R22 865+ Cheap flights to San Juan
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
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 594 507 searches and data was last updated on 18 October 2025.
Find flight deals to San Juan
Best flights to San JuanDiscover carefully curated flight deals to San Juan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 October 2025.
Discover carefully curated flight deals to San Juan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights to San Juan that are best for you.
Fly from
Route
Depart
Return
Price
JohannesburgSan Juan
JNB - SJU
JNBSJU
Johannesburg OR Tambo
Fri 6/2
19:05-2:33
2 stops37h 28m
San Juan Luis Munoz Marin Intl
Tue 10/2
11:15-10:50
2 stops41h 35m
JohannesburgSan Juan
JNB - SJU
JNBSJU
Johannesburg OR Tambo
Fri 6/2
20:10-23:55
2 stops33h 45m
San Juan Luis Munoz Marin Intl
Tue 10/2
14:45-8:40
2 stops35h 55m
JohannesburgSan Juan
JNB - SJU
JNBSJU
Johannesburg OR Tambo
Fri 6/2
21:55-20:30
1 stop28h 35m
San Juan Luis Munoz Marin Intl
Tue 10/2
14:10-19:00
1 stop22h 50m
JohannesburgSan Juan
JNB - SJU
JNBSJU
Johannesburg OR Tambo
Fri 6/2
22:00-23:58
2 stops31h 58m
San Juan Luis Munoz Marin Intl
Tue 10/2
7:30-19:00
1 stop29h 30m
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.
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 Johannesburg to San Juan takes 33 hours 45 minutes. Flights to San Juan from other popular cities in South Africa 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 airlines flying from Johannesburg to San Juan are KLM, United Airlines and British Airways.
What are the cheapest airlines that fly to San Juan?
The cheapest airlines flying from Johannesburg to San Juan are United Airlines, KLM and British Airways.
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 18 October 2025.
Read reviews from past customers who have flown KLM, Qatar Airways, andUnited Airlines to Puerto Rico. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Abisola,Oct 2025
LOS - CDG
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Abisola,Oct 2025
LOS - CDG
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Abisola,Oct 2025
LOS - CDG
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Abisola,Oct 2025
LOS - CDG
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Abisola,Oct 2025
LOS - CDG
FAQs about flying to San Juan
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Airports serving San Juan
Book a flight to or from one of these San Juan airports.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights to San Juan?
When you search for this flight to San Juan, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.
Why should you use Cheapflights to find cheap flight tickets to San Juan?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to San Juan for you. Better yet — we are completely free to use.
Can Cheapflights find flights to San Juan with no change fees?
Certainly. Search results for flights to San Juan shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights to San Juan become cheaper?
Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to San Juan today and book when you’re ready!