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R20 207+ Cheap flights to San Juan

— SJU
Sep 25 — Oct 21
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

Wed 30/919:25 -
2 stops29h 25m
Mon 5/1012:21 -
2 stops36h 39m
Deal found 25/8R91 323
Wed 30/919:25 -
2 stops26h 00m
Sun 4/1016:38 -
2 stops56h 22m
Deal found 25/8R91 419
Tue 29/921:15 -
2 stops51h 35m
Mon 5/1012:21 -
2 stops36h 39m
Deal found 25/8R91 498
Thu 1/1019:25 -
2 stops29h 25m
Mon 5/1012:21 -
2 stops36h 39m
Deal found 25/8R102 153
Wed 30/919:25 -
2 stops26h 00m
Sat 3/1020:30 -
2 stops54h 55m
Deal found 25/8R106 993
Tue 29/921:15 -
2 stops48h 10m
Sat 3/1020:30 -
2 stops54h 55m
Deal found 25/8R107 169
Tue 29/919:00 -
2 stops31h 38m
Mon 5/1018:45 -
1 stop41h 45m
Deal found 25/8R108 830
Wed 30/919:00 -
2 stops31h 38m
Mon 5/1018:45 -
1 stop41h 45m
Deal found 25/8R109 022
Tue 29/918:55 -
1 stop26h 30m
Sun 4/1017:15 -
2 stops45h 20m
Deal found 25/8R123 079
Thu 1/1018:55 -
1 stop27h 05m
Sun 4/1017:15 -
2 stops45h 20m
Deal found 25/8R123 558
Tue 29/919:00 -
2 stops31h 38m
Sun 4/107:00 -
2 stops29h 30m
Deal found 25/8R126 513
Tue 29/919:00 -
2 stops31h 38m
Sat 3/1018:45 -
1 stop41h 45m
Deal found 25/8R126 737

Find flight deals to San Juan

Return from

R20 175

Popular in

May

Cheapest in

January

Average price

R19 041
Turkish Airlines
  • Turkish Airlines
  • 24/1-28/1
  • 4 total stops
  • 79h 29m total
  • Johannesburg to San Juan
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (R4 937 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (R2 009 potential savings vs. average return price).
Search Deals
Average for return flights in August 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 stops37h 35m

San Juan Luis Munoz Marin Intl

Thu 28/1

11:06-11:00

2 stops41h 54m

R20 207
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 526

JohannesburgSan Juan

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

JNBSJU

Johannesburg OR Tambo

Wed 30/9

19:25-18:50

2 stops29h 25m

San Juan Luis Munoz Marin Intl

Mon 5/10

12:21-7:00

2 stops36h 39m

R91 323

JohannesburgSan Juan

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

JNBSJU

Johannesburg OR Tambo

Thu 1/10

19:25-18:50

2 stops29h 25m

San Juan Luis Munoz Marin Intl

Mon 5/10

12:21-7:00

2 stops36h 39m

R102 153

Flights are sorted by cheapest return flights first.

Deals found on 25/8

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 686
KLM
KLM
From R14 964

What are the cheapest airlines that fly to San Juan?

The cheapest airlines flying from Johannesburg to San Juan are United Airlines and KLM.

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
1 565 reviews
Check prices

Comfort

7,7

Boarding

7,8

Crew

8,4

Food

7,3

Entertainment

7,2

Overall

7,8

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
1 565 reviews
KLM
7,8
Good
1 565 reviews
Check prices

Comfort

7,7

Boarding

7,8

Crew

8,4

Food

7,3

Entertainment

7,2

Overall

7,8

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
10 126 reviews
KLM
7,8
Good
1 565 reviews
Check prices

Comfort

7,7

Boarding

7,8

Crew

8,4

Food

7,3

Entertainment

7,2

Overall

7,8

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.

  • How much is a return flight to San Juan?

    A return flight to San Juan will typically cost around R6 182, however they can be found for as little as R1 822.

  • 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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