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$692 Cheap flights to San Diego

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Diego departing on 29/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Australia to San Diego

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
16:00 - 12:03SYD-SAN
39h 03m1 stop
Air Canada Logo
18:05 - 09:35SAN-SYD
20h 30m1 stop
$982Air Canada
Find Deal
Mon, 19 Jan - Tue, 3 Feb
Air Canada Logo
16:00 - 17:24SYD-SAN
20h 24m1 stop
Air Canada Logo
12:45 - 09:10SAN-SYD
49h 25m2 stops
$1,024Air Canada
Find Deal
Mon, 19 Jan - Tue, 3 Feb
Air Canada Logo
07:10 - 12:03MEL-SAN
23h 53m2 stops
Air Canada Logo
12:45 - 15:35SAN-MEL
31h 50m2 stops
$1,118Air Canada
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Tue, 3 Feb - Tue, 17 Feb
United Airlines Logo
12:10 - 10:46SYD-SAN
17h 36m1 stop
United Airlines Logo
09:55 - 09:15SAN-SYD
28h 20m1 stop
$1,641United Airlines
Find Deal
Sun, 11 Jan - Sun, 18 Jan
United Airlines Logo
12:10 - 10:46SYD-SAN
17h 36m1 stop
United Airlines Logo
09:00 - 09:15SAN-SYD
29h 15m2 stops
$1,647United Airlines
Find Deal
Sun, 11 Jan - Sun, 18 Jan
Japan Airlines Logo
10:30 - 09:45PER-SAN
39h 15m2 stops
Japan Airlines Logo
11:40 - 22:55SAN-PER
43h 15m2 stops
$2,091Japan Airlines
Find Deal
Sun, 11 Jan - Sun, 18 Jan
Virgin Australia Logo
11:40 - 23:05BNE-SAN
29h 25m1 stop
Virgin Australia Logo
19:52 - 07:30SAN-BNE
17h 38m1 stop
$2,348Virgin Australia
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Sun, 11 Jan - Sun, 18 Jan
Virgin Australia Logo
07:05 - 14:52BNE-SAN
25h 47m2 stops
Virgin Australia Logo
16:00 - 15:30SAN-BNE
29h 30m2 stops
$2,349Virgin Australia
Find Deal
Sun, 11 Jan - Sun, 18 Jan
Japan Airlines Logo
00:25 - 09:45PER-SAN
25h 20m2 stops
Japan Airlines Logo
11:40 - 22:55SAN-PER
43h 15m2 stops
$2,354Japan Airlines
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Sat, 10 Jan - Sun, 18 Jan
Air New Zealand Logo
08:20 - 19:54BNE-SAN
29h 34m3 stops
Air New Zealand Logo
06:15 - 07:00SAN-BNE
30h 45m2 stops
$2,371Air New Zealand
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Sun, 18 Jan - Mon, 2 Feb

momondo Fare Finder

 
Locate flights to San Diego that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 27 November 2025.
Use the filters below to find and compare flights to San Diego that are best for you.

Fly from

Route

Depart

Return

Price

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 19/1

16:00-12:03

1 stop39h 03m

San Diego

Tue 3/2

18:05-09:35

1 stop20h 30m

$982

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 19/1

16:00-17:24

1 stop20h 24m

San Diego

Tue 3/2

12:45-09:10

2 stops49h 25m

$1,024

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Tue 3/2

07:10-12:03

2 stops23h 53m

San Diego

Tue 17/2

12:45-15:35

2 stops31h 50m

$1,118

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 11/1

12:10-10:46

1 stop17h 36m

San Diego

Sun 18/1

09:55-09:15

1 stop28h 20m

$1,640

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 11/1

12:10-10:46

1 stop17h 36m

San Diego

Sun 18/1

09:00-09:15

2 stops29h 15m

$1,647

PerthSan Diego

PER - SAN

PERSAN

Perth

Sun 11/1

10:30-09:45

2 stops39h 15m

San Diego

Sun 18/1

11:40-22:55

2 stops43h 15m

$2,091

BrisbaneSan Diego

BNE - SAN

BNESAN

Brisbane

Sun 11/1

11:40-23:05

1 stop29h 25m

San Diego

Sun 18/1

19:52-07:30

1 stop17h 38m

$2,348

BrisbaneSan Diego

BNE - SAN

BNESAN

Brisbane

Sun 11/1

07:05-14:52

2 stops25h 47m

San Diego

Sun 18/1

16:00-15:30

2 stops29h 30m

$2,349

PerthSan Diego

PER - SAN

PERSAN

Perth

Sat 10/1

00:25-09:45

2 stops25h 20m

San Diego

Sun 18/1

11:40-22:55

2 stops43h 15m

$2,354

BrisbaneSan Diego

BNE - SAN

BNESAN

Brisbane

Sun 18/1

08:20-19:54

3 stops29h 34m

San Diego

Mon 2/2

06:15-07:00

2 stops30h 45m

$2,371

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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San Diego flights insights and trends

