Look for other cheap flights to San Juan

$1,201 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 4/9. 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

Delta Logo
09:25 - 22:00SYD-SJU
26h 35m2 stops
Delta Logo
07:30 - 06:35SJU-SYD
33h 05m2 stops
$1,993Delta
Find Deal
Mon, 15 Sep - Mon, 22 Sep
United Airlines Logo
11:50 - 20:26SYD-SJU
23h 36m1 stop
United Airlines Logo
07:45 - 07:00SJU-SYD
32h 15m1 stop
$2,153United Airlines
Find Deal
Tue, 28 Oct - Tue, 4 Nov
United Airlines Logo
10:20 - 12:34SYD-SJU
40h 14m2 stops
United Airlines Logo
07:00 - 08:00SJU-SYD
34h 00m2 stops
$2,453United Airlines
Find Deal
Wed, 1 Oct - Wed, 8 Oct
United Airlines Logo
09:30 - 23:57SYD-SJU
28h 27m2 stops
United Airlines Logo
14:55 - 06:55SJU-SYD
50h 00m2 stops
$2,678United Airlines
Find Deal
Thu, 4 Sep - Fri, 5 Sep
American Airlines Logo
09:10 - 23:37SYD-SJU
28h 27m2 stops
American Airlines Logo
11:56 - 08:05SJU-SYD
29h 09m2 stops
$2,744American Airlines
Find Deal
Thu, 2 Oct - Thu, 9 Oct
American Airlines Logo
09:10 - 23:37SYD-SJU
28h 27m2 stops
American Airlines Logo
15:05 - 06:55SJU-SYD
25h 50m1 stop
$2,812American Airlines
Find Deal
Mon, 15 Sep - Mon, 22 Sep
Air Canada Logo
09:20 - 12:00SYD-SJU
40h 40m3 stops
Air Canada Logo
16:55 - 07:20SJU-SYD
48h 25m2 stops
$3,461Air Canada
Find Deal
Mon, 15 Sep - Mon, 22 Sep
 Logo
13:15 - 11:04SYD-SJU
35h 49m3 stops
 Logo
11:51 - 13:15SJU-SYD
34h 24m3 stops
$3,534
Find Deal
Thu, 2 Oct - Thu, 9 Oct
Air Canada Logo
09:20 - 13:45SYD-SJU
42h 25m3 stops
Air Canada Logo
01:05 - 07:20SJU-SYD
40h 15m2 stops
$3,710Air Canada
Find Deal
Mon, 15 Sep - Sun, 21 Sep
 Logo
12:10 - 16:18SYD-SJU
42h 08m1 stop
 Logo
17:18 - 06:55SJU-SYD
46h 37m1 stop
$5,009
Find Deal
Thu, 2 Oct - Thu, 9 Oct

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 18 August 2025.
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 15/9

09:25-22:00

2 stops26h 35m

San Juan Luis Munoz Marin Intl

Mon 22/9

07:30-06:35

2 stops33h 05m

$1,993

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 28/10

11:50-20:26

1 stop23h 36m

San Juan Luis Munoz Marin Intl

Tue 4/11

07:45-07:00

1 stop32h 15m

$2,153

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Wed 1/10

10:20-12:34

2 stops40h 14m

San Juan Luis Munoz Marin Intl

Wed 8/10

07:00-08:00

2 stops34h 00m

$2,453

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 4/9

09:30-23:57

2 stops28h 27m

San Juan Luis Munoz Marin Intl

Fri 5/9

14:55-06:55

2 stops50h 00m

$2,678

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 2/10

09:10-23:37

2 stops28h 27m

San Juan Luis Munoz Marin Intl

Thu 9/10

11:56-08:05

2 stops29h 09m

$2,744

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 15/9

09:10-23:37

2 stops28h 27m

San Juan Luis Munoz Marin Intl

Mon 22/9

15:05-06:55

1 stop25h 50m

$2,812

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 15/9

09:20-12:00

3 stops40h 40m

San Juan Luis Munoz Marin Intl

Mon 22/9

16:55-07:20

2 stops48h 25m

$3,461

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 2/10

13:15-11:04

3 stops35h 49m

San Juan Luis Munoz Marin Intl

Thu 9/10

11:51-13:15

3 stops34h 24m

$3,534

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 15/9

09:20-13:45

3 stops42h 25m

San Juan Luis Munoz Marin Intl

Sun 21/9

01:05-07:20

2 stops40h 15m

$3,710

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 2/10

12:10-16:18

1 stop42h 08m

San Juan Luis Munoz Marin Intl

Thu 9/10

17:18-06:55

1 stop46h 37m

$5,009

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 Juan from

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 March is, on average, the cheapest month to fly to San Juan from Australia, with most prices found around $1,706. If you aren’t able to travel to San Juan during the month of March, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,867.

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

Our data shows that Monday is the least expensive day to fly to San Juan. Tickets to fly out on this day can be as low as $2,146. Flights from Australia to San Juan on a Friday will generally be more expensive and average around $3,330. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to San Juan is in the morning. Flights from Australia to San Juan during this time can be as low as $2,362. Try not to purchase tickets in the afternoon because they tend to be around $3,656. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheapest flights to San Juan

Find the cheapest flights to San Juan from your nearest city or airport
CHEAPEST MONTH TO FLY TO SAN JUAN FROM SYDNEYMarch30% cheaperFlying from Sydney to San Juan costs on average just $1,706 in March
MOST EXPENSIVE MONTH TO FLY TO SAN JUAN FROM SYDNEYDecember38% more expensiveIt costs about $3,329 for flights to San Juan from Sydney in December
MOST POPULAR MONTH TO FLY TO SAN JUAN FROM SYDNEYDecember425% more users visitedMore momondo users searched in flights to San Juan from Sydney in December 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

$1,201

Best Round-Trip Price

$1,993

Fastest flight time

27h 37m
The best one-way flight price to San Juan from Australia in the last 72 hours is $1,201 (Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl).
The best round-trip flight price to San Juan from Australia in the last 72 hours is $1,993 (Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl).
The fastest flight to San Juan from Australia takes 27h 37m (Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl).

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 26h 35m 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?

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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