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Cheap flights from San Diego to Sydney from $516

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 3/4. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air New Zealand Logo
11:08 am - 8:45 am
SAN
-
SYD
26h 37m2 stops
Air New Zealand Logo
1:55 pm - 11:40 pm
SYD
-
SAN
28h 45m2 stops
$1,050Air New Zealand
Sun, Feb 8 - Sun, Feb 15
Air New Zealand Logo
11:05 am - 10:30 am
SAN
-
SYD
28h 25m2 stops
Air New Zealand Logo
9:55 am - 7:48 pm
SYD
-
SAN
27h 53m2 stops
$1,069Air New Zealand
Sun, Mar 1 - Mon, Mar 9
Air New Zealand Logo
6:15 am - 9:45 pm
SAN
-
SYD
44h 30m2 stops
Air New Zealand Logo
11:45 am - 5:29 pm
SYD
-
SAN
24h 44m2 stops
$1,072Air New Zealand
Tue, Feb 10 - Tue, Feb 17
Air New Zealand Logo
6:10 pm - 10:30 am
SAN
-
SYD
45h 20m2 stops
Air New Zealand Logo
7:15 pm - 11:40 pm
SYD
-
SAN
46h 25m2 stops
$1,078Air New Zealand
Sat, Feb 28 - Sat, Mar 14
Air New Zealand Logo
8:37 pm - 8:45 am
SAN
-
SYD
41h 08m2 stops
Air New Zealand Logo
11:45 am - 5:29 pm
SYD
-
SAN
24h 44m2 stops
$1,083Air New Zealand
Mon, Feb 2 - Tue, Feb 17
Air New Zealand Logo
11:05 am - 10:30 am
SAN
-
SYD
28h 25m2 stops
Air New Zealand Logo
11:45 am - 7:48 pm
SYD
-
SAN
26h 03m2 stops
$1,097Air New Zealand
Sun, Mar 1 - Thu, Mar 12
Hawaiian Airlines Logo
5:00 pm - 7:45 pm
SAN
-
SYD
31h 45m1 stop
Hawaiian Airlines Logo
9:40 pm - 8:19 pm
SYD
-
SAN
17h 39m1 stop
$1,098Hawaiian Airlines
Tue, Feb 10 - Tue, Feb 17
Multiple Airlines Logo
4:00 pm - 6:10 am
SAN
-
SYD
19h 10m1 stop
Multiple Airlines Logo
9:25 pm - 9:49 am
SYD
-
SAN
31h 24m1 stop
$1,103Multiple Airlines
Tue, Feb 10 - Tue, Feb 17
Multiple Airlines Logo
5:17 pm - 6:10 am
SAN
-
SYD
17h 53m1 stop
Multiple Airlines Logo
9:25 pm - 8:18 am
SYD
-
SAN
29h 53m1 stop
$1,107Multiple Airlines
Tue, Feb 10 - Tue, Feb 17
Air Canada Logo
6:10 pm - 7:20 am
SAN
-
SYD
20h 10m1 stop
Air Canada Logo
9:20 am - 12:00 pm
SYD
-
SAN
19h 40m1 stop
$1,117Air Canada
Wed, Apr 22 - Wed, Apr 29

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
Feb 8
SAN11:08 amSan Diego
26h 37m
2 stops
SYD8:45 amSydney Kingsford Smith
Feb 15
SYD1:55 pmSydney Kingsford Smith
28h 45m
2 stops
SAN11:40 pmSan Diego
$1,050
Find similar
Air New Zealand
Mar 1
SAN11:05 amSan Diego
28h 25m
2 stops
SYD10:30 amSydney Kingsford Smith
Mar 9
SYD9:55 amSydney Kingsford Smith
27h 53m
2 stops
SAN7:48 pmSan Diego
$1,069
Find similar
Air New Zealand
Feb 10
SAN6:15 amSan Diego
44h 30m
2 stops
SYD9:45 pmSydney Kingsford Smith
Feb 17
SYD11:45 amSydney Kingsford Smith
24h 44m
2 stops
SAN5:29 pmSan Diego
$1,072
Find similar

