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Look for other cheap flights to Puerto Rico

$2,354 Cheap flights to Puerto Rico

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Puerto Rico departing on 21/5. 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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Recent flights found to popular cities in Puerto Rico

Find flights to these popular cities in Puerto Rico from your nearest airport.

Flights to San Juan Luis Munoz Marin Intl Airport

Search all flight deals to San Juan Luis Munoz Marin Intl Airport
Multiple Airlines
21 May
SYD
25h 54m
2 stops
SJU
28 May
SJU
27h 35m
2 stops
SYD
$2,354
American Airlines
21 May
SYD
25h 39m
1 stop
SJU
28 May
SJU
29h 10m
2 stops
SYD
$2,938
United Airlines
3 May
SYD
28h 20m
2 stops
SJU
6 May
SJU
34h 00m
2 stops
SYD
$3,055
United Airlines
3 May
SYD
27h 30m
2 stops
SJU
7 May
SJU
33h 15m
2 stops
SYD
$3,062
United Airlines
3 May
SYD
25h 54m
2 stops
SJU
7 May
SJU
26h 05m
2 stops
SYD
$3,070
United Airlines
3 May
SYD
28h 20m
2 stops
SJU
7 May
SJU
33h 35m
2 stops
SYD
$3,080
United Airlines
3 May
SYD
25h 54m
2 stops
SJU
7 May
SJU
26h 05m
2 stops
SYD
$3,130
American Airlines
21 May
SYD
30h 25m
1 stop
SJU
28 May
SJU
35h 25m
1 stop
SYD
$3,306
Multiple Airlines
21 May
SYD
29h 49m
2 stops
SJU
28 May
SJU
32h 35m
3 stops
SYD
$3,388
American Airlines
3 May
SYD
38h 03m
2 stops
SJU
7 May
SJU
25h 19m
1 stop
SYD
$3,389
American Airlines
3 May
SYD
25h 02m
1 stop
SJU
6 May
SJU
29h 22m
2 stops
SYD
$3,403
Multiple Airlines
21 May
SYD
31h 14m
3 stops
SJU
28 May
SJU
32h 35m
3 stops
SYD
$3,409

Find the cheapest flights from Australia to Puerto Rico

Recent return flight deals from Australia to Puerto Rico

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:30 - 21:24
SYD
-
SJU
25h 54m
2 stops
Multiple Airlines Logo
13:25 - 07:00
SJU
-
SYD
27h 35m
2 stops
$2,354Multiple Airlines
Thu, 21 May - Thu, 28 May
American Airlines Logo
12:00 - 23:39
SYD
-
SJU
25h 39m
1 stop
American Airlines Logo
11:55 - 07:05
SJU
-
SYD
29h 10m
2 stops
$2,938American Airlines
Thu, 21 May - Thu, 28 May
United Airlines Logo
09:30 - 23:50
SYD
-
SJU
28h 20m
2 stops
United Airlines Logo
07:00 - 07:00
SJU
-
SYD
34h 00m
2 stops
$3,055United Airlines
Sun, 3 May - Wed, 6 May
United Airlines Logo
10:20 - 23:50
SYD
-
SJU
27h 30m
2 stops
United Airlines Logo
07:40 - 06:55
SJU
-
SYD
33h 15m
2 stops
$3,062United Airlines
Sun, 3 May - Thu, 7 May
United Airlines Logo
09:30 - 21:24
SYD
-
SJU
25h 54m
2 stops
United Airlines Logo
14:55 - 07:00
SJU
-
SYD
26h 05m
2 stops
$3,070United Airlines
Sun, 3 May - Thu, 7 May
United Airlines Logo
09:30 - 23:50
SYD
-
SJU
28h 20m
2 stops
United Airlines Logo
07:20 - 06:55
SJU
-
SYD
33h 35m
2 stops
$3,080United Airlines
Sun, 3 May - Thu, 7 May
United Airlines Logo
09:30 - 21:24
SYD
-
SJU
25h 54m
2 stops
United Airlines Logo
14:55 - 07:00
SJU
-
SYD
26h 05m
2 stops
$3,130United Airlines
Sun, 3 May - Thu, 7 May
American Airlines Logo
12:00 - 04:25
SYD
-
SJU
30h 25m
1 stop
American Airlines Logo
05:30 - 06:55
SJU
-
SYD
35h 25m
1 stop
$3,306American Airlines
Thu, 21 May - Thu, 28 May
Multiple Airlines Logo
17:50 - 09:39
SYD
-
SJU
29h 49m
2 stops
Multiple Airlines Logo
11:55 - 10:30
SJU
-
SYD
32h 35m
3 stops
$3,388Multiple Airlines
Thu, 21 May - Thu, 28 May
American Airlines Logo
09:10 - 09:13
SYD
-
SJU
38h 03m
2 stops
American Airlines Logo
15:36 - 06:55
SJU
-
SYD
25h 19m
1 stop
$3,389American Airlines
Sun, 3 May - Thu, 7 May

momondo Fare Finder

 
Locate flights to Puerto Rico 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 April 2026.
Use the filters below to find and compare flights to Puerto Rico that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 21/5

