Cheap flights from Miami to Buenos Aires from £255

In general, October is the cheapest month to fly from Miami to Buenos Aires. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £567. If you don’t want to visit Buenos Aires in October, then you should wait until September to fly from Miami, when ticket prices are also cheap, with an average price of £568.

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 £652 when searching weeks before you fly. 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 £600 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.

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

As of April 2026, prices for Miami to Buenos Aires flights are approximately 1% cheaper when compared to flights at the same time last year.

Historically, on average around 28% 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 167 minutes.

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

Thursday 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 have had the fewest delays on this route over the last 12 months, with about 21% of their flights experiencing any sort of delay.

As of April 2026, 9 flights take off from Miami and land in Buenos Aires each day. The most common flight departure time for this route is 09:00, with 54% of daily flights taking off in the evening.

As of April 2026, 67 flights take off from Miami and land in Buenos Aires each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.