Hawaiian Airlines flights from San Diego to Sydney

Our best Hawaiian Airlines deals on San Diego to Sydney flight tickets
Hawaiian Airlines
Feb 10
SAN5:00 pmSan Diego
31h 45m
1 stop
SYD7:45 pmSydney Kingsford Smith
Feb 17
SYD9:40 pmSydney Kingsford Smith
17h 39m
1 stop
SAN8:19 pmSan Diego
$1,098
Find similar
Hawaiian Airlines
Feb 1
SAN6:45 pmSan Diego
30h 00m
2 stops
SYD7:45 pmSydney Kingsford Smith
Feb 17
SYD9:40 pmSydney Kingsford Smith
17h 39m
1 stop
SAN8:19 pmSan Diego
$1,154
Find similar
Hawaiian Airlines
Feb 1
SAN5:00 pmSan Diego
31h 45m
1 stop
SYD7:45 pmSydney Kingsford Smith
Feb 17
SYD9:40 pmSydney Kingsford Smith
37h 00m
1 stop
SAN3:40 pmSan Diego
$1,177
Find similar

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 December 29, 2025.
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 2/8

11:08 am-8:45 am

2 stops26h 37m

Sydney Kingsford Smith

Sun 2/15

1:55 pm-11:40 pm

2 stops28h 45m

$1,050

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 3/1

11:05 am-10:30 am

2 stops28h 25m

Sydney Kingsford Smith

Mon 3/9

9:55 am-7:48 pm

2 stops27h 53m

$1,069

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 2/10

6:15 am-9:45 pm

2 stops44h 30m

Sydney Kingsford Smith

Tue 2/17

11:45 am-5:29 pm

2 stops24h 44m

$1,072

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 2/28

6:10 pm-10:30 am

2 stops45h 20m

Sydney Kingsford Smith

Sat 3/14

7:15 pm-11:40 pm

2 stops46h 25m

$1,078

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 2/2

8:37 pm-8:45 am

2 stops41h 08m

Sydney Kingsford Smith

Tue 2/17

11:45 am-5:29 pm

2 stops24h 44m

$1,083

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 3/1

11:05 am-10:30 am

2 stops28h 25m

Sydney Kingsford Smith

Thu 3/12

11:45 am-7:48 pm

2 stops26h 03m

$1,097

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 2/10

5:00 pm-7:45 pm

1 stop31h 45m

Sydney Kingsford Smith

Tue 2/17

9:40 pm-8:19 pm

1 stop17h 39m

$1,098

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 2/10

4:00 pm-6:10 am

1 stop19h 10m

Sydney Kingsford Smith

Tue 2/17

9:25 pm-9:49 am

1 stop31h 24m

$1,103

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 2/10

5:17 pm-6:10 am

1 stop17h 53m

Sydney Kingsford Smith

Tue 2/17

9:25 pm-8:18 am

1 stop29h 53m

$1,107

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 4/22

6:10 pm-7:20 am

1 stop20h 10m

Sydney Kingsford Smith

Wed 4/29

9:20 am-12:00 pm

1 stop19h 40m

$1,117

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

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 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 $949. If you are unable to visit Sydney during the month of August, then departing from San Diego during the month November is also very affordable. Most momondo users find prices during this month for around $958.

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 $1,094 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 $934 on momondo.

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

You could potentially save up to 10% 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 December 2025, prices for San Diego to Sydney flights are approximately 42% 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

19h 33m

Direct flights

None
The fastest flight from San Diego to Sydney takes 19h 33m
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 19h 33m.

  • 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
Air CanadaPriceFrom $779Free CancellationRating
7.1
10,564 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,074 reviews
Search American Airlines flights
United AirlinesPriceFrom $900Free CancellationRating
7.4
9,121 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $934Free CancellationRating
8.0
11,569 reviews
Search Alaska Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,014 reviews
Search Delta flights
Air New ZealandPriceFrom $956Free CancellationRating
8.0
562 reviews
Search Air New Zealand flights
Hawaiian AirlinesPriceFrom $1,138Free CancellationRating
7.8
2,821 reviews
Search Hawaiian Airlines flights

Traveling to a place near Sydney?

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