Cheap Flights from Porto Alegre to Buenos Aires
Browse current best options from Porto Alegre. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Porto Alegre
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Prices updated 24 days ago
486,190 searches this week
171 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Porto Alegre to Buenos Aires
Explore current cheapest deals departing from Porto Alegre to Buenos Aires
Round trip
Sort by: Cheapest
October 23 - October 30
POA - Buenos Aires
$391
$327
Round trip
June 22 - June 24
POA - Buenos Aires
$430
$328
Round trip
July 9 - July 14
POA - Buenos Aires
$353
$332
Round trip
June 22 - June 28
POA - Buenos Aires
$503
$340
Round trip
June 22 - June 29
POA - Buenos Aires
$503
$340
Round trip
October 4 - October 10
POA - Buenos Aires
$251
$340
Round trip
July 9 - July 11
POA - Buenos Aires
$362
$340
Round trip
September 27 - October 3
POA - Buenos Aires
$238
$340
Round trip
September 28 - October 3
POA - Buenos Aires
$244
$340
Round trip
October 4 - October 12
POA - Buenos Aires
$244
$340
Round trip
Unlock all 500+ flight deals to Buenos Aires and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Porto Alegre to Buenos Aires
How much is a round trip from Porto Alegre to Buenos Aires
Regular price: $316 - $772
Prices for flights from Porto Alegre to Buenos Aires are currently within the regular range.
The regular price range for flights from Porto Alegre to Buenos Aires is between $316 and $772. The current lowest deal is $327 with LATAM Chile, for travel from Oct 23-Oct 30.
now $327
Low $316
High $772
The cheapest time to fly from Porto Alegre to Buenos Aires
The cheapest month to fly from POA to BUE is October, with a median price of $142. The most expensive month is August, with a median price of $329. Prices are generally lower from January to December.
October
Flights from $142
August
Flights from $329
Direct flights from Porto Alegre to Buenos Aires
LATAM Chile
Last-minute flights going from Porto Alegre to Buenos Aires
Thu, Jun 18
POA - Buenos Aires
Porto Alegre (POA) - Buenos Aires (AEP)
LATAM Chile
$586
$353
One-way
Thu, Jun 18
POA - Buenos Aires
Porto Alegre (POA) - Buenos Aires (AEP)
LATAM Chile
$476
$375
One-way
Thu, Jun 18
POA - Buenos Aires
Porto Alegre (POA) - Buenos Aires (AEP)
City Connexion Airlines
$581
$378
One-way
Thu, Jun 18
POA - Buenos Aires
Porto Alegre (POA) - Buenos Aires (AEP)
City Connexion Airlines
$507
$381
One-way
Thu, Jun 18
POA - Buenos Aires
Porto Alegre (POA) - Buenos Aires (AEP)
Aerolíneas Argentinas
$493
$388
One-way
Fri, Jun 19
POA - Buenos Aires
Porto Alegre (POA) - Buenos Aires (AEP)
LATAM Chile
$507
$345
One-way
Biggest price drops on these dates for flights from Porto Alegre to Buenos Aires
Jun 18 - Jun 20
$586 → $353
40%
Jun 21 - Jun 23
$581 → $362
38%
Jun 19 - Jun 20
$588 → $371
37%
Jun 20 - Jun 23
$555 → $348
37%
Popular Airports to fly from Porto Alegre to Buenos Aires
Porto Alegre - Buenos Aires route insights
💸 Price insights
Recent fares are near the typical level.
Recent fares from Porto Alegre to Buenos Aires are near the typical level of $196.
📅 Best time to fly
October is historically the cheapest month to fly.
Historically, the cheapest month to fly from Porto Alegre to Buenos Aires is October, with a median price of $142.
⏱️ Flight duration
Flights typically take 7h 20m.
The median flight duration from Porto Alegre to Buenos Aires is 7h 20m.
✈️ Airlines & availability
Connecting flights are dominant on this route.
Only 21.8% of recent deals from Porto Alegre to Buenos Aires are direct flights.
🏆 Airline highlight
LATAM Chile offers direct flights.
LATAM Chile has offered direct flights from Porto Alegre to Buenos Aires.
🎯 Booking tip
Deals appear frequently for this route.
Historically, deals for flights from Porto Alegre to Buenos Aires appear frequently, about 0.73 times per day.
Porto Alegre main airports to depart from
Salgado Filho International (POA)
Porto Alegre's main airport, Salgado Filho International, offers the cheapest flights to Buenos Aires.
