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

Monday, September 21st, 2026

4 round-trip options

Returning
Sat, Sep 26, 20265 Day Trip
$953 USD
Returning
Wed, Sep 30, 20269 Day Trip
$782 USD
Returning
Fri, Oct 2, 202611 Day Trip
$782 USD
Returning
Sat, Oct 3, 202612 Day Trip
$842 USD