S$ 403 Find Cheap Flights from Portugal to Southeast Asia

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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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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 day to fly to Southeast Asia?

The average price of all flights from Portugal to Southeast Asia clicked on KAYAK for each day over the last 12 months.
Based on KAYAK data, the cheapest day to fly to Southeast Asia is Wednesday when return tickets can be as cheap as S$ 973. On the other hand, the most expensive day to fly is Monday, when return prices are S$ 1,373 on average.

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 September, when tickets cost S$ 1,078 (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$ 1,570 and S$ 1,502 respectively.

What is the cheapest time of day to fly to Southeast Asia?

The average price for all round-trip flights from Portugal to Southeast Asia depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
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.

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.

Good to know

Low season

May

High season

November

Cheapest flight

S$ 403
Best time to beat the crowds (12% less expensive on average)
Most popular time to fly and prices are also 6% 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.

See more FAQs

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.
22-5Thu
1 stopBritish Airways
18h 05mLIS-SIN
28-5Wed
1 stopBritish Airways
21h 45mSIN-LIS
S$ 724
7-5Wed
1 stopBritish Airways
25h 45mLIS-SIN
14-5Wed
1 stopBritish Airways
21h 45mSIN-LIS
S$ 750
4-6Wed
1 stop
37h 00mLIS-SIN
24-6Tue
1 stop
18h 35mSIN-LIS
S$ 841
13-5Tue
1 stop
20h 50mLIS-SIN
20-5Tue
1 stop
18h 35mSIN-LIS
S$ 844
16-5Fri
1 stopAir France
21h 20mLIS-SIN
23-5Fri
1 stopAir France
18h 35mSIN-LIS
S$ 845
13-5Tue
1 stopAir France
21h 20mLIS-SIN
20-5Tue
1 stopAir France
23h 20mSIN-LIS
S$ 848
4-9Thu
1 stopEtihad Airways
17h 30mLIS-SIN
16-9Tue
1 stopEtihad Airways
17h 10mSIN-LIS
S$ 876
1-5Thu
1 stopFinnair
18h 55mLIS-SIN
30-5Fri
1 stopFinnair
25h 05mSIN-LIS
S$ 893
3-9Wed
1 stopEtihad Airways
17h 30mLIS-SIN
16-9Tue
1 stopEtihad Airways
17h 10mSIN-LIS
S$ 930
25-8Mon
1 stopFinnair
18h 55mLIS-SIN
8-9Mon
1 stopFinnair
25h 05mSIN-LIS
S$ 976

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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.
4-6Wed
3 stops
45h 05mLIS-SIN
S$ 403
12-5Mon
2 stops
49h 45mLIS-SIN
S$ 407
16-5Fri
2 stops
48h 35mLIS-SIN
S$ 419
9-10Thu
1 stopFinnair
18h 55mLIS-SIN
S$ 635
17-9Wed
1 stopFinnair
18h 55mLIS-SIN
S$ 645
17-9Wed
2 stopsAir India
20h 45mLIS-SIN
S$ 669
17-9Wed
2 stopsAir India
20h 45mLIS-SIN
S$ 670
11-5Sun
1 stopBritish Airways
25h 45mLIS-SIN
S$ 795
15-7Tue
1 stopEtihad Airways
17h 30mLIS-SIN
S$ 872
15-7Tue
1 stopEtihad Airways
17h 30mLIS-SIN
S$ 878

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Last minute flights to Southeast Asia

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights to Southeast Asia that are departing in the next 10 days.
22-4Tue
multi-stop
18h 35mLIS-SIN
8-5Thu
multi-stop
21h 10mSIN-LIS
S$ 1,431
18-4Fri
multi-stopAir France
38h 40mLIS-SIN
29-4Tue
multi-stopAir France
18h 35mSIN-LIS
S$ 1,469
18-4Fri
multi-stopBritish Airways
25h 45mLIS-SIN
2-5Fri
multi-stopBritish Airways
21h 50mSIN-LIS
S$ 1,654
20-4Sun
multi-stopEtihad Airways
17h 15mLIS-SIN
28-4Mon
multi-stopEtihad Airways
17h 10mSIN-LIS
S$ 1,850
18-4Fri
multi-stopBritish Airways
20h 55mLIS-SIN
2-5Fri
multi-stopBritish Airways
21h 50mSIN-LIS
S$ 1,931
20-4Sun
multi-stopFinnair
18h 55mLIS-SIN
27-4Sun
multi-stopFinnair
25h 05mSIN-LIS
S$ 1,934
20-4Sun
multi-stopFinnair
18h 55mLIS-SIN
28-4Mon
multi-stopFinnair
25h 05mSIN-LIS
S$ 1,977
19-4Sat
multi-stopIberia
20h 20mLIS-SIN
27-4Sun
multi-stopIberia
24h 05mSIN-LIS
S$ 2,045
19-4Sat
multi-stopEtihad Airways
17h 45mLIS-SIN
28-4Mon
multi-stopEtihad Airways
17h 10mSIN-LIS
S$ 2,077
18-4Fri
multi-stopIberia
24h 00mLIS-SIN
27-4Sun
multi-stopIberia
24h 05mSIN-LIS
S$ 2,115

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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.

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