R12 224+ Cheap flights to San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
— SJU
Apr 6 — Apr 131
1 adult
1 adult, Economy, 0 bags

Flights to San Juan in 2026

Enter your travel dates to find the best prices.

Cheapest flights to San Juan
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 7 March 2026.

Thu 16/421:55
JNB
-
SJU
1 stop31h 17m
Delta
Thu 23/47:30
SJU
-
JNB
1 stop30h 10m
Delta
Deal found 2/3R19 681
Sun 1/1121:25
JNB
-
SJU
2 stops45h 31m
Virgin Atlantic
Sat 7/1114:06
SJU
-
JNB
2 stops36h 34m
Virgin Atlantic
Deal found 6/3R20 794
Thu 16/418:00
JNB
-
SJU
2 stops35h 12m
KLM
Thu 23/47:30
SJU
-
JNB
2 stops31h 50m
KLM
Deal found 2/3R21 525
Thu 16/422:00
JNB
-
SJU
1 stop21h 45m
United Airlines
Thu 23/47:00
SJU
-
JNB
2 stops29h 30m
United Airlines
Deal found 2/3R22 787
Thu 16/422:50
JNB
-
SJU
3 stops54h 43m
Multiple Airlines
Thu 23/45:30
SJU
-
JNB
3 stops40h 25m
Multiple Airlines
Deal found 2/3R22 820
Sun 1/1121:55
JNB
-
SJU
1 stop22h 26m
Delta
Sat 7/1115:31
SJU
-
JNB
1 stop21h 29m
Delta
Deal found 6/3R23 534
Tue 3/1122:00
JNB
-
SJU
2 stops48h 40m
British Airways
Sat 7/1118:42
SJU
-
JNB
2 stops30h 53m
British Airways
Deal found 3/3R25 644
Mon 16/1122:00
JNB
-
SJU
2 stops28h 00m
British Airways
Fri 20/1114:41
SJU
-
JNB
2 stops34h 54m
British Airways
Deal found 5/3R27 205
Tue 3/1122:00
JNB
-
SJU
2 stops29h 00m
United Airlines
Sat 7/1114:20
SJU
-
JNB
1 stop22h 15m
United Airlines
Deal found 3/3R29 580

Find flight deals to San Juan

Find the latest flights to San Juan in 2026, 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 7 March 2026.

Return from

R19 681

One-way from

R12 224

Popular in

December

Cheapest in

June

Average price

R16 177
Delta
  • Delta
  • 16/4-23/4
  • 2 total stops
  • 61h 27m total
  • Johannesburg to San Juan
19/3
  • 19/3
  • 3 total stops
  • 58h 34m total
  • Johannesburg to San Juan
Highest demand for flights based on searches. 7% potential increase in price (R1 459 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (R527 potential savings vs. average return price).
Average for return flights in March 2026

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 7 March 2026.
Use the filters below to find and compare flights to San Juan that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Thu 16/4

21:55-23:12

1 stop31h 17m

San Juan Luis Munoz Marin Intl

Thu 23/4

7:30-19:40

1 stop30h 10m

R19 681

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Thu 16/4

18:00-23:12

2 stops35h 12m

San Juan Luis Munoz Marin Intl

Thu 23/4

7:30-21:20

2 stops31h 50m

R21 525
Fastest return journey

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Thu 16/4

22:00-13:45

1 stop21h 45m

San Juan Luis Munoz Marin Intl

Thu 23/4

7:00-18:30

2 stops29h 30m

R22 787

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Thu 16/4

22:50-23:33

3 stops54h 43m

San Juan Luis Munoz Marin Intl

Thu 23/4

6:45-15:50

2 stops51h 05m

R30 477
Cheapest one-way
Fastest single journey

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Thu 19/3

17:00-21:34

3 stops58h 34m

R12 224

Flights are sorted by cheapest return flights first.

Deals found on 2/3

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
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 to San Juan

How long is the flight to San Juan?

On average, a flight from Johannesburg to San Juan takes 31 hours 17 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 cheapest airlines that fly to San Juan?

The cheapest airlines flying from Johannesburg to San Juan are KLM, United Airlines 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 7 March 2026.
Read reviews from past customers who have flown KLM, 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.

Crew

8,4

Food

7,3

Boarding

7,8

Comfort

7,6

Entertainment

7,1

Overall

7,8

Reviews

1 / 20
2,0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8,4

Food

7,3

Boarding

7,8

Comfort

7,6

Entertainment

7,1

Overall

7,8

Reviews

1 / 20
2,0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8,4

Food

7,3

Boarding

7,8

Comfort

7,6

Entertainment

7,1

Overall

7,8

Reviews

1 / 20
2,0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8,4

Food

7,3

Boarding

7,8

Comfort

7,6

Entertainment

7,1

Overall

7,8

Reviews

1 / 20
2,0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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, KLM 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

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Airports serving San Juan

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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!

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