S$ 413 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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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 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$ 1,374 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$ 1,091 (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$ 1,571 and S$ 1,500 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$ 413
Best time to beat the crowds (11% less expensive on average)
Most popular time to fly and prices are also 7% 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.

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.
10-5Sat
1 stopBritish Airways
22h 25mOPO-SIN
14-5Wed
1 stopBritish Airways
26h 20mSIN-OPO
S$ 753
19-6Thu
1 stop
22h 05mLIS-SIN
24-6Tue
1 stop
18h 35mSIN-LIS
S$ 827
12-5Mon
1 stopAir France
17h 35mLIS-SIN
23-5Fri
1 stopAir France
18h 35mSIN-LIS
S$ 828
19-6Thu
1 stopAir France
17h 10mOPO-SIN
24-6Tue
1 stopAir France
35h 40mSIN-OPO
S$ 864
25-6Wed
1 stopEtihad Airways
17h 30mLIS-SIN
30-6Mon
1 stopEtihad Airways
17h 10mSIN-LIS
S$ 917
14-5Wed
1 stopLufthansa
27h 25mOPO-SIN
27-5Tue
1 stopLufthansa
18h 00mSIN-OPO
S$ 948
16-5Fri
1 stopSWISS
25h 25mOPO-SIN
2-6Mon
1 stopSWISS
18h 55mSIN-OPO
S$ 953
15-5Thu
1 stopSWISS
38h 45mOPO-SIN
29-5Thu
2 stopsSWISS
42h 40mSIN-OPO
S$ 954
14-5Wed
1 stopLufthansa
27h 25mOPO-SIN
28-5Wed
1 stopLufthansa
30h 55mSIN-OPO
S$ 970
25-6Wed
1 stopEtihad Airways
17h 30mLIS-SIN
1-7Tue
1 stopEtihad Airways
17h 10mSIN-LIS
S$ 1,060

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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.
7-5Wed
3 stops
49h 50mLIS-SIN
S$ 413
7-5Wed
2 stops
45h 55mLIS-SIN
S$ 416
6-5Tue
2 stops
32h 00mLIS-SIN
S$ 474
17-9Wed
1 stopFinnair
18h 55mLIS-SIN
S$ 648
7-5Wed
1 stopEtihad Airways
17h 45mLIS-SIN
S$ 651
17-9Wed
2 stopsAir India
35h 30mLIS-SIN
S$ 671
19-8Tue
1 stopFinnair
18h 55mLIS-SIN
S$ 686
16-7Wed
1 stopEtihad Airways
17h 30mLIS-SIN
S$ 835
26-7Sat
2 stopsIndiGo
28h 25mLIS-SIN
S$ 895
3-8Sun
2 stopsAir India
20h 45mLIS-SIN
S$ 3,139

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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.
1-5Thu
multi-stopBritish Airways
18h 05mLIS-SIN
14-5Wed
multi-stopBritish Airways
21h 45mSIN-LIS
S$ 720
2-5Fri
multi-stopBritish Airways
35h 55mOPO-SIN
18-5Sun
multi-stopBritish Airways
28h 00mSIN-OPO
S$ 799
1-5Thu
multi-stopBritish Airways
20h 55mLIS-SIN
14-5Wed
multi-stopBritish Airways
21h 45mSIN-LIS
S$ 1,008
2-5Fri
multi-stopBritish Airways
26h 10mOPO-SIN
18-5Sun
multi-stopBritish Airways
28h 00mSIN-OPO
S$ 1,041
2-5Fri
multi-stop
28h 10mOPO-SIN
18-5Sun
multi-stop
25h 05mSIN-OPO
S$ 1,101
2-5Fri
multi-stop
32h 45mOPO-SIN
18-5Sun
multi-stop
19h 55mSIN-OPO
S$ 1,140
1-5Thu
multi-stopKLM
37h 00mLIS-SIN
13-5Tue
multi-stopKLM
17h 15mSIN-LIS
S$ 1,240
2-5Fri
multi-stopLufthansa
21h 35mOPO-SIN
18-5Sun
multi-stopLufthansa
19h 25mSIN-OPO
S$ 1,369
1-5Thu
multi-stopKLM
39h 45mLIS-SIN
13-5Tue
multi-stopKLM
25h 00mSIN-LIS
S$ 1,504
2-5Fri
multi-stopIberia
40h 10mOPO-SIN
17-5Sat
multi-stopIberia
19h 45mSIN-OPO
S$ 1,618

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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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