Buenos Aires to San Jose flights

Find your dates. Discover your next journey.

Airlines seen: Aerolineas Argentinas, Arajet, Avianca, Copa Airlines, JetSmart, LATAM Airlines +2 more
Typical journey time: 12h 27m

Lowest observed

€292

Average observed

€324

Cheapest month

October 2026

Last checked

8 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €223

Lowest observed

8 Dec 2026

Arajet · 1 stop · One way

Cheapest observed day · Last checked: 26 Sep 2026

Departure

05:35

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Short answer

We have seen Aerolineas Argentinas fares from Buenos Aires to San Jose. The average across the fares we caught is €324. October 2026 is the cheapest month in our observations, at €292. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

Short answer

About this route

Explore the fares we observed from Buenos Aires to San Jose. Prices move often, so pick your dates to see the latest options.

Route distance: 5,645 km
Typical journey time: 12h 27m
Airlines seen: Aerolineas Argentinas, Arajet, Avianca, Copa Airlines, JetSmart, LATAM Airlines +2 more
Seen on fares with a connection: LATAM Airlines, Copa Airlines, Avianca, Arajet, JetSmart, Aerolineas Argentinas
Alternative airports: AEP

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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How our prices work

Frequently asked

When is the cheapest month to fly from Buenos Aires to San Jose?

In our observations October 2026 is the cheapest month so far, at €292.

Are there direct flights from Buenos Aires to San Jose?

Our data holds no non-stop flight from Buenos Aires to San Jose. The fares on this page include at least one stop.

Which airlines fly from Buenos Aires to San Jose?

These are the carriers we have seen on the route: Aerolineas Argentinas, Arajet, Avianca, Copa Airlines, JetSmart, LATAM Airlines +2 more.

How long does the flight from Buenos Aires to San Jose take?

The average journey time across the 62 fares we observed is 13h 35m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide