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R18 335+ Cheap flights to Puerto Rico

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
— SJU
Jul 6 — Jul 131
1 adult
1 adult, Economy, 0 bags

Flights to Puerto Rico in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Puerto Rico
Explore the most affordable flight options available to Puerto Rico. Find the lowest fares based on data from user searches, with prices last updated on 6 June 2026.

Sun 20/922:00
JNB
-
SJU
2 stops47h 12m
United Airlines
Sat 10/1016:55
SJU
-
JNB
2 stops43h 35m
United Airlines
Deal found 4/6R18 335
Wed 16/923:15
JNB
-
SJU
2 stops30h 29m
KLM
Wed 7/107:00
SJU
-
JNB
2 stops32h 20m
KLM
Deal found 4/6R19 582
Thu 17/918:55
JNB
-
SJU
2 stops47h 18m
Multiple Airlines
Thu 8/1013:06
SJU
-
JNB
2 stops38h 44m
Multiple Airlines
Deal found 4/6R20 090
Thu 17/922:00
JNB
-
SJU
1 stop31h 50m
United Airlines
Wed 7/1018:45
SJU
-
JNB
1 stop41h 45m
United Airlines
Deal found 4/6R20 139
Tue 15/922:00
JNB
-
SJU
1 stop31h 50m
United Airlines
Thu 8/107:00
SJU
-
JNB
2 stops29h 30m
United Airlines
Deal found 4/6R21 927
Fri 18/915:05
JNB
-
SJU
2 stops27h 29m
United Airlines
Thu 8/1013:25
SJU
-
JNB
1 stop23h 05m
United Airlines
Deal found 4/6R22 108

Find flight deals to Puerto Rico

Find the latest flights to Puerto Rico 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 6 June 2026.

Return from

R18 335

Popular in

July

Cheapest in

June

Average price

R15 482
United Airlines
  • United Airlines
  • 20/9-11/10
  • 3 total stops
  • 61h 20m total
  • Johannesburg to San Juan
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (R1 858 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (R544 potential savings vs. average return price).
Search Deals
Average for return flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Puerto Rico 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 6 June 2026.
Use the filters below to find and compare flights to Puerto Rico that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Sun 20/9

22:00-23:50

1 stop31h 50m

San Juan Luis Munoz Marin Intl

Fri 9/10

1:00-18:30

1 stop35h 30m

R18 335

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Thu 17/9

23:15-23:44

2 stops30h 29m

San Juan Luis Munoz Marin Intl

Wed 7/10

13:32-21:20

2 stops25h 48m

R19 582

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Thu 17/9

22:00-23:50

1 stop31h 50m

San Juan Luis Munoz Marin Intl

Wed 7/10

18:45-18:30

1 stop41h 45m

R20 139

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Sat 19/9

14:45-22:42

2 stops37h 57m

San Juan Luis Munoz Marin Intl

Fri 9/10

19:00-15:20

2 stops38h 20m

R23 387
Fastest return journey

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Sat 19/9

22:00-13:45

1 stop21h 45m

San Juan Luis Munoz Marin Intl

Tue 6/10

13:25-18:30

1 stop23h 05m

R23 862

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Thu 17/9

14:45-22:42

2 stops37h 57m

San Juan Luis Munoz Marin Intl

Tue 6/10

13:00-15:20

2 stops44h 20m

R26 503

Flights are sorted by cheapest return flights first.

Deals found on 4/6

Sorted by cheapest first

Best time to book a flight to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico

How long is the flight to Puerto Rico?

On average, a flight from Johannesburg to Puerto Rico takes 47 hours 18 minutes. Flights to Puerto Rico 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 Puerto Rico?

The most popular airlines flying from Johannesburg to Puerto Rico are KLM, United Airlines and British Airways.

KLM
KLM
From R10 910
United Airlines
United Airlines
From R15 078
British Airways
British Airways
From R16 327

What are the cheapest airlines that fly to Puerto Rico?

The cheapest airlines flying from Johannesburg to Puerto Rico are United Airlines, KLM and British Airways.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico 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 Puerto Rico when rainfall is around 55.0 mm.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, 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 Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated 6 June 2026.
Read through reviews of airlines serving Puerto Rico, such as KLM,United Airlines, andBritish Airways. 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
1 527 reviews
Check prices

Comfort

7,7

Crew

8,4

Boarding

7,8

Food

7,3

Overall

7,8

Entertainment

7,2

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
1 527 reviews
KLM
7,8
Good
1 527 reviews
Check prices

Comfort

7,7

Crew

8,4

Boarding

7,8

Food

7,3

Overall

7,8

Entertainment

7,2

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
9 779 reviews
KLM
7,8
Good
1 527 reviews
Check prices

Comfort

7,7

Crew

8,4

Boarding

7,8

Food

7,3

Overall

7,8

Entertainment

7,2

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6,7
Okay
8 028 reviews
KLM
7,8
Good
1 527 reviews
Check prices

Comfort

7,7

Crew

8,4

Boarding

7,8

Food

7,3

Overall

7,8

Entertainment

7,2

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 Puerto Rico

  • Can I find cheaper flights to Puerto Rico 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 Puerto Rico on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Puerto Rico?

    Based on reviews from Cheapflights users, KLM is rated the highest out of the airlines that fly to Puerto Rico.

  • 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

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Find flights to Puerto Rico

Select your preferred flight destination in Puerto Rico from the list below.
Flights to Luis Munoz Marin Intl
Flights to San Juan

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How does Cheapflights help users find flights to Puerto Rico?

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Why should you use Cheapflights to find cheap flight tickets to Puerto Rico?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Puerto Rico for you. Better yet — we are completely free to use.

Can Cheapflights find flights to Puerto Rico with no change fees?

Certainly. Search results for flights to Puerto Rico 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 Puerto Rico become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Puerto Rico today and book when you’re ready!

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