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. Visit our flight page for the latest deals!>/a>

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 to Southeast Asia from Portugal is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

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 to Southeast Asia with an airline and back to Portugal with another airline. Visit our flight page for the latest deals!>/a>

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 to Southeast Asia from Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

S$ 471 Cheap Flights from Portugal to Southeast Asia

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

...and more

In the last 7 days, travellers have searched 46,479,581 times on KAYAK, and here's why:

Save 26% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Low season	May
High season	November
Cheapest flight	S$ 471

Best time to beat the crowds (6% less expensive on average)

Most popular time to fly and prices are also 8% lower on average.

Flight from Porto to Singapore

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 to Southeast Asia from Portugal is likely to change within 7 days, so travelers 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 to Southeast Asia with an airline and back to Portugal 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 to Southeast Asia from Portugal 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.

24-11Κυρ

1 stop

16h 50mLIS-SIN

28-11Πεμ

1 stop

19h 35mSIN-LIS

S$ 843

21-11Πεμ

1 stop

27h 15mLIS-SIN

28-11Πεμ

1 stop

19h 35mSIN-LIS

S$ 846

14-3Παρ

1 stopKLM

16h 50mLIS-SIN

29-3Σαβ

1 stopKLM

24h 35mSIN-LIS

S$ 847

18-11Δευ

1 stopTurkish Airlines

17h 35mLIS-SIN

3-12Τρι

1 stopTurkish Airlines

32h 10mSIN-LIS

S$ 850

22-11Παρ

1 stopTurkish Airlines

17h 35mLIS-SIN

1-12Κυρ

1 stopTurkish Airlines

32h 10mSIN-LIS

S$ 855

14-3Παρ

1 stopEtihad Airways

17h 10mLIS-SIN

29-3Σαβ

1 stopEtihad Airways

19h 15mSIN-LIS

S$ 862

21-11Πεμ

2 stopsLufthansa

20h 35mOPO-SIN

4-12Τετ

1 stopLufthansa

21h 05mSIN-OPO

S$ 879

13-2Πεμ

1 stopEtihad Airways

17h 10mLIS-SIN

7-3Παρ

1 stopEtihad Airways

19h 35mSIN-LIS

S$ 891

18-11Δευ

1 stopLufthansa

26h 55mLIS-SIN

2-12Δευ

1 stopLufthansa

21h 35mSIN-LIS

S$ 896

28-11Πεμ

1 stopKLM

37h 00mFAO-SIN

5-12Πεμ

2 stopsKLM

29h 35mSIN-FAO

S$ 925

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.

26-4Σαβ

3 stops

31h 55mOPO-SIN

S$ 471

12-4Σαβ

2 stops

28h 15mLIS-SIN

S$ 474

5-3Τετ

1 stopFinnair

18h 15mLIS-SIN

S$ 674

5-3Τετ

2 stopsFinnair

27h 20mLIS-SIN

S$ 695

14-11Πεμ

1 stopBritish Airways

24h 55mLIS-SIN

S$ 768

16-1Πεμ

1 stopBritish Airways

19h 00mLIS-SIN

S$ 781

14-11Πεμ

1 stopSWISS

18h 30mLIS-SIN

S$ 835

15-11Παρ

1 stopQatar Airways

16h 40mLIS-SIN

S$ 854

2-1Πεμ

1 stopSWISS

28h 20mLIS-SIN

S$ 1,004

26-12Πεμ

1 stopQatar Airways

22h 30mLIS-SIN

S$ 1,513

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.

3-11Κυρ

multi-stopFinnair

29h 30mLIS-SIN

3-3Δευ

multi-stopFinnair

25h 20mSIN-LIS

S$ 1,369

3-11Κυρ

multi-stopFinnair

29h 30mLIS-SIN

3-3Δευ

multi-stopFinnair

25h 25mSIN-LIS

S$ 1,393

3-11Κυρ

multi-stop

43h 25mLIS-SIN

2-3Κυρ

multi-stop

18h 30mSIN-LIS

S$ 1,443

3-11Κυρ

multi-stop

36h 05mLIS-SIN

2-3Κυρ

multi-stop

21h 25mSIN-LIS

S$ 1,817

3-11Κυρ

multi-stopSWISS

18h 30mLIS-SIN

2-3Κυρ

multi-stopSWISS

19h 20mSIN-LIS

S$ 1,819

3-11Κυρ

multi-stop

18h 30mLIS-SIN

3-3Δευ

multi-stop

21h 35mSIN-LIS

S$ 1,873

Everything you need to know for your flight to Southeast Asia

Cabin class types available on flights to Southeast Asia

First Class Flights to Southeast Asiafrom S$ 7,704

Business Class Flights to Southeast Asiafrom S$ 555

Prem Econ Class Flights to Southeast Asia

Economy class Flights to Southeast Asiafrom S$ 114

S$ 471 Find cheap flights from Portugal to Southeast Asia

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

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Portugal to Southeast Asia

How does KAYAK find such low prices 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?

What is the Hacker Fare option on flights from Portugal to Southeast Asia?

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

Book cheap flights from Portugal to Southeast Asia

Recent return flight deals

Search by stops

Search by airline

Search by price

Recent one-way flight deals

Search by stops

Search by airline

Search by price

Last minute flights to Southeast Asia

Last minute flight, train and bus deals

Search by stops

Search by airline

Search by price

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.

Complete your trip to Southeast Asia with a hotel stay or car hire

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from domestic origins to Southeast Asia

Flights from all regions of Portugal to Southeast Asia. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Flights to popular cities in Southeast Asia

Find deals for your return flight