S$ 464 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

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$ 1,091 (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$ 1,528 and S$ 1,459 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$ 464
Best time to beat the crowds (11% less expensive on average)
Most popular time to fly and prices are also 8% lower on average.
Flight from Lisbon 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$ 943. On the other hand, the most expensive day to fly is Monday, when return prices are S$ 1,332 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.

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Recent return flight deals

 
These are the cheapest return flights to Southeast Asia found on KAYAK in the last 72 hours.
25-8Mon
1 stopFinnair
18h 55mLIS-SIN
8-9Mon
1 stopFinnair
25h 05mSIN-LIS
S$ 885
2-12Tue
1 stop
20h 30mLIS-SIN
14-12Sun
1 stop
21h 35mSIN-LIS
S$ 893
20-11Thu
1 stopAir France
20h 35mLIS-SIN
28-11Fri
1 stopAir France
19h 25mSIN-LIS
S$ 912
2-9Tue
1 stopLufthansa
27h 25mOPO-SIN
18-11Tue
1 stopLufthansa
21h 05mSIN-OPO
S$ 912
2-9Tue
1 stopLufthansa
27h 25mOPO-SIN
16-11Sun
1 stopLufthansa
21h 05mSIN-OPO
S$ 915
29-10Wed
1 stopSWISS
21h 35mLIS-SIN
18-11Tue
1 stopSWISS
22h 30mSIN-LIS
S$ 918
29-10Wed
1 stopSWISS
21h 35mLIS-SIN
18-11Tue
1 stopSWISS
22h 30mSIN-LIS
S$ 921
29-10Wed
1 stopEtihad Airways
16h 40mLIS-SIN
19-11Wed
1 stopEtihad Airways
18h 20mSIN-LIS
S$ 943
29-10Wed
1 stopEtihad Airways
16h 40mLIS-SIN
19-11Wed
1 stopEtihad Airways
18h 20mSIN-LIS
S$ 944
28-8Thu
1 stopAir France
24h 10mOPO-SIN
25-11Tue
1 stopAir France
19h 55mSIN-OPO
S$ 1,007

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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.
28-11Fri
2 stops
30h 50mLIS-SIN
S$ 464
28-11Fri
2 stops
31h 10mOPO-SIN
S$ 473
1-11Sat
2 stops
57h 45mOPO-SIN
S$ 478
17-9Wed
1 stopFinnair
18h 55mLIS-SIN
S$ 631
17-8Sun
2 stopsIndiGo
41h 50mLIS-SIN
S$ 651
19-8Tue
1 stopFinnair
18h 55mLIS-SIN
S$ 687
30-8Sat
2 stopsEtihad Airways
34h 35mOPO-SIN
S$ 756
21-7Mon
2 stopsIndiGo
41h 50mLIS-SIN
S$ 794
16-12Tue
1 stopEtihad Airways
16h 40mLIS-SIN
S$ 860
8-7Tue
1 stopQatar Airways
17h 35mLIS-SIN
S$ 873

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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$ 7,760
Business Class Flights to Southeast Asiafrom S$ 589
Prem Econ Class Flights to Southeast Asiafrom S$ 3,044
Economy class Flights to Southeast Asiafrom S$ 57

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