Cheap flights from Mendoza to Buenos Aires from $39

The cheapest month to fly to Buenos Aires from Mendoza is in June. Flight prices, which tend to average around $31, 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 Mendoza during December instead. Flights to Buenos Aires in December, while not as cheap as those in June, still average around $33.

On average, the least expensive day to fly to Buenos Aires from Mendoza is on a Thursday. momondo users have found tickets for Thursday departures for as low as $130. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Sunday is $340.

Our most recent data shows that the best time of day to fly to Buenos Aires is in the evening. Flights from Mendoza to Buenos Aires during this time can be as low as $131. Try not to purchase tickets at noon because they tend to be around $200. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Mendoza El Plumerillo to Buenos Aires Jorge Newbery for the best Mendoza El Plumerillo - Buenos Aires flight prices

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

As of June 2026, prices for Mendoza to Buenos Aires flights are approximately 17% cheaper when compared to flights at the same time last year.

Flybondi, Aerolineas Argentinas, and JetSMART are the most popular carriers operating from Mendoza El Plumerillo to Buenos Aires

Aerolineas Argentinas, Flybondi and JetSMART are the top three most popular airlines that fly to Buenos Aires from Mendoza according to our data. Aerolineas Argentinas is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 3 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 18% of flights between Mendoza and Buenos Aires have experienced a delay on any given week. The average delay length over the past 12 months has been 110 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.

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

According to our data, Aerolineas Argentinas have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

The number of flights available between Mendoza and Buenos Aires is 13 per day as of June 2026. The most frequent departure time is 7:00AM, with 46% of daily flights leaving at noon.

95 flights are operational weekly from Mendoza to Buenos Aires as of June 2026. The most popular departure day for this route is Sun, with 43% of flights per week taking off on this day.