San Jose to Buenos Aires flights

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Airlines seen: Aeromexico, Avianca, Copa Airlines, LATAM Airlines, Sky Airline
Typical journey time: 10h 52m

Lowest observed

€276

Average observed

€425

Cheapest month

November 2026

Last checked

7 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €232

Lowest observed

18 Nov 2026

One way

Cheapest observed day · Last checked: 7 Sep 2026

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

The average across the fares we caught is €425. November 2026 is the cheapest month in our observations, at €276. 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 San Jose to Buenos Aires. Prices move often, so pick your dates to see the latest options.

Route distance: 5,645 km
Typical journey time: 10h 52m
Airlines seen: Aeromexico, Avianca, Copa Airlines, LATAM Airlines, Sky Airline
Seen on fares with a connection: Copa Airlines, LATAM Airlines, Avianca
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.

A clearer picture of your fare

Observed, not guaranteed

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

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The price is final on the provider's site, where your booking is completed.

How our prices work

Frequently asked

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

In our observations November 2026 is the cheapest month so far, at €276.

Are there direct flights from San Jose to Buenos Aires?

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

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

The average journey time across the 25 fares we observed is 13h 28m, 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