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Flights to San Juan

R21 598 Cheap flights to San Juan

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to San Juan departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from South Africa to San Juan

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:50 - 23:58
JNB
-
SJU
44h 08m
2 stops
Multiple Airlines Logo
6:12 - 8:20
SJU
-
JNB
44h 08m
2 stops
R21 598Multiple Airlines
Sun, Oct 4 - Fri, Oct 9
Etihad Airways Logo
9:50 - 1:55
JNB
-
SJU
46h 05m
2 stops
Etihad Airways Logo
6:00 - 8:20
SJU
-
JNB
44h 20m
2 stops
R22 342Etihad Airways
Wed, Jul 15 - Wed, Jul 22
Multiple Airlines Logo
19:50 - 9:13
JNB
-
SJU
43h 23m
2 stops
Multiple Airlines Logo
12:00 - 10:30
SJU
-
JNB
40h 30m
2 stops
R24 376Multiple Airlines
Tue, May 5 - Fri, May 8
Delta Logo
21:55 - 22:00
JNB
-
SJU
30h 05m
1 stop
Delta Logo
12:46 - 19:40
SJU
-
JNB
24h 54m
1 stop
R33 340Delta
Sun, Oct 4 - Fri, Oct 9
United Airlines Logo
22:00 - 13:45
JNB
-
SJU
21h 45m
1 stop
United Airlines Logo
7:00 - 18:30
SJU
-
JNB
29h 30m
2 stops
R34 497United Airlines
Sun, Oct 4 - Fri, Oct 9
Multiple Airlines Logo
14:50 - 17:10
JNB
-
SJU
32h 20m
2 stops
Multiple Airlines Logo
18:35 - 11:00
SJU
-
JNB
34h 25m
3 stops
R36 217Multiple Airlines
Tue, May 5 - Fri, May 8
Virgin Atlantic Logo
20:25 - 22:29
JNB
-
SJU
32h 04m
2 stops
Virgin Atlantic Logo
14:42 - 19:40
SJU
-
JNB
22h 58m
1 stop
R36 978Virgin Atlantic
Wed, Jul 15 - Wed, Jul 22
Multiple Airlines Logo
22:50 - 2:20
JNB
-
SJU
33h 30m
3 stops
Multiple Airlines Logo
19:25 - 3:55
SJU
-
JNB
50h 30m
3 stops
R37 656Multiple Airlines
Wed, Jul 15 - Wed, Jul 22
Multiple Airlines Logo
6:05 - 14:34
JNB
-
SJU
38h 29m
3 stops
Multiple Airlines Logo
18:35 - 11:00
SJU
-
JNB
34h 25m
3 stops
R38 929Multiple Airlines
Tue, May 5 - Fri, May 8
Multiple Airlines Logo
12:40 - 15:25
JNB
-
SJU
32h 45m
2 stops
Multiple Airlines Logo
19:25 - 3:55
SJU
-
JNB
50h 30m
3 stops
R39 161Multiple Airlines
Wed, Jul 15 - Wed, Jul 22

momondo Fare Finder

 
Locate flights to San Juan that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13 550 searches and data was last updated on 23 April 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

