Cheap flights from Buenos Aires to Porto Alegre
from 223 US$

Compare hundreds of airlines Buenos Aires–Porto Alegre

We search 100+ flight sitesDirect flights~1h 34mReturn route: Porto Alegre → Buenos Aires

The cheapest month is usually 2026-09 · 223 US$

Live fares from 100+ sites — free, with no hidden fees.

About this route

Compare flights from Buenos Aires to Porto Alegre, a about 849 km route (around 1h 34m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Aerolineas Argentinas, Gol Transportes Aéreos, LATAM Airlines Brasil operate this route.

Nonstop time

1h 34m

Distance

849 km

Stops

Nonstop

Airlines

The airports on this route

Buenos Aires

Aeropuerto Internacional de Ezeiza (Ministro Pistarini)EZE

About 30 km from central Buenos Aires

Getting around: Direct buses, remises, taxis and apps

The long-haul international gateway; allow 45–75 min to the center.

Buenos Aires

Aeroparque Jorge NewberyAEP

About 6 km from downtown, on the riverfront

Getting around: Taxis, apps, city buses and remises

Domestic and regional, right in the city: usually the convenient one within the Southern Cone.

Porto Alegre

Aeropuerto Internacional Salgado FilhoPOA

About 6 km from downtown Porto Alegre

Getting around: Taxis, apps and buses

When to buy and when to fly

Prices by date

Fares found by date — cheapest days in green.

See prices for my dates →

224 US$

28/09

223 US$

29/09

How to get the best price

1The sticker price is real — but it moves fastLow fares last hours or days. If the number works, search it today; waiting rarely improves it.

2Buy 4–8 weeks aheadThat window usually holds the best fares; holidays call for even more margin.

3Flexibility = moneyShifting departure 2–3 days can move the fare 100+ US$. Tuesdays and Wednesdays tend to be cheap.

Airlines on this route

Aerolineas Argentinas Gol Transportes Aéreos LATAM Airlines Brasil

FAQ

What's the cheapest month to fly Buenos Aires to Porto Alegre?

It's usually 2026-09, from 223 USD. Use the price calendar to compare other dates.

How long is the flight from Buenos Aires to Porto Alegre?

A nonstop flight takes about 1h 34m and covers around 849 km. Connecting itineraries take longer.

Are there direct flights from Buenos Aires to Porto Alegre?

Yes, this route has nonstop flights. Filter by "nonstop" to see them.

Which airlines fly from Buenos Aires to Porto Alegre?

Aerolineas Argentinas, Gol Transportes Aéreos, LATAM Airlines Brasil operate this route, among others. Compare them all in the results.

When should I book Buenos Aires–Porto Alegre flights?

As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.