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

Return flights

30 Jan - 17 Feb	United
21 Jan - 04 Feb	United
24 Jan - 04 Feb	United
25 Jan - 04 Feb	United
24 Jan - 07 Feb	United
30 Jan - 07 Feb	United
16 Jan - 31 Jan	United
13 Jan - 26 Jan	United
29 Jan - 08 Feb	United
30 Jan - 08 Feb	United
30 Jan - 10 Feb	United
29 Jan - 10 Feb	United
19 Jan - 31 Jan	United
26 Jan - 31 Jan	United
12 Jan - 26 Jan	United
08 Jan - 29 Jan	United
17 Jan - 30 Jan	United
17 Jan - 31 Jan	United
09 Jan - 31 Jan	United
11 Jan - 18 Jan	United

Also check the deals for one-way flights from Brussels 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 Brussels to San Jose in January from 548€

Return flights