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

Tuesday, September 15th, 2026

4 round-trip options

Returning
Sun, Sep 20, 20265 Day Trip
$844 USD
Returning
Thu, Sep 24, 20269 Day Trip
$784 USD
Returning
Sat, Sep 26, 202611 Day Trip
$844 USD
Returning
Sun, Sep 27, 202612 Day Trip
$844 USD