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

Saturday, September 19th, 2026

4 round-trip options

Returning
Thu, Sep 24, 20265 Day Trip
$958 USD
Returning
Mon, Sep 28, 20269 Day Trip
$787 USD
Returning
Wed, Sep 30, 202611 Day Trip
$786 USD
Returning
Thu, Oct 1, 202612 Day Trip
$786 USD