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Cheap flights from Porto to Singapore from S$ 729

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9-5. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — SIN
13 May — 20 May1
1 adult

Cheap flight deals from Porto to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Singapore (SIN). 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 8 May 2025.

Round-trip from

S$ 1,028

One-way from

S$ 819

Popular in

July

Cheapest in

February

Average price

S$ 1,031
KLM
  • KLM
  • 21-6-27-6
  • 2 total stops
  • 66h 10m total
  • Porto to Singapore
30-8
  • 30-8
  • 2 total stops
  • 38h 10m total
  • Porto to Singapore
Highest demand for flights based on searches. 14% potential increase in price (S$ 243 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (S$ 40 potential savings vs. average return price).
Average for round-trip flights in May 2025

Find flight deals from Porto to Singapore

Cheapest flights from Porto to Singapore
Explore the most affordable flight options available from Porto to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 May 2025.

Fri 9-511:15OPO - SIN
1 stop21h 50mBritish Airways
Sat 24-523:20SIN - OPO
1 stop28h 15mBritish Airways
Deal found 7-5S$ 729
Sat 10-518:55OPO - SIN
1 stop37h 35mKLM
Mon 26-522:30SIN - OPO
2 stops26h 25mKLM
Deal found 7-5S$ 995
Thu 4-1211:25OPO - SIN
1 stop22h 25mMultiple Airlines
Tue 10-323:45SIN - OPO
1 stop21h 05mMultiple Airlines
Deal found 7-5S$ 1,024
Sun 22-610:45OPO - SIN
1 stop39h 00mTurkish Airlines
Sun 29-610:15SIN - OPO
1 stop30h 40mTurkish Airlines
Deal found 7-5S$ 1,135
Thu 4-1211:25OPO - SIN
1 stop22h 25mSWISS
Mon 9-300:05SIN - OPO
1 stop25h 25mSWISS
Deal found 7-5S$ 1,166
Thu 4-1212:05OPO - SIN
2 stops20h 55mLufthansa
Tue 10-323:45SIN - OPO
2 stops19h 55mLufthansa
Deal found 7-5S$ 1,174
Tue 8-716:35OPO - SIN
2 stops21h 25mQatar Airways
Mon 21-703:10SIN - OPO
2 stops23h 45mQatar Airways
Deal found 7-5S$ 1,412
Sat 10-516:20OPO - SIN
1 stop17h 10mAir France
Sun 25-500:40SIN - OPO
2 stops21h 50mAir France
Deal found 7-5S$ 1,466
Fri 9-511:00OPO - SIN
2 stops21h 00mTAP AIR PORTUGAL
Fri 23-500:50SIN - OPO
2 stops29h 05mTAP AIR PORTUGAL
Deal found 6-5S$ 1,655

Cheapflights Fare Finder

Customise your flight search to find flights from Porto 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 8 May 2025.
Use the filters below to find and compare flights from Porto to Singapore that are best for you.

Fly from

Porto

Fly to

Singapore

Route

Depart

Return

Price

PortoSingapore

OPO - SIN

OPOSIN

Porto

Sat 21-6

18:55-15:30

1 stop37h 35m

Singapore Changi

Fri 27-6

00:40-22:15

1 stop28h 35m

S$ 1,028

PortoSingapore

OPO - SIN

OPOSIN

Porto

Sun 22-6

22:25-09:40

2 stops28h 15m

Singapore Changi

Sun 29-6

21:10-23:15

2 stops33h 05m

S$ 1,099

PortoSingapore

OPO - SIN

OPOSIN

Porto

Sun 22-6

10:45-08:45

1 stop39h 00m

Singapore Changi

Sun 29-6

10:15-09:55

1 stop30h 40m

S$ 1,135

PortoSingapore

OPO - SIN

OPOSIN

Porto

Tue 8-7

16:35-21:00

2 stops21h 25m

Singapore Changi

Mon 21-7

03:10-19:55

2 stops23h 45m

S$ 1,412

PortoSingapore

OPO - SIN

OPOSIN

Porto

Sat 21-6

19:20-17:05

1 stop38h 45m

Singapore Changi

Sat 28-6

23:30-11:30

1 stop19h 00m

S$ 1,417

PortoSingapore

OPO - SIN

OPOSIN

Porto

Tue 8-7

11:05-16:40

1 stop22h 35m

Singapore Changi

Mon 21-7

00:05-23:20

1 stop30h 15m

S$ 1,433

PortoSingapore

OPO - SIN

OPOSIN

Porto

Sun 17-8

18:00-21:45

2 stops20h 45m

Singapore Changi

Thu 21-8

00:50-23:00

2 stops29h 10m

S$ 1,967

PortoSingapore

OPO - SIN

OPOSIN

Porto

Sat 30-8

21:15-18:25

2 stops38h 10m

S$ 819

PortoSingapore

OPO - SIN

OPOSIN

Porto

Sat 30-8

06:00-16:05

1 stop27h 05m

S$ 921

PortoSingapore

OPO - SIN

OPOSIN

Porto

Sat 30-8

19:55-07:30

3 stops52h 35m

S$ 2,250

Flights are sorted by cheapest return flights first.

Deals found on 7-5

Showing 1-10 of 11 results
1
2

Best time to book a flight from Porto to Singapore

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

How far ahead should I book a flight from Porto to Singapore?

Use this chart to determine the optimal time to book a return flight from Porto to Singapore. Price data was last updated on 2 May 2025.

The price you pay for your flight from Porto to Singapore may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Rainfall in Singapore by month

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

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

Temperature in Singapore by month

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

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March 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 December, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated 8 May 2025.

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Porto to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Porto to Singapore round-trip?

    Flying on KLM is currently your cheapest option to Singapore, with prices starting at S$ 1,028. Additional round-trip tickets that might be worth considering are offered by Turkish Airlines and Qatar Airways, with the lowest prices starting at S$ 1,135 and S$ 1,412, respectively. These flights start at 9% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as S$ 921. Users have also found prices from S$ 2,250 and S$ 3,297 on Ethiopian Air and Turkish Airlines, respectively.

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

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

  • How can I find direct flights from Porto to Singapore?

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

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

    Yes. Cheapflights offers flight deals from Porto 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.

See more FAQs

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Alternative routes for Porto to Singapore

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How does Cheapflights help users find flights from Porto to Singapore?

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

Cheapflights simply makes it quick and affordable to book flights from Porto to Singapore by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Porto to Singapore with no change fees.

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Of course! You can now track prices for flights from Porto 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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