S$ 474 Find Cheap Flights from Portugal to Singapore

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KAYAK's insights & trends for flights to Singapore

Get data-powered insights and trends for flights to Singapore to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Portugal to Singapore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Portugal to Singapore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portugal to Singapore is March, when tickets cost S$ 876 (return) on average. On the other hand, the most expensive months are July and August, when the average cost of round-trip tickets is S$ 1,275 and S$ 1,181 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Singapore, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on the flight from Portugal to Singapore, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.


Good to know

Low seasonDecember
High seasonAugust
Cheapest flightS$ 474
Best time to beat the crowds but there is an average 14% increase in price.
Most popular time to fly (17% more expensive on average)
Flight from Porto to Singapore

FAQs for booking flights from Portugal to Singapore

  • How does KAYAK find such low prices on flights from Portugal to Singapore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portugal to Singapore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portugal to Singapore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portugal to Singapore is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portugal to Singapore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Portugal to Singapore with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portugal to Singapore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portugal to Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Singapore?

    Based on KAYAK data, the cheapest day to fly to Singapore is Wednesday when return tickets can be as cheap as S$ 949. On the other hand, the most expensive day to fly is Monday, when return prices are S$ 1,340 on average.

  • What is the cheapest time of day to fly to Singapore?

    The cheapest time of day to fly to Singapore is generally in the morning, when round-trip flights cost S$ 729 on average. Morning departures are around 17% cheaper than evening flights, on average. The most expensive time of day to fly to Singapore is generally in the evening, which is peak travel time and where the average cost of a ticket is S$ 877.

Book cheap flights from Portugal to Singapore

Recent return flight deals

28-8Thu
1 stopLufthansa
22h 35mOPO-SIN
20-11Thu
1 stopLufthansa
19h 45mSIN-OPO
S$ 815
29-10Wed
1 stop
18h 25mLIS-SIN
19-11Wed
1 stop
21h 35mSIN-LIS
S$ 895
22-6Sun
1 stopEtihad Airways
17h 45mLIS-SIN
8-7Tue
1 stopEtihad Airways
17h 10mSIN-LIS
S$ 896
29-10Wed
1 stopSWISS
39h 05mLIS-SIN
18-11Tue
1 stopSWISS
23h 25mSIN-LIS
S$ 899
22-6Sun
1 stopEtihad Airways
17h 45mLIS-SIN
8-7Tue
1 stopEtihad Airways
17h 10mSIN-LIS
S$ 934
4-12Thu
1 stopSWISS
21h 45mOPO-SIN
9-3Mon
1 stopSWISS
19h 10mSIN-OPO
S$ 934
22-6Sun
1 stopAir France
24h 10mOPO-SIN
7-7Mon
1 stopAir France
24h 00mSIN-OPO
S$ 946
29-8Fri
1 stopAir France
24h 10mOPO-SIN
19-11Wed
1 stopAir France
19h 55mSIN-OPO
S$ 983
29-10Wed
2 stopsFinnair
21h 40mLIS-SIN
19-11Wed
1 stopFinnair
25h 20mSIN-LIS
S$ 992
17-8Sun
1 stopFinnair
18h 55mLIS-SIN
3-9Wed
1 stopFinnair
25h 05mSIN-LIS
S$ 1,123

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Recent one-way flight deals

27-8Wed
1 stop
30h 35mOPO-SIN
S$ 474
27-8Wed
1 stop
30h 35mOPO-SIN
S$ 477
19-8Tue
1 stopFinnair
18h 55mLIS-SIN
S$ 672
19-8Tue
1 stopFinnair
18h 55mLIS-SIN
S$ 673
5-8Tue
2 stopsIndiGo
28h 25mLIS-SIN
S$ 716
2-9Tue
2 stopsIndiGo
41h 55mOPO-SIN
S$ 804
15-7Tue
1 stopEtihad Airways
17h 30mLIS-SIN
S$ 847
15-7Tue
1 stopEtihad Airways
17h 30mLIS-SIN
S$ 850
11-8Mon
1 stopQatar Airways
19h 15mLIS-SIN
S$ 860
27-7Sun
1 stopQatar Airways
17h 35mLIS-SIN
S$ 1,002

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Everything you need to know for your flight to Singapore

Cabin class types available on flights to Singapore

Cabin classes available on flights to Singapore. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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