Cheap flights from Mexico City to Buenos Aires from $322

The cheapest month to fly to Buenos Aires from Mexico City is in June. Flight prices, which tend to average around $303, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Buenos Aires from Mexico City during November instead. Flights to Buenos Aires in November, while not as cheap as those in June, still average around $714.

On average, the least expensive day to fly to Buenos Aires from Mexico City is on a Friday. momondo users have found tickets for Friday departures for as low as $864. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Saturday is $1,157.

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 $1,009. 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 $815 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 $669 on momondo.

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

As of May 2026, prices for Mexico City to Buenos Aires flights are approximately 21% more expensive when compared to flights at the same time last year.

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 122 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. Saturday 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.

Bogotá (BOG) was the most common stop: 44% of momondo users choosing 1-stop flights on this route connected there.

Flights via Lima (LIM) offer the lowest average round-trip price of $623.

Flights connecting via Bogotá (BOG) have the shortest average one-way travel time: 12h 48m.

Bogotá (BOG) has the shortest average layover time for this route: 1h 58m.