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

Friday, September 11th, 2026

4 round-trip options

Returning
Wed, Sep 16, 20265 Day Trip
$844 USD
Returning
Sun, Sep 20, 20269 Day Trip
$905 USD
Returning
Tue, Sep 22, 202611 Day Trip
$841 USD
Returning
Wed, Sep 23, 202612 Day Trip
$846 USD