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Cheap flights from Lisbon to Porto Alegre from £391

LIS — POA
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Lisbon to Porto Alegre

Enter your travel dates to find the best prices.

Cheapest flights from Lisbon to Porto Alegre

Wed 25/1105:00 -
2 stops22h 30m
Wed 9/1212:30 -
2 stops30h 55m
Deal found 1/11£715
Wed 25/1105:00 -
2 stops21h 20m
Thu 10/1205:40 -
2 stops30h 30m
Deal found 1/11£724
Thu 19/1105:00 -
2 stops22h 30m
Fri 4/1205:40 -
2 stops30h 30m
Deal found 31/10£805
Fri 27/1111:35 -
2 stops30h 05m
Tue 8/1210:40 -
2 stops25h 35m
Deal found 1/11£892
Mon 23/1116:05 -
2 stops25h 55m
Wed 9/1210:40 -
2 stops25h 35m
Deal found 1/11£921
Tue 24/1120:05 -
2 stops21h 55m
Wed 9/1210:40 -
2 stops21h 05m
Deal found 1/11£949
Tue 1/1205:00 -
2 stops22h 30m
Tue 15/1212:30 -
2 stops26h 00m
Deal found 5/11£950
Mon 16/1111:35 -
2 stops34h 15m
Mon 30/1105:40 -
2 stops22h 10m
Deal found 2/11£961
Tue 10/1111:55 -
1 stop13h 50m
Mon 23/1121:40 -
1 stop13h 45m
Deal found 2/11£970
Thu 19/1116:30 -
1 stop34h 40m
Thu 3/1201:30 -
Nonstop10h 45m
Deal found 3/11£972

Find flight deals from Lisbon to Porto Alegre

Round-trip from

£693

One-way from

£391

Popular in

August

Cheapest in

May

Average price

£758

Good round-trip deal

£683 or less
LATAM Airlines
  • LATAM Airlines
  • 24/2-3/3
  • 3 total stops
  • 38h 20m total
  • Lisbon to Porto Alegre
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LATAM Airlines
  • LATAM Airlines
  • 24/11-31/12
  • 1 total stop
  • 25h 25m total
  • Lisbon to Porto Alegre
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£129 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Lisbon Humberto Delgado to Porto Alegre Salgado Filho.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Lisbon to Porto Alegre that are best for you.

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Price

Cheapest return flight

LisbonPorto Alegre

LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho

LISPOA

Lisbon Humberto Delgado

Sat 26/12

09:10-07:40

2 stops25h 30m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£518

LisbonPorto Alegre

LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho

LISPOA

Lisbon Humberto Delgado

Mon 7/12

11:35-12:55

2 stops28h 20m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£560

LisbonPorto Alegre

LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho

LISPOA

Lisbon Humberto Delgado

Tue 10/11

10:15-16:30

2 stops33h 15m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£580

LisbonPorto Alegre

LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho

LISPOA

Lisbon Humberto Delgado

Tue 16/2

13:35-17:05

3 stops30h 30m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£606

LisbonPorto Alegre

LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho

LISPOA

Lisbon Humberto Delgado

Wed 17/3

07:35-15:20

3 stops34h 45m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£606

LisbonPorto Alegre

LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho

LISPOA

Lisbon Humberto Delgado

Tue 2/3

07:45-15:20

3 stops34h 35m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£606

LisbonPorto Alegre

LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho

LISPOA

Lisbon Humberto Delgado

Thu 25/2

13:35-12:15

3 stops25h 40m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£607

LisbonPorto Alegre

LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho

LISPOA

Lisbon Humberto Delgado

Sat 9/1

11:35-21:45

2 stops37h 10m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£621

LisbonPorto Alegre

LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho

LISPOA

Lisbon Humberto Delgado

Tue 1/12

23:20-07:40

1 stop35h 20m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£636
Fastest return journey

LisbonPorto Alegre

LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho

LISPOA

Lisbon Humberto Delgado

Sat 23/1

11:10-19:40

Nonstop11h 30m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£640

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 21 resultsSorted by cheapest first
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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 return price

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?

Booking 7 days in advance of your planned departure date is, on average, the best time to get cheap flights from Lisbon to Porto Alegre. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 £684). Flying from Lisbon to Porto Alegre in August is currently the most expensive (average of £1,139). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lisbon to Porto Alegre as you normally would.

How much does it cost for a return flight from Lisbon to Porto Alegre?

Airfare is below average for this route at the moment.

Lisbon to Porto Alegre flights typically cost between £710 and £833 in February.
The cheapest return price found within the last 5 days was £693 on LATAM Airlines (24 Feb–3 Mar).

Related info for your journey

  • How popular is this Lisbon to Porto Alegre flight route?

    Within the past month, 1 users have taken a look at flights from Lisbon Humberto Delgado to Porto Alegre Salgado Filho.

  • How long is the flight from Lisbon to Porto Alegre?

    There are many flights that can get you from Lisbon to Porto Alegre in 11h 25m. Fly via SWISS or TAP AIR PORTUGAL to get the fastest option. There are 5464 mi between Lisbon and Porto Alegre. Both multi-stop and direct flights can be found to your destination and back.

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

    Before booking your flight to Porto Alegre from Lisbon, check out the most reliable airlines to get you to your destination on time: Azul (83%), GOL (75%), Emirates( 70%).

  • 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 holiday 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 £684). Flying from Lisbon to Porto Alegre in August is currently the most expensive (average of £1,139). 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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Porto Alegre car hire
Porto Alegre Salgado Filho Airport car hire

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