$520+ Cheap flights from Lisbon (LIS) to Porto Alegre (POA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — POA
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Lisbon to Porto Alegre with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Lisbon to Porto Alegre
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One-way
Cheapest flights from Lisbon to Porto AlegreExplore the most affordable flight options available from Lisbon to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Lisbon to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This Gotogate deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:00 am -
1 stop18h 15m
Tue 10/1310:25 am -
1 stop16h 15m
Deal found 9/8![Azul logo]()
$896
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:10 pm -
1 stop15h 05m
Thu 11/123:15 pm -
1 stop15h 55m
Deal found 9/5![Azul logo]()
$950
This Air France deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates ” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:30 am -
2 stops29h 40m
Tue 12/12:15 pm -
2 stops25h 35m
Deal found 9/6![Multiple Airlines logo]()
$970
This Gotogate deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:00 pm -
1 stop15h 15m
Tue 10/2010:25 am -
1 stop16h 40m
Deal found 9/6![Azul logo]()
$987
This Gotogate deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:30 pm -
1 stop14h 20m
Thu 11/122:15 pm -
2 stops28h 25m
Deal found 9/5![GOL logo]()
$1,006
This Expedia deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:35 pm -
2 stops26h 25m
Tue 10/133:30 pm -
1 stop15h 30m
Deal found 9/8![Multiple Airlines logo]()
$1,016
This FlightHub deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:50 pm -
1 stop25h 25m
Wed 1/274:50 pm -
1 stop15h 30m
Deal found 9/5![LATAM Airlines logo]()
$1,017
This LATAM Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:35 pm -
2 stops16h 55m
Tue 12/86:00 am -
2 stops21h 20m
Deal found 9/5![LATAM Airlines logo]()
$1,019
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:00 am -
1 stop14h 00m
Sun 1/249:10 pm -
1 stop34h 05m
Deal found 9/5![Multiple Airlines logo]()
$1,020
This LATAM Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:50 am -
1 stop15h 40m
Tue 1/263:30 am -
1 stop23h 50m
Deal found 9/5![LATAM Airlines logo]()
$1,022
This Gotogate deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:05 pm -
2 stops25h 55m
Wed 1/2710:40 am -
2 stops17h 10m
Deal found 9/5![Air Europa logo]()
$1,026
This LATAM Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:50 am -
1 stop16h 55m
Fri 1/296:15 am -
1 stop21h 05m
Deal found 9/5![LATAM Airlines logo]()
$1,027
Best flights from Lisbon to Porto AlegreDiscover carefully curated flight deals from Lisbon to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Lisbon to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Air Europa deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:05 pm -
2 stops21h 55m
Tue 1/265:40 am -
2 stops22h 10m
Deal found 9/5![Air Europa logo]()
$1,067
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:10 am -
Nonstop11h 30m
Tue 12/19:10 pm -
Nonstop10h 45m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$1,096
This KLM deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:45 pm -
2 stops31h 40m
Tue 10/204:20 pm -
2 stops22h 25m
Deal found 9/6![KLM logo]()
$1,261
This GOL deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/811:35 pm -
1 stop21h 25m
Sun 12/2712:20 am -
2 stops18h 20m
Deal found 9/9![GOL logo]()
$1,314
This Air Europa deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:05 pm -
2 stops23h 25m
Mon 1/2510:40 am -
2 stops17h 10m
Deal found 9/5![Air Europa logo]()
$1,101
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:45 am -
1 stop15h 00m
Sat 11/149:10 pm -
Nonstop10h 45m
Deal found 9/9![TAP AIR PORTUGAL logo]()
$1,158
This Air Europa deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:05 pm -
2 stops17h 55m
Sun 1/2411:00 am -
2 stops16h 50m
Deal found 9/5![Air Europa logo]()
$1,101
This Air Europa deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:05 pm -
2 stops21h 30m
Fri 1/2910:40 am -
2 stops21h 05m
Deal found 9/5![Air Europa logo]()
$1,101
This Air Europa deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:05 pm -
2 stops21h 10m
Sat 1/308:40 am -
2 stops19h 10m
Deal found 9/5![Air Europa logo]()
$1,136
This Air Europa deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:05 pm -
2 stops17h 55m
Mon 1/2510:40 am -
2 stops17h 10m
Deal found 9/5![Air Europa logo]()
$1,300
This Air Europa deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:05 pm -
2 stops20h 55m
Thu 10/298:35 am -
2 stops27h 40m
Deal found 9/9![Air Europa logo]()
$1,301
Last-minute flights from Lisbon to Porto AlegreDiscover last-minute flight deals from Lisbon to Porto Alegre. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to Porto Alegre. Data last updated September 9, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:00 am -
2 stops22h 40m
Wed 9/236:15 pm -
2 stops24h 10m
Deal found 9/8![Multiple Airlines logo]()
$1,157
This KLM deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:00 am -
2 stops22h 40m
Wed 9/236:45 pm -
2 stops24h 05m
Deal found 9/7![KLM logo]()
$1,158
This Expedia deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:25 am -
1 stop19h 50m
Sun 10/119:50 pm -
1 stop29h 20m
Deal found 9/6![LATAM Airlines logo]()
$1,128
This Gotogate deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:00 am -
1 stop18h 15m
Tue 10/1310:25 am -
1 stop16h 15m
Deal found 9/8![Azul logo]()
$896
This Expedia deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:35 pm -
2 stops26h 25m
Tue 10/133:30 pm -
1 stop15h 30m
Deal found 9/8![Multiple Airlines logo]()
$1,016
This Expedia deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:35 pm -
2 stops26h 25m
Tue 10/137:35 pm -
2 stops31h 35m
Deal found 9/8![LATAM Airlines logo]()
$1,119
