Cheapest return flights from Brussels to San Jose in September from $646

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

Return flights

06 Sep - 18 Sep Air Canada
16 Sep - 23 Sep Air Canada
16 Sep - 30 Sep Lufthansa
10 Sep - 20 Sep United
01 Sep - 15 Sep United
01 Sep - 24 Sep United
01 Sep - 21 Sep United
04 Sep - 21 Sep United
03 Sep - 20 Sep United
01 Sep - 11 Sep Air Canada
25 Sep - 16 Oct United

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

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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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