Cheap flights from Foz do Iguaçu to Buenos Aires from $188 IGU → AEP, EZE

Found recently, and the cheapest we hold

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 45 days, 28 Sept to 11 Nov, the cheapest return we saw each day was $423 to $566.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 3-night return fares leaving within 3 days of 1 May 2027 to compare.

Every date we hold

2 fares on 2 departure dates

Which month looks cheapest?

May 2027 is the cheapest month — from $468.

Found recently, and the cheapest we hold

What have prices looked like?

Over 48 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $132 to $290.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 1 Jan 2027 to compare.

Every date we hold

3 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $174.

Return

Fares 90 to 179 days before departure were typically 22% lower than 0 to 6 days before departure.

From the cheapest return each day between 28 Sept and 11 Nov (45 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 60 to 89 days before departure were typically 19% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (48 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Foz do Iguaçu to Buenos Aires?

The cheapest return found recently is $468 with Azul Airlines, 1 May 2027 to 4 May 2027, found 5 days ago.

How much is a one-way flight from Foz do Iguaçu to Buenos Aires?

The cheapest one-way found recently is $188 with Azul Airlines, 1 Jan 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $174 with JetSmart, 5 Dec, found 6 days ago. The cheapest one-way fare on each of 3 departure dates is usually $181 to $214.

What is the cheapest month to fly from Foz do Iguaçu to Buenos Aires?

May 2027 is the cheapest month for a return, from $468, 1 May 2027 to 4 May 2027, found 5 days ago. December 2026 is the cheapest month for a one-way, from $174, 5 Dec, found 6 days ago.

How far ahead should I book a flight from Foz do Iguaçu to Buenos Aires?

In 45 days of prices between 28 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 22% lower than 0 to 6 days before departure. In 48 days of prices between 24 Sept and 11 Nov, one-way fares 60 to 89 days before departure were typically 19% lower than 0 to 6 days before departure.

How long is the flight from Foz do Iguaçu to Buenos Aires?

The cheapest one-way found recently, with Azul Airlines on 1 Jan 2027, takes 33 h 5 min with 1 stop.

Which airlines have the cheapest flights from Foz do Iguaçu to Buenos Aires?

Between 5 Dec and 1 Jun 2027, JetSmart has the cheapest one-way on 1 of the 3 departure dates we hold, Azul Airlines on 1 and Gol Transportes Aéreos on 1.