S$ 474 Find Cheap Flights from Portugal to Southeast Asia

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Southeast Asia

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Southeast Asia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Southeast Asia, as well as popular online travel agencies
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Useful Info
Useful Info

KAYAK's insights & trends for flights to Southeast Asia

Get data-powered insights and trends for flights to Southeast Asia 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 Southeast Asia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Portugal to Southeast Asia, 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 Southeast Asia is May, when tickets cost S$ 1,098 (return) on average. On the other hand, the most expensive months are April and December, when the average cost of round-trip tickets is S$ 1,537 and S$ 1,472 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Southeast Asia, 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 Southeast Asia, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

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Good to know

Low seasonMay
High seasonNovember
Cheapest flightS$ 474
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly and prices are also 7% lower on average.
Flight from Porto to Singapore

FAQs for booking flights from Portugal to Southeast Asia

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

    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 Southeast Asia.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portugal to Southeast Asia 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 Southeast Asia?

    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 Southeast Asia 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 Southeast Asia?

    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 Southeast Asia 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 Southeast Asia?

    Based on KAYAK data, the cheapest day to fly to Southeast Asia 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 Southeast Asia?

    The cheapest time of day to fly to Southeast Asia 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 Southeast Asia 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 Southeast Asia

Recent return flight deals

 
These are the cheapest return flights to Southeast Asia found on KAYAK in the last 72 hours.
28-8czw.
1 stopLufthansa
22h 35mOPO-SIN
20-11czw.
1 stopLufthansa
19h 45mSIN-OPO
S$ 815
29-10śr.
1 stop
18h 25mLIS-SIN
19-11śr.
1 stop
21h 35mSIN-LIS
S$ 895
22-6ndz.
1 stopEtihad Airways
17h 45mLIS-SIN
8-7wt.
1 stopEtihad Airways
17h 10mSIN-LIS
S$ 896
29-10śr.
1 stopSWISS
39h 05mLIS-SIN
18-11wt.
1 stopSWISS
23h 25mSIN-LIS
S$ 899
22-6ndz.
1 stopEtihad Airways
17h 45mLIS-SIN
8-7wt.
1 stopEtihad Airways
17h 10mSIN-LIS
S$ 934
4-12czw.
1 stopSWISS
21h 45mOPO-SIN
9-3pon.
1 stopSWISS
19h 10mSIN-OPO
S$ 934
22-6ndz.
1 stopAir France
24h 10mOPO-SIN
7-7pon.
1 stopAir France
24h 00mSIN-OPO
S$ 946
29-8pt.
1 stopAir France
24h 10mOPO-SIN
19-11śr.
1 stopAir France
19h 55mSIN-OPO
S$ 983
29-10śr.
2 stopsFinnair
21h 40mLIS-SIN
19-11śr.
1 stopFinnair
25h 20mSIN-LIS
S$ 992
17-8ndz.
1 stopFinnair
18h 55mLIS-SIN
3-9śr.
1 stopFinnair
25h 05mSIN-LIS
S$ 1,123

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Recent one-way flight deals

 
Only flying one-way? Below are some of the best deals for one-way flights to Southeast Asia found on KAYAK in the last 72 hours.
27-8śr.
1 stop
30h 35mOPO-SIN
S$ 474
27-8śr.
1 stop
30h 35mOPO-SIN
S$ 477
19-8wt.
1 stopFinnair
18h 55mLIS-SIN
S$ 672
19-8wt.
1 stopFinnair
18h 55mLIS-SIN
S$ 673
5-8wt.
2 stopsIndiGo
28h 25mLIS-SIN
S$ 716
2-9wt.
2 stopsIndiGo
41h 55mOPO-SIN
S$ 804
15-7wt.
1 stopEtihad Airways
17h 30mLIS-SIN
S$ 847
15-7wt.
1 stopEtihad Airways
17h 30mLIS-SIN
S$ 850
11-8pon.
1 stopQatar Airways
19h 15mLIS-SIN
S$ 860
27-7ndz.
1 stopQatar Airways
17h 35mLIS-SIN
S$ 1,002

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Everything you need to know for your flight to Southeast Asia

Cabin class types available on flights to Southeast Asia

Cabin classes available on flights to Southeast Asia. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class Flights to Southeast Asiafrom S$ 7,810
Business Class Flights to Southeast Asiafrom S$ 593
Prem Econ Class Flights to Southeast Asiafrom S$ 2,811
Economy class Flights to Southeast Asiafrom S$ 58

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