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Cheap flights from Portugal to Singapore from S$ 512

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 19-5. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SIN
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portugal to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from Portugal to Singapore
Explore the most affordable flight options available from Portugal to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 May 2026.

Mon 15-609:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Sun 28-621:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 8-5S$ 978
Tue 8-909:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Tue 22-921:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 6-5S$ 979
Fri 30-1008:15
LIS
-
SIN
1 stop17h 20m
Etihad Airways
Wed 11-1119:25
SIN
-
LIS
1 stop19h 30m
Etihad Airways
Deal found 5-5S$ 985
Mon 5-1009:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Mon 12-1021:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 6-5S$ 986
Thu 18-605:55
LIS
-
SIN
1 stop28h 15m
SWISS
Sat 4-723:25
SIN
-
LIS
1 stop31h 00m
SWISS
Deal found 6-5S$ 990
Fri 30-1008:15
LIS
-
SIN
1 stop17h 20m
Etihad Airways
Tue 10-1119:25
SIN
-
LIS
1 stop19h 30m
Etihad Airways
Deal found 9-5S$ 992
Thu 18-605:55
LIS
-
SIN
1 stop28h 15m
Multiple Airlines
Sat 4-722:45
SIN
-
LIS
1 stop31h 00m
Multiple Airlines
Deal found 5-5S$ 994
Thu 18-606:20
OPO
-
SIN
1 stop27h 15m
Lufthansa
Sat 4-722:45
SIN
-
OPO
1 stop18h 35m
Lufthansa
Deal found 7-5S$ 995
Sat 13-619:20
OPO
-
SIN
1 stop38h 50m
SWISS
Sun 28-623:25
SIN
-
OPO
1 stop25h 50m
SWISS
Deal found 6-5S$ 998
Tue 25-809:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Tue 8-921:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 7-5S$ 1,005
Thu 4-607:30
FAO
-
SIN
2 stops29h 40m
Multiple Airlines
Mon 8-618:25
SIN
-
FAO
2 stops35h 05m
Multiple Airlines
Deal found 10-5S$ 1,017
Thu 18-615:25
OPO
-
SIN
2 stops18h 45m
SWISS
Sat 4-723:25
SIN
-
OPO
1 stop31h 45m
SWISS
Deal found 7-5S$ 1,023

Find flight deals from Portugal to Singapore

Keep the following information in mind while searching for Portugal to Singapore flight deals. Data was last updated 10 May 2026.

Round-trip from

S$ 978

One-way from

S$ 512

Popular in

December

Cheapest in

January

Average price

S$ 1,005
Etihad Airways
  • Etihad Airways
  • 15-6-28-6
  • 2 total stops
  • 34h 50m total
  • Portugal to Singapore
Search Deals
19-5
  • 19-5
  • 2 total stops
  • 36h 05m total
  • Portugal to Singapore
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (S$ 6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Portugal 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 10 May 2026.
Use the filters below to find and compare flights from Portugal to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoSingapore

OPO - SIN

OPOSIN

Porto

Sat 13-6

19:20-17:10

1 stop38h 50m

Singapore Changi

Sun 28-6

23:25-18:15

1 stop25h 50m

S$ 998
Fastest return journey

LisbonSingapore

LIS - SIN

LISSIN

Lisbon Humberto Delgado

Tue 16-6

09:15-09:40

1 stop17h 25m

Singapore Changi

Tue 23-6

21:00-07:25

1 stop17h 25m

S$ 1,008

PortoSingapore

OPO - SIN

OPOSIN

Porto

Thu 18-6

15:25-17:10

2 stops18h 45m

Singapore Changi

Sat 4-7

23:25-00:10

1 stop31h 45m

S$ 1,023

PortoSingapore

OPO - SIN

OPOSIN

Porto

Mon 1-6

21:25-16:05

1 stop35h 40m

Singapore Changi

Wed 17-6

23:20-19:05

1 stop26h 45m

S$ 1,098

PortoSingapore

OPO - SIN

OPOSIN

Porto

Mon 1-6

21:25-16:05

1 stop35h 40m

Singapore Changi

Mon 15-6

23:20-20:05

1 stop27h 45m

S$ 1,100

FaroSingapore

FAO - SIN

FAOSIN

Faro

Wed 4-11

11:25-20:35

2 stops25h 10m

Singapore Changi

Wed 18-11

23:05-18:10

1 stop27h 05m

S$ 1,109

LisbonSingapore

LIS - SIN

LISSIN

Lisbon Humberto Delgado

Thu 18-6

14:30-17:10

2 stops19h 40m

Singapore Changi

Sat 4-7

23:25-13:45

2 stops21h 20m

S$ 1,142

FaroSingapore

FAO - SIN

FAOSIN

Faro

Mon 8-6

11:35-16:05

1 stop21h 30m

Singapore Changi

Sun 14-6

23:20-18:55

1 stop26h 35m

S$ 1,151

LisbonSingapore

LIS - SIN

LISSIN

Lisbon Humberto Delgado

Sat 5-9

05:55-17:10

1 stop28h 15m

Singapore Changi

Sat 26-9

23:05-23:25

1 stop31h 20m

S$ 1,152

PortoSingapore

OPO - SIN

OPOSIN

Porto

Mon 1-6

20:10-09:40

2 stops30h 30m

Singapore Changi

Mon 15-6

21:00-15:00

2 stops25h 00m

S$ 1,207

Flights are sorted by cheapest return flights first.

Deals found on 8-5

Showing 1-10 of 37 resultsSorted by cheapest first
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Best time to book a flight from Portugal to Singapore

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

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

To ensure you get the cheapest price possible for a flight from Portugal to Singapore, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Portugal to Singapore (average of S$ 562). Flying from Portugal to Singapore in July is currently the most expensive (average of S$ 874). 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 often are flights from Portugal to Singapore delayed?

About 100% of weekly flights between Portugal and Singapore have experienced delays in the past year, with the average delay time being 49 minutes.

What is the most punctual flight time for Portugal to Singapore flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

Find useful and relevant information for your journey from Portugal 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 Portugal?

    Singapore Changi (SIN), located 16.9 km from the city centre, is the airport you fly into when you book flights from Portugal to Singapore.

  • How long is the flight from Portugal to Singapore?

    Airlines like SWISS, Etihad Airways, and British Airways fly from Portugal to Singapore in about 17h 25m. The time it takes to get you to your destination can typically vary by up to 21h 25m. The distance between Portugal and Singapore is about 11882 km. This flight may include one or multiple stops.

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

    For one-way options, check prices for Finnair. According to our data, you can fly for as low as S$ 622. Users have also found prices from S$ 693 and S$ 759 on Etihad Airways and British Airways, respectively.

  • What are the most popular routes from Portugal to Singapore?

    The most popular route from Portugal to Singapore is Lisbon Humberto Delgado - Singapore Changi. You may also consider Porto - Singapore Changi or Faro - Singapore Changi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal 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 Portugal to Singapore?

    Currently, May is the cheapest month in which you can book a flight from Portugal to Singapore (average of S$ 562). Flying from Portugal to Singapore in July is currently the most expensive (average of S$ 874). 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

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When you search for this flight from Portugal 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 Portugal to Singapore?

Millions of users choose and trust Cheapflights to book the best flight deals from Portugal to Singapore for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Singapore from Portugal 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 Portugal to Singapore 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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