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Cheap flights from San Diego to Sydney from $553

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 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

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 - 8:55 pm
SYD
-
SAN
28h 35m
1 stop
$1,128Air Canada
Mon, May 25 - Mon, Jun 1
Air Canada Logo
4:55 pm - 7:20 am
SAN
-
SYD
21h 25m
1 stop
Air Canada Logo
9:20 am - 8:55 pm
SYD
-
SAN
28h 35m
1 stop
$1,168Air Canada
Wed, May 27 - Wed, Jun 3
ANA Logo
8:42 pm - 7:10 pm
SAN
-
SYD
29h 28m
2 stops
ANA Logo
8:55 pm - 2:54 pm
SYD
-
SAN
34h 59m
2 stops
$1,172ANA
Sat, Aug 1 - Sat, Aug 15
ANA Logo
2:24 pm - 7:10 pm
SAN
-
SYD
35h 46m
2 stops
ANA Logo
11:45 am - 2:54 pm
SYD
-
SAN
44h 09m
2 stops
$1,180ANA
Wed, Aug 19 - Sat, Sep 5
Air Canada Logo
12:30 pm - 7:20 am
SAN
-
SYD
25h 50m
1 stop
Air Canada Logo
7:00 am - 8:55 pm
SYD
-
SAN
30h 55m
2 stops
$1,194Air Canada
Wed, May 27 - Wed, Jun 3
Delta Logo
3:15 pm - 6:50 am
SAN
-
SYD
22h 35m
1 stop
Delta Logo
9:15 am - 9:51 am
SYD
-
SAN
17h 36m
1 stop
$1,200Delta
Sun, May 24 - Sun, Jun 7
Delta Logo
10:50 am - 6:50 am
SAN
-
SYD
27h 00m
1 stop
Delta Logo
9:15 am - 9:52 am
SYD
-
SAN
17h 37m
1 stop
$1,201Delta
Sun, Jun 14 - Wed, Jul 22
Delta Logo
6:15 am - 6:50 am
SAN
-
SYD
31h 35m
2 stops
Delta Logo
9:15 am - 6:06 pm
SYD
-
SAN
25h 51m
2 stops
$1,205Delta
Sun, Jun 14 - Wed, Jul 22
Alaska Airlines Logo
5:19 pm - 6:50 pm
SAN
-
SYD
32h 31m
1 stop
Alaska Airlines Logo
8:45 pm - 8:55 pm
SYD
-
SAN
17h 10m
1 stop
$1,208Alaska Airlines
Thu, May 28 - Tue, Jun 2
Multiple Airlines Logo
4:55 pm - 11:55 am
SAN
-
SYD
26h 00m
2 stops
Multiple Airlines Logo
9:20 am - 8:55 pm
SYD
-
SAN
28h 35m
1 stop
$1,213Multiple Airlines
Mon, May 25 - Mon, Jun 1

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Delta flights from San Diego to Sydney

Our best Delta deals on San Diego to Sydney flight tickets
Delta
May 24
SAN3:15 pmSan Diego
22h 35m
1 stop
SYD6:50 amSydney Kingsford Smith
Jun 7
SYD9:15 amSydney Kingsford Smith
17h 36m
1 stop
SAN9:51 amSan Diego
$1,200
Delta
Jun 14
SAN10:50 amSan Diego
27h 00m
1 stop
SYD6:50 amSydney Kingsford Smith
Jul 22
SYD9:15 amSydney Kingsford Smith
17h 37m
1 stop
SAN9:52 amSan Diego
$1,201
Delta
Jun 14
SAN6:15 amSan Diego
31h 35m
2 stops
SYD6:50 amSydney Kingsford Smith
Jul 22
SYD9:15 amSydney Kingsford Smith
25h 51m
2 stops
SAN6:06 pmSan Diego
$1,205

Alaska Airlines flights from San Diego to Sydney

Our best Alaska Airlines deals on San Diego to Sydney flight tickets
Alaska Airlines
May 28
SAN5:19 pmSan Diego
32h 31m
1 stop
SYD6:50 pmSydney Kingsford Smith
Jun 2
SYD8:45 pmSydney Kingsford Smith
17h 10m
1 stop
SAN8:55 pmSan Diego
$1,208
Alaska Airlines
May 14
SAN5:19 pmSan Diego
32h 31m
1 stop
SYD6:50 pmSydney Kingsford Smith
May 28
SYD8:45 pmSydney Kingsford Smith
17h 10m
1 stop
SAN8:55 pmSan Diego
$1,251
Alaska Airlines
May 28
SAN5:19 pmSan Diego
32h 31m
1 stop
SYD6:50 pmSydney Kingsford Smith
Jun 4
SYD8:45 pmSydney Kingsford Smith
17h 10m
1 stop
SAN8:55 pmSan Diego
$1,253

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 2, 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 5/25

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Mon 6/1

9:20 am-8:55 pm

1 stop28h 35m

$1,128

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 5/27

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Wed 6/3

9:20 am-8:55 pm

1 stop28h 35m

$1,168

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 8/1

8:42 pm-7:10 pm

2 stops29h 28m

Sydney Kingsford Smith

Sat 8/15

8:55 pm-2:54 pm

2 stops34h 59m

$1,172

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 8/19

2:24 pm-7:10 pm

2 stops35h 46m

Sydney Kingsford Smith

Sat 9/5

11:45 am-2:54 pm

2 stops44h 09m

$1,180

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 5/27

12:30 pm-7:20 am

1 stop25h 50m

Sydney Kingsford Smith

Wed 6/3

7:00 am-8:55 pm

2 stops30h 55m

$1,194
Quickest round-trip

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 5/24

3:15 pm-6:50 am

1 stop22h 35m

Sydney Kingsford Smith

Sun 6/7

9:15 am-9:51 am

1 stop17h 36m

$1,200

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 6/14

10:50 am-6:50 am

1 stop27h 00m

Sydney Kingsford Smith

Wed 7/22

9:15 am-9:52 am

1 stop17h 37m

$1,201

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 6/14

6:15 am-6:50 am

2 stops31h 35m

Sydney Kingsford Smith

Wed 7/22

9:15 am-6:06 pm

2 stops25h 51m

$1,205

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 5/28

5:19 pm-6:50 pm

1 stop32h 31m

Sydney Kingsford Smith

Tue 6/2

8:45 pm-8:55 pm

1 stop17h 10m

$1,208

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 5/25

4:55 pm-11:55 am

2 stops26h 00m

Sydney Kingsford Smith

Mon 6/1

9:20 am-8:55 pm

1 stop28h 35m

$1,213

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, 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 $992. 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 $1,005.

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 $1,160 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 $746 on momondo.

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

You could potentially save up to 19% 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 7% 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
Hawaiian AirlinesPriceFrom $550Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,990 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,674 reviews
Search American Airlines flights
United AirlinesPriceFrom $857Free CancellationRating
7.4
9,682 reviews
Search United Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,463 reviews
Search Delta flights
Air New ZealandPriceFrom $1,008Free CancellationRating
8.0
638 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
Coogee
Lithgow
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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