Cheap flights from Buenos Aires to Barcelona from $645

The cheapest month to fly to Barcelona-El Prat Airport from Buenos Aires is in November. Flight prices, which tend to average around $1,074, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from Buenos Aires during February instead. Flights to Barcelona-El Prat Airport in February, while not as cheap as those in November, still average around $1,157.

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $1,202. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,447. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

Flying to Barcelona-El Prat Airport from Buenos Aires at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,176 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,736 on average. Flights to Barcelona-El Prat Airport from Buenos Aires in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Buenos Aires when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $1,428 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Buenos Aires for as low as $1,254 on momondo.

There are 2 cabin classes available to choose from on Buenos Aires to Barcelona-El Prat 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 12% on your flight if you consider stops on a Buenos Aires to Barcelona-El Prat Airport flight.

As of March 2026, prices for Buenos Aires to Barcelona-El Prat Airport flights are approximately 8% more expensive when compared to flights at the same time last year.

Avianca, LEVEL, and TAP AIR PORTUGAL are the most popular carriers operating from Buenos Aires to Barcelona-El Prat

Iberia, LEVEL and LATAM Airlines are the top three most popular airlines that fly to Barcelona-El Prat Airport from Buenos Aires according to our data. Iberia is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 9 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between Buenos Aires and Barcelona have experienced a delay on any given week. The average delay length over the past 12 months has been 290 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening 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. Thursday 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 12% of their flights experiencing any sort of delay.

Sao Paulo (GRU) was the most common stop: 52% of momondo users choosing 1-stop flights on this route connected there.

Flights via Madrid (MAD) offer the lowest average round-trip price of $1,112.

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 15h 10m.

Madrid (MAD) has the shortest average layover time for this route: 2h 15m.

As of March 2026, 1 flights take off from Buenos Aires and land in Barcelona-El Prat Airport each day. The most common flight departure time for this route is 1:00PM, with 54% of daily flights taking off in the afternoon.

The number of flights available between Buenos Aires and Barcelona-El Prat Airport is 8 per week as of March 2026. The most frequent departure day is Thu, with 50% of weekly flights leaving on this day.