Cheap flights from Miami to Buenos Aires from C$ 373

The cheapest month to fly to Buenos Aires from Miami is in September. Flight prices, which tend to average around C$ 1,062, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in September, then April is your next best option. Flight prices from Miami to Buenos Aires during April average around C$ 1,065.

The cheapest day to depart on your flight to Buenos Aires is on a Wednesday when prices can be found for as low as C$ 1,229. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Miami to Buenos Aires for around C$ 1,397.

According to our data, the cheapest time of day to fly to Buenos Aires is in the morning. momondo users have found flights departing from Miami to Buenos Aires in the morning for as low as C$ 1,138. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of C$ 1,397.

Fly from Miami to Buenos Aires Ministro Pistarini for the best Miami - Buenos Aires flight prices

You are more likely to see cheaper flights to Buenos Aires from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around C$ 1,185 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Miami for as low as C$ 1,096 on momondo.

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

You could potentially save up to 38% on your flight if you consider stops on a Miami to Buenos Aires flight.

As of July 2026, prices for Miami to Buenos Aires flights are approximately 42% cheaper when compared to flights at the same time last year.

Historically, on average around 29% of flights between Miami and Buenos Aires have experienced a delay on any given week. The average delay length over the past 12 months has been 159 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Aerolineas Argentinas has had the least delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.

As of July 2026, 8 flights take off from Miami and land in Buenos Aires each day. The most common flight departure time for this route is 11:00p.m., with 74% of daily flights taking off in the evening.

58 flights are operational weekly from Miami to Buenos Aires as of July 2026. The most popular departure day for this route is Fri, with 19% of flights per week taking off on this day.