09:30-21:24

2 stops25h 54m

San Juan Luis Munoz Marin Intl

Thu 28/5

13:25-07:00

2 stops27h 35m

$2,354

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 21/5

12:00-23:39

1 stop25h 39m

San Juan Luis Munoz Marin Intl

Thu 28/5

11:55-07:05

2 stops29h 10m

$2,938

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 3/5

09:30-23:50

2 stops28h 20m

San Juan Luis Munoz Marin Intl

Wed 6/5

07:00-07:00

2 stops34h 00m

$3,055

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 3/5

10:20-23:50

2 stops27h 30m

San Juan Luis Munoz Marin Intl

Thu 7/5

07:40-06:55

2 stops33h 15m

$3,062
Fastest return journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 3/5

09:30-21:24

2 stops25h 54m

San Juan Luis Munoz Marin Intl

Thu 7/5

14:55-07:00

2 stops26h 05m

$3,070

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 3/5

09:30-23:50

2 stops28h 20m

San Juan Luis Munoz Marin Intl

Thu 7/5

07:20-06:55

2 stops33h 35m

$3,080

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 3/5

09:30-21:24

2 stops25h 54m

San Juan Luis Munoz Marin Intl

Thu 7/5

14:55-07:00

2 stops26h 05m

$3,130

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 21/5

12:00-04:25

1 stop30h 25m

San Juan Luis Munoz Marin Intl

Thu 28/5

05:30-06:55

1 stop35h 25m

$3,306

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 21/5

17:50-09:39

2 stops29h 49m

San Juan Luis Munoz Marin Intl

Thu 28/5

11:55-10:30

3 stops32h 35m

$3,388

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 3/5

09:10-09:13

2 stops38h 03m

San Juan Luis Munoz Marin Intl

Thu 7/5

15:36-06:55

1 stop25h 19m

$3,389

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 Puerto Rico from

Puerto Rico flights insights and trends

Explore insights for your Puerto Rico flight to craft the best travel plan

Cheapest flights to cities in Puerto Rico

Click on the cities below to find out when it's cheapest to fly to Puerto Rico from Australia
San Juan
San Juan
Find flights to San Juan

Cheap Puerto Rico flight deals and tips

Summary info about Puerto Rico flight prices, duration and airlines

Best One-Way Price

$904

Best Round-Trip Price

$2,354

Fastest flight time

55h 00m
The best one-way flight price to Puerto Rico from Australia in the last 72 hours is $904 (Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl).
Search Deals
The best round-trip flight price to Puerto Rico from Australia in the last 72 hours is $2,354 (Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl).
Search Deals
The fastest flight to Puerto Rico from Australia takes 55h 00m (Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl).
Search Deals

Frequently asked questions about flying to Puerto Rico

What is the cheapest flight to Puerto Rico?

The best prices found on momondo for flights to Puerto Rico are:
$145 per person with Spirit Airlines
$177 per person with JetBlue
$1,184 per person with United Airlines

What is the most popular airport in Puerto Rico to fly to?

The most popular airport in Puerto Rico to fly to is San Juan Luis Munoz Marin Intl, based on our data. In the past 12 months, 92% of all momondo users who travelled to Puerto Rico chose to fly into San Juan Luis Munoz Marin Intl airport, which is located in the city of San Juan.

How long is the flight from Australia to Puerto Rico?

Flight times vary depending on what airport in Australia you fly out of and what airport in Puerto Rico you fly into. For example, flying from Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl takes 28h 20m on average. On the other hand, flying from Melbourne to San Juan Luis Munoz Marin Intl takes on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

When did momondo last update prices for flights to Puerto Rico?

Prices for flights to Puerto Rico are updated daily.

How many operators does momondo search for flights to Puerto Rico?

As of April 2026, there are 3 operators available to choose from for flights to Puerto Rico.

How old do you have to be to fly to Puerto Rico?

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 Puerto Rico.

What documentation or ID do you need to fly to Puerto Rico?

The necessary travel and health documents for your Puerto Rico 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 Puerto Rico?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Puerto Rico.

Can I find flights to Puerto Rico with flexible booking policies on momondo?

momondo does allow users to show only those flights to Puerto Rico which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Puerto Rico?

Once all potential Puerto Rico 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 Puerto Rico right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Puerto Rico flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular Flights to Puerto Rico

Popular routes according to searches in the past day on momondo
Sydney to San Juan flightsfrom $3,055