AirHint found the following cheapest return flights from San Francisco (SFO) to Brussels (BRU) in December 2026 (see full year).
Return flights
| 09 Dec - 16 Dec | Delta | ||
| 09 Dec - 30 Dec | TAP | ||
| 22 Dec - 05 Jan | Air Canada | ||
| 22 Dec - 06 Jan | Air Canada | ||
| 22 Dec - 04 Jan | Air Canada |
Also check the deals for one-way flights from San Francisco to Brussels in December.
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