📍 ~7 km from city center (reachable by car)
💸 Flights from ~$327
Buenos Aires main airports to arrive at
Aeroparque Jorge Newbery (AEP)
Fly into Aeroparque Jorge Newbery for convenient access to Buenos Aires, often with cheaper flights from Porto Alegre.
📍 ~5 km from Buenos Aires city center (reachable by car)
💸 Flights from ~$327
Ministro Pistarini International (EZE)
Arrive at Ministro Pistarini International for international travel to Buenos Aires from Porto Alegre.
📍 ~25 km from Buenos Aires city center (reachable by car)
💸 Flights from ~$342
Airports nearby Buenos Aires used as alternative
Carrasco International (MVD)
Carrasco International is a reliable alternative for long-haul flights when Buenos Aires is congested or expensive.
📍 ~200 km from Buenos Aires (reachable by ferry and car)
💸 Flights from ~$298
Rosario – Islas Malvinas International (ROS)
Rosario – Islas Malvinas International is the largest regional airport near Buenos Aires within Argentina.
📍 ~280 km from Buenos Aires (reachable by car or bus)
💸 Flights from ~$357
Astor Piazzolla International (MDQ)
Astor Piazzolla International is a major domestic hub with consistent service to other Argentine cities.
📍 ~400 km from Buenos Aires (reachable by train, bus, or car)
💸 Flights from ~$398
Capitán de Corbeta Carlos A. Curbelo International (PDP)
Capitán de Corbeta Carlos A. Curbelo International is an alternative gateway to Uruguay with high-quality facilities.
📍 ~220 km from Buenos Aires (reachable by ferry and car)
💸 Flights from ~$444
Sauce Viejo (SFN)
Sauce Viejo is a secondary domestic alternative within reasonable driving distance for specific connections.
📍 ~400 km from Buenos Aires (reachable by car)
💸 Flights from ~$395
Business & First Class Flight Deals to Buenos Aires
Discover luxury on the budget with premium cabin class on flights from Porto Alegre to Buenos Aires.
Elite
Best Elite deals to Buenos Aires
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From POA
Elite
Oct 23
Buenos Aires, Argentina
79% AI deal score
$1,145
$497
Save $648
From POA
Elite
Oct 23
Buenos Aires, Argentina
79% AI deal score
$1,137
$497
Save $640
From POA
Elite
Oct 23
Buenos Aires, Argentina
79% AI deal score
$1,145
$497
Save $648
From POA
Elite
Oct 23
Buenos Aires, Argentina
79% AI deal score
$1,150
$497
Save $653
From POA
Elite
Sep 29
Buenos Aires, Argentina
78% AI deal score
$1,342
$497
Save $845
From POA
Elite
Sep 29
Buenos Aires, Argentina
78% AI deal score
$1,342
$497
Save $845
From POA
Elite
Dec 14
Buenos Aires, Argentina
65% AI deal score
$628
$546
Save $82
From POA
Elite
Dec 12
Buenos Aires, Argentina
49% AI deal score
$629
$558
Save $71
From POA
Elite
Dec 12
Buenos Aires, Argentina
49% AI deal score
$635
$558
Save $77
From POA
Elite
Oct 03
Buenos Aires, Argentina
48% AI deal score
$613
$549
Save $64
From POA
Elite
Oct 04
Buenos Aires, Argentina
47% AI deal score
$609
$549
Save $60
From POA
Elite
Sep 15
Buenos Aires, Argentina
47% AI deal score
$596
$549
Save $47
From POA
Elite
Sep 29
Buenos Aires, Argentina
47% AI deal score
$594
$549
Save $45
From POA
Elite
Sep 28
Buenos Aires, Argentina
47% AI deal score
$602
$549
Save $53
From POA
Elite
Sep 29
Buenos Aires, Argentina
47% AI deal score
$598
$549
Save $49
From POA
Elite
Oct 25
Buenos Aires, Argentina
47% AI deal score
$602
$549
Save $53
From POA
Elite
Aug 04
Buenos Aires, Argentina
47% AI deal score
$601
$553
Save $48
From POA
Elite
Nov 07
Buenos Aires, Argentina
46% AI deal score
$558
From POA
Elite
Jul 27
Buenos Aires, Argentina
46% AI deal score
$558
From POA
Elite
Jun 23
Buenos Aires, Argentina
46% AI deal score
$558
From POA
Elite
Jul 27
Buenos Aires, Argentina
46% AI deal score
$558
From POA
Elite
Jul 13
Buenos Aires, Argentina
46% AI deal score
$623
From POA
Elite
Jul 31
Buenos Aires, Argentina
46% AI deal score
$623
From POA
Elite
Nov 03
Buenos Aires, Argentina
45% AI deal score
$547
From POA
Elite
Nov 07
Buenos Aires, Argentina
45% AI deal score
$547
From POA
Elite
Jul 09
Buenos Aires, Argentina
45% AI deal score
$549
From POA
Elite
Jul 07
Buenos Aires, Argentina
45% AI deal score
$549
From POA
Elite
Jul 07
Buenos Aires, Argentina
45% AI deal score
$549
From POA
Elite
Nov 03
Buenos Aires, Argentina
45% AI deal score
$549
From POA
Elite
Nov 03
Buenos Aires, Argentina
45% AI deal score
$549
From POA
Elite
