Flights Barcelona – Buenos Aires from €496
Prices refreshed 2026-07-20 · one-way per adult, fee included · from live nightly searches
The Barcelona–Buenos Aires corridor is one of the routes we watch daily. Prices refresh every night from live searches; right now the cheapest fares start near €496 one-way, with a typical flight time of about 20 h 50 min. Every booking is issued automatically within minutes and your e-ticket arrives by email with a signed order link.
Typical prices by month
August 2026
from €496
September 2026
from €713
October 2026
from €903
Route facts
- Airlines
- Avianca
- Flight time
- 20 h 50 min
- Stops
- 1
Frequently asked questions
How long is the flight from Barcelona to Buenos Aires?
A typical Barcelona–Buenos Aires journey takes about 20 h 50 min. Exact times depend on the airline and the day — the live search shows them for your date.
How much does a Barcelona–Buenos Aires ticket cost?
Cached Barcelona–Buenos Aires prices start around €496 one-way per adult with our service fee already included. Live prices change daily — run a search for today’s exact fares.
Is the price on OneTapFly final?
Yes. On Barcelona–Buenos Aires the displayed price includes the airline fare and our per-passenger service fee. We re-check the fare right before payment, so what you review is what you pay.
How fast do I get the e-ticket?
Tickets for Barcelona–Buenos Aires are issued automatically after payment, usually within minutes. The e-ticket arrives by email with the airline booking reference (PNR).
Which airlines fly Barcelona–Buenos Aires?
Recent Barcelona–Buenos Aires searches returned fares from Avianca. Availability varies by date; the live search always shows the current options.