AirHint found the following cheapest return flights from Miami (MIA) to San Jose (SJO) in January 2026 (see full year).

Return flights

28 Jan - 11 Feb	Copa
21 Jan - 04 Feb	Copa
20 Jan - 04 Feb	Copa
29 Jan - 01 Feb	United
29 Jan - 02 Feb	United
22 Jan - 31 Jan	Avianca	direct
28 Jan - 11 Feb	Avianca	direct
21 Jan - 06 Feb	Avianca	direct
16 Jan - 03 Feb	Avianca	direct
21 Jan - 04 Feb	Avianca	direct
22 Jan - 04 Feb	Avianca
02 Jan - 19 Jan	Avianca
02 Jan - 20 Jan	Avianca
12 Jan - 18 Jan	Avianca
17 Jan - 21 Jan	Copa
03 Jan - 19 Jan	Avianca	direct

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

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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Cheapest return flights from Miami to San Jose in January from 188€

Return flights