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

Sunday, June 21st, 2026

3 round-trip options

Returning
Sat, Jun 27, 20266 Day Trip
$1,258 USD
Returning
Sun, Jun 28, 20267 Day Trip
$1,247 USD
Returning
Fri, Jul 3, 202612 Day Trip
$1,177 USD