Cheap Flights from Porto to Singapore

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Compare Porto to Singapore Changi flight deals

Find the cheapest month or even day of the year to fly to Singapore Changi

Book the best Singapore Changi fare with no extra fees

Flight deals from Porto to Singapore Changi

Looking for a cheap last-minute deal or the best return flight from Porto to Singapore Changi? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Porto to Singapore Changi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Singapore Changi flights are currently cheapest in March.

Porto to Singapore Changi: Alternative routes

Compare routes from Porto to Singapore below. You may find an airport to fly into that's cheaper, faster, or easier than Singapore Changi.

Porto to Singapore: Flight information

The things to know before you go.
Cheapest flight found$1,030
Cheapest month to flyMarch

Finding cheap flights from Porto to Singapore Changi: Frequently asked questions

The best price we found for a return flight from Porto to Singapore Changi is $1,030. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Porto to Singapore Changi. But we found flights with one or more stops from $1,030.
As of April 2025, there are no flights flying from Porto to Singapore Changi.
The cheapest month to fly from Porto to Singapore Changi is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Singapore Changi Airport on Thursday, 12 March 2026.
No airlines currently offer direct flights between Porto Airport and Singapore Changi Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Singapore Changi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Singapore is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, SWISS offers the cheapest flight tickets to Singapore Changi.

Flying from Porto Airport (OPO) to Changi International Airport (SIN): what you need to know

  • Be prepared for bigger queues during popular months such as August and other peak periods. Arriving up to four hours in advance for international flights and two hours for a domestic departure will help ensure a smooth travel experience.

  • If you want a stopover for your flight from Porto Airport to Changi International Airport, simply deselect 'Direct flights only' and check out your options. These are the most popular stopovers between OPO and SIN:

    • Brussels Airport

    • Zurich Airport

    • Frankfurt Airport

  • To see whether you need a visa to enter Singapore, check with your airline and the local consulate or embassy. They'll provide you with the latest information, including additional travel documents you may need after booking your cheap ticket from OPO to SIN.

How to find the cheapest flights from Porto Airport (OPO) to Changi International Airport (SIN)

  • The best price we've found for a one-way ticket from Porto Airport to Changi International Airport is $460. The cheapest price for a return flight is $1,030. Remember that fares may change due to demand at the time of booking.

  • It's a good idea to book as early as possible if you're looking for cheap flight tickets from OPO to SIN. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • If you're flexible with your trip dates, use the 'Whole month' search tool. It'll find the cheapest price across each month when looking for your ticket from Porto Airport to Changi International Airport.

  • Sign into your online account or use the app to create a Price Alert. We'll let you know right away if there's a better deal on this route. It doesn't take long, and it'll save you the hassle of checking for cheap flight tickets from OPO to SIN every day.

  • Play around with filters to find the right journey for you. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Porto Airport to Changi International Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about Porto Airport (OPO)

  • Porto Airport is around 16 kilometres from central Porto. If you're catching a cab, driving or ride-sharing from the centre, it'll take 21 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be approximately 49 minutes.

  • Need a handy hotel close to OPO? If you're boarding an early flight from Porto Airport to Changi International Airport, these accommodation options will put you moments from your departure gate:

Arriving at Changi International Airport (SIN)

Getting from Changi International Airport (SIN) to central Singapore

  • From Changi International Airport, Singapore is approximately 21 kilometres away. It takes around 21 minutes to reach the centre driving.

  • It takes around 1 hour when travelling by public transport.

When to fly to Changi International Airport (SIN)

  • August is the most popular month for flights from Porto Airport to Changi International Airport. To escape the crowds, visit Singapore in February.

  • Lock in your flight from Porto Airport to Changi International Airport for May if you'd like to explore Singapore during its warmest month. You can expect temperatures of between 25ºC and 31ºC.

  • January sees average temperatures of between 24ºC and 30ºC. Look for cheap flight tickets from OPO to SIN around that time if you want to travel when it's cooler.

More about Singapore

  • Once you've locked in your flights from OPO to SIN, you'll need to find somewhere to stay in Singapore. Make one of these accommodation options your base for exploring this exciting city:

  • There are so many things to see and do in this city it can be hard to work out where to start. Marina Bay Sands, Gardens by the Bay and Universal Studios Singapore are top sights which should feature on any good Singapore itinerary.

  • There's more than one way to get to Singapore. Seletar Airport (XSP) is another great choice. Explore the flight deals and timetables available from this international airport.

Complete your Singapore trip with hotels and a car rental

  • Once you've secured your cheap ticket to Changi International Airport, browse our low prices and exclusive offers on hotels. You can also compare hundreds of car rental companies in one go to get the best car rental price for your Singapore holiday.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.