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Cheap flights from San Diego to Sydney from $434

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 4/19. 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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0 bags

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Find the cheapest flights from San Diego to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air New Zealand Logo
10:49 am - 10:40 am
SAN
-
SYD
30h 51m
2 stops
Air New Zealand Logo
9:55 am - 11:54 pm
SYD
-
SAN
30h 59m
2 stops
$997Air New Zealand
Sun, May 24 - Mon, Jun 1
Air New Zealand Logo
10:45 am - 8:45 am
SAN
-
SYD
29h 00m
2 stops
Air New Zealand Logo
11:55 am - 5:49 pm
SYD
-
SAN
22h 54m
2 stops
$999Air New Zealand
Tue, Aug 25 - Tue, Sep 1
Air New Zealand Logo
8:37 pm - 10:40 am
SAN
-
SYD
45h 03m
2 stops
Air New Zealand Logo
11:55 am - 8:12 pm
SYD
-
SAN
25h 17m
2 stops
$1,002Air New Zealand
Mon, Apr 6 - Sun, Apr 19
Air New Zealand Logo
4:21 pm - 10:40 am
SAN
-
SYD
25h 19m
2 stops
Air New Zealand Logo
11:55 am - 5:12 pm
SYD
-
SAN
22h 17m
2 stops
$1,007Air New Zealand
Tue, Apr 14 - Tue, Apr 21
Air New Zealand Logo
6:26 pm - 8:45 am
SAN
-
SYD
21h 19m
2 stops
Air New Zealand Logo
11:55 am - 5:49 pm
SYD
-
SAN
22h 54m
2 stops
$1,008Air New Zealand
Mon, Aug 24 - Tue, Sep 1
Air New Zealand Logo
6:20 pm - 8:45 am
SAN
-
SYD
21h 25m
2 stops
Air New Zealand Logo
7:20 pm - 5:12 pm
SYD
-
SAN
38h 52m
2 stops
$1,016Air New Zealand
Tue, Apr 7 - Mon, Apr 20
Air New Zealand Logo
6:20 pm - 8:45 am
SAN
-
SYD
21h 25m
2 stops
Air New Zealand Logo
7:20 pm - 5:12 pm
SYD
-
SAN
38h 52m
2 stops
$1,017Air New Zealand
Tue, Apr 7 - Mon, Apr 20
Air New Zealand Logo
6:26 pm - 8:45 am
SAN
-
SYD
21h 19m
2 stops
Air New Zealand Logo
7:20 pm - 5:49 pm
SYD
-
SAN
39h 29m
2 stops
$1,018Air New Zealand
Wed, Aug 26 - Tue, Sep 1
Air New Zealand Logo
6:26 pm - 10:40 am
SAN
-
SYD
23h 14m
2 stops
Air New Zealand Logo
7:20 pm - 5:49 pm
SYD
-
SAN
39h 29m
2 stops
$1,019Air New Zealand
Wed, Aug 26 - Tue, Sep 1
Air New Zealand Logo
6:20 am - 8:45 am
SAN
-
SYD
33h 25m
2 stops
Air New Zealand Logo
11:55 am - 10:20 am
SYD
-
SAN
39h 25m
2 stops
$1,022Air New Zealand
Sun, Apr 12 - Tue, Apr 28

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
May 24
SAN10:49 amSan Diego
30h 51m
2 stops
SYD10:40 amSydney Kingsford Smith
Jun 1
SYD9:55 amSydney Kingsford Smith
30h 59m
2 stops
SAN11:54 pmSan Diego
$997
Air New Zealand
Aug 25
SAN10:45 amSan Diego
29h 00m
2 stops
SYD8:45 amSydney Kingsford Smith
Sep 1
SYD11:55 amSydney Kingsford Smith
22h 54m
2 stops
SAN5:49 pmSan Diego
$999
Air New Zealand
Apr 6
SAN8:37 pmSan Diego
45h 03m
2 stops
SYD10:40 amSydney Kingsford Smith
Apr 19
SYD11:55 amSydney Kingsford Smith
25h 17m
2 stops
SAN8:12 pmSan Diego
$1,002

