Cheap flights from Mendoza to Buenos Aires from $38 MDZ → AEP, EZE

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $74 to $108.

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

Could nearby dates be cheaper?

We hold no other 7-night return fares leaving within 3 days of 2 Dec to compare.

Every date we hold

153 fares on 11 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $76.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $32 to $48.

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

Could nearby dates be cheaper?

No. We hold one-way fares on 3 other departure dates within 3 days of 31 Dec, and none is cheaper.

Every date we hold

32 fares on 28 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $34.

Return

Fares 30 to 59 days before departure were typically 31% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 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 30 to 59 days before departure were typically 35% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 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 Mendoza to Buenos Aires?

The cheapest return found recently is $89 with JetSmart, 2 Dec to 9 Dec, found 2 days ago. The cheapest return we hold, of any age, is $76 with JetSmart, 19 Dec to 24 Dec, found 7 days ago. The cheapest return fare on each of 11 departure dates is usually $145 to $176.

How much is a one-way flight from Mendoza to Buenos Aires?

The cheapest one-way found recently is $38 with JetSmart, 31 Dec, found 2 days ago. The cheapest one-way we hold, of any age, is $34 with JetSmart, 19 Dec, found 7 days ago. The cheapest one-way fare on each of 28 departure dates is usually $54 to $80.

What is the cheapest month to fly from Mendoza to Buenos Aires?

December 2026 is the cheapest month for a return, from $76, 19 Dec to 24 Dec, found 7 days ago. It is the cheapest month for a one-way too, from $34, 19 Dec, found 7 days ago.

Every date in December 2026

How far ahead should I book a flight from Mendoza to Buenos Aires?

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 31% lower than 0 to 6 days before departure. One-way fares 30 to 59 days before departure were typically 35% lower than 0 to 6 days before departure.

Is there a direct flight from Mendoza to Buenos Aires?

Yes, the cheapest nonstop return found recently is $89 with JetSmart, 2 Dec to 9 Dec, found 2 days ago. The cheapest nonstop one-way found recently is $38 with JetSmart, 31 Dec, found 2 days ago.

How long is the flight from Mendoza to Buenos Aires?

The cheapest nonstop one-way found recently, with JetSmart on 31 Dec, takes 1 h 41 min from El Plumerillo International Airport (MDZ) to Jorge Newbery Airport (AEP).

Which airlines have the cheapest flights from Mendoza to Buenos Aires?

Between 18 Nov and 28 Dec, JetSmart has the cheapest return on 9 of the 11 departure dates we hold, and Aerolineas Argentinas on 2. Between 13 Nov and 9 Feb 2027, JetSmart has the cheapest one-way on 21 of the 28 departure dates we hold, and Aerolineas Argentinas on 7.