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

Monday, September 7th, 2026

4 round-trip options

Returning
Sat, Sep 12, 20265 Day Trip
$958 USD
Returning
Wed, Sep 16, 20269 Day Trip
$782 USD
Returning
Fri, Sep 18, 202611 Day Trip
$777 USD
Returning
Sat, Sep 19, 202612 Day Trip
$842 USD