AirHint found the following cheapest return flights from Brussels (BRU) to San Jose (SJO) in October 2025 (see full year).

Return flights

28 Oct - 05 Nov	Air Canada
07 Oct - 15 Oct	SWISS
08 Oct - 15 Oct	SWISS
29 Oct - 05 Nov	SWISS
29 Oct - 12 Nov	SWISS
07 Oct - 14 Oct	SWISS
28 Oct - 04 Nov	SWISS
25 Oct - 01 Nov	Lufthansa
08 Oct - 20 Oct	United
01 Oct - 08 Oct	SWISS
14 Oct - 21 Oct	United
21 Oct - 29 Oct	United
22 Oct - 29 Oct	United
16 Oct - 07 Nov	United
20 Oct - 28 Oct	United
21 Oct - 28 Oct	United
31 Oct - 12 Nov	United
31 Oct - 14 Nov	United
28 Oct - 08 Nov	United
27 Oct - 03 Nov	United

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

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 October from 491€

Return flights