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Cheap flights from Porto to Singapore from S$ 593

OPO — SIN
9 Oct — 16 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from Porto to Singapore

Sat 24-1019:55 -
1 stop37h 10m
Sat 7-1123:15 -
1 stop28h 00m
Deal found 5-9S$ 846
Wed 23-907:15 -
2 stops25h 45m
Sun 27-920:50 -
2 stops30h 35m
Deal found 6-9S$ 886
Sat 24-1019:55 -
1 stop37h 10m
Fri 6-1123:15 -
1 stop27h 55m
Deal found 8-9S$ 892
Mon 7-922:00 -
2 stops35h 00m
Tue 22-921:00 -
2 stops40h 50m
Deal found 6-9S$ 918
Wed 23-920:20 -
1 stop36h 50m
Sun 27-923:25 -
1 stop28h 10m
Deal found 6-9S$ 936
Wed 21-1005:05 -
3 stops33h 50m
Mon 9-1109:30 -
2 stops35h 05m
Deal found 8-9S$ 940
Mon 19-1007:50 -
2 stops31h 05m
Mon 26-1009:30 -
2 stops35h 05m
Deal found 4-9S$ 944
Thu 24-907:00 -
2 stops30h 10m
Mon 28-921:00 -
2 stops29h 05m
Deal found 8-9S$ 960
Sat 24-1007:35 -
2 stops43h 00m
Sat 7-1120:50 -
2 stops30h 30m
Deal found 6-9S$ 966

Find flight deals from Porto to Singapore

Round-trip from

S$ 844

One-way from

S$ 593

Popular in

August

Cheapest in

December

Average price

S$ 1,149
British Airways
  • British Airways
  • 24-10-7-11
  • 2 total stops
  • 65h 10m total
  • Porto to Singapore
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3-10-31-12
  • 3-10-31-12
  • 3 total stops
  • 54h 35m total
  • Porto to Singapore
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (S$ 330 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (S$ 53 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Porto to Singapore that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

PortoSingapore

OPO Porto - SIN Singapore Changi

OPOSIN

Porto

Mon 4-1

16:00-09:35

3 stops33h 35m

Singapore Changi

Wed 31-12

00:00-17:30

Nonstop0h 00m

S$ 657

PortoSingapore

OPO Porto - SIN Singapore Changi

OPOSIN

Porto

Sat 3-10

06:30-04:05

1 stop38h 35m

Singapore Changi

Wed 31-12

00:00-17:30

Nonstop0h 00m

S$ 768

PortoSingapore

OPO Porto - SIN Singapore Changi

OPOSIN

Porto

Sat 24-10

19:55-16:05

1 stop37h 10m

Singapore Changi

Fri 6-11

23:15-19:10

1 stop27h 55m

S$ 892

PortoSingapore

OPO Porto - SIN Singapore Changi

OPOSIN

Porto

Wed 23-9

20:20-16:10

1 stop36h 50m

Singapore Changi

Sun 27-9

23:25-20:35

1 stop28h 10m

S$ 936

PortoSingapore

OPO Porto - SIN Singapore Changi

OPOSIN

Porto

Mon 19-10

07:50-21:55

2 stops31h 05m

Singapore Changi

Mon 26-10

09:30-12:35

2 stops35h 05m

S$ 944
Fastest return journey

PortoSingapore

OPO Porto - SIN Singapore Changi

OPOSIN

Porto

Mon 4-1

16:10-08:55

1 stop32h 45m

Singapore Changi

Wed 31-12

00:00-17:30

Nonstop0h 00m

S$ 985

PortoSingapore

OPO Porto - SIN Singapore Changi

OPOSIN

Porto

Tue 20-10

06:15-13:00

3 stops23h 45m

Singapore Changi

Tue 10-11

15:55-09:35

3 stops25h 40m

S$ 1,106

PortoSingapore

OPO Porto - SIN Singapore Changi

OPOSIN

Porto

Sat 24-10

19:55-16:05

1 stop37h 10m

Singapore Changi

Sat 7-11

17:25-19:15

2 stops33h 50m

S$ 1,183

PortoSingapore

OPO Porto - SIN Singapore Changi

OPOSIN

Porto

Tue 20-10

16:50-08:45

1 stop32h 55m

Singapore Changi

Tue 10-11

05:10-15:25

1 stop18h 15m

S$ 1,193

PortoSingapore

OPO Porto - SIN Singapore Changi

OPOSIN

Porto

Fri 2-10

08:35-19:50

3 stops28h 15m

Singapore Changi

Mon 5-10

21:00-14:15

3 stops24h 15m

S$ 1,241

Flights are sorted by cheapest return flights first.

Deals found on 6-9

Sorted by cheapest first

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

Cheapflights Insights

Everything you need to know about your flight from Porto to Singapore

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

Currently, December is the cheapest month in which you can book a flight from Porto to Singapore (average of S$ 950). Flying from Porto to Singapore in August is currently the most expensive (average of S$ 1,642). 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.

How much does it cost for a return flight from Porto to Singapore?

Airfare is below average for this route at the moment.

Porto to Singapore flights typically cost between S$ 1,112 and S$ 1,170 in October.
The cheapest return price found within the last 5 days was S$ 846 on British Airways (24 Oct–7 Nov).

Related info for your journey

  • How long is the flight from Porto to Singapore?

    There are many flights that can get you from Porto to Singapore in 37h 10m. Fly via British Airways to get the fastest option. The distance from Porto to Singapore is about 11769 km.

  • 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.

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

    Currently, December is the cheapest month in which you can book a flight from Porto to Singapore (average of S$ 950). Flying from Porto to Singapore in August is currently the most expensive (average of S$ 1,642). 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

Alternative routes for Porto to Singapore

Lisbon to Singapore flights
Faro to Singapore flights

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

When you search for this flight from Porto to Singapore, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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.

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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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