Sun 4/10

9:50-23:58

2 stops44h 08m

San Juan Luis Munoz Marin Intl

Fri 9/10

6:12-8:20

2 stops44h 08m

R21 598

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Wed 15/7

9:50-1:55

2 stops46h 05m

San Juan Luis Munoz Marin Intl

Wed 22/7

6:00-8:20

2 stops44h 20m

R22 342

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Tue 5/5

19:50-9:13

2 stops43h 23m

San Juan Luis Munoz Marin Intl

Fri 8/5

12:00-10:30

2 stops40h 30m

R24 376

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Sun 4/10

21:55-22:00

1 stop30h 05m

San Juan Luis Munoz Marin Intl

Fri 9/10

12:46-19:40

1 stop24h 54m

R33 340
Fastest return journey

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Sun 4/10

22:00-13:45

1 stop21h 45m

San Juan Luis Munoz Marin Intl

Fri 9/10

7:00-18:30

2 stops29h 30m

R34 497

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Tue 5/5

14:50-17:10

2 stops32h 20m

San Juan Luis Munoz Marin Intl

Fri 8/5

18:35-11:00

3 stops34h 25m

R36 217

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Wed 15/7

20:25-22:29

2 stops32h 04m

San Juan Luis Munoz Marin Intl

Wed 22/7

14:42-19:40

1 stop22h 58m

R36 978

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Wed 15/7

22:50-2:20

3 stops33h 30m

San Juan Luis Munoz Marin Intl

Wed 22/7

19:25-3:55

3 stops50h 30m

R37 656

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Tue 5/5

6:05-14:34

3 stops38h 29m

San Juan Luis Munoz Marin Intl

Fri 8/5

18:35-11:00

3 stops34h 25m

R38 929

JohannesburgSan Juan

JNB - SJU

JNBSJU

Johannesburg OR Tambo

Wed 15/7

12:40-15:25

2 stops32h 45m

San Juan Luis Munoz Marin Intl

Wed 22/7

19:25-3:55

3 stops50h 30m

R39 161

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to San Juan from

San Juan flights insights and trends

Explore insights for your San Juan flight to craft the best travel plan

What is the cheapest month to fly to San Juan?

In general, September is the cheapest month to fly from South Africa to San Juan. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R15 793. If you aren’t able to travel to San Juan during the month of September, then flying in June is also cheap. Prices for this month can be found on momondo for an average of R16 289.

Cheapest flights to San Juan

Find the cheapest flights to San Juan from your nearest city or airport
Find flights from Johannesburg OR Tambo Airport to San Juan Luis Munoz Marin Intl Airport
CHEAPEST MONTH TO FLY TO SAN JUAN FROM JOHANNESBURG OR TAMBO AIRPORTSeptember14% cheaperFlying from Johannesburg OR Tambo Airport to San Juan costs on average just R15 793 in September
MOST EXPENSIVE MONTH TO FLY TO SAN JUAN FROM JOHANNESBURG OR TAMBO AIRPORTDecember21% more expensiveIt costs about R22 160 for flights to San Juan from Johannesburg OR Tambo Airport in December
MOST POPULAR MONTH TO FLY TO SAN JUAN FROM JOHANNESBURG OR TAMBO AIRPORTSeptember866% more users visitedMore momondo users searched in flights to San Juan from Johannesburg OR Tambo Airport in September than any other month

Cheap San Juan flight deals and tips

Summary info about San Juan flight prices, duration and airlines

Best Round-Trip Price

R21 598

Fastest flight time

44h 08m

Popular in

March
The best round-trip flight price to San Juan from South Africa in the last 72 hours is R21 598 (Johannesburg OR Tambo to San Juan Luis Munoz Marin Intl).
Search Deals
The fastest flight to San Juan from South Africa takes 44h 08m (Johannesburg OR Tambo to San Juan Luis Munoz Marin Intl).
Search Deals
March has the highest demand for flights to San Juan, with a 18% price increase on average.
Search Deals

Frequently asked questions about flying to San Juan

Is there an alternative airport near San Juan?

San Juan Isla Grande Airport, Ceiba J. Aponte de la Torre Airport, Ponce Mercedita Airport, Vieques Airport or Culebra Airport can be an alternative airport used for travel to San Juan.

Are there flights to Santurce?

Yes, if you fly to San Juan Luis Munoz Marin Intl in San Juan which is the closest available airport to Santurce (5,2 km away).

How long does it take to fly to San Juan?

The average flight duration from South Africa to San Juan depends on which airport you fly into and out of. Flying from Johannesburg OR Tambo to San Juan Luis Munoz Marin Intl is 43h 23m on average, while flying from Cape Town Intl to San Juan Luis Munoz Marin Intl is on average. San Juan Luis Munoz Marin Intl is the most popular airport in San Juan.

When did momondo last update prices for flights to San Juan?

Prices for flights to San Juan were last updated today.

How many operators does momondo search for flights to San Juan?

The number of operators available for flights to San Juan is 3 as of April 2026.

How old do you have to be to fly to San Juan?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to San Juan.

What documentation or ID do you need to fly to San Juan?

The required travel and health documents for your San Juan trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at San Juan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to San Juan?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to San Juan. Millions of users trust and use momondo every year so you are in good company.

Can I find flights to San Juan with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Juan which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to San Juan?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to San Juan.

I’m not ready to book a flight to San Juan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular Flights to San Juan

Popular routes according to searches in the past day on momondo
Johannesburg to San Juan Flightsfrom R1 306