Cheap flights from Barcelona-El Prat Airport to Buenos Aires from $505

The cheapest month to fly to Buenos Aires from Barcelona-El Prat Airport is in May. Flight prices, which tend to average around $1,046, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from Barcelona-El Prat Airport during January instead. Flights to Buenos Aires in January, while not as cheap as those in May, still average around $1,134.

On average, the least expensive day to fly to Buenos Aires from Barcelona-El Prat Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,292. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Tuesday is $1,740.

Our most recent data shows that the best time of day to fly to Buenos Aires is in the morning. Flights from Barcelona-El Prat Airport to Buenos Aires during this time can be as low as $1,470. Try not to purchase tickets in the evening because they tend to be around $1,576. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Barcelona-El Prat to Buenos Aires Ministro Pistarini for the best Barcelona-El Prat - Buenos Aires flight prices

You are more likely to see cheaper flights to Buenos Aires from Barcelona-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,334 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Barcelona-El Prat Airport for as low as $1,220 on momondo.

There are 2 cabin classes available to choose from on Barcelona-El Prat 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 8% on your flight if you consider stops on a Barcelona-El Prat Airport to Buenos Aires flight.

As of March 2026, prices for Barcelona-El Prat Airport to Buenos Aires flights are approximately 25% more expensive when compared to flights at the same time last year.

Historically, on average around 16% of flights between Barcelona and Buenos Aires have experienced a delay on any given week. The average delay length over the past 12 months has been 305 minutes.

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

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

According to our data, LEVEL have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

Sao Paulo (GRU) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $1,136.

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 15h 15m.

Madrid (MAD) has the shortest average layover time for this route: 1h 13m.

4 flights are operational daily from Barcelona-El Prat Airport to Buenos Aires as of March 2026. The most popular departure time for this route is 1:00AM, with 56% of flights per day taking off in the morning.

As of March 2026, 33 flights take off from Barcelona-El Prat Airport and land in Buenos Aires each week. The most common flight departure day for this route is Tue, with 24% of weekly flights taking off on this day.