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

Wednesday, September 9th, 2026

4 round-trip options

Returning
Mon, Sep 14, 20265 Day Trip
$789 USD
Returning
Fri, Sep 18, 20269 Day Trip
$785 USD
Returning
Sun, Sep 20, 202611 Day Trip
$845 USD
Returning
Mon, Sep 21, 202612 Day Trip
$789 USD