Cheap flights from Mexico City to Buenos Aires from $467 MEX, NLU, TLC → 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 $616 to $804.

At $1,092, the cheapest return found recently is above that range.

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

Could nearby dates be cheaper?

We hold no other 2-night return fares leaving within 3 days of 16 Nov to compare.

Every date we hold

187 fares on 7 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $746.

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 $269 to $569.

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 15 Feb 2027 to compare.

Every date we hold

94 fares on 7 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $287.

Return

Fares 30 to 59 days before departure were typically 38% 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 60 to 89 days before departure were typically 26% lower than 30 to 59 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 Mexico City to Buenos Aires?

The cheapest return found recently is $1,092 with Aeromexico, 16 Nov to 18 Nov, found 2 days ago. The cheapest return we hold, of any age, is $746 with Copa Airlines, 29 Dec to 13 Jan 2027, found 5 days ago. The cheapest return fare on each of 7 departure dates is usually $790 to $1,029.

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

The cheapest one-way found recently is $467 with Volaris, 15 Feb 2027, found 3 days ago. The cheapest one-way we hold, of any age, is $287 with LATAM Airlines Group, 8 Jan 2027, found 5 days ago. The cheapest one-way fare on each of 7 departure dates is usually $309 to $343.

What is the cheapest month to fly from Mexico City to Buenos Aires?

December 2026 is the cheapest month for a return, from $746, 29 Dec to 13 Jan 2027, found 5 days ago. January 2027 is the cheapest month for a one-way, from $287, 8 Jan 2027, found 5 days ago.

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

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 38% lower than 0 to 6 days before departure. One-way fares 60 to 89 days before departure were typically 26% lower than 30 to 59 days before departure.

Is there a direct flight from Mexico City to Buenos Aires?

Yes, the cheapest nonstop return found recently is $2,723 with Aeromexico, 16 Nov to 19 Nov, found 2 days ago. The cheapest nonstop one-way found recently is $788 with Aeromexico, 15 Feb 2027, found 3 days ago.

How long is the flight from Mexico City to Buenos Aires?

The cheapest nonstop one-way found recently, with Aeromexico on 15 Feb 2027, takes 9 h 20 min from Benito Juarez International Airport (MEX) to Ministro Pistarini Airport (EZE). The cheapest one-way found recently, with Volaris on 15 Feb 2027, takes 27 h 20 min with 1 stop, including a 17 h connection.

Which airlines have the cheapest flights from Mexico City to Buenos Aires?

Between 16 Nov and 10 Jun 2027, Arajet has the cheapest return on 3 of the 7 departure dates we hold, Aeromexico on 1 and avianca airlines on 1. Between 4 Jan 2027 and 19 Jun 2027, LATAM Airlines Group has the cheapest one-way on 3 of the 7 departure dates we hold, Arajet on 3 and Volaris on 1.