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Look for other cheap flights to San Juan

$1,209 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 14/12. 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

American Airlines Logo
11:20 - 23:59SYD-SJU
27h 39m2 stops
American Airlines Logo
14:47 - 09:00SJU-SYD
27h 13m2 stops
$1,795American Airlines
Find Deal
Sun, 26 Oct - Sun, 2 Nov
United Airlines Logo
11:20 - 23:57SYD-SJU
27h 37m2 stops
United Airlines Logo
16:50 - 07:00SJU-SYD
47h 10m2 stops
$1,801United Airlines
Find Deal
Sat, 25 Oct - Sat, 1 Nov
United Airlines Logo
10:30 - 23:36SYD-SJU
28h 06m2 stops
United Airlines Logo
07:45 - 07:00SJU-SYD
32h 15m1 stop
$1,804United Airlines
Find Deal
Sun, 26 Oct - Sun, 2 Nov
United Airlines Logo
11:20 - 23:57SYD-SJU
27h 37m2 stops
United Airlines Logo
06:45 - 07:00SJU-SYD
33h 15m1 stop
$1,876United Airlines
Find Deal
Sat, 25 Oct - Sat, 1 Nov
American Airlines Logo
13:05 - 14:20SYD-SJU
40h 15m1 stop
American Airlines Logo
15:56 - 06:55SJU-SYD
23h 59m1 stop
$1,878American Airlines
Find Deal
Sun, 26 Oct - Sun, 2 Nov
United Airlines Logo
10:30 - 23:36SYD-SJU
28h 06m3 stops
United Airlines Logo
08:10 - 07:00SJU-SYD
31h 50m2 stops
$2,174United Airlines
Find Deal
Sun, 26 Oct - Sun, 2 Nov
Air Canada Logo
10:20 - 23:57SYD-SJU
28h 37m2 stops
Air Canada Logo
01:05 - 08:35SJU-SYD
40h 30m3 stops
$2,317Air Canada
Find Deal
Sat, 25 Oct - Fri, 31 Oct
United Airlines Logo
14:00 - 13:40SYD-SJU
38h 40m2 stops
United Airlines Logo
01:05 - 07:00SJU-SYD
38h 55m2 stops
$2,359United Airlines
Find Deal
Sun, 8 Mar - Mon, 9 Mar
Air Canada Logo
10:20 - 23:57SYD-SJU
28h 37m2 stops
Air Canada Logo
16:50 - 09:35SJU-SYD
73h 45m3 stops
$2,384Air Canada
Find Deal
Sat, 25 Oct - Sat, 1 Nov
Turkish Airlines Logo
22:05 - 02:48SYD-SJU
43h 43m3 stops
Turkish Airlines Logo
09:30 - 19:20SJU-SYD
42h 50m3 stops
$2,750Turkish Airlines
Find Deal
Sun, 26 Oct - Sun, 2 Nov

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 12 September 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

Sun 26/10

11:20-23:59

2 stops27h 39m

San Juan Luis Munoz Marin Intl

Sun 2/11

14:47-09:00

2 stops27h 13m

$1,795

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 25/10

11:20-23:57

2 stops27h 37m

San Juan Luis Munoz Marin Intl

Sat 1/11

16:50-07:00

2 stops47h 10m

$1,801

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 26/10

10:30-23:36

2 stops28h 06m

San Juan Luis Munoz Marin Intl

Sun 2/11

07:45-07:00

1 stop32h 15m

$1,804

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 25/10

11:20-23:57

2 stops27h 37m

San Juan Luis Munoz Marin Intl

Sat 1/11

06:45-07:00

1 stop33h 15m

$1,876

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 26/10

13:05-14:20

1 stop40h 15m

San Juan Luis Munoz Marin Intl

Sun 2/11

15:56-06:55

1 stop23h 59m

$1,878

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 26/10

10:30-23:36

3 stops28h 06m

San Juan Luis Munoz Marin Intl

Sun 2/11

08:10-07:00

2 stops31h 50m

$2,174

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 25/10

10:20-23:57

2 stops28h 37m

San Juan Luis Munoz Marin Intl

Fri 31/10

01:05-08:35

3 stops40h 30m

$2,317

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 8/3

14:00-13:40

2 stops38h 40m

San Juan Luis Munoz Marin Intl

Mon 9/3

01:05-07:00

2 stops38h 55m

$2,359

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 25/10

10:20-23:57

2 stops28h 37m

San Juan Luis Munoz Marin Intl

Sat 1/11

16:50-09:35

3 stops73h 45m

$2,384

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 26/10

22:05-02:48

3 stops43h 43m

San Juan Luis Munoz Marin Intl

Sun 2/11

09:30-19:20

3 stops42h 50m

$2,750

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 $1,670. 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 $1,876.

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 $2,101. Flights from Australia to San Juan on a Friday will generally be more expensive and average around $3,260. 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 $2,313. Try not to purchase tickets in the afternoon because they tend to be around $3,579. 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
Find flights from Sydney to San Juan Luis Munoz Marin Intl Airport
CHEAPEST MONTH TO FLY TO SAN JUAN FROM SYDNEYMarch28% cheaperFlying from Sydney to San Juan costs on average just $1,670 in March
MOST EXPENSIVE MONTH TO FLY TO SAN JUAN FROM SYDNEYDecember35% more expensiveIt costs about $3,118 for flights to San Juan from Sydney in December
MOST POPULAR MONTH TO FLY TO SAN JUAN FROM SYDNEYDecember360% 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

$1,209

Best Round-Trip Price

$1,795

Fastest flight time

23h 09m
The best one-way flight price to San Juan from Australia in the last 72 hours is $1,209 (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 $1,795 (Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl).
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The fastest flight to San Juan from Australia takes 23h 09m (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 San Juan Antiguo?

Yes, you can get a flight ticket to San Juan Luis Munoz Marin Intl if you want to reach San Juan Antiguo. It is the nearest San Juan airport (12.5 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 46m 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 September 2025, there are 4 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 $1,198