Cheap flights from Lisbon to Porto Alegre

Compare Lisbon to Porto Alegre flight deals

Find the cheapest month or even day of the year to fly to Porto Alegre

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Flight deals from Lisbon to Porto Alegre

Looking for a cheap last-minute deal or the best return flight from Lisbon Airport to Porto Alegre Airport? If you want to travel next month, return fares start from $1,678. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Lisbon to Porto Alegre

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

Direct flights from Lisbon to Porto Alegre

Lisbon to Porto Alegre: Alternative routes

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

Lisbon to Porto Alegre: Flight information

The things to know before you go.
Cheapest flight found$620
Cheapest month to flySeptember
Average flight time11 hrs, 26 mins
Most popular airlineAzul Airlines
Average flights per week16

Finding cheap flights from Lisbon to Porto Alegre: Frequently asked questions

The best price we found for a return flight from Lisbon to Porto Alegre is $1,260. 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.
11 hours and 26 minutes is the average flight time from Lisbon to Porto Alegre.
Azul Airlines, Turkish Airlines and TAP Air Portugal fly direct from Lisbon to Porto Alegre.
As of June 2026, there are 16 flights per week flying from Lisbon to Porto Alegre.
The cheapest month to fly from Lisbon to Porto Alegre is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Lisbon Airport to Porto Alegre Airport on Tuesday, 10 November 2026.
Yes – the average flight time is 11 hours and 26 minutes.
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 Porto Alegre 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 Porto Alegre is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Azul Airlines and TAP Air Portugal offer the cheapest flight tickets to Porto Alegre.

Flying from Lisbon Airport (LIS) to Porto Alegre Airport (POA): what you need to know

  • Jump on a direct flight from Lisbon Airport to Porto Alegre Airport and you'll be travelling for an average of 11 hours 25 minutes.

  • Porto Alegre's timezone is UTC-3, making Porto Alegre three hours behind Lisbon.

  • Choose from three weekly Lisbon Airport to Porto Alegre Airport flights. The 11:15 departure with TAP Air Portugal is the earliest you can take. TAP Air Portugal operates the last service of the day at 15:15.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport on time to catch your LIS to POA flight.

  • Flying during a peak time such as August? Public holidays and other popular periods can lead to longer lines at check-in and security. Play it safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • TAP Air Portugal is your gateway to exploring Porto Alegre (and perhaps some other great corners of Brazil!). Check out the direct flights from Lisbon Airport to Porto Alegre Airport offered by this carrier.

  • TAP Air Portugal has the highest passenger demand on this route.

  • TAP Air Portugal is the most punctual carrier offering LIS to POA flights.

How to find the cheapest flights from Lisbon Airport (LIS) to Porto Alegre Airport (POA)

  • Right now, $620 is the cheapest price we've found for a one-way Lisbon Airport to Porto Alegre Airport flight. The best price for a return ticket is $1,260. Bear in mind that fares could change due to availability at the time of booking.

  • Don't wait until the last minute. You're more likely to get cheap tickets from LIS to POA if you book in advance. Airlines often offer some excellent early bird deals.

  • May is the cheapest month for flights from Lisbon Airport to Porto Alegre Airport. If you prefer to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.

  • Getting your hands on cheap flights from LIS to POA is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when fares go down.

  • Pick your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Lisbon Airport to Porto Alegre Airport.

Handy information about Lisbon Airport (LIS)

  • 56% of flights that leave from Lisbon Airport touch down at their destination on time.

  • To reach Lisbon Airport from central Lisbon, it takes about 20 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 8 kilometres from the airport to the city centre.

  • The trip on public transport usually takes 25 minutes.

  • Get your journey off to a hassle-free start by staying near LIS. Whether you have an early flight from Lisbon Airport to Porto Alegre Airport or just don't like being rushed, these hotels are the answer:

Arriving at Porto Alegre Airport (POA)

Getting from Porto Alegre Airport (POA) to central Porto Alegre

  • From Porto Alegre Airport, Porto Alegre is approximately 10 kilometres away. It takes around 20 minutes to get to the centre driving.

  • When travelling by public transport, expect a journey time of around 35 minutes.

When to fly to Porto Alegre Airport (POA)

  • The quietest month for a flight from Lisbon Airport to Porto Alegre Airport is March, while August is the most popular. Choose the ideal time to visit Porto Alegre based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Before locking in your flight from Lisbon Airport to Porto Alegre Airport, think about the kind of weather you enjoy. February is the warmest month in Porto Alegre, with the temperature ranging from 19ºC (66ºF) to 34ºC (93ºF).

  • July sees average temperatures of between 8ºC (46ºF) and 23ºC (73ºF). Search for cheap tickets from LIS to POA sometime around then if you want to travel in cooler conditions.

Explore more of Brazil

  • You've seen Porto Alegre, now it's time to explore more of Brazil. Travel about 483 kilometres north-east to Joinville to tick off its top sights. From Water park to Parque Zoobotanico and Museu da Dança, you'll have a packed itinerary ahead.

  • Around 370 kilometres north-east of Porto Alegre, Florianopolis is another favourite stop in Brazil. No visit is complete without checking out Joaquina beach, Dunes of Joaquina and Praia do Novo Campeche.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.