This Gotogate deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:00 pm -
1 stop15h 15m
Tue 10/2010:25 am -
1 stop16h 40m
Deal found 9/6![Azul logo]()
$987
This Expedia deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:45 am -
2 stops30h 35m
Tue 10/209:05 am -
1 stop18h 00m
Deal found 9/6![Multiple Airlines logo]()
$1,122
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:30 pm -
1 stop27h 55m
Tue 11/109:10 pm -
Nonstop10h 45m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$1,138
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:30 pm -
1 stop14h 20m
Sat 11/149:10 pm -
Nonstop10h 45m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$1,144
One-way flights from Lisbon to Porto AlegreSearch for one-way flight options from Lisbon to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Lisbon to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:35 pm -
1 stop35h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![GOL logo]()
$520
This Expedia deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:35 pm -
2 stops27h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![LATAM Airlines logo]()
$538
This Expedia deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:15 am -
1 stop18h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Azul logo]()
$544
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:00 am -
1 stop26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Azul logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:40 pm -
3 stops45h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$565
This Expedia deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:05 pm -
1 stop15h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Azul logo]()
$576
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:50 am -
2 stops16h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![LATAM Airlines logo]()
$587
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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $896 (Gotogate) |
One-way from | $520 (Trip.com) |
Popular in | August |
Cheapest in | May |
Average price | $1,134 |
Cheapflights Fare Finder
Customize your flight search to find flights from Lisbon to Porto Alegre that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Lisbon to Porto Alegre that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LisbonPorto Alegre
LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho
LISPOA
Lisbon Humberto Delgado
Tue 11/10
11:10 am-7:40 pm
Nonstop11h 30m
Porto Alegre Salgado Filho
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$671
LisbonPorto Alegre
LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho
LISPOA
Lisbon Humberto Delgado
Sat 11/14
11:30 pm-8:15 pm
1 stop23h 45m
Porto Alegre Salgado Filho
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$685
LisbonPorto Alegre
LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho
LISPOA
Lisbon Humberto Delgado
Tue 12/1
11:10 am-7:40 pm
Nonstop11h 30m
Porto Alegre Salgado Filho
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$688
LisbonPorto Alegre
LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho
LISPOA
Lisbon Humberto Delgado
Sat 11/14
11:10 am-7:40 pm
Nonstop11h 30m
Porto Alegre Salgado Filho
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$800
LisbonPorto Alegre
LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho
LISPOA
Lisbon Humberto Delgado
Fri 10/2
12:55 pm-10:45 pm
1 stop13h 50m
Porto Alegre Salgado Filho
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$821
Quickest round-trip
LisbonPorto Alegre
LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho
LISPOA
Lisbon Humberto Delgado
Thu 10/8
1:05 pm-8:25 pm
Nonstop11h 20m
Porto Alegre Salgado Filho
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$823
LisbonPorto Alegre
LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho
LISPOA
Lisbon Humberto Delgado
Tue 12/8
11:10 am-7:40 pm
Nonstop11h 30m
Porto Alegre Salgado Filho
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$877
LisbonPorto Alegre
LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho
LISPOA
Lisbon Humberto Delgado
Wed 11/11
8:05 pm-3:00 pm
2 stops21h 55m
Porto Alegre Salgado Filho
Tue 1/26
5:40 am-6:50 am
2 stops22h 10m
$1,067
LisbonPorto Alegre
LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho
LISPOA
Lisbon Humberto Delgado
Tue 11/10
11:10 am-7:40 pm
Nonstop11h 30m
Porto Alegre Salgado Filho
Tue 12/1
9:10 pm-10:55 am
Nonstop10h 45m
$1,096
LisbonPorto Alegre
LIS Lisbon Humberto Delgado - POA Porto Alegre Salgado Filho
LISPOA
Lisbon Humberto Delgado
Mon 11/9
8:05 pm-4:30 pm
2 stops23h 25m
Porto Alegre Salgado Filho
Mon 1/25
10:40 am-6:50 am
2 stops17h 10m
$1,101
Showing 1-10 of 18 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Lisbon-Porto Alegre flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Porto Alegre flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
LIS-POA
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
Prices
Delays
How far ahead should I book a flight from Lisbon to Porto Alegre?
To ensure you get the cheapest price possible for a flight from Lisbon to Porto Alegre, you should look to book at least 7 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 $922). Flying from Lisbon to Porto Alegre in August is currently the most expensive (average of $1,534). 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 September 9, 2026.
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 often are flights from Lisbon to Porto Alegre delayed?
About 33% of weekly flights between Lisbon and Porto Alegre have experienced delays in the past year, with the average delay time being 140 minutes.
What is the most punctual flight time for Lisbon to Porto Alegre flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Lisbon to Porto Alegre flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 33% of flights being delayed.
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