AirHint found the following cheapest one-way flights from Seattle (SEA) to Brussels (BRU) in November 2025 (see full year).
One-Way flights
| 15 Nov | Hawaiian Airlines | ||
| 10 Nov | Hawaiian Airlines | ||
| 07 Nov | Alaska Airlines | ||
| 20 Nov | Alaska Airlines |
Also check the deals for return flights from Seattle to Brussels in November.
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