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Look for other cheap flights to San Juan

$1,232 Cheap flights to San Juan

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 Juan departing on 4/3. 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 Juan

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:50 - 21:26
SYD
-
SJU
24h 36m1 stop
United Airlines Logo
10:15 - 07:00
SJU
-
SYD
29h 45m1 stop
$1,914United Airlines
Mon, 23 Feb - Mon, 2 Mar
United Airlines Logo
11:20 - 06:11
SYD
-
SJU
33h 51m2 stops
United Airlines Logo
08:05 - 07:00
SJU
-
SYD
31h 55m2 stops
$1,999United Airlines
Sun, 22 Feb - Sun, 1 Mar
Multiple Airlines Logo
10:15 - 10:17
SYD
-
SJU
39h 02m3 stops
Multiple Airlines Logo
07:00 - 09:35
SJU
-
SYD
35h 35m3 stops
$2,512Multiple Airlines
Mon, 23 Feb - Mon, 2 Mar
American Airlines Logo
09:10 - 23:16
SYD
-
SJU
28h 06m2 stops
American Airlines Logo
05:37 - 07:05
SJU
-
SYD
35h 28m2 stops
$2,576American Airlines
Thu, 28 May - Mon, 1 Jun
American Airlines Logo
09:10 - 23:16
SYD
-
SJU
28h 06m2 stops
American Airlines Logo
10:23 - 07:05
SJU
-
SYD
30h 42m2 stops
$2,581American Airlines
Thu, 28 May - Mon, 1 Jun
American Airlines Logo
12:00 - 23:16
SYD
-
SJU
25h 16m1 stop
American Airlines Logo
10:23 - 07:05
SJU
-
SYD
30h 42m2 stops
$2,591American Airlines
Thu, 28 May - Mon, 1 Jun
American Airlines Logo
09:10 - 04:32
SYD
-
SJU
33h 22m2 stops
American Airlines Logo
07:20 - 07:05
SJU
-
SYD
33h 45m2 stops
$2,594American Airlines
Thu, 28 May - Mon, 1 Jun
American Airlines Logo
12:00 - 04:32
SYD
-
SJU
30h 32m1 stop
American Airlines Logo
07:20 - 07:05
SJU
-
SYD
33h 45m2 stops
$2,606American Airlines
Thu, 28 May - Mon, 1 Jun
Multiple Airlines Logo
11:10 - 22:32
SYD
-
SJU
26h 22m2 stops
Multiple Airlines Logo
07:00 - 09:35
SJU
-
SYD
35h 35m3 stops
$2,965Multiple Airlines
Mon, 23 Feb - Mon, 2 Mar
Turkish Airlines Logo
21:05 - 00:59
SYD
-
SJU
41h 54m3 stops
Turkish Airlines Logo
03:30 - 19:10
SJU
-
SYD
49h 40m3 stops
$3,055Turkish Airlines
Thu, 28 May - Sun, 31 May

momondo Fare Finder

 
Locate flights to San Juan 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 10 January 2026.
Use the filters below to find and compare flights to San Juan that are best for you.

