Cheapest return flights from San Jose to Buenos Aires in December from 453€

AirHint found the following cheapest return flights from San Jose (SJO) to Buenos Aires (EZE) in December 2026 (see full year).

Return flights

13 Dec - 27 Dec Avianca
13 Dec - 20 Dec Avianca
26 Dec - 10 Jan Avianca
25 Dec - 03 Jan Avianca
23 Dec - 03 Jan Avianca
22 Dec - 03 Jan Avianca
25 Dec - 01 Jan Avianca
22 Dec - 02 Jan Avianca
26 Dec - 02 Jan Avianca
28 Dec - 31 Dec Avianca

Also check the deals for one-way flights from San Jose to Buenos Aires in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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