Seattle / Tacoma (SEA) to Brussels (BRU) flight deal in economy from $713

Tuesday, September 8th, 2026

4 round-trip options

Returning
Sun, Sep 13, 20265 Day Trip
$842 USD
Returning
Thu, Sep 17, 20269 Day Trip
$786 USD
Returning
Sat, Sep 19, 202611 Day Trip
$846 USD
Returning
Sun, Sep 20, 202612 Day Trip
$846 USD