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

Return flights

25 Mar - 01 Apr	United
03 Mar - 11 Mar	United
02 Mar - 19 Mar	United
02 Mar - 23 Mar	United
12 Mar - 19 Mar	United
09 Mar - 31 Mar	United
09 Mar - 25 Mar	United
15 Mar - 29 Mar	Air Canada
09 Mar - 23 Mar	United
06 Mar - 19 Mar	United
03 Mar - 12 Mar	United
21 Mar - 06 Apr	United
26 Mar - 12 Apr	United
29 Mar - 13 Apr	Ryanair
21 Mar - 05 Apr	Ryanair
29 Mar - 11 Apr	Ryanair
28 Mar - 11 Apr	Ryanair

Also check the deals for one-way flights from Brussels to San Jose in March.

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 March from 586€

Return flights