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

Sunday, September 20th, 2026

4 round-trip options

Returning
Fri, Sep 25, 20265 Day Trip
$958 USD
Returning
Tue, Sep 29, 20269 Day Trip
$777 USD
Returning
Thu, Oct 1, 202611 Day Trip
$782 USD
Returning
Fri, Oct 2, 202612 Day Trip
$782 USD