Sep 23
Buenos Aires, Argentina
36% AI deal score
$2,635
From POA
Elite
Sep 01
Buenos Aires, Argentina
36% AI deal score
$2,750
From POA
Elite
Jul 26
Buenos Aires, Argentina
36% AI deal score
$2,750
From POA
Elite
Jul 21
Buenos Aires, Argentina
36% AI deal score
$2,842
From POA
Elite
Jul 10
Buenos Aires, Argentina
36% AI deal score
$2,938
From POA
Elite
Jul 11
Buenos Aires, Argentina
36% AI deal score
$2,938
From POA
Elite
Jun 24
Buenos Aires, Argentina
36% AI deal score
$3,473
From POA
Elite
Jul 17
Buenos Aires, Argentina
36% AI deal score
$3,476
From POA
Elite
Jun 24
Buenos Aires, Argentina
36% AI deal score
$3,476
From POA
Elite
Jul 09
Buenos Aires, Argentina
36% AI deal score
$3,476
From POA
Elite
Jul 06
Buenos Aires, Argentina
36% AI deal score
$3,537
From POA
Elite
Jun 29
Buenos Aires, Argentina
36% AI deal score
$3,537
From POA
Elite
Jun 22
Buenos Aires, Argentina
36% AI deal score
$3,537
From POA
Elite
Jul 08
Buenos Aires, Argentina
36% AI deal score
$3,537
From POA
Elite
Jul 07
Buenos Aires, Argentina
36% AI deal score
$3,537
From POA
Elite
Jun 30
Buenos Aires, Argentina
36% AI deal score
$3,537
From POA
Elite
Jun 23
Buenos Aires, Argentina
36% AI deal score
$3,537
From POA
Elite
Jun 28
Buenos Aires, Argentina
36% AI deal score
$3,537
From POA
Elite
Jul 04
Buenos Aires, Argentina
36% AI deal score
$3,537
From POA
Elite
Jun 20
Buenos Aires, Argentina
36% AI deal score
$3,537
From POA
Elite
Jun 27
Buenos Aires, Argentina
36% AI deal score
$3,537
From POA
Elite
Jul 05
Buenos Aires, Argentina
36% AI deal score
$3,541
From POA
Elite
Jul 06
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jul 13
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jul 10
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jun 29
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jun 22
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jul 15
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jul 08
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jul 07
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jul 14
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jun 30
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jun 23
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jul 16
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jul 12
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jun 28
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jul 04
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jun 27
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jun 20
Buenos Aires, Argentina
36% AI deal score
$3,543
From POA
Elite
Jul 05
Buenos Aires, Argentina
36% AI deal score
$3,547
From POA
Elite
Jul 18
Buenos Aires, Argentina
36% AI deal score
$3,548
From POA
Elite
Jun 18
Buenos Aires, Argentina
36% AI deal score
$3,639
From POA
Elite
Jun 18
Buenos Aires, Argentina
36% AI deal score
$4,262
From POA
Elite
Jun 24
Buenos Aires, Argentina
36% AI deal score
$4,594
From POA
Elite
Jul 09
Buenos Aires, Argentina
36% AI deal score
$4,594
From POA
Elite
Jul 06
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jul 10
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jul 13
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jun 29
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jun 22
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jul 08
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jul 15
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jul 07
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jul 14
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jun 23
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jun 30
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jun 28
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jul 12
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jul 04
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jun 20
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jun 27
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jul 11
Buenos Aires, Argentina
36% AI deal score
$4,657
From POA
Elite
Jul 05
Buenos Aires, Argentina
36% AI deal score
$4,661
From POA
Elite
Jun 18
Buenos Aires, Argentina
36% AI deal score
$4,759
From POA
Elite
Jul 17
Buenos Aires, Argentina
36% AI deal score
$5,079
From POA
Elite
Jun 24
Buenos Aires, Argentina
36% AI deal score
$5,079