Cheap flights from Singapore to San Juan from S$ 1,517

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10-9. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SJU
3 Aug — 10 Aug1
1 adult

Cheap flight deals from Singapore to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 July 2025.

Round-trip from

S$ 1,517
United Airlines
  • United Airlines
  • 10-9-17-9
  • 4 total stops
  • 76h 30m total
  • Singapore to San Juan

Find flight deals from Singapore to San Juan

Cheapest flights from Singapore to San Juan
Explore the most affordable flight options available from Singapore to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Wed 10-920:40SIN - SJU
2 stops29h 05mUnited Airlines
Tue 16-901:05SJU - SIN
2 stops41h 10mUnited Airlines
Deal found 27-7S$ 1,517

Cheapflights Fare Finder

 
Customise your flight search to find flights from Singapore to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 29 July 2025.
Use the filters below to find and compare flights from Singapore to San Juan that are best for you.

Fly from

Singapore

Fly to

San Juan

Route

Depart

Return

Price

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Wed 10-9

20:40-13:45

2 stops29h 05m

San Juan Luis Munoz Marin Intl

Wed 17-9

07:00-18:25

2 stops47h 25m

S$ 1,517

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Sat 6-12

06:35-18:25

3 stops47h 50m

S$ 4,935

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Fri 5-12

02:00-03:49

2 stops37h 49m

S$ 6,869

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Fri 5-12

01:40-22:25

2 stops32h 45m

S$ 7,643

SingaporeSan Juan

SIN - SJU

SINSJU

Singapore Changi

Fri 5-12

02:20-21:05

3 stops30h 45m

S$ 17,532

Flights are sorted by cheapest return flights first.

Deals found on 29-7

Best time to book a flight from Singapore to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Singapore 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 from Singapore to San Juan
No data available for this route at this time. Please check back soon.

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 29 July 2025.
See what other customers who have flown with KLM, Qatar Airways, andUnited Airlines from Singapore to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Singapore to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Singapore to San Juan?

    Located just 16.9 km from the city centre, Singapore Changi is the airport most travellers will use when flying to San Juan from Singapore. Booking flights from Changi (SIN) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 0 different airlines.

  • What is the cheapest airline to fly from Singapore to San Juan round-trip?

    Our cheapest airline available from Singapore to San Juan is United Airlines. Our recent data shows that you can find tickets from as low as S$ 1,517 on this airline.

  • What are the cheapest airlines to fly from Singapore to San Juan one-way?

    One-way options have recently been found by users for as low as S$ 4,935 on United Airlines. Other airlines that offer cheap prices include Qatar Airways from S$ 6,869 and KLM from S$ 7,643 one-way.

  • Can I find deals for flights from Singapore to San Juan that include hotel bookings?

    Yes. In addition to deals on Singapore to San Juan flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Singapore to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to San Juan.

  • Can I find deals for business class flights from Singapore to San Juan?

    Yes. Cheapflights offers flight deals from Singapore to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Singapore to San Juan

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How does Cheapflights help users find flights from Singapore to San Juan?

Deals for Singapore to San Juan flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Singapore to San Juan?

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

Can Cheapflights find flights from Singapore to San Juan with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Singapore to San Juan, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Singapore to San Juan become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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