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Cheap flights from Puerto Rico to Singapore from S$ 834

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8-12. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SIN
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Find flight deals from Puerto Rico to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from Puerto Rico to Singapore
Explore the most affordable flight options available from Puerto Rico to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.

Wed 5-1108:30SJU - SIN
2 stops35h 30mUnited Airlines
Wed 12-1122:20SIN - SJU
2 stops36h 02mUnited Airlines
Deal found 20-10S$ 1,525
Sat 1-1107:30SJU - SIN
2 stops48h 45mUnited Airlines
Sun 9-1122:20SIN - SJU
2 stops26h 57mUnited Airlines
Deal found 21-10S$ 1,654
Sun 26-1014:46SJU - SIN
2 stops41h 29mUnited Airlines
Sun 2-1110:45SIN - SJU
2 stops47h 37mUnited Airlines
Deal found 22-10S$ 1,667
Wed 5-1119:25SJU - SIN
2 stops47h 10mJapan Airlines
Tue 11-1102:20SIN - SJU
2 stops37h 28mJapan Airlines
Deal found 20-10S$ 1,686
Fri 21-1115:46SJU - SIN
2 stops40h 29mUnited Airlines
Mon 24-1122:20SIN - SJU
3 stops32h 05mUnited Airlines
Deal found 22-10S$ 1,701
Sat 22-1115:40SJU - SIN
2 stops51h 20mAir Canada
Sat 29-1108:50SIN - SJU
2 stops41h 50mAir Canada
Deal found 20-10S$ 1,784
Sat 1-1118:20SJU - SIN
2 stops38h 55mQatar Airways
Sat 8-1103:15SIN - SJU
2 stops30h 39mQatar Airways
Deal found 20-10S$ 1,817
Thu 20-1101:44SJU - SIN
2 stops31h 31mQatar Airways
Sun 23-1103:15SIN - SJU
2 stops34h 42mQatar Airways
Deal found 21-10S$ 2,141
Sat 1-1112:06SJU - SIN
2 stops33h 54mMultiple Airlines
Sun 9-1123:25SIN - SJU
3 stops35h 04mMultiple Airlines
Deal found 21-10S$ 2,224
Sat 25-1001:05SJU - SIN
2 stops41h 55mAir Canada
Sun 2-1108:50SIN - SJU
2 stops48h 10mAir Canada
Deal found 22-10S$ 2,226

Cheap flight deals from Puerto Rico to Singapore

Keep the following information in mind while searching for Puerto Rico to Singapore flight deals. Data was last updated 22 October 2025.

Round-trip from

S$ 1,525

One-way from

S$ 834

Popular in

December

Cheapest in

January

Average price

S$ 1,791
United Airlines
  • United Airlines
  • 5-11-12-11
  • 4 total stops
  • 71h 32m total
  • Puerto Rico to Singapore
Search Deals
8-12
  • 8-12
  • 2 total stops
  • 41h 40m total
  • Puerto Rico to Singapore
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (S$ 113 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (S$ 145 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Puerto Rico to Singapore 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 22 October 2025.
Use the filters below to find and compare flights from Puerto Rico to Singapore that are best for you.

