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Porto Alegre

Cheap flights from Lisbon (LIS) to Porto Alegre (POA)

LIS — POA
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Find flight deals from Lisbon to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Porto Alegre (POA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

December

Cheapest in

February

Average price

$1,390
Provider with most accurate pricing for Lisbon Humberto Delgado-Porto Alegre Salgado Filho flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Porto Alegre Salgado Filho flights.
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Highest demand for flights based on searches. 7% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Compare providers for flights from Lisbon to Porto Alegre

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to Porto Alegre in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lisbon-Porto Alegre flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-Porto Alegre flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lisbon-Porto Alegre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lisbon-Porto Alegre flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Porto Alegre flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Lisbon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to Porto Alegre

How far ahead should I book a flight from Lisbon to Porto Alegre?

Use this chart to determine the optimal time to book a round-trip flight from Lisbon to Porto Alegre. Price data was last updated on November 28, 2025.

To ensure you get the cheapest price possible for a flight from Lisbon to Porto Alegre, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Lisbon to Porto Alegre?

Currently, May is the cheapest month in which you can book a flight from Lisbon to Porto Alegre (average of $529). Flying from Lisbon to Porto Alegre in July is currently the most expensive (average of $1,067). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LIS to POA?

Find hourly flight availability from Lisbon to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

When flying from Lisbon to Porto Alegre, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 18% versus a flight in the afternoon.

Reviews of airlines servicing Porto Alegre

Get insights into the airlines that provide service to Porto Alegre. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto Alegre. Reviews last updated December 4, 2025.
See what other customers who have flown with TAP AIR PORTUGAL from Lisbon to Porto Alegre have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.1
Good
2,081 reviews

Crew

7.8

Food

6.2

Comfort

7.1

Overall

7.1

Boarding

7.0

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.
TAP AIR PORTUGAL
7.1
Good
2,081 reviews
TAP AIR PORTUGAL
7.1
Good
2,081 reviews

Crew

7.8

Food

6.2

Comfort

7.1

Overall

7.1

Boarding

7.0

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.

Related info for your journey

Find useful and relevant information for your journey from Lisbon to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Lisbon to Porto Alegre round-trip?

    Flying on TAP AIR PORTUGAL is currently your cheapest option to Porto Alegre, with prices starting at $772. TAP AIR PORTUGAL is currently priced 25% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Lisbon to Porto Alegre?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Lisbon to Porto Alegre on time: Azul (44%), Emirates (42%), Turkish Airlines (42%).

  • Can I find deals for flights from Lisbon to Porto Alegre that include hotel bookings?

    Yes. In addition to deals on Lisbon to Porto Alegre flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lisbon to Porto Alegre?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Porto Alegre.

  • Can I find deals for business class flights from Lisbon to Porto Alegre?

    Yes. Cheapflights offers flight deals from Lisbon to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Lisbon to Porto Alegre?

    Currently, May is the cheapest month in which you can book a flight from Lisbon to Porto Alegre (average of $529). Flying from Lisbon to Porto Alegre in July is currently the most expensive (average of $1,067). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Complete your trip

Complete your trip to Porto Alegre by adding a car rental and/or hotel reservation to your travel itinerary.
Porto Alegre car rentals
Porto Alegre Salgado Filho Airport car rentals

Top airline flying from Lisbon to Porto Alegre

Discover the top airline that operate flights from Lisbon to Porto Alegre. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$772Average$1,056FlexibilityNo cancel feeOn-timeN/A

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