Which airport is the most popular layover for flights between San Diego and Sydney?

Los Angeles (LAX) was the most common stop: 78% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Sydney?

United Airlines, Delta and Air New Zealand are the top three most popular airlines that fly to Sydney from San Diego according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 5 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from San Diego to Sydney?

San Francisco (SFO) has the shortest average layover time for this route: 1h 55m.

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

Alaska Airlines and United Airlines are the most popular carriers operating from San Diego to Sydney Kingsford Smith

Which layover airport offers the lowest fares from San Diego to Sydney?

Flights via Vancouver (YVR) offer the lowest average round-trip price of $1,028.

Which layover airport has the shortest travel time from San Diego to Sydney?

Flights connecting via Los Angeles (LAX) have the shortest average one-way travel time: 18h 07m.

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 refresh daily.

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

There are 5 operators available for flights from San Diego Airport to Sydney Kingsford Smith Airport as of August 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$542 Cheap Flights from San Diego to Sydney in 2026

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6:30 am - 8:35 amSAN San Diego-SYD Sydney Kingsford Smith

31h 05m2 stops Los Angeles Los Angeles Auckland Intl

11:50 am - 5:29 pmSYD Sydney Kingsford Smith-SAN San Diego

24h 39m2 stops Auckland Intl Los Angeles Los Angeles

$1,017Air New Zealand

Wed, Jan 27 - Tue, Feb 16

7:30 am - 10:35 amSAN San Diego-SYD Sydney Kingsford Smith

32h 05m2 stops San Francisco Auckland Intl

11:50 am - 5:17 pmSYD Sydney Kingsford Smith-SAN San Diego

24h 27m2 stops Auckland Intl Los Angeles Los Angeles

$1,017Air New Zealand

Sun, Nov 8 - Tue, Nov 17

5:17 pm - 7:45 pmSAN San Diego-SYD Sydney Kingsford Smith

31h 28m1 stop Honolulu

9:40 pm - 8:08 pmSYD Sydney Kingsford Smith-SAN San Diego

17h 28m1 stop Honolulu

$1,102Alaska Airlines

Sun, Nov 8 - Tue, Nov 17

8:35 am - 6:50 pmSAN San Diego-SYD Sydney Kingsford Smith

40h 15m1 stop Honolulu

9:40 pm - 8:44 pmSYD Sydney Kingsford Smith-SAN San Diego

17h 04m1 stop Honolulu

$1,102Alaska Airlines

Tue, Oct 13 - Tue, Oct 27

12:08 pm - 6:55 amSAN San Diego-SYD Sydney Kingsford Smith

25h 47m1 stop Dallas/Fort Worth

10:10 am - 3:39 pmSYD Sydney Kingsford Smith-SAN San Diego

23h 29m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

$1,304American Airlines

Tue, Sep 29 - Tue, Oct 6

12:54 pm - 7:05 amSAN San Diego-SYD Sydney Kingsford Smith

25h 11m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

10:10 am - 3:36 pmSYD Sydney Kingsford Smith-SAN San Diego

23h 26m2 stops Los Angeles Los Angeles Dallas/Fort Worth

$1,304American Airlines

Tue, Sep 29 - Tue, Oct 6

7:41 pm - 9:20 amSAN San Diego-SYD Sydney Kingsford Smith

18h 39m1 stop San Francisco

11:50 am - 1:47 pmSYD Sydney Kingsford Smith-SAN San Diego

20h 57m1 stop San Francisco

$1,308United Airlines

Mon, Nov 2 - Mon, Nov 16

7:41 pm - 9:20 amSAN San Diego-SYD Sydney Kingsford Smith

18h 39m1 stop San Francisco

11:50 am - 1:44 pmSYD Sydney Kingsford Smith-SAN San Diego

20h 54m1 stop San Francisco

$1,308United Airlines

Sun, Nov 29 - Tue, Dec 15

3:00 pm - 6:50 amSAN San Diego-SYD Sydney Kingsford Smith

22h 50m1 stop Los Angeles Los Angeles

9:15 am - 10:10 amSYD Sydney Kingsford Smith-SAN San Diego

17h 55m1 stop Los Angeles Los Angeles

$1,308Delta

Wed, Sep 9 - Wed, Sep 23

7:53 pm - 6:50 amSAN San Diego-SYD Sydney Kingsford Smith

17h 57m1 stop Los Angeles Los Angeles

10:15 am - 3:10 pmSYD Sydney Kingsford Smith-SAN San Diego

22h 55m1 stop Los Angeles Los Angeles

$1,308Delta

Mon, Sep 28 - Tue, Oct 6

Cheap last minute flights

Enter your travel dates to find the best prices.

