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Cheap flights from Johannesburg to San Juan from R18 308

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
JNB — SJU
Sep 11 — Sep 181
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Johannesburg to San Juan

Enter your travel dates to find the best prices.

Cheapest flights from Johannesburg to San Juan
Explore the most affordable flight options available from Johannesburg to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 August 2026.

Mon 21/910:25 -
2 stops33h 28m
Mon 28/913:25 -
1 stop23h 05m
Deal found 7/8R18 308
Sat 26/1222:00 -
1 stop43h 50m
Sat 9/119:35 -
1 stop41h 00m
Deal found 8/8R23 719
Fri 25/1222:00 -
1 stop32h 36m
Fri 8/12:05 -
1 stop34h 30m
Deal found 8/8R25 501
Thu 24/1219:35 -
2 stops34h 04m
Wed 6/118:10 -
2 stops34h 15m
Deal found 8/8R25 987
Sun 27/1223:59 -
2 stops42h 01m
Fri 8/16:15 -
1 stop30h 55m
Deal found 8/8R26 214
Sat 26/1219:35 -
2 stops45h 02m
Wed 6/118:10 -
2 stops34h 15m
Deal found 8/8R27 138
Thu 24/1219:35 -
2 stops34h 04m
Thu 7/121:35 -
2 stops30h 50m
Deal found 8/8R27 154
Sat 26/1222:00 -
1 stop43h 50m
Thu 7/18:35 -
2 stops43h 05m
Deal found 8/8R27 267
Sat 26/1222:00 -
1 stop43h 50m
Wed 6/114:35 -
1 stop22h 00m
Deal found 8/8R27 300
Sun 27/1219:35 -
2 stops48h 06m
Wed 6/118:10 -
2 stops34h 15m
Deal found 8/8R27 802

Find flight deals from Johannesburg to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Johannesburg (ZA1) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 August 2026.

Round-trip from

R18 308

Popular in

May

Cheapest in

March

Average price

R20 252
United Airlines
  • United Airlines
  • 21/9-28/9
  • 3 total stops
  • 56h 33m total
  • Johannesburg to San Juan
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (R78 694 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (R32 789 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Johannesburg to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 594 507 searches. Data last updated 12 August 2026.
Use the filters below to find and compare flights from Johannesburg to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

JohannesburgSan Juan

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

JNBSJU

Johannesburg OR Tambo

Mon 21/9

10:25-11:57

2 stops31h 32m

San Juan Luis Munoz Marin Intl

Mon 28/9

16:55-18:30

2 stops43h 35m

R18 308

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 stops37h 35m

San Juan Luis Munoz Marin Intl

Sat 30/1

11:06-11:00

2 stops41h 54m

R19 685

JohannesburgSan Juan

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

JNBSJU

Johannesburg OR Tambo

Mon 11/1

23:59-23:55

2 stops29h 56m

San Juan Luis Munoz Marin Intl

Tue 26/1

7:30-19:10

1 stop29h 40m

R22 990

JohannesburgSan Juan

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

JNBSJU

Johannesburg OR Tambo

Thu 24/12

22:00-0:36

1 stop32h 36m

San Juan Luis Munoz Marin Intl

Fri 8/1

2:05-18:35

1 stop34h 30m

R27 300

JohannesburgSan Juan

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

JNBSJU

Johannesburg OR Tambo

Fri 25/12

22:00-11:50

1 stop43h 50m

San Juan Luis Munoz Marin Intl

Sat 9/1

17:50-18:35

2 stops42h 45m

R27 300

JohannesburgSan Juan

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

JNBSJU

Johannesburg OR Tambo

Thu 24/12

19:35-10:37

2 stops45h 02m

San Juan Luis Munoz Marin Intl

Sat 9/1

14:52-10:25

2 stops37h 33m

R29 552

JohannesburgSan Juan

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

JNBSJU

Johannesburg OR Tambo

Mon 28/12

19:35-23:39

2 stops34h 04m

San Juan Luis Munoz Marin Intl

Thu 7/1

21:35-10:25

2 stops30h 50m

R30 021

JohannesburgSan Juan

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

JNBSJU

Johannesburg OR Tambo

Thu 24/12

22:00-0:36

1 stop32h 36m

San Juan Luis Munoz Marin Intl

Wed 6/1

17:50-18:35

2 stops42h 45m

R30 848
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

Sat 30/1

14:35-18:35

1 stop22h 00m

R30 945

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Sorted by cheapest first

Best time to book a flight from Johannesburg to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Johannesburg 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 from Johannesburg to San Juan

What is the cheapest month to book a flight from Johannesburg to San Juan?

Currently, March is the cheapest month in which you can book a flight from Johannesburg to San Juan (average of R16 736). Flying from Johannesburg to San Juan in May is currently the most expensive (average of R44 749). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 12 August 2026.
Read reviews from past customers who have flown with KLM and United Airlines from Johannesburg to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7,8
Good
1 556 reviews
Check prices

Boarding

7,8

Entertainment

7,2

Food

7,3

Comfort

7,7

Overall

7,8

Crew

8,4

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
1 556 reviews
KLM
7,8
Good
1 556 reviews
Check prices

Boarding

7,8

Entertainment

7,2

Food

7,3

Comfort

7,7

Overall

7,8

Crew

8,4

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
10 106 reviews
KLM
7,8
Good
1 556 reviews
Check prices

Boarding

7,8

Entertainment

7,2

Food

7,3

Comfort

7,7

Overall

7,8

Crew

8,4

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

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

Related info for your journey

Find useful and relevant information for your journey from Johannesburg to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Johannesburg to San Juan?

    A quick flight from Johannesburg to San Juan can take about 29h 56m. United Airlines provides one of the quickest options available for as low as R22 990. The distance between Johannesburg and San Juan is about 11298 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Johannesburg to San Juan round-trip?

    According to our current data, United Airlines (R15 029), and KLM (R15 178) offers the cheapest pricing from Johannesburg to San Juan. These flights start at 33% lower than the current average price 3 months from now.

  • Can I find deals for flights from Johannesburg to San Juan that include hotel bookings?

    Yes. In addition to deals on Johannesburg to San Juan flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Johannesburg to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Johannesburg to San Juan.

  • Can I find deals for business class flights from Johannesburg to San Juan?

    Yes. Cheapflights offers flight deals from Johannesburg to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Johannesburg to San Juan?

    Currently, March is the cheapest month in which you can book a flight from Johannesburg to San Juan (average of R16 736). Flying from Johannesburg to San Juan in May is currently the most expensive (average of R44 749). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Johannesburg to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
OR Tambo to Luis Munoz Marin Intl flights

Top 2 airlines flying from Johannesburg to San Juan

Discover the top 2 airlines that operate flights from Johannesburg to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 594 507 searches. Data last updated 12 August 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestR15 029AverageR17 177FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapestR15 178AverageR18 944FlexibilityNo cancel feeOn-time75%
Search KLM flights

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 from Johannesburg to San Juan?

Cheapflights helps you search for flights from Johannesburg to San Juan via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Johannesburg to San Juan for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to San Juan from Johannesburg 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 from Johannesburg to San Juan become cheaper?

Yes, Cheapflights offers price alerts on Johannesburg to San Juan flights so you can book your travel at the perfect time. Price Alerts can be enabled 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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