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Look for other cheap flights to Puerto Rico

$1,812 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 16/10. 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
American Airlines
16 Oct
SYD
25h 50m
2 stops
SJU
23 Nov
SJU
27h 19m
2 stops
SYD
$1,812
Delta
26 July
SYD
25h 30m
2 stops
SJU
5 Aug
SJU
34h 02m
2 stops
SYD
$1,827
American Airlines
26 July
SYD
25h 50m
1 stop
SJU
5 Aug
SJU
30h 57m
2 stops
SYD
$1,957
United Airlines
18 July
SYD
33h 09m
2 stops
SJU
4 Aug
SJU
33h 20m
2 stops
SYD
$2,598
United Airlines
18 July
SYD
33h 09m
2 stops
SJU
3 Aug
SJU
38h 50m
2 stops
SYD
$2,617
American Airlines
26 July
SYD
30h 39m
1 stop
SJU
5 Aug
SJU
25h 11m
1 stop
SYD
$2,723
Multiple Airlines
16 Oct
SYD
38h 40m
3 stops
SJU
23 Nov
SJU
27h 19m
2 stops
SYD
$2,791
American Airlines
18 July
SYD
30h 39m
1 stop
SJU
4 Aug
SJU
29h 11m
2 stops
SYD
$2,834
American Airlines
18 July
SYD
30h 39m
1 stop
SJU
4 Aug
SJU
30h 30m
2 stops
SYD
$2,846
American Airlines
18 July
SYD
25h 50m
1 stop
SJU
4 Aug
SJU
35h 10m
1 stop
SYD
$2,893
Multiple Airlines
18 July
SYD
26h 49m
2 stops
SJU
4 Aug
SJU
32h 36m
3 stops
SYD
$2,963
American Airlines
18 July
SYD
25h 50m
1 stop
SJU
4 Aug
SJU
35h 10m
1 stop
SYD
$2,980

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.
American Airlines Logo
13:00 - 23:50
SYD
-
SJU
25h 50m
2 stops
American Airlines Logo
14:41 - 09:00
SJU
-
SYD
27h 19m
2 stops
$1,812American Airlines
Fri, 16 Oct - Mon, 23 Nov
Delta Logo
09:15 - 20:45
SYD
-
SJU
25h 30m
2 stops
Delta Logo
06:48 - 06:50
SJU
-
SYD
34h 02m
2 stops
$1,827Delta
Sun, 26 Jul - Wed, 5 Aug
American Airlines Logo
12:00 - 23:50
SYD
-
SJU
25h 50m
1 stop
American Airlines Logo
10:33 - 07:30
SJU
-
SYD
30h 57m
2 stops
$1,957American Airlines
Sun, 26 Jul - Wed, 5 Aug
United Airlines Logo
10:20 - 05:29
SYD
-
SJU
33h 09m
2 stops
United Airlines Logo
07:40 - 07:00
SJU
-
SYD
33h 20m
2 stops
$2,598United Airlines
Sat, 18 Jul - Tue, 4 Aug
United Airlines Logo
10:20 - 05:29
SYD
-
SJU
33h 09m
2 stops
United Airlines Logo
02:05 - 06:55
SJU
-
SYD
38h 50m
2 stops
$2,617United Airlines
Sat, 18 Jul - Mon, 3 Aug
American Airlines Logo
12:00 - 04:39
SYD
-
SJU
30h 39m
1 stop
American Airlines Logo
15:44 - 06:55
SJU
-
SYD
25h 11m
1 stop
$2,723American Airlines
Sun, 26 Jul - Wed, 5 Aug
Multiple Airlines Logo
13:00 - 12:40
SYD
-
SJU
38h 40m
3 stops
Multiple Airlines Logo
14:41 - 09:00
SJU
-
SYD
27h 19m
2 stops
$2,791Multiple Airlines
Fri, 16 Oct - Mon, 23 Nov
American Airlines Logo
12:00 - 04:39
SYD
-
SJU
30h 39m
1 stop
American Airlines Logo
11:54 - 07:05
SJU
-
SYD
29h 11m
2 stops
$2,834American Airlines
Sat, 18 Jul - Tue, 4 Aug
American Airlines Logo
12:00 - 04:39
SYD
-
SJU
30h 39m
1 stop
American Airlines Logo
10:35 - 07:05
SJU
-
SYD
30h 30m
2 stops
$2,846American Airlines
Sat, 18 Jul - Tue, 4 Aug
American Airlines Logo
12:00 - 23:50
SYD
-
SJU
25h 50m
1 stop
American Airlines Logo
05:45 - 06:55
SJU
-
SYD
35h 10m
1 stop
$2,893American Airlines
Sat, 18 Jul - Tue, 4 Aug

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 May 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
Fastest return journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 16/10

13:00-23:50

2 stops25h 50m

San Juan Luis Munoz Marin Intl

Mon 23/11

14:41-09:00

2 stops27h 19m

$1,812

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 26/7

09:15-20:45

2 stops25h 30m

San Juan Luis Munoz Marin Intl

Wed 5/8

06:48-06:50

2 stops34h 02m

$1,827

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 26/7

12:00-23:50

1 stop25h 50m

San Juan Luis Munoz Marin Intl

Wed 5/8

10:33-07:30

2 stops30h 57m

$1,957

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 18/7

10:20-05:29

2 stops33h 09m

San Juan Luis Munoz Marin Intl

Tue 4/8

07:40-07:00

2 stops33h 20m

$2,598

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 18/7

10:20-05:29

2 stops33h 09m

San Juan Luis Munoz Marin Intl

Mon 3/8

02:05-06:55

2 stops38h 50m

$2,617

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 26/7

12:00-04:39

1 stop30h 39m

San Juan Luis Munoz Marin Intl

Wed 5/8

15:44-06:55

1 stop25h 11m

$2,723

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 16/10

13:00-12:40

3 stops38h 40m

San Juan Luis Munoz Marin Intl

Mon 23/11

14:41-09:00

2 stops27h 19m

$2,791

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 18/7

12:00-04:39

1 stop30h 39m

San Juan Luis Munoz Marin Intl

Tue 4/8

11:54-07:05

2 stops29h 11m

$2,834

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 18/7

12:00-04:39

1 stop30h 39m

San Juan Luis Munoz Marin Intl

Tue 4/8

10:35-07:05

2 stops30h 30m

$2,846

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 18/7

12:00-23:50

1 stop25h 50m

San Juan Luis Munoz Marin Intl

Tue 4/8

05:45-06:55

1 stop35h 10m

$2,893

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

$848

Best Round-Trip Price

$1,812

Fastest flight time

28h 49m
The best one-way flight price to Puerto Rico from Australia in the last 72 hours is $848 (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 $1,812 (Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl).
Search Deals
The fastest flight to Puerto Rico from Australia takes 28h 49m (Sydney Kingsford Smith to San Juan Luis Munoz Marin Intl).
Search Deals

Frequently asked questions about flying to Puerto Rico

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 26h 44m 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 May 2026, there are 2 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 $1,827