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

Return flights

06 Mar - 16 Mar	Air Canada
17 Mar - 31 Mar	Air Canada
10 Mar - 23 Mar	Air Canada
01 Mar - 18 Mar	Air Canada
24 Mar - 07 Apr	Air Canada
13 Mar - 23 Mar	Air Canada
08 Mar - 23 Mar	Air Canada
15 Mar - 31 Mar	Air Canada
20 Mar - 09 Apr	Air Canada
30 Mar - 09 Apr	Air Canada
04 Mar - 18 Mar	United
10 Mar - 20 Apr	United
15 Mar - 28 Mar	Air Canada
27 Mar - 07 Apr	Air Canada
10 Mar - 07 Apr	United
27 Mar - 13 Apr	Air Canada
03 Mar - 17 Mar	United
25 Mar - 01 Apr	United
01 Mar - 01 Apr	United
18 Mar - 06 Apr	United

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 538€

Return flights