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

Thursday, September 10th, 2026

4 round-trip options

Returning
Tue, Sep 15, 20265 Day Trip
$833 USD
Returning
Sat, Sep 19, 20269 Day Trip
$906 USD
Returning
Mon, Sep 21, 202611 Day Trip
$846 USD
Returning
Tue, Sep 22, 202612 Day Trip
$841 USD