Cheap flights from Puerto Iguazú to Buenos Aires from $42

The cheapest month to fly to Buenos Aires from Puerto Iguazú is in March. Flight prices, which tend to average around $91, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Buenos Aires from Puerto Iguazú during August instead. Flights to Buenos Aires in August, while not as cheap as those in March, still average around $93.

On average, the least expensive day to fly to Buenos Aires from Puerto Iguazú is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $80. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Monday is $119.

Our most recent data shows that the best time of day to fly to Buenos Aires is in the afternoon. Flights from Puerto Iguazú to Buenos Aires during this time can be as low as $97. Try not to purchase tickets at noon because they tend to be around $133. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Puerto Iguazú Cataratas del Iguazu to Buenos Aires Jorge Newbery for the best Puerto Iguazú Cataratas del Iguazu - Buenos Aires flight prices

There is only 1 cabin class available to choose from on Puerto Iguazú 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 October 2026, prices for Puerto Iguazú to Buenos Aires flights are approximately 28% cheaper when compared to flights at the same time last year.

Aerolineas Argentinas and JetSMART are the most popular carriers operating from Puerto Iguazú Cataratas del Iguazu to Buenos Aires

JetSMART, Flybondi and Aerolineas Argentinas are the top three most popular airlines that fly to Buenos Aires from Puerto Iguazú according to our data. JetSMART is the first choice among our users, with 39% 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 21% of flights between Puerto Iguazú and Buenos Aires have experienced a delay on any given week. The average delay length over the past 12 months has been 121 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.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday 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 20% of their flights experiencing any sort of delay.

As of October 2026, 7 flights take off from Puerto Iguazú and land in Buenos Aires each day. The most common flight departure time for this route is 9:00PM, with 39% of daily flights taking off in the afternoon.

As of October 2026, there are 52 flights per week flying from Puerto Iguazú to Buenos Aires. The most common day of the week flights depart is Thu, with 79% of flights taking off on this day.