Cheap flights from Portugal to Singapore from S$ 454

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 27-5. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SIN
18 May — 25 May1
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 18 April 2026.

Tue 26-509:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Wed 1-721:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 16-4S$ 961
Tue 26-509:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Sat 4-721:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 16-4S$ 963
Wed 27-509:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Wed 3-621:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 13-4S$ 967
Wed 8-709:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Sat 1-821:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 16-4S$ 975
Mon 13-709:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Wed 29-721:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 16-4S$ 976
Sun 8-1108:15
LIS
-
SIN
1 stop17h 20m
Etihad Airways
Sun 15-1119:25
SIN
-
LIS
1 stop19h 30m
Etihad Airways
Deal found 16-4S$ 977
Sun 10-509:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Sun 14-621:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 15-4S$ 980
Tue 2-622:00
OPO
-
SIN
2 stops28h 40m
Multiple Airlines
Tue 9-621:00
SIN
-
OPO
2 stops23h 15m
Multiple Airlines
Deal found 18-4S$ 982
Sun 30-809:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Wed 30-921:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 18-4S$ 990
Tue 26-509:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Sun 5-721:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 16-4S$ 991
Sat 3-1009:15
LIS
-
SIN
1 stop17h 25m
Etihad Airways
Mon 12-1021:00
SIN
-
LIS
1 stop17h 25m
Etihad Airways
Deal found 15-4S$ 994
Fri 19-616:50
LIS
-
SIN
2 stops33h 50m
Multiple Airlines
Wed 24-621:00
SIN
-
LIS
2 stops32h 15m
Multiple Airlines
Deal found 13-4S$ 995

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 18 April 2026.

Round-trip from

S$ 961

One-way from

S$ 454

Popular in

December

Cheapest in

May

Average price

S$ 1,162
Etihad Airways
  • Etihad Airways
  • 26-5-7-7
  • 2 total stops
  • 34h 50m total
  • Portugal to Singapore
27-5
  • 27-5
  • 3 total stops
  • 44h 55m total
  • Portugal to Singapore
Highest demand for flights based on searches. 0% potential increase in price (S$ 11 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (S$ 29 potential savings vs. average return price).
Average for round-trip flights in April 2026

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 18 April 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
Fastest return journey

LisbonSingapore

LIS - SIN

LISSIN

Lisbon Humberto Delgado

Thu 2-7

09:15-09:40

1 stop17h 25m

Singapore Changi

Wed 15-7

21:00-07:25

1 stop17h 25m

S$ 961

PortoSingapore

OPO - SIN

OPOSIN

Porto

Sun 24-5

05:55-20:45

3 stops31h 50m

Singapore Changi

Mon 8-6

20:00-18:05

2 stops29h 05m

S$ 1,013

PortoSingapore

OPO - SIN

OPOSIN

Porto

Wed 9-9

07:00-02:00

2 stops36h 00m

Singapore Changi

Sun 4-10

03:00-11:40

2 stops39h 40m

S$ 1,022

PortoSingapore

OPO - SIN

OPOSIN

Porto

Thu 10-9

14:45-09:40

2 stops35h 55m

Singapore Changi

Tue 6-10

20:00-15:05

2 stops26h 05m

S$ 1,027

LisbonSingapore

LIS - SIN

LISSIN

Lisbon Humberto Delgado

Tue 25-8

09:15-09:40

1 stop17h 25m

Singapore Changi

Tue 8-9

21:00-07:25

1 stop17h 25m

S$ 1,052

PortoSingapore

OPO - SIN

OPOSIN

Porto

Thu 11-6

08:40-17:10

1 stop25h 30m

Singapore Changi

Wed 24-6

23:25-00:10

1 stop31h 45m

S$ 1,070

LisbonSingapore

LIS - SIN

LISSIN

Lisbon Humberto Delgado

Sun 4-10

09:15-09:40

1 stop17h 25m

Singapore Changi

Mon 2-11

19:25-06:55

1 stop19h 30m

S$ 1,085

PortoSingapore

OPO - SIN

OPOSIN

Porto

Thu 14-5

16:05-09:40

2 stops34h 35m

Singapore Changi

Mon 18-5

21:00-06:50

2 stops40h 50m

S$ 1,146

PortoSingapore

OPO - SIN

OPOSIN

Porto

Sat 6-6

16:05-03:40

3 stops28h 35m

Singapore Changi

Sun 21-6

20:00-15:30

2 stops26h 30m

S$ 1,168

LisbonSingapore

LIS - SIN

LISSIN

Lisbon Humberto Delgado

Mon 10-8

09:15-09:40

1 stop17h 25m

Singapore Changi

Mon 31-8

21:00-07:25

1 stop17h 25m

S$ 1,186

Flights are sorted by cheapest return flights first.

Deals found on 15-4

Showing 1-10 of 40 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

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$ 564). Flying from Portugal to Singapore in July is currently the most expensive (average of S$ 877). 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 Etihad Airways, SWISS, 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 20h. 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$ 625. Users have also found prices from S$ 696 and S$ 761 on Etihad Airways and British Airways, respectively.

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

  • 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$ 564). Flying from Portugal to Singapore in July is currently the most expensive (average of S$ 877). 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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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.

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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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