R18 437+ 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 3/12. 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 10 July 2025.
Find flight deals to San Juan
Cheapest flights to San JuanExplore the most affordable flight options available to San Juan. Find the lowest fares based on data from user searches, with prices last updated on 10 July 2025.
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 10 July 2025.
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 594 507 searches and data was last updated on 10 July 2025.
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
Wed 3/12
22:00-23:30
2 stops31h 30m
San Juan Luis Munoz Marin Intl
Sat 6/12
18:20-7:35
2 stops31h 15m
JohannesburgSan Juan
JNB - SJU
JNBSJU
Johannesburg OR Tambo
Wed 3/12
21:55-23:17
1 stop31h 22m
San Juan Luis Munoz Marin Intl
Sat 6/12
7:30-19:00
1 stop29h 30m
JohannesburgSan Juan
JNB - SJU
JNBSJU
Johannesburg OR Tambo
Wed 3/12
10:25-12:49
2 stops32h 24m
San Juan Luis Munoz Marin Intl
Sat 6/12
14:10-18:35
1 stop22h 25m
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 30 hours 36 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 KLM, United Airlines and Air France.
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 10 July 2025.
Read reviews from past customers who have flown Delta, United Airlines, andBritish Airways to Puerto Rico. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Crew
Entertainment
Comfort
Boarding
Overall
Reviews
Tony,Apr 2024
MCO - ATL
Food
Crew
Entertainment
Comfort
Boarding
Overall
Reviews
Tony,Apr 2024
MCO - ATL
Food
Crew
Entertainment
Comfort
Boarding
Overall
Reviews
Tony,Apr 2024
MCO - ATL
Food
Crew
Entertainment
Comfort
Boarding
Overall
Reviews
Tony,Apr 2024
MCO - ATL
FAQs about flying to San Juan
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Airports serving San Juan
Book a flight to or from one of these San Juan airports.
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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!