There are most likely no direct flights on the Lisbon — Porto Alegre route
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Lisbon to Porto Alegre. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Lisbon to Porto Alegre, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The minimum one-way ticket price from Lisbon to Porto Alegre is $471 (March 2027), while the maximum is $716 (December 2026). On average, a ticket costs $556–$570.
On the Lisbon — Porto Alegre route, prices first decline, hit a low, then start rising again. The middle of the period creates a price window — the best time to book.
Prices fall from December 2026 to March 2027 (34%), then rise from August 2026 to December 2026 (+29%). The best period is January 2027–March 2027 ($503), the most expensive is August 2026–December 2026 ($636).
The best time to buy is January 2027–March 2027, when prices are at their lowest. This can save you up to 21% compared to the expensive months (August 2026–December 2026).
Monthly price variation is 15.8%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.
There are most likely no direct flights on the Lisbon — Porto Alegre route
Lisbon — Porto Alegre
12/19/2026
Departure
Direct flight
TP117
starting at $2,917
starting at $2,917
starting at $766
The route Lisbon — Porto Alegre is served by several airlines: TAP Portugal and LATAM Chile. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $766 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest flight ticket from Lisbon to Porto Alegre according to data for the last 48 hours costs $766
Often the best time to buy tickets from Lisbon to Porto Alegre is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Lisbon to Porto Alegre can be found flying in these months: March, January, August.
The fastest flights from Lisbon to Porto Alegre start from 23 hours 10 minutes in the air.
The following airlines operate direct flights on the route Lisbon — Porto Alegre: TAP Portugal
The cheapest one-way flight from Lisbon to Porto Alegre departs on 12/19/2026, is operated by LATAM Chile and costs $766
There is no information about the cheapest roundtrip flight from Lisbon to Porto Alegre
Fastest flight from Lisbon to Porto Alegre takes 23h 10m
There are direct flights on this route 1 day a week: Sa
The distance between Lisbon and Porto Alegre is 8793km (5452 miles). There are 7 direct flights from Lisbon to Porto Alegre. The time difference between Lisbon and Porto Alegre is 3h. Flights from Lisbon begin at 1:05 PM. The latest flight from Lisbon departs at 3:15 PM
We couldn't find any special offers for flights from Lisbon to Porto Alegre