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Cheap flights from San Diego to Sydney from $546

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 12/6. 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
1 adult, Economy, 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.
Multiple Airlines Logo
4:45 pm - 8:15 pm
SAN
-
SYD
32h 30m
2 stops
Multiple Airlines Logo
12:25 pm - 1:04 pm
SYD
-
SAN
43h 39m
2 stops
$1,025Multiple Airlines
Mon, Nov 2 - Wed, Nov 18
Multiple Airlines Logo
4:45 pm - 8:15 pm
SAN
-
SYD
32h 30m
2 stops
Multiple Airlines Logo
12:25 pm - 5:59 pm
SYD
-
SAN
24h 34m
2 stops
$1,051Multiple Airlines
Mon, Nov 2 - Wed, Nov 18
United Airlines Logo
5:00 pm - 6:55 am
SAN
-
SYD
20h 55m
2 stops
United Airlines Logo
9:30 am - 11:35 am
SYD
-
SAN
19h 05m
1 stop
$1,187United Airlines
Wed, Aug 12 - Wed, Sep 2
United Airlines Logo
1:24 pm - 6:55 am
SAN
-
SYD
24h 31m
1 stop
United Airlines Logo
10:20 am - 12:13 pm
SYD
-
SAN
18h 53m
1 stop
$1,187United Airlines
Wed, Aug 12 - Wed, Sep 2
American Airlines Logo
12:54 pm - 7:05 am
SAN
-
SYD
25h 11m
2 stops
American Airlines Logo
12:00 pm - 6:51 pm
SYD
-
SAN
23h 51m
1 stop
$1,295American Airlines
Mon, Sep 14 - Mon, Sep 21
American Airlines Logo
1:50 pm - 6:55 am
SAN
-
SYD
24h 05m
1 stop
American Airlines Logo
12:00 pm - 6:51 pm
SYD
-
SAN
23h 51m
1 stop
$1,296American Airlines
Mon, Sep 14 - Mon, Sep 21
Delta Logo
3:59 pm - 8:30 am
SAN
-
SYD
21h 31m
1 stop
Delta Logo
10:40 am - 3:03 pm
SYD
-
SAN
23h 23m
1 stop
$1,307Delta
Sun, Nov 29 - Tue, Dec 15
Delta Logo
11:03 am - 8:30 am
SAN
-
SYD
26h 27m
1 stop
Delta Logo
10:40 am - 10:23 am
SYD
-
SAN
18h 43m
1 stop
$1,307Delta
Tue, Dec 1 - Wed, Dec 16
Air New Zealand Logo
11:00 am - 10:35 am
SAN
-
SYD
28h 35m
2 stops
Air New Zealand Logo
9:55 am - 6:35 pm
SYD
-
SAN
27h 40m
2 stops
$1,404Air New Zealand
Wed, Jan 27 - Tue, Feb 16
Air New Zealand Logo
6:26 pm - 10:35 am
SAN
-
SYD
45h 09m
2 stops
Air New Zealand Logo
7:25 pm - 5:17 pm
SYD
-
SAN
40h 52m
2 stops
$1,451Air New Zealand
Sat, Nov 21 - Sun, Nov 29

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Alaska Airlines flights from San Diego to Sydney

Our best Alaska Airlines deals on San Diego to Sydney flight tickets
Alaska Airlines
Nov 8
SAN5:17 pmSan Diego
31h 28m
1 stop
SYD7:45 pmSydney Kingsford Smith
Nov 17
SYD9:40 pmSydney Kingsford Smith
17h 28m
1 stop
SAN8:08 pmSan Diego
$1,101
Alaska Airlines
Oct 13
SAN5:00 pmSan Diego
31h 50m
1 stop
SYD6:50 pmSydney Kingsford Smith
Oct 20
SYD8:45 pmSydney Kingsford Smith
17h 54m
1 stop
SAN8:39 pmSan Diego
$1,106
Alaska Airlines
Oct 13
SAN5:00 pmSan Diego
31h 50m
1 stop
SYD6:50 pmSydney Kingsford Smith
Oct 20
SYD8:45 pmSydney Kingsford Smith
17h 54m
1 stop
SAN8:39 pmSan Diego
$1,107