Fly from

Puerto Rico

Fly to

Singapore

Route

Depart

Return

Price

San JuanSingapore

SJU - SIN

SJUSIN

San Juan Luis Munoz Marin Intl

Wed 5-11

08:30-08:00

2 stops35h 30m

Singapore Changi

Wed 12-11

22:20-22:22

2 stops36h 02m

S$ 1,525

San JuanSingapore

SJU - SIN

SJUSIN

San Juan Luis Munoz Marin Intl

Sun 18-1

17:50-20:15

2 stops38h 25m

Singapore Changi

Mon 2-2

22:20-22:22

2 stops36h 02m

S$ 1,525

San JuanSingapore

SJU - SIN

SJUSIN

San Juan Luis Munoz Marin Intl

Sat 1-11

15:52-20:15

2 stops40h 23m

Singapore Changi

Sun 9-11

22:20-14:40

2 stops28h 20m

S$ 1,654

AguadillaSingapore

BQN - SIN

BQNSIN

Aguadilla Borinquen

Wed 4-3

01:09-20:15

2 stops31h 06m

Singapore Changi

Mon 9-3

22:20-22:57

2 stops36h 37m

S$ 1,654

San JuanSingapore

SJU - SIN

SJUSIN

San Juan Luis Munoz Marin Intl

Thu 26-2

08:35-06:55

2 stops34h 20m

Singapore Changi

Mon 2-3

10:10-12:49

2 stops38h 39m

S$ 1,667

San JuanSingapore

SJU - SIN

SJUSIN

San Juan Luis Munoz Marin Intl

Wed 5-11

19:25-06:35

2 stops47h 10m

Singapore Changi

Tue 11-11

02:20-03:48

2 stops37h 28m

S$ 1,686

San JuanSingapore

SJU - SIN

SJUSIN

San Juan Luis Munoz Marin Intl

Fri 21-11

15:46-20:15

2 stops40h 29m

Singapore Changi

Mon 24-11

22:20-15:40

2 stops29h 20m

S$ 1,701

San JuanSingapore

SJU - SIN

SJUSIN

San Juan Luis Munoz Marin Intl

Fri 9-1

16:52-06:55

2 stops50h 03m

Singapore Changi

Fri 16-1

10:45-18:25

3 stops67h 40m

S$ 1,753

San JuanSingapore

SJU - SIN

SJUSIN

San Juan Luis Munoz Marin Intl

Thu 26-2

11:59-08:45

2 stops32h 46m

Singapore Changi

Sun 1-3

03:15-02:47

2 stops35h 32m

S$ 1,757

AguadillaSingapore

BQN - SIN

BQNSIN

Aguadilla Borinquen

Thu 5-3

21:59-08:45

2 stops46h 46m

Singapore Changi

Sun 8-3

03:15-01:07

2 stops33h 52m

S$ 2,029

Flights are sorted by cheapest return flights first.

Deals found on 22-10

Showing 1-10 of 15 results
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Best time to book a flight from Puerto Rico to Singapore

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

What is the cheapest month to book a flight from Puerto Rico to Singapore?

Currently, January is the cheapest month in which you can book a flight from Puerto Rico to Singapore (average of S$ 1,486). Flying from Puerto Rico to Singapore in April is currently the most expensive (average of S$ 2,541). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to Singapore. 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 into for flights to Singapore from Puerto Rico?

    Located just 16.9 km from the city centre, Singapore Changi (SIN) is the airport most travelers will use when flying to Singapore from Puerto Rico.

  • How long is the flight from Puerto Rico to Singapore?

    Airlines like United Airlines and Qatar Airways fly from Puerto Rico to Singapore in about 35h 30m. The time it takes to get you to your destination can typically vary by up to 11h 16m. There are 17545 km between Puerto Rico and Singapore. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Puerto Rico to Singapore that include hotel bookings?

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

  • How can I find direct flights from Puerto Rico to Singapore?

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

  • Can I find deals for business class flights from Puerto Rico to Singapore?

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

  • What is the cheapest month to book a flight from Puerto Rico to Singapore?

    Currently, January is the cheapest month in which you can book a flight from Puerto Rico to Singapore (average of S$ 1,486). Flying from Puerto Rico to Singapore in April is currently the most expensive (average of S$ 2,541). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Puerto Rico to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Port of Spain to Singapore flights
Puerto Plata to Singapore flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Puerto Rico to Singapore?

Deals for Puerto Rico to Singapore 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 Puerto Rico to Singapore?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Puerto Rico to Singapore.

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

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

Of course! You can now track prices for flights from Puerto Rico to Singapore and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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