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

Sunday, September 13th, 2026

4 round-trip options

Returning
Fri, Sep 18, 20265 Day Trip
$960 USD
Returning
Tue, Sep 22, 20269 Day Trip
$780 USD
Returning
Thu, Sep 24, 202611 Day Trip
$785 USD
Returning
Fri, Sep 25, 202612 Day Trip
$780 USD