5:00 pm - 8:45 amSAN San Diego-SYD Sydney Kingsford Smith

22h 45m2 stops Los Angeles Los Angeles Auckland Intl

9:55 am - 8:02 pmSYD Sydney Kingsford Smith-SAN San Diego

27h 07m2 stops Auckland Intl Los Angeles Los Angeles

$1,107Air New Zealand

Sat, Aug 22 - Wed, Sep 9

5:00 pm - 8:45 amSAN San Diego-SYD Sydney Kingsford Smith

22h 45m2 stops Los Angeles Los Angeles Auckland Intl

9:55 am - 8:02 pmSYD Sydney Kingsford Smith-SAN San Diego

27h 07m2 stops Auckland Intl Los Angeles Los Angeles

$1,120Air New Zealand

Sat, Aug 22 - Wed, Sep 9

5:00 pm - 8:45 amSAN San Diego-SYD Sydney Kingsford Smith

22h 45m2 stops Los Angeles Los Angeles Auckland Intl

7:20 pm - 5:28 pmSYD Sydney Kingsford Smith-SAN San Diego

39h 08m2 stops Auckland Intl Los Angeles Los Angeles

$1,126Air New Zealand

Tue, Aug 18 - Mon, Sep 7

9:00 am - 6:50 pmSAN San Diego-SYD Sydney Kingsford Smith

40h 50m1 stop Honolulu

8:45 pm - 8:59 pmSYD Sydney Kingsford Smith-SAN San Diego

17h 14m1 stop Honolulu

$1,186Alaska Airlines

Fri, Aug 21 - Fri, Aug 28

3:56 pm - 6:55 amSAN San Diego-SYD Sydney Kingsford Smith

21h 59m1 stop San Francisco

10:20 am - 3:54 pmSYD Sydney Kingsford Smith-SAN San Diego

22h 34m1 stop San Francisco

$1,238United Airlines

Tue, Aug 18 - Mon, Sep 7

3:56 pm - 6:55 amSAN San Diego-SYD Sydney Kingsford Smith

21h 59m1 stop San Francisco

10:20 am - 2:50 pmSYD Sydney Kingsford Smith-SAN San Diego

21h 30m2 stops San Francisco Denver Intl

$1,243United Airlines

Tue, Aug 18 - Mon, Sep 7

5:00 pm - 6:55 amSAN San Diego-SYD Sydney Kingsford Smith

44h 55m2 stops Los Angeles Los Angeles San Francisco

10:20 am - 10:17 amSYD Sydney Kingsford Smith-SAN San Diego

16h 57m1 stop San Francisco

$1,255United Airlines

Sat, Aug 22 - Wed, Sep 9

2:24 pm - 7:10 pmSAN San Diego-SYD Sydney Kingsford Smith

35h 46m2 stops Los Angeles Los Angeles Tokyo Haneda

11:45 am - 7:55 pmSYD Sydney Kingsford Smith-SAN San Diego

49h 10m2 stops Tokyo Haneda Los Angeles Los Angeles

$1,296ANA

Fri, Aug 21 - Fri, Aug 28

11:04 am - 6:25 amSAN San Diego-SYD Sydney Kingsford Smith

26h 21m1 stop San Francisco

8:45 pm - 8:59 pmSYD Sydney Kingsford Smith-SAN San Diego

17h 14m1 stop Honolulu

$1,515Multiple Airlines

Tue, Aug 18 - Thu, Aug 20

3:00 pm - 6:50 amSAN San Diego-SYD Sydney Kingsford Smith

22h 50m1 stop Los Angeles Los Angeles

9:15 am - 3:01 pmSYD Sydney Kingsford Smith-SAN San Diego

22h 46m1 stop Los Angeles Los Angeles

$1,959Delta

Sat, Aug 22 - Wed, Sep 9

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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

