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Cheap flights from San Diego to Sydney from $624

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 8/17. 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.
Multiple Airlines Logo
2:24 pm - 7:10 pm
SAN
-
SYD
35h 46m
2 stops
Multiple Airlines Logo
11:45 am - 4:12 pm
SYD
-
SAN
45h 27m
2 stops
$1,052Multiple Airlines
Sat, Aug 22 - Wed, Sep 9
ANA Logo
2:24 pm - 9:25 am
SAN
-
SYD
50h 01m
2 stops
ANA Logo
11:45 am - 3:54 pm
SYD
-
SAN
45h 09m
2 stops
$1,076ANA
Sat, Aug 22 - Wed, Sep 9
ANA Logo
2:24 pm - 9:25 am
SAN
-
SYD
50h 01m
2 stops
ANA Logo
11:45 am - 3:54 pm
SYD
-
SAN
45h 09m
2 stops
$1,077ANA
Sat, Aug 22 - Wed, Sep 9
Air Canada Logo
8:15 am - 7:20 am
SAN
-
SYD
30h 05m
1 stop
Air Canada Logo
9:20 am - 11:53 am
SYD
-
SAN
19h 33m
1 stop
$1,105Air Canada
Tue, Jul 21 - Mon, Jul 27
Multiple Airlines Logo
5:00 pm - 8:15 pm
SAN
-
SYD
57h 15m
2 stops
Multiple Airlines Logo
12:25 pm - 5:59 pm
SYD
-
SAN
24h 34m
2 stops
$1,111Multiple Airlines
Sat, Oct 24 - Mon, Nov 9
Asiana Airlines Logo
8:15 am - 7:20 am
SAN
-
SYD
30h 05m
1 stop
Asiana Airlines Logo
9:20 am - 11:53 am
SYD
-
SAN
19h 33m
1 stop
$1,122Asiana Airlines
Tue, Jul 28 - Tue, Aug 4
Multiple Airlines Logo
8:15 am - 7:20 am
SAN
-
SYD
30h 05m
1 stop
Multiple Airlines Logo
6:00 am - 11:53 am
SYD
-
SAN
22h 53m
2 stops
$1,125Multiple Airlines
Wed, Aug 12 - Tue, Aug 18
Air Canada Logo
8:15 am - 7:20 am
SAN
-
SYD
30h 05m
1 stop
Air Canada Logo
7:00 am - 4:15 pm
SYD
-
SAN
26h 15m
2 stops
$1,131Air Canada
Tue, Jul 21 - Mon, Jul 27
Alaska Airlines Logo
5:17 pm - 7:45 pm
SAN
-
SYD
31h 28m
1 stop
Alaska Airlines Logo
9:40 pm - 8:08 pm
SYD
-
SAN
17h 28m
1 stop
$1,136Alaska Airlines
Sun, Nov 1 - Sat, Nov 14
Air Canada Logo
12:35 pm - 11:40 am
SAN
-
SYD
30h 05m
2 stops
Air Canada Logo
9:20 am - 4:18 pm
SYD
-
SAN
23h 58m
1 stop
$1,137Air Canada
Tue, Jul 28 - Tue, Aug 4

American Airlines flights from San Diego to Sydney

Our best American Airlines deals on San Diego to Sydney flight tickets
American Airlines
Jun 1
SAN1:55 pmSan Diego
24h 00m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 29
SYD12:00 pmSydney Kingsford Smith
27h 39m
1 stop
SAN10:39 pmSan Diego
$1,156
American Airlines
Jun 1
SAN4:22 pmSan Diego
21h 43m
2 stops
SYD7:05 amSydney Kingsford Smith
Jun 29
SYD12:00 pmSydney Kingsford Smith
27h 39m
1 stop
SAN10:39 pmSan Diego
$1,160
American Airlines
Jun 1
SAN12:45 pmSan Diego
25h 20m
2 stops
SYD7:05 amSydney Kingsford Smith
Jun 29
SYD9:10 amSydney Kingsford Smith
23h 17m
2 stops
SAN3:27 pmSan Diego
$1,161

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
Jul 1
SAN1:39 pmSan Diego
24h 16m
1 stop
SYD6:55 amSydney Kingsford Smith
Jul 8
SYD10:20 amSydney Kingsford Smith
16h 39m
1 stop
SAN9:59 amSan Diego
$1,158
Air New Zealand
Jun 21
SAN4:09 pmSan Diego
21h 51m
2 stops
SYD7:00 amSydney Kingsford Smith
Jul 5
SYD9:30 amSydney Kingsford Smith
17h 38m
1 stop
SAN10:08 amSan Diego
$1,163
Air New Zealand
Aug 22
SAN3:56 pmSan Diego
21h 59m
1 stop
SYD6:55 amSydney Kingsford Smith
Sep 9
SYD10:20 amSydney Kingsford Smith
20h 24m
1 stop
SAN1:44 pmSan Diego
$1,284

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 25, 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

Sat 8/22

2:24 pm-7:10 pm

2 stops35h 46m

Sydney Kingsford Smith

Wed 9/9

11:45 am-4:12 pm

2 stops45h 27m

$1,052

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 8/22

2:24 pm-9:25 am

2 stops50h 01m

Sydney Kingsford Smith

Wed 9/9

11:45 am-3:54 pm

2 stops45h 09m

$1,076

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 8/22

2:24 pm-9:25 am

2 stops50h 01m

Sydney Kingsford Smith

Wed 9/9

11:45 am-3:54 pm

2 stops45h 09m

$1,077

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 7/21

8:15 am-7:20 am

1 stop30h 05m

Sydney Kingsford Smith

Mon 7/27

9:20 am-11:53 am

1 stop19h 33m

$1,105

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 10/24

5:00 pm-8:15 pm

2 stops57h 15m

Sydney Kingsford Smith

Mon 11/9

12:25 pm-5:59 pm

2 stops24h 34m

$1,111

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 7/28

8:15 am-7:20 am

1 stop30h 05m

Sydney Kingsford Smith

Tue 8/4

9:20 am-11:53 am

1 stop19h 33m

$1,122

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 8/12

8:15 am-7:20 am

1 stop30h 05m

Sydney Kingsford Smith

Tue 8/18

6:00 am-11:53 am

2 stops22h 53m

$1,125

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 7/21

8:15 am-7:20 am

1 stop30h 05m

Sydney Kingsford Smith

Mon 7/27

7:00 am-4:15 pm

2 stops26h 15m

$1,131
Quickest round-trip

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 11/1

5:17 pm-7:45 pm

1 stop31h 28m

Sydney Kingsford Smith

Sat 11/14

9:40 pm-8:08 pm

1 stop17h 28m

$1,136

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 7/28

12:35 pm-11:40 am

2 stops30h 05m

Sydney Kingsford Smith

Tue 8/4

9:20 am-4:18 pm

1 stop23h 58m

$1,137

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 $1,127 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 8% 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

17h 28m

Direct flights

None
The fastest flight from San Diego to Sydney takes 17h 28m
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 17h 28m.

  • 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
11,083 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,633 reviews
Search American Airlines flights
United AirlinesPriceFrom $857Free CancellationRating
7.4
9,749 reviews
Search United Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,434 reviews
Search Delta flights
Air New ZealandPriceFrom $1,042Free CancellationRating
8.0
648 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
Penrith
Wollongong
Leura
Randwick
Lithgow
Coogee
Manly
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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