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

Friday, September 4th, 2026

4 round-trip options

Returning
Wed, Sep 9, 20265 Day Trip
$842 USD
Returning
Sun, Sep 13, 20269 Day Trip
$902 USD
Returning
Tue, Sep 15, 202611 Day Trip
$837 USD
Returning
Wed, Sep 16, 202612 Day Trip
$842 USD