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R21 132+ Cheap flights to San Juan

— SJU
Oct 6 — Oct 131
1 adult
1 adult, Economy, 0 bags

Flights to San Juan in 2026

Enter your travel dates to find the best prices.

Best flights to San Juan

Sun 24/118:50 -
2 stops61h 35m
Thu 28/111:06 -
2 stops41h 54m
Deal found 1/9R21 132
Sun 24/122:00 -
1 stop22h 40m
Thu 28/114:35 -
1 stop22h 00m
Deal found 1/9R30 375

Find flight deals to San Juan

Return from

R21 132

Popular in

May

Cheapest in

January

Average price

R18 279
Turkish Airlines
  • Turkish Airlines
  • 24/1-28/1
  • 4 total stops
  • 103h 29m total
  • Johannesburg to San Juan
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Highest demand for flights based on searches. 18% potential increase in price (R4 949 potential increase over avg. return price).
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Cheapest flight prices on average. 12% potential price decrease (R2 452 potential savings vs. average return price).
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Average for return flights in September 2026
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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

JohannesburgSan Juan

JNB Johannesburg OR Tambo - SJU San Juan Luis Munoz Marin Intl

JNBSJU

Johannesburg OR Tambo

Sun 24/1

18:50-2:25

2 stops61h 35m

San Juan Luis Munoz Marin Intl

Thu 28/1

11:06-11:00

2 stops41h 54m

R21 132
Fastest return journey

JohannesburgSan Juan

JNB Johannesburg OR Tambo - SJU San Juan Luis Munoz Marin Intl

JNBSJU

Johannesburg OR Tambo

Sun 24/1

22:00-14:40

1 stop22h 40m

San Juan Luis Munoz Marin Intl

Thu 28/1

14:35-18:35

1 stop22h 00m

R30 375

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Sorted by cheapest first

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

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 37 hours 35 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 and United Airlines.

United Airlines
United Airlines
From R14 651

What are the cheapest airlines that fly to San Juan?

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

Rainfall in San Juan 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

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

Read reviews from past customers who have flown KLM and 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.
KLM
7,8
Good
1 568 reviews
Check prices

Entertainment

7,2

Overall

7,8

Boarding

7,8

Crew

8,4

Comfort

7,7

Food

7,3

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7,8
Good
1 568 reviews
KLM
7,8
Good
1 568 reviews
Check prices

Entertainment

7,2

Overall

7,8

Boarding

7,8

Crew

8,4

Comfort

7,7

Food

7,3

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7,4
Good
10 173 reviews
KLM
7,8
Good
1 568 reviews
Check prices

Entertainment

7,2

Overall

7,8

Boarding

7,8

Crew

8,4

Comfort

7,7

Food

7,3

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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

Airports serving San Juan

Flights to Luis Munoz Marin Intl
Flights from Luis Munoz Marin Intl

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