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Cheap flights from San Diego to Sydney from $495

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 3/7. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:55 pm - 9:00 am
SAN
-
SYD
22h 05m
2 stops
American Airlines Logo
6:50 pm - 9:39 pm
SYD
-
SAN
20h 49m
2 stops
$1,039American Airlines
Di, Mrz 24 - Di, Mrz 31
American Airlines Logo
2:46 pm - 6:55 am
SAN
-
SYD
22h 09m
1 stop
American Airlines Logo
6:50 pm - 9:39 pm
SYD
-
SAN
20h 49m
2 stops
$1,040American Airlines
Di, Mrz 24 - Di, Mrz 31
United Airlines Logo
8:32 pm - 7:00 am
SAN
-
SYD
17h 28m
1 stop
United Airlines Logo
10:20 am - 9:51 am
SYD
-
SAN
16h 31m
1 stop
$1,051United Airlines
So, Mai 24 - Mi, Jun 3
Delta Logo
7:25 pm - 8:30 am
SAN
-
SYD
18h 05m
1 stop
Delta Logo
10:40 am - 9:55 am
SYD
-
SAN
18h 15m
1 stop
$1,052Delta
Mi, Feb 18 - Di, Feb 24
United Airlines Logo
7:45 am - 9:05 am
SAN
-
SYD
30h 20m
2 stops
United Airlines Logo
2:00 pm - 12:39 pm
SYD
-
SAN
17h 39m
1 stop
$1,056United Airlines
Mi, Feb 18 - Di, Feb 24
Delta Logo
1:20 pm - 8:30 am
SAN
-
SYD
24h 10m
2 stops
Delta Logo
2:15 pm - 6:04 pm
SYD
-
SAN
22h 49m
2 stops
$1,057Delta
Mi, Feb 18 - Di, Feb 24
American Airlines Logo
9:00 am - 6:55 am
SAN
-
SYD
26h 55m
1 stop
American Airlines Logo
2:05 pm - 3:49 pm
SYD
-
SAN
20h 44m
1 stop
$1,067American Airlines
Mi, Feb 18 - Mi, Feb 25
American Airlines Logo
4:45 pm - 9:00 am
SAN
-
SYD
21h 15m
2 stops
American Airlines Logo
11:20 am - 4:00 pm
SYD
-
SAN
23h 40m
2 stops
$1,069American Airlines
Mi, Feb 18 - Mi, Feb 25
American Airlines Logo
4:45 pm - 9:00 am
SAN
-
SYD
21h 15m
2 stops
American Airlines Logo
2:05 pm - 3:49 pm
SYD
-
SAN
20h 44m
1 stop
$1,070American Airlines
Mi, Feb 18 - Mi, Feb 25
American Airlines Logo
4:55 pm - 9:00 am
SAN
-
SYD
22h 05m
2 stops
American Airlines Logo
6:50 pm - 9:39 pm
SYD
-
SAN
20h 49m
2 stops
$1,071American Airlines
Mo, Mrz 23 - Mo, Mrz 30

United Airlines flights from San Diego to Sydney

Our best United Airlines deals on San Diego to Sydney flight tickets
United Airlines
May 24
SAN8:32 pmSan Diego
17h 28m
1 stop
SYD7:00 amSydney Kingsford Smith
Jun 3
SYD10:20 amSydney Kingsford Smith
16h 31m
1 stop
SAN9:51 amSan Diego
$1,051
United Airlines
Feb 18
SAN7:45 amSan Diego
30h 20m
2 stops
SYD9:05 amSydney Kingsford Smith
Feb 24
SYD2:00 pmSydney Kingsford Smith
17h 39m
1 stop
SAN12:39 pmSan Diego
$1,056
United Airlines
Mar 23
SAN11:57 amSan Diego
27h 18m
1 stop
SYD9:15 amSydney Kingsford Smith
Mar 30
SYD10:30 amSydney Kingsford Smith
17h 50m
1 stop
SAN10:20 amSan Diego
$1,083

