Cheapest one-way flights from Miami to San Jose in December from $65

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

One-Way flights

13 Dec Volaris Costa Rica direct
05 Dec Volaris El Salvador direct
06 Dec Spirit Airlines
03 Dec Spirit Airlines
03 Dec Avianca direct
16 Dec Spirit Airlines
30 Dec Spirit Airlines
06 Dec Volaris Costa Rica direct
08 Dec Frontier Airlines
08 Dec Volaris El Salvador direct

Also check the deals for return 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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