Cheap Flights from Buenos Aires to Porto Alegre

Cheapest flights from Buenos Aires to Porto Alegre

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 Buenos Aires 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.

Cheapest one way flight

$205

Aerolineas Argentinas

Direct flight

1h 40m

10/15/2026

The cheapest one-way flight from Buenos Aires to Porto Alegre departs on 10/15/2026, is operated by Aerolineas Argentinas and costs $205

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Buenos Aires to Porto Alegre

The fastest flight

1h 30m

Fastest flight from Buenos Aires to Porto Alegre takes 1h 30m

Direct flights

Every day

There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa

Earliest flight

5:40 AM

Latest flight

7:00 PM

Direct flights count

17

Distance

842km

Timezone difference

0h

The distance between Buenos Aires and Porto Alegre is 842km (522 miles). There are 17 direct flights from Buenos Aires to Porto Alegre. Buenos Aires and Porto Alegre are in the same time zone. Flights from Buenos Aires begin at 5:40 AM. The latest flight from Buenos Aires departs at 7:00 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Buenos Aires to Porto Alegre by month

The cost of a one-way flight from Buenos Aires to Porto Alegre ranges from $206 (April 2027) to $255 (September 2026). On average, the ticket price is about $223–$462.

April 2027

Lowest price

on average:

$206

September 2026

Highest price

on average:

$255

Avg Price

Price dynamics

Flight costs on the Buenos Aires — Porto Alegre route are confidently going down. From September 2026 to April 2027, prices fell from $255 to $206 — a 19% decrease. A welcome trend for travelers.

Cheaper and more expensive periods

The most notable drop occurred from September 2026 to April 2027 — down 19%. The best period is January 2027–April 2027 (averaging $206), while the most expensive is September 2026–January 2027 ($231).

Best time to buy

Since prices are falling, there's no rush to buy. The most cost-effective travel period is January 2027–April 2027: savings compared to expensive months can reach up to 11%.

Price predictability

Monthly price variation is 10.3%. Choosing the right departure date can lead to significant savings on this route.

Airlines operating on route

Flights from Buenos Aires to Porto Alegre are operated by several airlines — Aerolineas Argentinas, LATAM Chile, and Gol Transportes Aéreos. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $205, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.

Aerolineas Argentinas

starting at $205

LATAM Chile

starting at $227

Gol Transportes Aéreos

starting at $255

Non-stop flights from Buenos Aires to Porto Alegre

A non-stop flight is the most convenient and comfortable way to fly from Buenos Aires to Porto Alegre, despite the fact that sometimes flights with transfers can cost significantly less.

Buenos Aires — Porto Alegre

BUE — POA

09/12/2026

Departure

Direct flight

AR1230

starting at $369

Buenos Aires — Porto Alegre

BUE — POA

09/13/2026

Departure

Direct flight

AR1232

starting at $425

Buenos Aires — Porto Alegre

BUE — POA

10/12/2026

Departure

Direct flight

AR1230

starting at $505

Buenos Aires — Porto Alegre

BUE — POA

10/13/2026

Departure

Direct flight

AR1232

starting at $1,781

Buenos Aires — Porto Alegre

BUE — POA

10/14/2026

Departure

Direct flight

LA8129

starting at $267

Buenos Aires — Porto Alegre

BUE — POA

10/15/2026

Departure

Direct flight

AR1232

starting at $205

Buenos Aires — Porto Alegre

BUE — POA

10/16/2026

Departure

Direct flight

LA8129

starting at $229

Buenos Aires — Porto Alegre

BUE — POA

10/18/2026

Departure

Direct flight

AR1557

starting at $634

Buenos Aires — Porto Alegre

BUE — POA

10/19/2026

Departure

Direct flight

AR1230

starting at $601

Buenos Aires — Porto Alegre

BUE — POA

11/13/2026

Departure

Direct flight

LA8129

starting at $362

Schedule of direct flights from Buenos Aires to Porto Alegre

There are most likely no direct flights on the Buenos Aires — Porto Alegre route

Buenos Aires airports overview

Jorge Newbery Airport

•

AEP

8km

Serving Buenos Aires and the Río de la Plata waterfront, handles mainly domestic and regional flights with quick access to downtown and frequent connections across Argentina and neighboring countries.

Ministro Pistarini Airport

•

EZE

28km

Serves Buenos Aires as the primary international gateway, situated about 22 km southwest of the city; handles most long‑haul passenger and cargo flights.

•

Porto Alegre airports overview

Salgado Filho International Airport

•

POA

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Buenos Aires to Porto Alegre?

The cheapest flight ticket from Buenos Aires to Porto Alegre according to data for the last 48 hours costs $205

When is the best time to buy air tickets on the route Buenos Aires — Porto Alegre?

Often the best time to buy tickets from Buenos Aires to Porto Alegre is 2 months before departure.

When is the cheapest time of year to fly from Buenos Aires to Porto Alegre?

Based on statistics over the past years, the lowest prices for flights from Buenos Aires to Porto Alegre can be found flying in these months: April, January, September.

How long does it take to fly from Buenos Aires to Porto Alegre?

The fastest flights from Buenos Aires to Porto Alegre start from 1 hour 30 minutes in the air.

Which airline can fly direct from Buenos Aires to Porto Alegre?

The following airlines operate direct flights on the route Buenos Aires — Porto Alegre: Aerolineas Argentinas, LATAM Chile

Special offers and sales on air tickets from Buenos Aires to Porto Alegre

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.

We couldn't find any special offers for flights from Buenos Aires to Porto Alegre

Alternative routes

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Cheapest one way flight

$205

Aerolineas Argentinas

Direct flight

1h 40m

10/15/2026

The cheapest one-way flight from Buenos Aires to Porto Alegre departs on 10/15/2026, is operated by Aerolineas Argentinas and costs $205

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Buenos Aires to Porto Alegre

The fastest flight