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

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

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 offers the lowest fares from San Diego to Sydney?

Flights via Vancouver (YVR) offer the lowest average round-trip price of $878.

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.

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.

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

Los Angeles (LAX) was the most common stop: 69% of momondo users choosing 1-stop flights on this route connected there.

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.

$548 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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4:45 pm - 10:35 amSAN San Diego-SYD Sydney Kingsford Smith

23h 50m2 stops Los Angeles Auckland Intl

11:50 am - 8:24 pmSYD Sydney Kingsford Smith-SAN San Diego

27h 34m2 stops Auckland Intl Los Angeles

$1,017Air New Zealand

Wed, Oct 28 - Mon, Nov 16

2:30 pm - 10:35 amSAN San Diego-SYD Sydney Kingsford Smith

25h 05m2 stops Los Angeles Auckland Intl

9:55 am - 8:24 pmSYD Sydney Kingsford Smith-SAN San Diego

29h 29m2 stops Auckland Intl Los Angeles

$1,017Air New Zealand

Sun, Nov 8 - Tue, Nov 17

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

40h 50m1 stop Honolulu

8:45 pm - 6:52 amSYD Sydney Kingsford Smith-SAN San Diego

27h 07m1 stop Honolulu

$1,076Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

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

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

44h 55m2 stops Los Angeles San Francisco

10:20 am - 12:18 pmSYD Sydney Kingsford Smith-SAN San Diego

18h 58m1 stop San Francisco

$1,255United Airlines

Sat, Aug 22 - Wed, Sep 9

5:00 pm - 7:00 amSAN San Diego-SYD Sydney Kingsford Smith

21h 00m1 stop Los Angeles

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

16h 57m1 stop San Francisco

$1,288United Airlines

Sat, Aug 22 - Wed, Sep 9

6:20 am - 6:55 amSAN San Diego-SYD Sydney Kingsford Smith

31h 35m1 stop Dallas/Fort Worth

12:00 pm - 9:48 pmSYD Sydney Kingsford Smith-SAN San Diego

26h 48m1 stop Dallas/Fort Worth

$1,305American Airlines

Mon, Sep 7 - Wed, Sep 16

3:05 pm - 6:55 amSAN San Diego-SYD Sydney Kingsford Smith

22h 50m1 stop Dallas/Fort Worth

12:00 pm - 8:01 pmSYD Sydney Kingsford Smith-SAN San Diego

25h 01m1 stop Dallas/Fort Worth

$1,305American Airlines

Wed, Sep 9 - Wed, Sep 16

11:03 am - 8:30 amSAN San Diego-SYD Sydney Kingsford Smith

26h 27m1 stop Los Angeles

10:40 am - 3:03 pmSYD Sydney Kingsford Smith-SAN San Diego

23h 23m1 stop Los Angeles

$1,308Delta

Mon, Nov 30 - Mon, Dec 7

7:59 pm - 8:30 amSAN San Diego-SYD Sydney Kingsford Smith

17h 31m1 stop Los Angeles

10:40 am - 3:03 pmSYD Sydney Kingsford Smith-SAN San Diego

23h 23m1 stop Los Angeles

$1,308Delta

Wed, Dec 2 - Wed, Dec 9

Cheap last minute flights

Enter your travel dates to find the best prices.

