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

Sunday, June 7th, 2026

3 round-trip options

Returning
Sat, Jun 13, 20266 Day Trip
$1,234 USD
Returning
Sun, Jun 14, 20267 Day Trip
$1,247 USD
Returning
Fri, Jun 19, 202612 Day Trip
$1,174 USD