Qantas Airways flights from San Diego to Sydney

Our best Qantas Airways deals on San Diego to Sydney flight tickets
Qantas Airways
Oct 28
SAN6:51 pmSan Diego
17h 34m
1 stop
SYD6:25 amSydney Kingsford Smith
Nov 16
SYD7:15 pmSydney Kingsford Smith
35h 56m
2 stops
SAN12:11 pmSan Diego
$1,218
Qantas Airways
Oct 28
SAN6:51 pmSan Diego
17h 34m
1 stop
SYD6:25 amSydney Kingsford Smith
Nov 16
SYD7:15 pmSydney Kingsford Smith
35h 56m
2 stops
SAN12:11 pmSan Diego
$1,219

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 August 1, 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 11/2

4:45 pm-8:15 pm

2 stops32h 30m

Sydney Kingsford Smith

Wed 11/18

12:25 pm-1:04 pm

2 stops43h 39m

$1,025

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 11/2

4:45 pm-8:15 pm

2 stops32h 30m

Sydney Kingsford Smith

Wed 11/18

12:25 pm-5:59 pm

2 stops24h 34m

$1,051
Quickest round-trip

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 8/12

5:00 pm-6:55 am

2 stops20h 55m

Sydney Kingsford Smith

Wed 9/2

9:30 am-11:35 am

1 stop19h 05m

$1,187

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 8/12

1:24 pm-6:55 am

1 stop24h 31m

Sydney Kingsford Smith

Wed 9/2

10:20 am-12:13 pm

1 stop18h 53m

$1,187

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 9/14

12:54 pm-7:05 am

2 stops25h 11m

Sydney Kingsford Smith

Mon 9/21

12:00 pm-6:51 pm

1 stop23h 51m

$1,295

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 9/14

1:50 pm-6:55 am

1 stop24h 05m

Sydney Kingsford Smith

Mon 9/21

12:00 pm-6:51 pm

1 stop23h 51m

$1,296

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 11/29

3:59 pm-8:30 am

1 stop21h 31m

Sydney Kingsford Smith

Tue 12/15

10:40 am-3:03 pm

1 stop23h 23m

$1,307

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 12/1

11:03 am-8:30 am

1 stop26h 27m

Sydney Kingsford Smith

Wed 12/16

10:40 am-10:23 am

1 stop18h 43m

$1,307

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 1/27

11:00 am-10:35 am

2 stops28h 35m

Sydney Kingsford Smith

Tue 2/16

9:55 am-6:35 pm

2 stops27h 40m

$1,404

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 11/21

6:26 pm-10:35 am

2 stops45h 09m

Sydney Kingsford Smith

Sun 11/29

7:25 pm-5:17 pm

2 stops40h 52m

$1,451

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $949 to $1,302.
The lowest price recently found on this route was $1,025.

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 $820. If you are unable to visit Sydney during the month of April, then departing from San Diego during the month November is also very affordable. Most momondo users find prices during this month for around $959.

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 $1,175 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 $848 on momondo.

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

You could potentially save up to 6% 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 August 2026, prices for San Diego to Sydney flights are approximately 33% 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

26h 56m

Direct flights

None
The fastest flight from San Diego to Sydney takes 26h 56m
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 26h 56m.

  • 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 $737Free CancellationRating
7.1
11,415 reviews
Search Air Canada flights
United AirlinesPriceFrom $771Free CancellationRating
7.4
10,062 reviews
Search United Airlines flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,848 reviews
Search American Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.8
8,497 reviews
Search Delta flights
Air New ZealandPriceFrom $1,042Free CancellationRating
8.0
657 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
Wollongong
Penrith
Katoomba
Leura
Cronulla
Randwick
Manly
Lithgow
Coogee
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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