Cheap flights from Mexico City to Buenos Aires from $320

The cheapest month to fly to Buenos Aires from Mexico City is in November. Flight prices, which tend to average around $734, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Buenos Aires from Mexico City during June instead. Flights to Buenos Aires in June, while not as cheap as those in November, still average around $751.

On average, the least expensive day to fly to Buenos Aires from Mexico City is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $931. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Tuesday is $1,454.

Our most recent data shows that the best time of day to fly to Buenos Aires is in the morning. Flights from Mexico City to Buenos Aires during this time can be as low as $1,103. Try not to purchase tickets in the evening because they tend to be around $2,817. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Mexico City Benito Juarez to Buenos Aires Ministro Pistarini for the best Mexico City Benito Juarez - Buenos Aires flight prices

You are more likely to see cheaper flights to Buenos Aires from Mexico City when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $833 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Mexico City for as low as $728 on momondo.

There are 3 cabin classes available to choose from on Mexico City to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Mexico City to Buenos Aires.

As of August 2026, prices for Mexico City to Buenos Aires flights are approximately 4% cheaper when compared to flights at the same time last year.

Avianca is the most popular carrier operating from Mexico City Benito Juarez to Buenos Aires

Aeromexico, Avianca and LATAM Airlines are the top three most popular airlines that fly to Buenos Aires from Mexico City according to our data. Aeromexico is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 5 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Mexico City and Buenos Aires have experienced a delay on any given week. The average delay length over the past 12 months has been 111 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Aeromexico have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

Punta Cana (PUJ) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Flights via Lima (LIM) offer the lowest average round-trip price of $687.

Flights connecting via Bogotá (BOG) have the shortest average one-way travel time: 12h 10m.

Bogotá (BOG) has the shortest average layover time for this route: 1h 40m.

As of August 2026, there are 1 flights per day flying from Mexico City to Buenos Aires. The most common time of day flights depart is 9:00AM, with 100% of flights taking off at noon.

The number of flights available between Mexico City and Buenos Aires is 10 per week as of August 2026. The most frequent departure day is Tue, with 20% of weekly flights leaving on this day.