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

Tuesday, August 25th, 2026

6 round-trip options

Returning
Mon, Aug 31, 20266 Day Trip
$749 USD
Returning
Thu, Sep 3, 20269 Day Trip
$746 USD
Returning
Fri, Sep 4, 202610 Day Trip
$746 USD
Returning
Sun, Sep 6, 202612 Day Trip
$806 USD
Returning
Mon, Sep 7, 202613 Day Trip
$749 USD
Returning
Tue, Sep 8, 202614 Day Trip
$746 USD