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

Friday, September 18th, 2026

4 round-trip options

Returning
Wed, Sep 23, 20265 Day Trip
$844 USD
Returning
Sun, Sep 27, 20269 Day Trip
$904 USD
Returning
Tue, Sep 29, 202611 Day Trip
$840 USD
Returning
Wed, Sep 30, 202612 Day Trip
$844 USD