Oct 28

SAN4:45 pmSan Diego

21h 50m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 16

SYD9:55 amSydney Kingsford Smith

29h 29m

2 stops

SAN8:24 pmSan Diego

$1,017

Air New Zealand

Oct 28

SAN2:30 pmSan Diego

24h 05m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 18

SYD11:50 amSydney Kingsford Smith

24h 27m

2 stops

SAN5:17 pmSan Diego

$1,018

Air New Zealand

Oct 26

SAN4:45 pmSan Diego

21h 50m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 2

SYD7:30 amSydney Kingsford Smith

28h 47m

2 stops

SAN5:17 pmSan Diego

$1,037

Alaska Airlines flights from San Diego to Sydney

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

Alaska Airlines

Nov 8

SAN5:17 pmSan Diego

31h 28m

1 stop

SYD7:45 pmSydney Kingsford Smith

Nov 17

SYD9:40 pmSydney Kingsford Smith

17h 28m

1 stop

SAN8:08 pmSan Diego

$1,105

Alaska Airlines

Oct 13

SAN5:00 pmSan Diego

31h 50m

1 stop

SYD6:50 pmSydney Kingsford Smith

Oct 20

SYD8:45 pmSydney Kingsford Smith

17h 54m

1 stop

SAN8:39 pmSan Diego

$1,108

Alaska Airlines

Nov 17

SAN5:17 pmSan Diego

31h 28m

1 stop

SYD7:45 pmSydney Kingsford Smith

Dec 1

SYD9:40 pmSydney Kingsford Smith

28h 10m

1 stop

SAN6:50 amSan Diego

$1,116

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 1/27

6:30 am-8:35 am

2 stops31h 05m

Sydney Kingsford Smith

Tue 2/16

11:50 am-5:29 pm

2 stops24h 39m

$1,017

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 11/8

7:30 am-10:35 am

2 stops32h 05m

Sydney Kingsford Smith

Tue 11/17

11:50 am-5:17 pm

2 stops24h 27m

$1,017

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 11/8

5:17 pm-7:45 pm

1 stop31h 28m

Sydney Kingsford Smith

Tue 11/17

9:40 pm-8:08 pm

1 stop17h 28m

$1,102

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 10/13

8:35 am-6:50 pm

1 stop40h 15m

Sydney Kingsford Smith

Tue 10/27

9:40 pm-8:44 pm

1 stop17h 04m

$1,102

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 9/29

12:08 pm-6:55 am

1 stop25h 47m

Sydney Kingsford Smith

Tue 10/6

10:10 am-3:39 pm

2 stops23h 29m

$1,304

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 9/29

12:54 pm-7:05 am

2 stops25h 11m

Sydney Kingsford Smith

Tue 10/6

10:10 am-3:36 pm

2 stops23h 26m

$1,304

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Mon 11/2

7:41 pm-9:20 am

1 stop18h 39m

Sydney Kingsford Smith

Mon 11/16

11:50 am-1:47 pm

1 stop20h 57m

$1,308

Quickest round-trip

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 11/29

7:41 pm-9:20 am

1 stop18h 39m

Sydney Kingsford Smith

Tue 12/15

11:50 am-1:44 pm

1 stop20h 54m

$1,308

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 9/9

3:00 pm-6:50 am

1 stop22h 50m

Sydney Kingsford Smith

Wed 9/23

9:15 am-10:10 am

1 stop17h 55m

$1,308

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Mon 9/28

7:53 pm-6:50 am

1 stop17h 57m

Sydney Kingsford Smith

Tue 10/6

10:15 am-3:10 pm

1 stop22h 55m

$1,308

Flights are sorted by cheapest round-trip 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

Layovers

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

Prices are currently typical for flights on this route.

Typical prices usually range from $949 to $1,338.
The lowest price recently found on this route was $1,017.

What is the cheapest month to fly to Sydney?

In general, April is the cheapest month to fly from San Diego to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,005. If you are unable to visit Sydney during the month of April, then departing from San Diego during the month October is also very affordable. Most momondo users find prices during this month for around $1,091.

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 $1,224 when searching weeks out. 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 $848 on momondo.

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

As of August 2026, prices for San Diego to Sydney flights are approximately 33% 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 round-trip 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

Best Price Found	$542
Fastest flight time	19h 27m
Direct flights	None

The best one-way flight to Sydney from San Diego in the past 72 hours is $542. The best round-trip flight deal from San Diego to Sydney found on momondo in the last 72 hours is $1,017.

The fastest flight from San Diego to Sydney takes 19h 27m

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?
Sydney Kingsford Smith is 7507.7 mi away from San Diego. In terms of flight time, this usually takes a little over 19h 27m.
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 refresh daily.
How many operators does momondo search for flights from San Diego Airport to Sydney Kingsford Smith Airport?
There are 5 operators available for flights from San Diego Airport to Sydney Kingsford Smith Airport as of August 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from San Diego to Sydney?
Based on momondo bookings for flights between San Diego and Sydney, the leading airline is United Airlines, making up 44% of the total bookings. Other popular airlines include Delta with 21%, Air New Zealand with 15%, and Air Canada with 14%.

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
Air Canada	PriceFrom $501	Free Cancellation	Rating 7.1 11,487 reviews	Search Air Canada flights
American Airlines	PriceFrom $881	Free Cancellation	Rating 7.1 11,948 reviews	Search American Airlines flights
United Airlines	PriceFrom $929	Free Cancellation	Rating 7.4 10,106 reviews	Search United Airlines flights
Delta	PriceFrom $949	Free Cancellation	Rating 7.8 8,504 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,075	Free Cancellation	Rating 8.0 662 reviews	Search Air New Zealand flights

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Why use momondo?

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

It is quick and easy to find San Diego to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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

Yes. momondo enables you to select and highlight flights to Sydney from San Diego with this policy.

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?

Yes. momondo can track prices for San Diego to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from San Diego to Sydney from $542

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Sydney departing on 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air New Zealand flights from San Diego to Sydney

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

Alaska Airlines flights from San Diego to Sydney

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

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See travel insights to Sydney from

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

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

What is the cheapest month to fly to Sydney?

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

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

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

What airlines fly to Sydney?

Which airport is the most popular layover for flights between San Diego and Sydney?

Which layover airport offers the lowest fares from San Diego to Sydney?

Which layover airport has the shortest travel time from San Diego to Sydney?

Which layover airport has the shortest connection time from San Diego to Sydney?

When to book flights from San Diego to Sydney

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from San Diego to Sydney

Best airlines flying from San Diego to Sydney

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

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales

Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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