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Cheap flights from San Diego to Sydney from $519

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 5/18. 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
6:20 pm - 8:45 am
SAN
-
SYD
21h 25m
2 stops
Air New Zealand Logo
11:55 am - 5:24 pm
SYD
-
SAN
22h 29m
2 stops
$999Air New Zealand
Wed, Apr 22 - Wed, May 13
Air New Zealand Logo
10:49 am - 10:40 am
SAN
-
SYD
30h 51m
2 stops
Air New Zealand Logo
7:20 pm - 5:49 pm
SYD
-
SAN
39h 29m
2 stops
$1,020Air New Zealand
Sun, Aug 2 - Sat, Aug 15
Air New Zealand Logo
10:49 am - 8:45 am
SAN
-
SYD
28h 56m
2 stops
Air New Zealand Logo
11:55 am - 7:51 pm
SYD
-
SAN
24h 56m
2 stops
$1,046Air New Zealand
Fri, May 29 - Sun, Jun 7
Air New Zealand Logo
6:20 am - 8:45 am
SAN
-
SYD
33h 25m
2 stops
Air New Zealand Logo
7:50 am - 11:59 pm
SYD
-
SAN
33h 09m
2 stops
$1,052Air New Zealand
Sun, Jun 21 - Sun, Jun 28
Air New Zealand Logo
8:32 pm - 10:40 am
SAN
-
SYD
45h 08m
2 stops
Air New Zealand Logo
7:20 pm - 7:51 pm
SYD
-
SAN
41h 31m
2 stops
$1,057Air New Zealand
Mon, Jun 15 - Mon, Jun 22
Air New Zealand Logo
11:01 am - 10:40 am
SAN
-
SYD
30h 39m
2 stops
Air New Zealand Logo
7:20 pm - 8:12 pm
SYD
-
SAN
41h 52m
2 stops
$1,066Air New Zealand
Fri, Apr 10 - Mon, Apr 20
Air New Zealand Logo
4:26 pm - 10:40 am
SAN
-
SYD
25h 14m
2 stops
Air New Zealand Logo
9:55 am - 11:59 pm
SYD
-
SAN
31h 04m
2 stops
$1,094Air New Zealand
Fri, May 1 - Sat, May 9
Air New Zealand Logo
6:20 pm - 7:00 am
SAN
-
SYD
19h 40m
1 stop
Air New Zealand Logo
9:55 am - 5:24 pm
SYD
-
SAN
24h 29m
2 stops
$1,122Air New Zealand
Wed, Apr 22 - Wed, May 13
Air New Zealand Logo
6:20 am - 8:45 am
SAN
-
SYD
33h 25m
2 stops
Air New Zealand Logo
9:30 am - 10:08 am
SYD
-
SAN
17h 38m
1 stop
$1,135Air New Zealand
Sun, Jun 21 - Sun, Jun 28
Air New Zealand Logo
10:49 am - 7:00 am
SAN
-
SYD
27h 11m
1 stop
Air New Zealand Logo
7:20 pm - 11:44 pm
SYD
-
SAN
45h 24m
2 stops
$1,143Air New Zealand
Sun, Aug 2 - Sat, Aug 15

Qantas Airways flights from San Diego to Sydney

Our best Qantas Airways deals on San Diego to Sydney flight tickets
Qantas Airways
Mar 3
SAN12:45 pmSan Diego
34h 40m
2 stops
SYD6:25 pmSydney Kingsford Smith
Mar 10
SYD7:15 pmSydney Kingsford Smith
38h 35m
2 stops
SAN3:50 pmSan Diego
$1,202
Qantas Airways
Mar 3
SAN2:46 pmSan Diego
32h 39m
2 stops
SYD6:25 pmSydney Kingsford Smith
Mar 10
SYD7:15 pmSydney Kingsford Smith
43h 22m
2 stops
SAN8:37 pmSan Diego
$1,203
Qantas Airways
Mar 2
SAN2:46 pmSan Diego
32h 39m
2 stops
SYD6:25 pmSydney Kingsford Smith
Mar 9
SYD10:15 amSydney Kingsford Smith
47h 34m
2 stops
SAN3:49 pmSan Diego
$1,263

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
Apr 22
SAN6:20 pmSan Diego
21h 25m
2 stops
SYD8:45 amSydney Kingsford Smith
May 13
SYD11:55 amSydney Kingsford Smith
22h 29m
2 stops
SAN5:24 pmSan Diego
$999
Air New Zealand
Aug 2
SAN10:49 amSan Diego
30h 51m
2 stops
SYD10:40 amSydney Kingsford Smith
Aug 15
SYD7:20 pmSydney Kingsford Smith
39h 29m
2 stops
SAN5:49 pmSan Diego
$1,020
Air New Zealand
May 29
SAN10:49 amSan Diego
28h 56m
2 stops
SYD8:45 amSydney Kingsford Smith
Jun 7
SYD11:55 amSydney Kingsford Smith
24h 56m
2 stops
SAN7:51 pmSan Diego
$1,046

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 16, 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

Wed 4/22

6:20 pm-8:45 am

2 stops21h 25m

Sydney Kingsford Smith

Wed 5/13

11:55 am-5:24 pm

2 stops22h 29m

$999

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 8/2

10:49 am-10:40 am

2 stops30h 51m

Sydney Kingsford Smith

Sat 8/15

7:20 pm-5:49 pm

2 stops39h 29m

$1,020

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 5/29

10:49 am-8:45 am

2 stops28h 56m

Sydney Kingsford Smith

Sun 6/7

11:55 am-7:51 pm

2 stops24h 56m

$1,046

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 6/21

6:20 am-8:45 am

2 stops33h 25m

Sydney Kingsford Smith

Sun 6/28

7:50 am-11:59 pm

2 stops33h 09m

$1,052

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 6/15

8:32 pm-10:40 am

2 stops45h 08m

Sydney Kingsford Smith

Mon 6/22

7:20 pm-7:51 pm

2 stops41h 31m

$1,057

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 4/10

11:01 am-10:40 am

2 stops30h 39m

Sydney Kingsford Smith

Mon 4/20

7:20 pm-8:12 pm

2 stops41h 52m

$1,066

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 5/1

4:26 pm-10:40 am

2 stops25h 14m

Sydney Kingsford Smith

Sat 5/9

9:55 am-11:59 pm

2 stops31h 04m

$1,094

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 4/22

6:20 pm-7:00 am

1 stop19h 40m

Sydney Kingsford Smith

Wed 5/13

9:55 am-5:24 pm

2 stops24h 29m

$1,122

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 6/21

6:20 am-8:45 am

2 stops33h 25m

Sydney Kingsford Smith

Sun 6/28

9:30 am-10:08 am

1 stop17h 38m

$1,135

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 8/2

10:49 am-7:00 am

1 stop27h 11m

Sydney Kingsford Smith

Sat 8/15

7:20 pm-11:44 pm

2 stops45h 24m

$1,143

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 $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 $1,141 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

22h 18m

Direct flights

None
The fastest flight from San Diego to Sydney takes 22h 18m
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 22h 18m.

  • 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
2,833 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $771Free CancellationRating
7.1
10,725 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,292 reviews
Search American Airlines flights
United AirlinesPriceFrom $901Free CancellationRating
7.4
9,307 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $934Free CancellationRating
8.0
11,888 reviews
Search Alaska Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,208 reviews
Search Delta flights
Air New ZealandPriceFrom $956Free CancellationRating
8.0
585 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
Parramatta
Katoomba
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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