Cheapest return flights from Miami to San Jose in December from $248

AirHint found the following cheapest return flights from Miami (MIA) to San Jose (SJO) in December 2025 (see full year).

Return flights

05 Dec - 08 Dec Avianca
01 Dec - 06 Dec Avianca
12 Dec - 26 Dec Volaris El Salvador direct
13 Dec - 21 Dec Copa
05 Dec - 08 Dec American Airlines direct
01 Dec - 06 Dec Volaris El Salvador direct
08 Dec - 11 Jan Avianca
15 Dec - 26 Dec Copa
08 Dec - 13 Dec Viva
31 Dec - 04 Jan Avianca
01 Dec - 13 Dec Viva
08 Dec - 20 Dec Viva
27 Dec - 04 Jan Copa
31 Dec - 04 Jan American Airlines direct

Also check the deals for one-way flights from Miami to San Jose 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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