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S$ 1,739+ Cheap flights to San Juan

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25-5. Fares are subject to change and may not be available on all flights or dates of travel.
— SJU
16 May — 23 May1
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 16 April 2026.

Mon 25-501:05
SIN
-
SJU
2 stops30h 00m
Multiple Airlines
Tue 2-620:40
SJU
-
SIN
2 stops31h 35m
Multiple Airlines
Deal found 11-4S$ 1,739
Tue 22-920:35
SIN
-
SJU
2 stops56h 55m
United Airlines
Thu 24-901:05
SJU
-
SIN
2 stops29h 30m
United Airlines
Deal found 15-4S$ 1,762
Thu 30-401:05
SIN
-
SJU
2 stops30h 00m
Qatar Airways
Tue 5-517:25
SJU
-
SIN
2 stops34h 50m
Qatar Airways
Deal found 13-4S$ 1,921
Thu 2-720:35
SIN
-
SJU
2 stops36h 49m
United Airlines
Sun 5-713:40
SJU
-
SIN
2 stops40h 55m
United Airlines
Deal found 11-4S$ 2,032
Thu 2-719:40
SIN
-
SJU
2 stops35h 10m
Qatar Airways
Sun 5-708:30
SJU
-
SIN
2 stops36h 20m
Qatar Airways
Deal found 12-4S$ 2,213
Fri 1-506:15
SIN
-
SJU
3 stops47h 23m
United Airlines
Mon 4-501:00
SJU
-
SIN
2 stops29h 35m
United Airlines
Deal found 13-4S$ 2,431

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 200,618 searches and data was last updated on 16 April 2026.

Return from

S$ 1,739
Qatar Airways
  • Qatar Airways
  • 25-5-2-6
  • 4 total stops
  • 61h 35m total
  • Singapore to San Juan
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 200,618 searches and data was last updated on 16 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

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Mon 25-5

01:05-19:05

2 stops30h 00m

San Juan Luis Munoz Marin Intl

Tue 2-6

20:40-16:15

2 stops31h 35m

S$ 1,739

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Tue 22-9

20:35-17:30

2 stops56h 55m

San Juan Luis Munoz Marin Intl

Thu 24-9

01:05-18:35

2 stops29h 30m

S$ 1,762

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Thu 30-4

01:05-19:05

2 stops30h 00m

San Juan Luis Munoz Marin Intl

Tue 5-5

17:25-16:15

2 stops34h 50m

S$ 1,921

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Thu 2-7

20:35-21:24

2 stops36h 49m

San Juan Luis Munoz Marin Intl

Sun 5-7

13:40-18:35

2 stops40h 55m

S$ 2,032

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Fri 1-5

06:15-17:38

3 stops47h 23m

San Juan Luis Munoz Marin Intl

Mon 4-5

01:00-18:35

2 stops29h 35m

S$ 2,431

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Mon 8-6

08:45-12:34

2 stops39h 49m

San Juan Luis Munoz Marin Intl

Mon 22-6

07:40-06:15

2 stops34h 35m

S$ 7,845

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Mon 8-6

19:40-15:55

2 stops32h 15m

San Juan Luis Munoz Marin Intl

Mon 22-6

18:35-17:55

3 stops59h 20m

S$ 10,807
Fastest return journey

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Sat 6-6

01:55-18:25

3 stops28h 30m

San Juan Luis Munoz Marin Intl

Wed 10-6

05:30-00:20

2 stops30h 50m

S$ 26,084

Flights are sorted by cheapest return flights first.

Deals found on 11-4

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 Singapore to San Juan takes 32 hours 15 minutes. Flights to San Juan from other popular cities in Singapore will vary in length. Below are a few examples of popular routes and their flight times.

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).

FAQs about flying to San Juan

San Juan climate

The climate is tropical with summer temperatures in the 18-35 degree range. Thunderstorms are likely between April and November and hurricane season runs June to November. Further inland, temperatures drop a couple of degrees.

Getting around San Juan

Buses run in some areas, but not all. There are taxis, but you’ll have to negotiate a price with the driver based on your destination. Rental cars are available as well, but make sure you have your ID handy. Some streets are not as well marked as others. 

What is good to know if travelling to San Juan?

  • One venue for Puerto Rico’s Latino chic is surprising — the Museo de Arte. Some Puerto Ricans come to the art museum at least once a week, and not just for its fine collection of Puerto Rican art. They also come for productions in the 400-seat theatre. And trendy locals can be seen strolling the museum’s lovely five-acre garden. 
  • San Juan has done a great job of adapting old buildings to new uses. La Princesa, for centuries one of the most feared prisons in the Caribbean, now houses the Puerto Rico Tourism Company. It features an exhibit of art by Puerto Ricans, which is free to the public.
  • Another example of reuse is the 19th-century insane asylum, the Antiguo Manicomio Insular, which is now the home of the Puerto Rican Academy of Fine Arts, with its lovely courtyard fountains surrounded by elegant iron fences.

  • When is the best time to fly to San Juan?

    Peak season: Mid-December to mid-April is the busiest — and most expensive — time of the year. Throughout the island, but especially in San Juan, prices are considerably higher during this period. Off season: Summer and autumn are quieter and less expensive times to take cheap flights to San Juan. And there are two annual events for music lovers. The Pablo Casals Festival takes place in early June. The Festival of Puerto Rican Music is held in November, with venues in both San Juan and elsewhere on the island.

  • 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.

  • How much is a return flight to San Juan?

    A return flight to San Juan will typically cost around S$ 202, however they can be found for as little as S$ 202.

  • Does San Juan Luis Munoz Marin Intl have rental cars?

    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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