American Airlines flights from San Diego to Sydney

Our best American Airlines deals on San Diego to Sydney flight tickets
American Airlines
Mar 2
SAN7:10 amSan Diego
28h 45m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 9
SYD1:05 pmSydney Kingsford Smith
23h 18m
1 stop
SAN6:23 pmSan Diego
$1,273
American Airlines
Mar 1
SAN12:45 pmSan Diego
23h 10m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 12
SYD1:05 pmSydney Kingsford Smith
25h 32m
1 stop
SAN8:37 pmSan Diego
$1,314
American Airlines
Feb 28
SAN1:09 pmSan Diego
24h 51m
2 stops
SYD9:00 amSydney Kingsford Smith
Mar 14
SYD1:05 pmSydney Kingsford Smith
25h 32m
1 stop
SAN8:37 pmSan Diego
$1,351

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 27, 2026.
Use the filters below to find and compare flights from San Diego to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 5/24

10:49 am-10:40 am

2 stops30h 51m

Sydney Kingsford Smith

Mon 6/1

9:55 am-11:54 pm

2 stops30h 59m

$997

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 8/25

10:45 am-8:45 am

2 stops29h 00m

Sydney Kingsford Smith

Tue 9/1

11:55 am-5:49 pm

2 stops22h 54m

$999

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 4/6

8:37 pm-10:40 am

2 stops45h 03m

Sydney Kingsford Smith

Sun 4/19

11:55 am-8:12 pm

2 stops25h 17m

$1,002

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 4/14

4:21 pm-10:40 am

2 stops25h 19m

Sydney Kingsford Smith

Tue 4/21

11:55 am-5:12 pm

2 stops22h 17m

$1,007

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 8/24

6:26 pm-8:45 am

2 stops21h 19m

Sydney Kingsford Smith

Tue 9/1

11:55 am-5:49 pm

2 stops22h 54m

$1,008

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 4/7

6:20 pm-8:45 am

2 stops21h 25m

Sydney Kingsford Smith

Mon 4/20

7:20 pm-5:12 pm

2 stops38h 52m

$1,016

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 4/7

6:20 pm-8:45 am

2 stops21h 25m

Sydney Kingsford Smith

Mon 4/20

7:20 pm-5:12 pm

2 stops38h 52m

$1,017

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 8/26

6:26 pm-8:45 am

2 stops21h 19m

Sydney Kingsford Smith

Tue 9/1

7:20 pm-5:49 pm

2 stops39h 29m

$1,018

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 8/26

6:26 pm-10:40 am

2 stops23h 14m

Sydney Kingsford Smith

Tue 9/1

7:20 pm-5:49 pm

2 stops39h 29m

$1,019

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 4/12

6:20 am-8:45 am

2 stops33h 25m

Sydney Kingsford Smith

Tue 4/28

11:55 am-10:20 am

2 stops39h 25m

$1,022

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

What is the cheapest month to fly to Sydney?

In general, August 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 $950. If you are unable to visit Sydney during the month of August, then departing from San Diego during the month September is also very affordable. Most momondo users find prices during this month for around $952.

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 $1,144 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 $948 on momondo.

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 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

18h 05m

Direct flights

None
The fastest flight from San Diego to Sydney takes 18h 05m
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?

    Sydney Kingsford Smith is 7507.7 mi away from San Diego. In terms of flight time, this usually takes a little over 18h 05m.

  • 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?

  • 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?

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
Hawaiian AirlinesPriceFrom $550Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $771Free CancellationRating
7.1
10,748 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,355 reviews
Search American Airlines flights
United AirlinesPriceFrom $881Free CancellationRating
7.4
9,350 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $934Free CancellationRating
8.0
11,964 reviews
Search Alaska Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,242 reviews
Search Delta flights
Air New ZealandPriceFrom $992Free CancellationRating
8.0
605 reviews
Search Air New Zealand flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Katoomba
Parramatta
Wollongong
Penrith
Coogee
Manly
Randwick
Lithgow
Leura
Cronulla
Charlestown
Terrigal
Swansea

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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