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Cheap flights from Johannesburg to San Juan from R18 076

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
JNB — SJU
Mar 11 — Mar 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 9 February 2026.

Thu 10/917:50
JNB
-
SJU
2 stops52h 16m
Multiple Airlines
Thu 17/96:00
SJU
-
JNB
2 stops46h 30m
Multiple Airlines
Deal found 8/2R18 076
Tue 24/319:20
JNB
-
SJU
2 stops34h 39m
KLM
Tue 31/317:30
SJU
-
JNB
2 stops45h 50m
KLM
Deal found 7/2R19 374
Mon 2/1122:00
JNB
-
SJU
2 stops28h 00m
British Airways
Fri 6/1118:10
SJU
-
JNB
2 stops55h 25m
British Airways
Deal found 7/2R24 037
Thu 10/915:05
JNB
-
SJU
2 stops26h 52m
United Airlines
Thu 17/914:55
SJU
-
JNB
1 stop21h 35m
United Airlines
Deal found 8/2R25 896
Mon 2/1122:00
JNB
-
SJU
1 stop22h 40m
United Airlines
Fri 6/117:45
SJU
-
JNB
2 stops28h 50m
United Airlines
Deal found 5/2R28 732
Tue 24/321:55
JNB
-
SJU
1 stop28h 23m
Delta
Tue 31/314:44
SJU
-
JNB
1 stop22h 56m
Delta
Deal found 7/2R36 104

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 9 February 2026.

Round-trip from

R19 374

Popular in

December

Cheapest in

June

Average price

R15 977
KLM
  • KLM
  • 24/3-31/3
  • 4 total stops
  • 80h 29m total
  • Johannesburg to San Juan
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (R21 918 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (R8 080 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 9 February 2026.
Use the filters below to find and compare flights from Johannesburg to San Juan that are best for you.

Fly from

Johannesburg

Fly to

San Juan

Route

Depart

Return

Price

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Tue 24/3

19:20-23:59

2 stops34h 39m

San Juan Luis Munoz Marin Intl

Tue 31/3

17:30-21:20

2 stops45h 50m

R19 374

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Tue 24/3

21:55-20:18

1 stop28h 23m

San Juan Luis Munoz Marin Intl

Tue 31/3

14:44-19:40

1 stop22h 56m

R36 104

Flights are sorted by cheapest return flights first.

Deals found on 7/2

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, February is the cheapest month in which you can book a flight from Johannesburg to San Juan (average of R14 599). Flying from Johannesburg to San Juan in July is currently the most expensive (average of R20 271). 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.

How much does it cost for a return flight from Johannesburg to San Juan?

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 9 February 2026.
Read reviews from past customers who have flown with KLM, United Airlines, andBritish Airways 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
7,7
Good
1 450 reviews
Check prices

Entertainment

7,1

Boarding

7,8

Food

7,3

Overall

7,7

Crew

8,4

Comfort

7,6

Reviews

1 / 20
10,0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7,7
Good
1 450 reviews
KLM
7,7
Good
1 450 reviews
Check prices

Entertainment

7,1

Boarding

7,8

Food

7,3

Overall

7,7

Crew

8,4

Comfort

7,6

Reviews

1 / 20
10,0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7,4
Good
9 259 reviews
KLM
7,7
Good
1 450 reviews
Check prices

Entertainment

7,1

Boarding

7,8

Food

7,3

Overall

7,7

Crew

8,4

Comfort

7,6

Reviews

1 / 20
10,0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6,7
Okay
7 721 reviews
KLM
7,7
Good
1 450 reviews
Check prices

Entertainment

7,1

Boarding

7,8

Food

7,3

Overall

7,7

Crew

8,4

Comfort

7,6

Reviews

1 / 20
10,0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 28h 23m. KLM provides one of the quickest options available for as low as R36 104. 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, KLM (R14 647), United Airlines (R14 875), and British Airways (R16 449) offers the cheapest pricing from Johannesburg to San Juan. These flights start at 19% 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, February is the cheapest month in which you can book a flight from Johannesburg to San Juan (average of R14 599). Flying from Johannesburg to San Juan in July is currently the most expensive (average of R20 271). 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 3 airlines flying from Johannesburg to San Juan

Discover the top 3 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 9 February 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapestR14 647AverageR16 021FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapestR14 875AverageR19 549FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapestR16 449AverageR19 413FlexibilityNo cancel feeOn-time70%
Search British Airways 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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