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

Return flights

06 Mar - 25 Mar	Air Canada
01 Mar - 16 Mar	Air Canada
02 Mar - 18 Mar	United
02 Mar - 02 Apr	United
10 Mar - 17 Mar	United
02 Mar - 08 Mar	United
05 Mar - 24 Mar	Ryanair
03 Mar - 12 Mar	Brussels Airlines
11 Mar - 25 Mar	Vueling Airlines
05 Mar - 25 Mar	United
10 Mar - 30 Mar	United
02 Mar - 19 Apr	United
18 Mar - 06 Apr	United
25 Mar - 01 Apr	United
20 Mar - 08 Apr	United
13 Mar - 01 Apr	United
31 Mar - 14 Apr	Air Canada
30 Mar - 07 Apr	Air Canada
22 Mar - 08 Apr	Ryanair
27 Mar - 07 Apr	Air Canada

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 $634

Return flights