Cheapest return flights from Brussels to San Jose in December from $766

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

Return flights

24 Dec - 31 Jan United
24 Dec - 12 Jan United
24 Dec - 14 Jan United
25 Dec - 17 Jan United
12 Dec - 09 Jan United
24 Dec - 11 Jan United
08 Dec - 24 Dec SWISS
09 Dec - 16 Dec Lufthansa
25 Dec - 16 Jan United
09 Dec - 24 Dec United
24 Dec - 08 Jan United
13 Dec - 24 Dec United
29 Dec - 13 Jan United
15 Dec - 23 Dec KLM
24 Dec - 09 Jan United
08 Dec - 30 Dec United
06 Dec - 30 Dec United
23 Dec - 28 Dec KLM
07 Dec - 19 Dec United
18 Dec - 30 Dec United

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

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