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Cheap flights from San Diego to Sydney from $568

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 7/21. 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 Canada Logo
4:55 pm - 7:20 am
SAN
-
SYD
21h 25m
1 stop
Air Canada Logo
9:20 am - 11:50 am
SYD
-
SAN
19h 30m
1 stop
$1,106Air Canada
Mon, Jun 8 - Mon, Jun 15
Air Canada Logo
4:55 pm - 7:20 am
SAN
-
SYD
21h 25m
1 stop
Air Canada Logo
9:20 am - 11:50 am
SYD
-
SAN
19h 30m
1 stop
$1,107Air Canada
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
12:30 pm - 7:20 am
SAN
-
SYD
25h 50m
1 stop
Multiple Airlines Logo
6:00 am - 11:50 am
SYD
-
SAN
22h 50m
2 stops
$1,126Multiple Airlines
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
4:55 pm - 7:20 am
SAN
-
SYD
21h 25m
1 stop
Multiple Airlines Logo
6:00 am - 11:50 am
SYD
-
SAN
22h 50m
2 stops
$1,127Multiple Airlines
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
4:55 pm - 10:40 am
SAN
-
SYD
24h 45m
2 stops
Multiple Airlines Logo
6:00 am - 11:50 am
SYD
-
SAN
22h 50m
2 stops
$1,148Multiple Airlines
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
4:55 pm - 12:40 pm
SAN
-
SYD
26h 45m
2 stops
Multiple Airlines Logo
6:00 am - 11:50 am
SYD
-
SAN
22h 50m
2 stops
$1,149Multiple Airlines
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
4:55 pm - 7:20 am
SAN
-
SYD
21h 25m
1 stop
Multiple Airlines Logo
6:00 am - 11:53 am
SYD
-
SAN
22h 53m
2 stops
$1,151Multiple Airlines
Wed, May 27 - Tue, Jun 30
United Airlines Logo
7:41 pm - 6:55 am
SAN
-
SYD
18h 14m
1 stop
United Airlines Logo
10:20 am - 2:08 pm
SYD
-
SAN
20h 48m
1 stop
$1,156United Airlines
Wed, Jul 22 - Sun, Aug 9
American Airlines Logo
9:54 am - 6:55 am
SAN
-
SYD
28h 01m
1 stop
American Airlines Logo
12:00 pm - 11:59 pm
SYD
-
SAN
28h 59m
1 stop
$1,157American Airlines
Wed, May 27 - Tue, Jun 30
Air New Zealand Logo
7:40 pm - 6:55 am
SAN
-
SYD
18h 15m
1 stop
Air New Zealand Logo
10:20 am - 4:07 pm
SYD
-
SAN
22h 47m
1 stop
$1,159Air New Zealand
Mon, May 18 - Mon, Jul 13

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 18
SAN7:40 pmSan Diego
18h 15m
1 stop
SYD6:55 amSydney Kingsford Smith
Jul 13
SYD10:20 amSydney Kingsford Smith
22h 47m
1 stop
SAN4:07 pmSan Diego
$1,159
Air New Zealand
May 27
SAN4:09 pmSan Diego
21h 46m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 3
SYD9:30 amSydney Kingsford Smith
17h 38m
1 stop
SAN10:08 amSan Diego
$1,160
Air New Zealand
May 18
SAN4:26 pmSan Diego
21h 34m
2 stops
SYD7:00 amSydney Kingsford Smith
Jul 13
SYD9:30 amSydney Kingsford Smith
17h 38m
1 stop
SAN10:08 amSan Diego
$1,164

American Airlines flights from San Diego to Sydney

Our best American Airlines deals on San Diego to Sydney flight tickets
American Airlines
May 27
SAN9:54 amSan Diego
28h 01m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 30
SYD12:00 pmSydney Kingsford Smith
28h 59m
1 stop
SAN11:59 pmSan Diego
$1,157
American Airlines
May 18
SAN1:16 pmSan Diego
25h 14m
2 stops
SYD7:30 amSydney Kingsford Smith
Jul 13
SYD9:10 amSydney Kingsford Smith
23h 17m
2 stops
SAN3:27 pmSan Diego
$1,161
American Airlines
May 27
SAN4:22 pmSan Diego
21h 43m
2 stops
SYD7:05 amSydney Kingsford Smith
Jun 3
SYD5:50 pmSydney Kingsford Smith
20h 44m
2 stops
SAN9:34 pmSan Diego
$1,162

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 May 9, 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

Cheapest round-trip

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 6/8

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Mon 6/15

9:20 am-11:50 am

1 stop19h 30m

$1,106

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 6/8

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Mon 6/15

9:20 am-11:50 am

1 stop19h 30m

$1,107

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 6/8

12:30 pm-7:20 am

1 stop25h 50m

Sydney Kingsford Smith

Mon 6/15

6:00 am-11:50 am

2 stops22h 50m

$1,126

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 6/8

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Mon 6/15

6:00 am-11:50 am

2 stops22h 50m

$1,127

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 6/8

4:55 pm-10:40 am

2 stops24h 45m

Sydney Kingsford Smith

Mon 6/15

6:00 am-11:50 am

2 stops22h 50m

$1,148

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 6/8

4:55 pm-12:40 pm

2 stops26h 45m

Sydney Kingsford Smith

Mon 6/15

6:00 am-11:50 am

2 stops22h 50m

$1,149

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 5/27

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Tue 6/30

6:00 am-11:53 am

2 stops22h 53m

$1,151
Quickest round-trip

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 7/22

7:41 pm-6:55 am

1 stop18h 14m

Sydney Kingsford Smith

Sun 8/9

10:20 am-2:08 pm

1 stop20h 48m

$1,156

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 5/27

9:54 am-6:55 am

1 stop28h 01m

Sydney Kingsford Smith

Tue 6/30

12:00 pm-11:59 pm

1 stop28h 59m

$1,157

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 5/18

7:40 pm-6:55 am

1 stop18h 15m

Sydney Kingsford Smith

Mon 7/13

10:20 am-4:07 pm

1 stop22h 47m

$1,159

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

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 $815. If you are unable to visit Sydney during the month of April, then departing from San Diego during the month August is also very affordable. Most momondo users find prices during this month for around $973.

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 $1,129 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 $717 on momondo.

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

You could potentially save up to 1% 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 May 2026, prices for San Diego to Sydney flights are approximately 9% 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

18h 14m

Direct flights

None
The fastest flight from San Diego to Sydney takes 18h 14m
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 18h 14m.

  • 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 $758Free CancellationRating
7.1
11,011 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
United AirlinesPriceFrom $857Free CancellationRating
7.4
9,696 reviews
Search United Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,457 reviews
Search Delta flights
Air New ZealandPriceFrom $1,008Free CancellationRating
8.0
640 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
Parramatta
Bondi Beach
Katoomba
Wollongong
Penrith
Leura
Randwick
Lithgow
Manly
Coogee
Cronulla
Terrigal
Charlestown
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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