5:16 pm - 6:50 pmSAN San Diego-SYD Sydney Kingsford Smith

32h 34m1 stop Honolulu

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

17h 14m1 stop Honolulu

$1,079Alaska Airlines

Sun, Aug 16 - Sun, Aug 30

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

35h 46m2 stops Los Angeles Tokyo Haneda

9:10 am - 9:34 pmSYD Sydney Kingsford Smith-SAN San Diego

29h 24m2 stops Los Angeles Phoenix Sky Harbor Intl

$1,220Multiple Airlines

Sun, Aug 16 - Sun, Aug 30

4:22 pm - 7:05 amSAN San Diego-SYD Sydney Kingsford Smith

21h 43m2 stops Phoenix Sky Harbor Intl Los Angeles

12:00 pm - 7:54 pmSYD Sydney Kingsford Smith-SAN San Diego

24h 54m1 stop Dallas/Fort Worth

$1,228American Airlines

Sun, Aug 16 - Sun, Aug 30

4:22 pm - 7:05 amSAN San Diego-SYD Sydney Kingsford Smith

21h 43m2 stops Phoenix Sky Harbor Intl Los Angeles

9:10 am - 3:26 pmSYD Sydney Kingsford Smith-SAN San Diego

23h 16m2 stops Los Angeles Phoenix Sky Harbor Intl

$1,229American Airlines

Sun, Aug 16 - Sun, Aug 30

6:28 pm - 6:55 amSAN San Diego-SYD Sydney Kingsford Smith

19h 27m1 stop San Francisco

9:30 am - 11:35 amSYD Sydney Kingsford Smith-SAN San Diego

19h 05m1 stop Los Angeles

$1,232United Airlines

Sun, Aug 16 - Sun, Aug 30

2:24 pm - 6:55 amSAN San Diego-SYD Sydney Kingsford Smith

23h 31m2 stops Los Angeles San Francisco

10:20 am - 10:18 amSYD Sydney Kingsford Smith-SAN San Diego

16h 58m1 stop San Francisco

$1,232United Airlines

Sun, Aug 16 - Sun, Aug 30

5:00 pm - 7:00 amSAN San Diego-SYD Sydney Kingsford Smith

21h 00m1 stop Los Angeles

9:30 am - 11:35 amSYD Sydney Kingsford Smith-SAN San Diego

43h 05m1 stop Los Angeles

$1,804United Airlines

Sun, Aug 16 - Wed, Sep 9

7:59 pm - 7:15 pmSAN San Diego-SYD Sydney Kingsford Smith

30h 16m2 stops Los Angeles Singapore Changi

2:50 pm - 7:06 pmSYD Sydney Kingsford Smith-SAN San Diego

45h 16m3 stops Singapore Changi Frankfurt am Main New York John F Kennedy Intl

$4,296Multiple Airlines

Sun, Aug 16 - Sun, Aug 30

8:30 pm - 7:15 pmSAN San Diego-SYD Sydney Kingsford Smith

53h 45m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi

2:50 pm - 7:06 pmSYD Sydney Kingsford Smith-SAN San Diego

45h 16m3 stops Singapore Changi Frankfurt am Main New York John F Kennedy Intl

$4,641Multiple Airlines

Sun, Aug 16 - Sun, Aug 30

4:45 pm - 6:05 amSAN San Diego-SYD Sydney Kingsford Smith

44h 20m2 stops London Heathrow Singapore Changi

2:35 pm - 7:19 pmSYD Sydney Kingsford Smith-SAN San Diego

45h 44m3 stops Singapore Changi London Heathrow Chicago O'Hare Intl

$6,314British Airways

Sun, Aug 16 - Sun, Aug 30

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Qantas Airways flights from San Diego to Sydney

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

Qantas Airways

Oct 28

SAN6:51 pmSan Diego

17h 34m

1 stop

SYD6:25 amSydney Kingsford Smith

Nov 16

SYD7:15 pmSydney Kingsford Smith

35h 56m

2 stops

SAN12:11 pmSan Diego

$1,191

Qantas Airways

Oct 28

SAN6:51 pmSan Diego

17h 34m

1 stop

SYD6:25 amSydney Kingsford Smith

Nov 16

SYD7:15 pmSydney Kingsford Smith

35h 56m

2 stops

SAN12:11 pmSan Diego

$1,192

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

23h 50m

2 stops

SYD10:35 amSydney Kingsford Smith

Nov 16

SYD11:50 amSydney Kingsford Smith

27h 34m

2 stops

SAN8:24 pmSan Diego

$1,017

Air New Zealand

Oct 28

SAN4:45 pmSan Diego

23h 50m

2 stops

SYD10:35 amSydney Kingsford Smith

Nov 16

SYD11:50 amSydney Kingsford Smith

27h 34m

2 stops

SAN8:24 pmSan Diego

$1,018

Air New Zealand

Oct 27

SAN4:45 pmSan Diego

21h 50m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 10

SYD7:30 amSydney Kingsford Smith

31h 54m

2 stops

SAN8:24 pmSan Diego

$1,037

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 10/28

4:45 pm-10:35 am

2 stops23h 50m

Sydney Kingsford Smith

Mon 11/16

11:50 am-8:24 pm

2 stops27h 34m

$1,017

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 11/8

2:30 pm-10:35 am

2 stops25h 05m

Sydney Kingsford Smith

Tue 11/17

9:55 am-8:24 pm

2 stops29h 29m

$1,017

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 9/1

9:00 am-6:50 pm

1 stop40h 50m

Sydney Kingsford Smith

Tue 9/8

8:45 pm-6:52 am

1 stop27h 07m

$1,076

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

Sat 8/22

5:00 pm-6:55 am

2 stops44h 55m

Sydney Kingsford Smith

Wed 9/9

10:20 am-12:18 pm

1 stop18h 58m

$1,255

Quickest round-trip

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sat 8/22

5:00 pm-7:00 am

1 stop21h 00m

Sydney Kingsford Smith

Wed 9/9

10:20 am-10:17 am

1 stop16h 57m

$1,288

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Mon 9/7

6:20 am-6:55 am

1 stop31h 35m

Sydney Kingsford Smith

Wed 9/16

12:00 pm-9:48 pm

1 stop26h 48m

$1,305

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 9/9

3:05 pm-6:55 am

1 stop22h 50m

Sydney Kingsford Smith

Wed 9/16

12:00 pm-8:01 pm

1 stop25h 01m

$1,305

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Mon 11/30

11:03 am-8:30 am

1 stop26h 27m

Sydney Kingsford Smith

Mon 12/7

10:40 am-3:03 pm

1 stop23h 23m

$1,308

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 12/2

7:59 pm-8:30 am

1 stop17h 31m

Sydney Kingsford Smith

Wed 12/9

10:40 am-3:03 pm

1 stop23h 23m

$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, November 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 $964. If you are unable to visit Sydney during the month of November, then departing from San Diego during the month April is also very affordable. Most momondo users find prices during this month for around $1,005.

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 $1,212 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

Fastest flight time	20h 50m
Direct flights	None

The fastest flight from San Diego to Sydney takes 20h 50m

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

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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 20h 50m.
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 45% of the total bookings. Other popular airlines include Delta with 20%, 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 11,464 reviews	Search Air Canada flights
American Airlines	PriceFrom $881	Free Cancellation	Rating 7.1 11,911 reviews	Search American Airlines flights
United Airlines	PriceFrom $929	Free Cancellation	Rating 7.4 10,111 reviews	Search United Airlines flights
Delta	PriceFrom $949	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,075	Free Cancellation	Rating 8.0 660 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 $548

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 12/6. 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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Qantas Airways flights from San Diego to Sydney

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

Air New Zealand flights from San Diego to Sydney

Our best Air New Zealand 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

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.

Popular cities in Australia

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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