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Cheap flights from San Diego to Sydney from $448

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 4/6. 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

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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
6:10 pm - 7:20 am
SAN
-
SYD
20h 10m
1 stop
Air Canada Logo
9:20 am - 8:50 pm
SYD
-
SAN
28h 30m
1 stop
$940Air Canada
Mon, Apr 27 - Sun, May 10
Air Canada Logo
8:15 am - 7:20 am
SAN
-
SYD
30h 05m
1 stop
Air Canada Logo
9:20 am - 4:15 pm
SYD
-
SAN
23h 55m
1 stop
$951Air Canada
Wed, May 6 - Wed, May 13
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
$952Air Canada
Fri, May 8 - Sat, May 23
Air Canada Logo
6:10 pm - 7:20 am
SAN
-
SYD
20h 10m
1 stop
Air Canada Logo
6:00 am - 11:50 am
SYD
-
SAN
22h 50m
2 stops
$955Air Canada
Mon, Apr 27 - Sun, May 10
Multiple Airlines Logo
12:30 pm - 7:20 am
SAN
-
SYD
25h 50m
1 stop
Multiple Airlines Logo
9:20 am - 11:50 am
SYD
-
SAN
19h 30m
1 stop
$963Multiple Airlines
Tue, May 5 - Thu, May 14
Multiple Airlines Logo
4:55 pm - 7:20 am
SAN
-
SYD
21h 25m
1 stop
Multiple Airlines Logo
9:20 am - 8:50 pm
SYD
-
SAN
28h 30m
1 stop
$964Multiple Airlines
Fri, May 22 - Wed, Jun 10
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
$971Multiple Airlines
Wed, May 6 - Wed, May 13
Air Canada Logo
12:30 pm - 7:20 am
SAN
-
SYD
25h 50m
1 stop
Air Canada Logo
7:00 am - 4:15 pm
SYD
-
SAN
26h 15m
2 stops
$977Air Canada
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
8:15 am - 7:20 am
SAN
-
SYD
30h 05m
1 stop
Multiple Airlines Logo
8:10 pm - 11:50 am
SYD
-
SAN
32h 40m
2 stops
$978Multiple Airlines
Fri, May 8 - Sat, May 23
Multiple Airlines Logo
4:55 pm - 7:20 am
SAN
-
SYD
21h 25m
1 stop
Multiple Airlines Logo
7:00 am - 11:50 am
SYD
-
SAN
21h 50m
2 stops
$979Multiple Airlines
Sat, May 23 - Wed, Jun 10

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 7
SAN6:20 pmSan Diego
23h 20m
2 stops
SYD10:40 amSydney Kingsford Smith
Apr 26
SYD9:55 amSydney Kingsford Smith
27h 17m
2 stops
SAN8:12 pmSan Diego
$996
Air New Zealand
Aug 24
SAN5:00 pmSan Diego
24h 40m
2 stops
SYD10:40 amSydney Kingsford Smith
Sep 7
SYD11:55 amSydney Kingsford Smith
22h 31m
2 stops
SAN5:26 pmSan Diego
$997
Air New Zealand
Aug 10
SAN6:20 amSan Diego
33h 25m
2 stops
SYD8:45 amSydney Kingsford Smith
Sep 14
SYD11:55 amSydney Kingsford Smith
22h 31m
2 stops
SAN5:26 pmSan Diego
$1,003

Air Canada flights from San Diego to Sydney

Our best Air Canada deals on San Diego to Sydney flight tickets
Air Canada
Apr 27
SAN6:10 pmSan Diego
20h 10m
1 stop
SYD7:20 amSydney Kingsford Smith
May 10
SYD9:20 amSydney Kingsford Smith
28h 30m
1 stop
SAN8:50 pmSan Diego
$940
Air Canada
May 6
SAN8:15 amSan Diego
30h 05m
1 stop
SYD7:20 amSydney Kingsford Smith
May 13
SYD9:20 amSydney Kingsford Smith
23h 55m
1 stop
SAN4:15 pmSan Diego
$951
Air Canada
May 8
SAN4:55 pmSan Diego
21h 25m
1 stop
SYD7:20 amSydney Kingsford Smith
May 23
SYD9:20 amSydney Kingsford Smith
19h 30m
1 stop
SAN11:50 amSan Diego
$952

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 March 10, 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 4/27

6:10 pm-7:20 am

1 stop20h 10m

Sydney Kingsford Smith

Sun 5/10

9:20 am-8:50 pm

1 stop28h 30m

$940

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 5/6

8:15 am-7:20 am

1 stop30h 05m

Sydney Kingsford Smith

Wed 5/13

9:20 am-4:15 pm

1 stop23h 55m

$951
Quickest round-trip

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 5/8

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Sat 5/23

9:20 am-11:50 am

1 stop19h 30m

$952

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 4/27

6:10 pm-7:20 am

1 stop20h 10m

Sydney Kingsford Smith

Sun 5/10

6:00 am-11:50 am

2 stops22h 50m

$955

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 5/5

12:30 pm-7:20 am

1 stop25h 50m

Sydney Kingsford Smith

Thu 5/14

9:20 am-11:50 am

1 stop19h 30m

$963

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 5/22

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Wed 6/10

9:20 am-8:50 pm

1 stop28h 30m

$964

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 5/6

12:30 pm-7:20 am

1 stop25h 50m

Sydney Kingsford Smith

Wed 5/13

6:00 am-11:50 am

2 stops22h 50m

$971

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 5/7

12:30 pm-7:20 am

1 stop25h 50m

Sydney Kingsford Smith

Thu 5/14

7:00 am-4:15 pm

2 stops26h 15m

$977

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 5/8

8:15 am-7:20 am

1 stop30h 05m

Sydney Kingsford Smith

Sat 5/23

8:10 pm-11:50 am

2 stops32h 40m

$978

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 5/23

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Wed 6/10

7:00 am-11:50 am

2 stops21h 50m

$979

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 $978. 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 $994.

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 $1,161 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 $849 on momondo.

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

You could potentially save up to 8% 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 March 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

23h 00m

Direct flights

None
The fastest flight from San Diego to Sydney takes 23h 00m
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 23h 00m.

  • 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 $771Free CancellationRating
7.1
10,800 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,414 reviews
Search American Airlines flights
United AirlinesPriceFrom $901Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $934Free CancellationRating
8.0
12,014 reviews
Search Alaska Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,276 reviews
Search Delta flights
Air New ZealandPriceFrom $1,008Free CancellationRating
8.0
608 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
Katoomba
Parramatta
Wollongong
Penrith
Coogee
Manly
Randwick
Leura
Lithgow
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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