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$860+ Cheap flights to San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
— SJU
4 Jul — 11 Jul1
1 adult
1 adult, Economy, 0 bags

Flights to San Juan in 2026

Enter your travel dates to find the best prices.

Cheapest flights to San Juan
Explore the most affordable flight options available to San Juan. Find the lowest fares based on data from user searches, with prices last updated on 4 June 2026.

Tue 25/809:10
SYD
-
SJU
2 stops41h 38m
American Airlines
Wed 9/906:27
SJU
-
SYD
2 stops34h 38m
American Airlines
Deal found 3/6$1,355
Wed 26/812:00
SYD
-
SJU
2 stops25h 59m
American Airlines
Mon 7/915:44
SJU
-
SYD
1 stop25h 11m
American Airlines
Deal found 3/6$1,376
Wed 26/809:15
SYD
-
SJU
2 stops27h 14m
Delta
Thu 10/907:30
SJU
-
SYD
2 stops33h 20m
Delta
Deal found 3/6$1,652
Sat 22/809:10
SYD
-
SJU
2 stops43h 28m
American Airlines
Wed 9/906:27
SJU
-
SYD
2 stops34h 38m
American Airlines
Deal found 3/6$1,690
Sun 23/817:50
SYD
-
SJU
2 stops34h 48m
American Airlines
Wed 9/911:51
SJU
-
SYD
2 stops29h 14m
American Airlines
Deal found 3/6$1,701
Tue 25/812:00
SYD
-
SJU
1 stop40h 54m
American Airlines
Fri 11/915:35
SJU
-
SYD
1 stop25h 20m
American Airlines
Deal found 3/6$1,712
Sat 22/809:30
SYD
-
SJU
2 stops25h 08m
United Airlines
Sun 6/914:20
SJU
-
SYD
2 stops26h 40m
United Airlines
Deal found 3/6$1,717
Thu 16/709:15
SYD
-
SJU
2 stops27h 14m
Delta
Thu 23/707:30
SJU
-
SYD
2 stops33h 20m
Delta
Deal found 1/6$1,840
Thu 10/912:00
SYD
-
SJU
1 stop40h 45m
American Airlines
Mon 14/910:16
SJU
-
SYD
2 stops30h 49m
American Airlines
Deal found 3/6$1,932
Fri 30/1011:15
SYD
-
SJU
2 stops38h 50m
American Airlines
Tue 3/1106:44
SJU
-
SYD
1 stop33h 11m
American Airlines
Deal found 1/6$1,936

Find flight deals to San Juan

Find the latest flights to San Juan in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 4 June 2026.

Return from

$1,355

One-way from

$860

Popular in

March

Cheapest in

October

Average price

$2,074
American Airlines
  • American Airlines
  • 25/8-9/9
  • 4 total stops
  • 76h 16m total
  • Sydney to San Juan
Search Deals
United Airlines
  • United Airlines
  • 13/7
  • 2 total stops
  • 40h 14m total
  • Sydney to San Juan
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($369 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($91 potential savings vs. average return price).
Search Deals
Average for return flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to San Juan that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 4 June 2026.
Use the filters below to find and compare flights to San Juan that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 22/8

09:30-23:50

2 stops28h 20m

San Juan Luis Munoz Marin Intl

Sun 6/9

01:00-07:00

2 stops40h 00m

$1,717

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 25/8

09:30-23:50

2 stops28h 20m

San Juan Luis Munoz Marin Intl

Fri 11/9

13:25-07:00

2 stops27h 35m

$1,717

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 27/8

09:30-20:38

2 stops25h 08m

San Juan Luis Munoz Marin Intl

Fri 11/9

07:00-07:00

2 stops34h 00m

$1,717
Fastest return journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 22/8

09:30-20:38

2 stops25h 08m

San Juan Luis Munoz Marin Intl

Sun 6/9

14:20-07:00

2 stops26h 40m

$1,717

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 16/7

09:15-22:29

2 stops27h 14m

San Juan Luis Munoz Marin Intl

Thu 23/7

07:30-06:50

2 stops33h 20m

$1,840

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 10/9

12:00-14:45

1 stop40h 45m

San Juan Luis Munoz Marin Intl

Mon 14/9

10:16-07:05

2 stops30h 49m

$1,932

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 30/10

11:15-11:05

2 stops38h 50m

San Juan Luis Munoz Marin Intl

Tue 3/11

06:44-06:55

1 stop33h 11m

$1,936

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 30/10

11:50-20:26

1 stop23h 36m

San Juan Luis Munoz Marin Intl

Tue 3/11

07:45-07:00

1 stop32h 15m

$2,002

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 30/10

10:20-13:25

2 stops42h 05m

San Juan Luis Munoz Marin Intl

Tue 3/11

07:45-09:35

2 stops34h 50m

$2,629
Cheapest one-way

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 14/7

09:30-05:29

2 stops33h 59m

$860

Flights are sorted by cheapest return flights first.

Deals found on 1/6

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to San Juan

How long is the flight to San Juan?

On average, a flight from Sydney to San Juan takes 26 hours 46 minutes. Flights to San Juan from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to San Juan?

The most popular airline flying from Sydney to San Juan is United Airlines.

United Airlines
United Airlines
From $1,167

What are the cheapest airlines that fly to San Juan?

The cheapest airline flying from Sydney to San Juan is United Airlines.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 55.0 - 156.0 mm per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan when rainfall is around 55.0 mm.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated 4 June 2026.
Read reviews from past customers who have flown United Airlines to Puerto Rico. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,774 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,774 reviews
United Airlines
7.4
Good
9,774 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

FAQs about flying to San Juan

  • Can I find cheaper flights to San Juan if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to San Juan on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to San Juan?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to San Juan.

  • Does San Juan Luis Munoz Marin Intl have car hire?

    Yes. Those touching down at San Juan Luis Munoz Marin Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to San Juan Luis Munoz Marin Intl?

    Yes. San Juan Luis Munoz Marin Intl has hotels nearby for those requiring accommodations. San Juan Airport Hotel is the closest property to San Juan Luis Munoz Marin Intl (0.0 km away from San Juan Luis Munoz Marin Intl).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Airports serving San Juan

Book a flight to or from one of these San Juan airports.
Flights to Luis Munoz Marin Intl
Flights from Luis Munoz Marin Intl

Fly with Cheapflights

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Why should you use Cheapflights to find cheap flight tickets to San Juan?

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Can Cheapflights find flights to San Juan with no change fees?

Yes, we can. To see specific flights to San Juan with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights to San Juan become cheaper?

Yes, Cheapflights offers price alerts on San Juan flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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