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$1,666+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
— SJU
16 Dec — 23 Dec1
1 adult
1 adult, Economy, 0 bags

Flights to San Juan in 2025

Find the latest flights to San Juan in 2025, 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 16 November 2025.

Return from

$2,275

One-way from

$1,666

Popular in

November

Cheapest in

October

Average price

$2,555
Delta
  • Delta
  • 10/3-14/3
  • 4 total stops
  • 55h 40m total
  • Sydney to San Juan
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American Airlines
  • American Airlines
  • 10/1
  • 2 total stops
  • 33h 55m total
  • Sydney to San Juan
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Highest demand for flights based on searches. 6% potential increase in price.
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Cheapest flight prices on average. 1% potential price decrease ($32 potential savings vs. average return price).
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Average for return flights in November 2025
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Find flight deals to San Juan

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 16 November 2025.

Mon 29/1210:40SYD - SJU
2 stops25h 29mDelta
Mon 5/106:15SJU - SYD
2 stops35h 15mDelta
Deal found 14/11$2,460
Mon 29/1211:50SYD - SJU
1 stop33h 21mUnited Airlines
Mon 5/108:10SJU - SYD
2 stops31h 10mUnited Airlines
Deal found 14/11$2,784
Mon 29/1214:05SYD - SJU
1 stop25h 28mMultiple Airlines
Mon 5/113:22SJU - SYD
1 stop26h 33mMultiple Airlines
Deal found 14/11$4,997
Mon 29/1216:00SYD - SJU
2 stops38h 40mAir Canada
Sun 4/102:05SJU - SYD
3 stops40h 30mAir Canada
Deal found 14/11$8,101

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 16 November 2025.
Use the filters below to find and compare flights to San Juan that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 10/3

09:40-21:58

2 stops27h 18m

San Juan Luis Munoz Marin Intl

Sat 14/3

12:03-07:25

2 stops28h 22m

$2,275

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 26/1

14:15-23:44

2 stops24h 29m

San Juan Luis Munoz Marin Intl

Fri 30/1

07:30-08:30

2 stops34h 00m

$2,282

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 29/12

10:40-21:09

2 stops25h 29m

San Juan Luis Munoz Marin Intl

Mon 5/1

06:15-08:30

2 stops35h 15m

$2,460

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 10/3

11:50-20:26

1 stop23h 36m

San Juan Luis Munoz Marin Intl

Sat 14/3

14:46-09:05

2 stops51h 19m

$2,610

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 26/1

14:05-22:26

1 stop23h 21m

San Juan Luis Munoz Marin Intl

Fri 30/1

13:24-09:00

2 stops28h 36m

$2,683

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 26/1

11:50-21:26

1 stop24h 36m

San Juan Luis Munoz Marin Intl

Thu 29/1

02:05-06:20

2 stops37h 15m

$2,685

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 29/12

11:50-06:11

1 stop33h 21m

San Juan Luis Munoz Marin Intl

Mon 5/1

08:10-06:20

2 stops31h 10m

$2,784

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 10/1

20:10-15:05

2 stops33h 55m

$1,666

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 10/1

14:00-18:25

3 stops67h 25m

$2,579

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 10/1

21:15-18:24

3 stops60h 09m

$5,690

Flights are sorted by cheapest return flights first.

Deals found on 14/11

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 25 hours 29 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 $1,320
Qatar Airways
Qatar Airways
From $2,543

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 16 November 2025.
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
9,013 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
United Airlines
7.4
Good
9,013 reviews
United Airlines
7.4
Good
9,013 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.

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

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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

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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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