diego

$1,852

Alaska Airlines

24 Jan

SAN08:23San Diego

40h 22m

1 stop

SYD19:45Sydney Kingsford Smith

27 Feb

SYD21:40Sydney Kingsford Smith

17h 39m

1 stop

SAN20:19San Diego

$1,864

Alaska Airlines

1 Feb

SAN08:23San Diego

40h 22m

1 stop

SYD19:45Sydney Kingsford Smith

15 Feb

SYD21:40Sydney Kingsford Smith

17h 39m

1 stop

SAN20:19San Diego

$1,879

Fly from

Fly to

Route

Depart

Return

Price

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 28/4

15:35-06:25

1 stop21h 50m

Sydney Kingsford Smith

Wed 6/5

13:10-20:48

2 stops24h 38m

$1,618

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 3/6

08:15-07:20

1 stop30h 05m

Sydney Kingsford Smith

Wed 17/6

09:55-23:44

2 stops30h 49m

$1,707

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 12/5

14:18-18:50

1 stop35h 32m

Sydney Kingsford Smith

Sat 23/5

20:45-06:34

1 stop26h 49m

$1,728

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 12/4

18:15-18:50

1 stop31h 35m

Sydney Kingsford Smith

Thu 16/4

20:45-20:42

1 stop16h 57m

$1,736

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 12/5

20:59-18:50

2 stops28h 51m

Sydney Kingsford Smith

Sat 23/5

20:45-06:34

1 stop26h 49m

$1,747

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 2/6

17:45-18:50

1 stop32h 05m

Sydney Kingsford Smith

Tue 23/6

20:45-07:05

1 stop27h 20m

$1,751

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 29/5

13:07-18:50

1 stop36h 43m

Sydney Kingsford Smith

Tue 23/6

20:45-07:05

1 stop27h 20m

$1,753

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 28/4

18:10-10:40

2 stops23h 30m

Sydney Kingsford Smith

Wed 6/5

09:55-17:24

2 stops24h 29m

$1,754

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 2/3

18:05-09:35

1 stop20h 30m

Sydney Kingsford Smith

Mon 16/3

11:45-19:48

2 stops26h 03m

$1,779

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 12/4

18:10-07:20

1 stop20h 10m

Sydney Kingsford Smith

Thu 16/4

09:55-23:59

2 stops31h 04m

$1,782

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 $1,410. If you aren’t able to travel to Sydney during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,423.

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 $1,645 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 $1,375 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 January 2026, prices for San Diego to Sydney flights are approximately 14% cheaper 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 30m
Direct flights	None

The fastest flight from San Diego to Sydney takes 20h 30m

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 20h 30m, 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 many operators does momondo search for flights from San Diego Airport to Sydney Kingsford Smith Airport?
There is 1 operator available for flights from San Diego Airport to Sydney Kingsford Smith Airport as of January 2026.
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.
What is the most popular airline from San Diego to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from San Diego to Sydney is United Airlines (100% of total bookings).

Best airlines flying from San Diego to Sydney

Compare and see reviews for airlines that fly from San Diego to Sydney with momondo

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,082	Free cancellation	Rating 7.4 9,188 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

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.