Fly from

Route

Depart

Return

Price

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 23/2

11:50-21:26

1 stop24h 36m

San Juan Luis Munoz Marin Intl

Mon 2/3

10:15-07:00

1 stop29h 45m

$1,914

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 22/2

11:20-06:11

2 stops33h 51m

San Juan Luis Munoz Marin Intl

Sun 1/3

08:05-07:00

2 stops31h 55m

$1,999

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 23/2

10:15-10:17

3 stops39h 02m

San Juan Luis Munoz Marin Intl

Mon 2/3

07:00-09:35

3 stops35h 35m

$2,512

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 28/5

09:10-23:16

2 stops28h 06m

San Juan Luis Munoz Marin Intl

Mon 1/6

05:37-07:05

2 stops35h 28m

$2,576

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 28/5

09:10-23:16

2 stops28h 06m

San Juan Luis Munoz Marin Intl

Mon 1/6

10:23-07:05

2 stops30h 42m

$2,581

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 28/5

12:00-23:16

1 stop25h 16m

San Juan Luis Munoz Marin Intl

Mon 1/6

10:23-07:05

2 stops30h 42m

$2,591

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 28/5

09:10-04:32

2 stops33h 22m

San Juan Luis Munoz Marin Intl

Mon 1/6

07:20-07:05

2 stops33h 45m

$2,594

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 28/5

12:00-04:32

1 stop30h 32m

San Juan Luis Munoz Marin Intl

Mon 1/6

07:20-07:05

2 stops33h 45m

$2,606

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 23/2

11:10-22:32

2 stops26h 22m

San Juan Luis Munoz Marin Intl

Mon 2/3

07:00-09:35

3 stops35h 35m

$2,965

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 28/5

21:05-00:59

3 stops41h 54m

San Juan Luis Munoz Marin Intl

Sun 31/5

03:30-19:10

3 stops49h 40m

$3,055

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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San Juan flights insights and trends

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

What is the cheapest month to fly to San Juan?

The month of October is, on average, the cheapest month to fly to San Juan from Australia, with most prices found around $1,111. If you aren’t able to travel to San Juan during the month of October, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,476.

Cheapest flights to San Juan

Find the cheapest flights to San Juan from your nearest city or airport
Find flights from Sydney to San Juan Luis Munoz Marin Intl Airport
CHEAPEST MONTH TO FLY TO SAN JUAN FROM SYDNEYOctober49% cheaperFlying from Sydney to San Juan costs on average just $1,111 in October
MOST EXPENSIVE MONTH TO FLY TO SAN JUAN FROM SYDNEYFebruary19% more expensiveIt costs about $2,546 for flights to San Juan from Sydney in February
MOST POPULAR MONTH TO FLY TO SAN JUAN FROM SYDNEYNovember900% more users visitedMore momondo users searched in flights to San Juan from Sydney in November than any other month

Cheap San Juan flight deals and tips

Summary info about San Juan flight prices, duration and airlines

Best One-Way Price

$1,232

Best Round-Trip Price

$1,914

Fastest flight time

25h 32m
The best one-way flight price to San Juan from Australia in the last 72 hours is $1,232 (Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl).
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The best round-trip flight price to San Juan from Australia in the last 72 hours is $1,914 (Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl).
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The fastest flight to San Juan from Australia takes 25h 32m (Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl).
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Frequently asked questions about flying to San Juan

Is there an alternative airport near San Juan?

Those flying to San Juan could potentially find better pricing at San Juan Isla Grande Airport (2 km from San Juan city centre), Ceiba J. Aponte de la Torre Airport (55 km from San Juan city centre), Ponce Mercedita Airport (70 km from San Juan city centre), Vieques Airport (75 km from San Juan city centre) or Culebra Airport (87 km from San Juan city centre) depending on the month and departure airport.

Are there flights to Santurce?

Yes, you can get a flight ticket to San Juan Luis Munoz Marin Intl if you want to reach Santurce. It is the nearest San Juan airport (5.2 km away).

How long does it take to fly to San Juan?

If you’re flying from a popular airport in Australia, such as Sydney Kingsford Smith or Melbourne, and flying into San Juan, then you can expect flight times to average 27h 26m and , respectively.

When did momondo last update prices for flights to San Juan?

Prices for flights to San Juan are updated daily.

How many operators does momondo search for flights to San Juan?

As of January 2026, there are 3 operators available to choose from for flights to San Juan.

How old do you have to be to fly to San Juan?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to San Juan.

What documentation or ID do you need to fly to San Juan?

The necessary travel and health documents for your San Juan 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.

Why use momondo?

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

Finding the right flight to San Juan is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

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

Flights to San Juan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to San Juan?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to San Juan.

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

Yes. momondo can track flight prices for San Juan 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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Popular Flights to San Juan

Popular routes according to searches in the past day on momondo
Sydney Kingsford Smith to San Juan Flightsfrom $1,280