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$811 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 30/7. 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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Find the cheapest flights from Australia to San Diego

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
06:00 - 20:55
MEL
-
SAN
31h 55m
2 stops
Air Canada Logo
16:55 - 12:00
SAN
-
MEL
26h 05m
2 stops
$1,313Air Canada
Fri, 22 May - Fri, 29 May
Multiple Airlines Logo
06:00 - 20:55
MEL
-
SAN
31h 55m
2 stops
Multiple Airlines Logo
16:55 - 11:25
SAN
-
MEL
25h 30m
2 stops
$1,348Multiple Airlines
Tue, 26 May - Tue, 2 Jun
Air Canada Logo
20:30 - 20:55
MEL
-
SAN
41h 25m
2 stops
Air Canada Logo
16:55 - 11:35
SAN
-
MEL
25h 40m
2 stops
$1,354Air Canada
Mon, 25 May - Mon, 1 Jun
Air Canada Logo
06:00 - 20:55
MEL
-
SAN
31h 55m
2 stops
Air Canada Logo
12:30 - 12:00
SAN
-
MEL
30h 30m
2 stops
$1,355Air Canada
Wed, 27 May - Wed, 3 Jun
Delta Logo
10:00 - 14:57
MEL
-
SAN
21h 57m
1 stop
Delta Logo
15:15 - 07:50
SAN
-
MEL
23h 35m
1 stop
$1,459Delta
Sun, 17 May - Wed, 27 May
Delta Logo
10:00 - 18:45
MEL
-
SAN
25h 45m
2 stops
Delta Logo
10:59 - 07:50
SAN
-
MEL
27h 51m
1 stop
$1,471Delta
Fri, 22 May - Fri, 29 May
United Airlines Logo
10:55 - 14:55
MEL
-
SAN
45h 00m
2 stops
United Airlines Logo
16:06 - 08:15
SAN
-
MEL
23h 09m
1 stop
$1,486United Airlines
Sat, 1 Aug - Sat, 15 Aug
Alaska Airlines Logo
20:45 - 21:12
SYD
-
SAN
17h 27m
1 stop
Alaska Airlines Logo
17:10 - 18:50
SAN
-
SYD
32h 40m
1 stop
$1,637Alaska Airlines
Thu, 23 Apr - Sun, 26 Apr
Japan Airlines Logo
00:10 - 11:05
PER
-
SAN
25h 55m
2 stops
Japan Airlines Logo
13:00 - 06:50
SAN
-
PER
26h 50m
2 stops
$1,964Japan Airlines
Sat, 23 May - Sun, 31 May
Japan Airlines Logo
00:10 - 11:35
PER
-
SAN
26h 25m
2 stops
Japan Airlines Logo
13:35 - 22:40
SAN
-
PER
42h 05m
2 stops
$2,065Japan Airlines
Sat, 15 Aug - Sun, 30 Aug

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 14 April 2026.
Use the filters below to find and compare flights to San Diego that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Fri 22/5

06:00-20:55

2 stops31h 55m

San Diego

Fri 29/5

16:55-12:00

2 stops26h 05m

$1,313

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Tue 26/5

06:00-20:55

2 stops31h 55m

San Diego

Tue 2/6

16:55-11:25

2 stops25h 30m

$1,348

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Mon 25/5

20:30-20:55

2 stops41h 25m

San Diego

Mon 1/6

16:55-11:35

2 stops25h 40m

$1,354

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Wed 27/5

06:00-20:55

2 stops31h 55m

San Diego

Wed 3/6

12:30-12:00

2 stops30h 30m

$1,355
Fastest return journey

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Sun 17/5

10:00-14:57

1 stop21h 57m

San Diego

Wed 27/5

15:15-07:50

1 stop23h 35m

$1,459

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Fri 22/5

10:00-18:45

2 stops25h 45m

San Diego

Fri 29/5

10:59-07:50

1 stop27h 51m

$1,471

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Sat 1/8

10:55-14:55

2 stops45h 00m

San Diego

Sat 15/8

16:06-08:15

1 stop23h 09m

$1,486

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 23/4

20:45-21:12

1 stop17h 27m

San Diego

Sun 26/4

17:10-18:50

1 stop32h 40m

$1,637

PerthSan Diego

PER - SAN

PERSAN

Perth

Sat 23/5

00:10-11:05

2 stops25h 55m

San Diego

Sun 31/5

13:00-06:50

2 stops26h 50m

$1,964

PerthSan Diego

PER - SAN

PERSAN

Perth

Sat 15/8

00:10-11:35

2 stops26h 25m

San Diego

Sun 30/8

13:35-22:40

2 stops42h 05m

$2,065

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

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 $1,190. 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 $1,321.

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 $1,470 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 $1,231 on momondo.

Cheapest flights to San Diego

Find the cheapest flights to San Diego from your nearest city or airport
Find flights from Sydney to San Diego
CHEAPEST MONTH TO FLY TO SAN DIEGO FROM SYDNEYSeptember20% cheaperFlying from Sydney to San Diego costs on average just $1,190 in September
MOST EXPENSIVE MONTH TO FLY TO SAN DIEGO FROM SYDNEYDecember20% more expensiveIt costs about $1,767 for flights to San Diego from Sydney in December
MOST POPULAR MONTH TO FLY TO SAN DIEGO FROM SYDNEYDecember272% more users visitedMore momondo users searched in flights to San Diego from Sydney in December than any other month

Cheap San Diego flight deals and tips

Summary info about San Diego flight prices, duration and airlines

Best One-Way Price

$811

Best Round-Trip Price

$1,313

Fastest flight time

30h 08m

Popular in

June
The best one-way flight price to San Diego from Australia in the last 72 hours is $811 (Brisbane to San Diego).
Search Deals
The best round-trip flight price to San Diego from Australia in the last 72 hours is $1,313 (Melbourne to San Diego).
Search Deals
The fastest flight to San Diego from Australia takes 30h 08m (Melbourne to San Diego).
Search Deals
June has the highest demand for flights to San Diego, with a 27% price increase on average.
Search Deals

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 41 days ahead of your departure date. In general, you can expect to find flights to San Diego for around $1,470 when searching 41 days out.

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?

Santa Ana J. Wayne/Orange Cnty Airport has an average price of $84 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 April 2026, there are 8 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
Chula Vista

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 $982
Sydney Kingsford Smith to San Diego Flightsfrom $1,196
Perth to San Diego Flightsfrom $1,511
Brisbane to San Diego Flightsfrom $1,166