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R11 139+ 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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
— SJU
Apr 27 — May 41
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 28 March 2026.

Sat 9/523:15
JNB
-
SJU
2 stops30h 20m
KLM
Sat 16/57:30
SJU
-
JNB
2 stops31h 50m
KLM
Deal found 25/3R19 815
Mon 21/99:50
JNB
-
SJU
2 stops37h 00m
Etihad Airways
Thu 24/96:00
SJU
-
JNB
2 stops44h 20m
Etihad Airways
Deal found 23/3R22 074
Sat 21/1122:00
JNB
-
SJU
2 stops28h 00m
British Airways
Wed 25/1114:41
SJU
-
JNB
2 stops34h 54m
British Airways
Deal found 27/3R25 051
Wed 22/414:45
JNB
-
SJU
2 stops31h 10m
Multiple Airlines
Sat 9/56:18
SJU
-
JNB
2 stops51h 52m
Multiple Airlines
Deal found 24/3R25 154
Sat 21/1115:05
JNB
-
SJU
2 stops27h 44m
United Airlines
Wed 25/1114:20
SJU
-
JNB
1 stop22h 15m
United Airlines
Deal found 26/3R33 607
Sat 9/514:45
JNB
-
SJU
3 stops38h 39m
Multiple Airlines
Fri 15/53:21
SJU
-
JNB
2 stops35h 59m
Multiple Airlines
Deal found 25/3R35 677

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 28 March 2026.

Return from

R19 815

One-way from

R11 139

Popular in

April

Cheapest in

March

Average price

R15 640
KLM
  • KLM
  • 9/5-16/5
  • 4 total stops
  • 62h 10m total
  • Johannesburg to San Juan
Search Deals
27/5
  • 27/5
  • 3 total stops
  • 46h 44m total
  • Johannesburg to San Juan
Search Deals
Highest demand for flights based on searches. 0% potential increase in price.
Search Deals
Cheapest flight prices on average. 2% potential price decrease (R391 potential savings vs. average return price).
Search Deals
Average for return flights in March 2026
Search Deals

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 28 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

Sat 9/5

23:15-23:35

2 stops30h 20m

San Juan Luis Munoz Marin Intl

Sat 16/5

7:30-21:20

2 stops31h 50m

R19 815

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Mon 21/9

9:50-16:50

2 stops37h 00m

San Juan Luis Munoz Marin Intl

Thu 24/9

6:00-8:20

2 stops44h 20m

R22 074

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Sat 9/5

14:45-23:24

3 stops38h 39m

San Juan Luis Munoz Marin Intl

Fri 15/5

3:21-21:20

2 stops35h 59m

R35 677

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Fri 8/5

22:00-13:45

1 stop21h 45m

San Juan Luis Munoz Marin Intl

Fri 15/5

7:40-18:30

2 stops28h 50m

R41 272
Fastest return journey

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Wed 22/4

21:55-20:24

1 stop28h 29m

San Juan Luis Munoz Marin Intl

Sat 9/5

17:43-19:40

1 stop19h 57m

R44 917

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Mon 21/9

22:00-13:45

1 stop21h 45m

San Juan Luis Munoz Marin Intl

Thu 24/9

7:00-18:30

2 stops29h 30m

R48 083

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Sat 9/5

21:55-22:17

1 stop30h 22m

San Juan Luis Munoz Marin Intl

Sat 16/5

14:48-19:40

1 stop22h 52m

R52 104
Cheapest one-way

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Wed 27/5

5:45-22:29

3 stops46h 44m

R11 139

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Wed 27/5

21:55-22:17

1 stop30h 22m

R28 507
Fastest single journey

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Wed 27/5

22:00-13:45

1 stop21h 45m

R43 155

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 30 hours 20 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.

KLM
KLM
From R11 383
United Airlines
United Airlines
From R15 823
British Airways
British Airways
From R17 564

What are the cheapest airlines that fly to San Juan?

The cheapest airlines flying from Johannesburg to San Juan are United Airlines, KLM 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 28 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.
KLM
7,8
Good
1 477 reviews
Check prices

Crew

8,4

Comfort

7,6

Food

7,3

Boarding

7,8

Overall

7,8

Entertainment

7,1

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
KLM
7,8
Good
1 477 reviews
KLM
7,8
Good
1 477 reviews
Check prices

Crew

8,4

Comfort

7,6

Food

7,3

Boarding

7,8

Overall

7,8

Entertainment

7,1

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
United Airlines
7,4
Good
9 501 reviews
KLM
7,8
Good
1 477 reviews
Check prices

Crew

8,4

Comfort

7,6

Food

7,3

Boarding

7,8

Overall

7,8

Entertainment

7,1

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
British Airways
6,7
Okay
7 825 reviews
KLM
7,8
Good
1 477 reviews
Check prices

Crew

8,4

Comfort

7,6

Food

7,3

Boarding

7,8

Overall

7,8

Entertainment

7,1

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

Book a flight to or from one of these San Juan airports.
Flights to Luis Munoz Marin Intl
Flights from Luis Munoz Marin Intl

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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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