Alaska Airlines flights from San Diego to Sydney

Our best Alaska Airlines deals on San Diego to Sydney flight tickets
Alaska Airlines
May 26
SAN5:45 pmSan Diego
32h 05m
1 stop
SYD6:50 pmSydney Kingsford Smith
May 29
SYD8:45 pmSydney Kingsford Smith
16h 45m
1 stop
SAN8:30 pmSan Diego
$1,184
Alaska Airlines
May 26
SAN5:45 pmSan Diego
32h 05m
1 stop
SYD6:50 pmSydney Kingsford Smith
May 30
SYD8:45 pmSydney Kingsford Smith
36h 45m
1 stop
SAN4:30 pmSan Diego
$1,201
Alaska Airlines
May 29
SAN5:45 pmSan Diego
32h 05m
1 stop
SYD6:50 pmSydney Kingsford Smith
Jun 2
SYD8:45 pmSydney Kingsford Smith
16h 45m
1 stop
SAN8:30 pmSan Diego
$1,259

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 Februar 8, 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

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Di 3/24

4:55 pm-9:00 am

2 stops22h 05m

Sydney Kingsford Smith

Di 3/31

6:50 pm-9:39 pm

2 stops20h 49m

$1,039

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Di 3/24

2:46 pm-6:55 am

1 stop22h 09m

Sydney Kingsford Smith

Di 3/31

6:50 pm-9:39 pm

2 stops20h 49m

$1,040

San DiegoSydney

SAN - SYD

SANSYD

San Diego

So 5/24

8:32 pm-7:00 am

1 stop17h 28m

Sydney Kingsford Smith

Mi 6/3

10:20 am-9:51 am

1 stop16h 31m

$1,051

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mi 2/18

7:25 pm-8:30 am

1 stop18h 05m

Sydney Kingsford Smith

Di 2/24

10:40 am-9:55 am

1 stop18h 15m

$1,052

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mi 2/18

7:45 am-9:05 am

2 stops30h 20m

Sydney Kingsford Smith

Di 2/24

2:00 pm-12:39 pm

1 stop17h 39m

$1,056

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mi 2/18

1:20 pm-8:30 am

2 stops24h 10m

Sydney Kingsford Smith

Di 2/24

2:15 pm-6:04 pm

2 stops22h 49m

$1,057

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mi 2/18

9:00 am-6:55 am

1 stop26h 55m

Sydney Kingsford Smith

Mi 2/25

2:05 pm-3:49 pm

1 stop20h 44m

$1,067

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mi 2/18

4:45 pm-9:00 am

2 stops21h 15m

Sydney Kingsford Smith

Mi 2/25

11:20 am-4:00 pm

2 stops23h 40m

$1,069

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mi 2/18

4:45 pm-9:00 am

2 stops21h 15m

Sydney Kingsford Smith

Mi 2/25

2:05 pm-3:49 pm

1 stop20h 44m

$1,070

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mo 3/23

4:55 pm-9:00 am

2 stops22h 05m

Sydney Kingsford Smith

Mo 3/30

6:50 pm-9:39 pm

2 stops20h 49m

$1,071

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 $949. If you are unable to visit Sydney during the month of August, then departing from San Diego during the month November is also very affordable. Most momondo users find prices during this month for around $961.

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 $1,106 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 $926 on momondo.

How have San Diego to Sydney flight prices changed over time?

As of February 2026, prices for San Diego to Sydney flights are approximately 3% more expensive 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

19h 40m

Direct flights

None
The fastest flight from San Diego to Sydney takes 19h 40m
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 19h 40m.

  • 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
2,829 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $771Free CancellationRating
7.1
10,697 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights
United AirlinesPriceFrom $901Free CancellationRating
7.4
9,255 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $934Free CancellationRating
8.0
11,851 reviews
Search Alaska Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,173 reviews
Search Delta flights
Air New ZealandPriceFrom $956Free CancellationRating
8.0
582 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
Wollongong
Randwick
Penrith
Coogee
Manly
Lithgow
Leura
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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