Explore insights for your San Diego flight to craft the best travel plan

What is the cheapest month to fly to San Diego?

The month of September is, on average, the cheapest month to fly to San Diego from Australia, with most prices found around $1,351. If you’re not able to fly to San Diego in September, then October is your next best option. Flight prices from Australia to San Diego during October average around $1,434.

What is the cheapest day to depart on your flight to San Diego?

On average, the least expensive day to fly to San Diego from Australia is on a Monday. momondo users have found tickets for Monday departures for as low as $1,733. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Australia because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $2,159.

What is the cheapest time of day to depart on your flight to San Diego?

Our data shows that the cheapest Australia to San Diego flights are usually those with departure times in the evening. Our users have found flights to San Diego in the evening for as low as $1,679. Try not to purchase tickets at midday because they tend to be around $2,596. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $1,697 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Australia for as low as $1,407 on momondo.

Cheapest flights to San Diego

Find the cheapest flights to San Diego from your nearest city or airport

Cheap San Diego flight deals and tips

Summary info about San Diego flight prices, duration and airlines

Best One-Way Price

$692

Best Round-Trip Price

$982

Fastest flight time

19h 18m

Popular in

June
The best one-way flight price to San Diego from Australia in the last 72 hours is $692 (Brisbane to San Diego).
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The best round-trip flight price to San Diego from Australia in the last 72 hours is $982 (Sydney Kingsford Smith to San Diego).
Search Deals
The fastest flight to San Diego from Australia takes 19h 18m (Brisbane to San Diego).
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June has the highest demand for flights to San Diego, with a 19% price increase on average.
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Frequently asked questions about flying to San Diego

When is the best time to plan a beach trip to San Diego?

The month of August is often the best time to visit San Diego to go to the beach due to the weather. Mission Beach is the most often visited beach in the area.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Australia when booking 16 days ahead of your departure date. In general, you can expect to find flights to San Diego for around $1,697 when searching 16 days out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Australia for as low as $949 on momondo.

Is there an alternative airport near San Diego?

Finding an alternative and possibly cheaper destination airport near San Diego is possible. If you are planning a flight to San Diego, consider booking flights to San Diego Carlsbad-Palomar Airport (47 km from San Diego city centre), Santa Ana J. Wayne/Orange Cnty Airport (126 km from San Diego city centre), Palm Springs Airport (138 km from San Diego city centre), Long Beach Municipal Airport (153 km from San Diego city centre) or Ontario Airport (155 km from San Diego city centre).

Is there a cheaper alternative to flying into San Diego?

Ontario Airport has an average price of $150 per person and is typically the cheapest airport to fly into when visiting San Diego. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

When did momondo last update prices for flights to San Diego Airport?

Prices for flights to San Diego Airport are refreshed on a daily basis.

How many operators does momondo search for flights to San Diego Airport?

As of November 2025, there are 7 operators available to choose from for flights to San Diego Airport.

How old do you have to be to fly to San Diego Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Lemon Grove

Why use momondo?

Why should I use momondo to find a flight deal to San Diego?

It is quick and easy to find flights to San Diego 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 San Diego that suits you.

Can I find flights to San Diego with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Diego with this policy.

How can momondo help me find flights to San Diego?

Once all potential San Diego flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

I’m not ready to book a flight to San Diego right now. Can momondo alert me if prices change?

If you are not ready to book a flight to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to San Diego and let you know when they change.

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Find better results for your trip to San Diego

Popular Flights to San Diego

Popular routes according to searches in the past day on momondo
Melbourne to San Diego Flightsfrom $955
Brisbane to San Diego Flightsfrom $800
Sydney Kingsford Smith to San Diego Flightsfrom $709
Perth to San Diego Flightsfrom $1,360