Seattle / Tacoma (SEA) to Brussels (BRU) flight deal in economy from $712

Friday, August 21st, 2026

6 round-trip options

Returning
Thu, Aug 27, 20266 Day Trip
$758 USD
Returning
Sun, Aug 30, 20269 Day Trip
$818 USD
Returning
Mon, Aug 31, 202610 Day Trip
$764 USD
Returning
Wed, Sep 2, 202612 Day Trip
$758 USD
Returning
Thu, Sep 3, 202613 Day Trip
$758 USD
Returning
Fri, Sep 4, 202614 Day Trip
$758 USD